uTools-Manuals/docs/java/javax/swing/JTextField.html

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     javax.swing 
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<h2 class="title" title="Class JTextField">Class JTextField</h2>
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         All Implemented Interfaces: 
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<span><a href="../../java/awt/image/ImageObserver.html" title="java.awt.image中的接口">ImageObserver</a> ， <a href="../../java/awt/MenuContainer.html" title="java.awt中的接口">MenuContainer</a> ， <a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> ， <a href="../../javax/accessibility/Accessible.html" title="javax.accessibility中的接口">Accessible</a> ， <a href="../../javax/swing/Scrollable.html" title="javax.swing中的接口">Scrollable</a> ， <a href="../../javax/swing/SwingConstants.html" title="javax.swing中的接口">SwingConstants</a></span>
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<dl>
<dt>
        已知直接子类：
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<dd>
<span><a href="../../javax/swing/tree/DefaultTreeCellEditor.DefaultTextField.html" title="javax.swing.tree中的类">DefaultTreeCellEditor.DefaultTextField</a> ， <a href="../../javax/swing/JFormattedTextField.html" title="javax.swing中的类">JFormattedTextField</a> ， <a href="../../javax/swing/JPasswordField.html" title="javax.swing中的类">JPasswordField</a></span>
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<hr/> <br/> <pre>public class <span class="typeNameLabel">JTextField</span>
extends <a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a>
implements <a href="../../javax/swing/SwingConstants.html" title="interface in javax.swing">SwingConstants</a></pre>
<div class="block">
<span><code>JTextField</code>是一个轻量级组件，允许编辑单行文本。</span>
<span>有关使用文本字段的信息和示例，请参阅<em>Java Tutorial</em>中<em>的</em> <a href="http://docs.oracle.com/javase/tutorial/uiswing/components/textfield.html">How to Use Text Fields</a> <em>。</em></span>
<p> <span><code>JTextField</code>旨在与<code>java.awt.TextField</code>进行源兼容，这样做是合理的。</span> <span>该组件具有java.awt.TextField课程中找不到的<code>java.awt.TextField</code> 。</span> <span>应咨询超类以获得更多功能。</span> </p>
<p> <span><code>JTextField</code>有一个方法来建立用作被触发的动作事件的命令字符串的字符串。</span> <span><code>java.awt.TextField</code>使用字段的文本作为<code>ActionEvent</code>的命令字符串。</span> <span><code>JTextField</code>将使用<code>setActionCommand</code>方法的命令字符串设置，如果不是<code>null</code> ，否则将使用字段的文本作为与<code>java.awt.TextField</code> 。</span> </p>
<p> <span>不直接提供方法<code>setEchoChar</code>和<code>getEchoChar</code>以避免可插拔外观的新实现无意中暴露密码字符。</span> <span>为了提供类似密码的服务，一个独立的类别<code>JPasswordField</code>扩展了<code>JTextField</code> ，为这项服务提供独立可插拔的外观。</span> </p>
<p> <span><code>java.awt.TextField</code>可以通过为TextEvent添加一个<code>TextListener</code>来<code>TextEvent</code>变化。</span> <span>在<code>JTextComponent</code>基组分，更改从模型经由广播<code>DocumentEvent</code>至<code>DocumentListeners</code> 。</span> <span><code>DocumentEvent</code>给出了更改的位置和更改的种类，如果需要的话。</span> <span>代码片段可能如下所示：</span> </p>
<pre>  <span><code>   DocumentListener myListener = ??;   JTextField myArea = ??;   myArea.getDocument().addDocumentListener(myListener); </code></span> </pre>
<p> <span>JTextField的<code>JTextField</code>可以设为左对齐，前导对齐，居中，右对齐或尾随对齐。</span> <span>如果字段文本的所需大小小于分配给它的大小，则右/尾对齐是有用的。</span> <span>这是由<code>setHorizontalAlignment</code>和<code>getHorizontalAlignment</code>方法确定的。</span> <span>默认是领先的。</span> </p>
<p> <span>文本字段消耗VK_ENTER事件的方式取决于文本字段是否有任何动作侦听器。</span> <span>如果是这样，那么VK_ENTER会导致侦听器获取一个ActionEvent，并且VK_ENTER事件被消耗。</span> <span>这与AWT文本字段如何处理VK_ENTER事件兼容。</span> <span>如果文本字段没有动作侦听器，则从v 1.3开始，VK_ENTER事件不被消耗。</span> <span>而是处理祖先组件的绑定，这使JFC / Swing的默认按钮功能成为可能。</span> </p>
<p> <span>通过扩展模型和更改提供的默认模型，可以轻松创建自定义字段。</span> <span>例如，以下代码段将创建一个仅保留大写字符的字段。</span> <span>即使文本从剪贴板粘贴，也可以通过程序化的更改进行更改，它将会工作。</span> </p>
<pre>  <span><code>  public class UpperCaseField extends JTextField {     public UpperCaseField(int cols) {   super(cols);   }     protected Document createDefaultModel() {   return new UpperCaseDocument();   }     static class UpperCaseDocument extends PlainDocument {     public void insertString(int offs, String str, AttributeSet a)   throws BadLocationException {     if (str == null) {   return;   }   char[] upper = str.toCharArray();   for (int i = 0; i &lt; upper.length; i++) {   upper[i] = Character.toUpperCase(upper[i]);   }   super.insertString(offs, new String(upper), a);   }   }  } </code></span> </pre>
<p> <span><strong>警告：</strong> Swing不是线程安全的。</span> <span>有关更多信息，请参阅<a href="package-summary.html#threading">Swing's Threading Policy</a> 。</span> </p>
<p> <span><strong>警告：</strong>此类的序列化对象与将来的Swing版本不兼容。</span> <span>当前的序列化支持适用于运行相同版本的Swing的应用程序之间的短期存储或RMI。</span> <span>从1.4开始，对所有JavaBeans的长期存储的支持已经添加到<code>java.beans</code>包中。</span> <span>请参阅<a href="../../java/beans/XMLEncoder.html" title="java.beans中的类"><code>XMLEncoder</code></a> 。</span> </p>
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<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/JTextField.html#setActionCommand-java.lang.String-"><code>setActionCommand(java.lang.String)</code></a> ， <a href="../../javax/swing/JPasswordField.html" title="javax.swing中的类"><code>JPasswordField</code></a> ， <a href="../../javax/swing/JTextField.html#addActionListener-java.awt.event.ActionListener-"><code>addActionListener(java.awt.event.ActionListener)</code></a></span>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>protected class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.AccessibleJTextField.html" title="class in javax.swing">JTextField.AccessibleJTextField</a></span></code>
<div class="block">
              这个类实现了 
             <code>JTextField</code>类的可访问性支持。 
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<span>Fields</span>
<span class="tabEnd"> </span>
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<tbody>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#notifyAction">notifyAction</a></span></code>
<div class="block">
              要发送通知的操作的名称，该字段的内容已被接受。 
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<span>构造方法</span>
<span class="tabEnd"> </span>
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<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#JTextField--">JTextField</a></span>()</code>
<div class="block">
              构造新的 
             <code>TextField</code> 。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#JTextField-javax.swing.text.Document-java.lang.String-int-">JTextField</a></span>(<a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> doc, <a href="../../java/lang/String.html" title="class in java.lang">String</a> text, int columns)</code>
<div class="block">
              构造一个新的 
             <code>JTextField</code> ，它使用给定的文本存储模型和给定的列数。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#JTextField-int-">JTextField</a></span>(int columns)</code>
<div class="block">
              构造一个新的空的 
             <code>TextField</code>与指定的列数。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#JTextField-java.lang.String-">JTextField</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)</code>
<div class="block">
              构造一个新的 
             <code>TextField</code> ，用指定的文本初始化。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#JTextField-java.lang.String-int-">JTextField</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text, int columns)</code>
<div class="block">
              构造一个新的 
             <code>TextField</code> ，用指定的文本和列初始化。 
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</tr>
</tbody>
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<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t4"><span><a href="javascript:show(8);">具体的方法</a></span><span class="tabEnd"> </span></span>
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<tbody>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor" id="i0">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#actionPropertyChanged-javax.swing.Action-java.lang.String-">actionPropertyChanged</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> action, <a href="../../java/lang/String.html" title="class in java.lang">String</a> propertyName)</code>
<div class="block">
              响应相关操作中的属性更改更新文本框的状态。 
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</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#addActionListener-java.awt.event.ActionListener-">addActionListener</a></span>(<a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a> l)</code>
<div class="block">
              添加指定的动作侦听器以从此文本字段接收动作事件。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#configurePropertiesFromAction-javax.swing.Action-">configurePropertiesFromAction</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</code>
<div class="block">
              设置此文本字段上的属性以匹配指定的Action中的 
             <code>Action</code> 。 
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</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>protected <a href="../../java/beans/PropertyChangeListener.html" title="interface in java.beans">PropertyChangeListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#createActionPropertyChangeListener-javax.swing.Action-">createActionPropertyChangeListener</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</code>
<div class="block">
              创建并返回一个 
             <code>PropertyChangeListener</code> ，负责监听来自指定的变化 
             <code>Action</code>和更新相应的属性。 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>protected <a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#createDefaultModel--">createDefaultModel</a></span>()</code>
<div class="block">
              如果没有明确给出，则创建要在构建中使用的模型的默认实现。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#fireActionPerformed--">fireActionPerformed</a></span>()</code>
<div class="block">
              通知所有在此事件类型上通知有兴趣的听众。 
            </div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code><a href="../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getAccessibleContext--">getAccessibleContext</a></span>()</code>
<div class="block">
              获取 
             <code>AccessibleContext</code>与此相关 
             <code>JTextField</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code><a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getAction--">getAction</a></span>()</code>
<div class="block">
              返回当前设置的 
             <code>Action</code>为 
             <code>ActionEvent</code>源，或 
             <code>null</code>如果没有设置 
             <code>Action</code> 。 
            </div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code><a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getActionListeners--">getActionListeners</a></span>()</code>
<div class="block">
              返回使用addActionListener（）添加到此JTextField的所有 
             <code>ActionListener</code>的数组。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code><a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getActions--">getActions</a></span>()</code>
<div class="block">
              获取编辑器命令列表。 
            </div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getColumns--">getColumns</a></span>()</code>
<div class="block">
              返回此 
             <code>TextField</code>中的列数。 
            </div> </td>
</tr>
<tr class="rowColor" id="i11">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getColumnWidth--">getColumnWidth</a></span>()</code>
<div class="block">
              返回列宽。 
            </div> </td>
</tr>
<tr class="altColor" id="i12">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getHorizontalAlignment--">getHorizontalAlignment</a></span>()</code>
<div class="block">
              返回文本的水平对齐。 
            </div> </td>
</tr>
<tr class="rowColor" id="i13">
<td class="colFirst"><code><a href="../../javax/swing/BoundedRangeModel.html" title="interface in javax.swing">BoundedRangeModel</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getHorizontalVisibility--">getHorizontalVisibility</a></span>()</code>
<div class="block">
              获取文本字段的可见性。 
            </div> </td>
</tr>
<tr class="altColor" id="i14">
<td class="colFirst"><code><a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getPreferredSize--">getPreferredSize</a></span>()</code>
<div class="block">
              返回首选大小 
             <code>Dimensions</code>为此需要 
             <code>TextField</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i15">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getScrollOffset--">getScrollOffset</a></span>()</code>
<div class="block">
              获取滚动偏移量，以像素为单位。 
            </div> </td>
</tr>
<tr class="altColor" id="i16">
<td class="colFirst"><code><a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#getUIClassID--">getUIClassID</a></span>()</code>
<div class="block">
              获取UI的类ID。 
            </div> </td>
</tr>
<tr class="rowColor" id="i17">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#isValidateRoot--">isValidateRoot</a></span>()</code>
<div class="block">
              呼叫 
             <code>revalidate</code>是来自文本字段本身内将通过验证文本字段，除非文本字段包含一个内处理 
             <code>JViewport</code> ，在这种情况下，这个返回false。 
            </div> </td>
</tr>
<tr class="altColor" id="i18">
<td class="colFirst"><code>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#paramString--">paramString</a></span>()</code>
<div class="block">
              返回此 
             <code>JTextField</code>的字符串表示 
             <code>JTextField</code> 。 
            </div> </td>
</tr>
<tr class="rowColor" id="i19">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#postActionEvent--">postActionEvent</a></span>()</code>
<div class="block">
              通过将这些事件发送到任何已注册的 
             <code>ActionListener</code>对象来处理在此文本字段上发生的操作事件。 
            </div> </td>
</tr>
<tr class="altColor" id="i20">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#removeActionListener-java.awt.event.ActionListener-">removeActionListener</a></span>(<a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a> l)</code>
<div class="block">
              删除指定的动作监听器，使其不再从此文本字段接收动作事件。 
            </div> </td>
</tr>
<tr class="rowColor" id="i21">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#scrollRectToVisible-java.awt.Rectangle-">scrollRectToVisible</a></span>(<a href="../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> r)</code>
<div class="block">
              向左或向右滚动字段。 
            </div> </td>
</tr>
<tr class="altColor" id="i22">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setAction-javax.swing.Action-">setAction</a></span>(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</code>
<div class="block">
              设置 
             <code>Action</code>为 
             <code>ActionEvent</code>源。 
            </div> </td>
</tr>
<tr class="rowColor" id="i23">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setActionCommand-java.lang.String-">setActionCommand</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> command)</code>
<div class="block">
              设置用于操作事件的命令字符串。 
            </div> </td>
</tr>
<tr class="altColor" id="i24">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setColumns-int-">setColumns</a></span>(int columns)</code>
<div class="block">
              设置此 
             <code>TextField</code>中的列数，然后使布局无效。 
            </div> </td>
</tr>
<tr class="rowColor" id="i25">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setDocument-javax.swing.text.Document-">setDocument</a></span>(<a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> doc)</code>
<div class="block">
              将编辑器与文本文档相关联。 
            </div> </td>
</tr>
<tr class="altColor" id="i26">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setFont-java.awt.Font-">setFont</a></span>(<a href="../../java/awt/Font.html" title="class in java.awt">Font</a> f)</code>
<div class="block">
              设置当前字体。 
            </div> </td>
</tr>
<tr class="rowColor" id="i27">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setHorizontalAlignment-int-">setHorizontalAlignment</a></span>(int alignment)</code>
<div class="block">
              设置文本的水平对齐方式。 
            </div> </td>
</tr>
<tr class="altColor" id="i28">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JTextField.html#setScrollOffset-int-">setScrollOffset</a></span>(int scrollOffset)</code>
<div class="block">
              设置滚动偏移量，以像素为单位。 
            </div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.swing.text.JTextComponent">
<!-- --> </a> <h3>Methods inherited from class javax.swing.text.<a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a></h3> <code><a href="../../javax/swing/text/JTextComponent.html#addCaretListener-javax.swing.event.CaretListener-">addCaretListener</a>, <a href="../../javax/swing/text/JTextComponent.html#addInputMethodListener-java.awt.event.InputMethodListener-">addInputMethodListener</a>, <a href="../../javax/swing/text/JTextComponent.html#addKeymap-java.lang.String-javax.swing.text.Keymap-">addKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#copy--">copy</a>, <a href="../../javax/swing/text/JTextComponent.html#cut--">cut</a>, <a href="../../javax/swing/text/JTextComponent.html#fireCaretUpdate-javax.swing.event.CaretEvent-">fireCaretUpdate</a>, <a href="../../javax/swing/text/JTextComponent.html#getCaret--">getCaret</a>, <a href="../../javax/swing/text/JTextComponent.html#getCaretColor--">getCaretColor</a>, <a href="../../javax/swing/text/JTextComponent.html#getCaretListeners--">getCaretListeners</a>, <a href="../../javax/swing/text/JTextComponent.html#getCaretPosition--">getCaretPosition</a>, <a href="../../javax/swing/text/JTextComponent.html#getDisabledTextColor--">getDisabledTextColor</a>, <a href="../../javax/swing/text/JTextComponent.html#getDocument--">getDocument</a>, <a href="../../javax/swing/text/JTextComponent.html#getDragEnabled--">getDragEnabled</a>, <a href="../../javax/swing/text/JTextComponent.html#getDropLocation--">getDropLocation</a>, <a href="../../javax/swing/text/JTextComponent.html#getDropMode--">getDropMode</a>, <a href="../../javax/swing/text/JTextComponent.html#getFocusAccelerator--">getFocusAccelerator</a>, <a href="../../javax/swing/text/JTextComponent.html#getHighlighter--">getHighlighter</a>, <a href="../../javax/swing/text/JTextComponent.html#getInputMethodRequests--">getInputMethodRequests</a>, <a href="../../javax/swing/text/JTextComponent.html#getKeymap--">getKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#getKeymap-java.lang.String-">getKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#getMargin--">getMargin</a>, <a href="../../javax/swing/text/JTextComponent.html#getNavigationFilter--">getNavigationFilter</a>, <a href="../../javax/swing/text/JTextComponent.html#getPreferredScrollableViewportSize--">getPreferredScrollableViewportSize</a>, <a href="../../javax/swing/text/JTextComponent.html#getPrintable-java.text.MessageFormat-java.text.MessageFormat-">getPrintable</a>, <a href="../../javax/swing/text/JTextComponent.html#getScrollableBlockIncrement-java.awt.Rectangle-int-int-">getScrollableBlockIncrement</a>, <a href="../../javax/swing/text/JTextComponent.html#getScrollableTracksViewportHeight--">getScrollableTracksViewportHeight</a>, <a href="../../javax/swing/text/JTextComponent.html#getScrollableTracksViewportWidth--">getScrollableTracksViewportWidth</a>, <a href="../../javax/swing/text/JTextComponent.html#getScrollableUnitIncrement-java.awt.Rectangle-int-int-">getScrollableUnitIncrement</a>, <a href="../../javax/swing/text/JTextComponent.html#getSelectedText--">getSelectedText</a>, <a href="../../javax/swing/text/JTextComponent.html#getSelectedTextColor--">getSelectedTextColor</a>, <a href="../../javax/swing/text/JTextComponent.html#getSelectionColor--">getSelectionColor</a>, <a href="../../javax/swing/text/JTextComponent.html#getSelectionEnd--">getSelectionEnd</a>, <a href="../../javax/swing/text/JTextComponent.html#getSelectionStart--">getSelectionStart</a>, <a href="../../javax/swing/text/JTextComponent.html#getText--">getText</a>, <a href="../../javax/swing/text/JTextComponent.html#getText-int-int-">getText</a>, <a href="../../javax/swing/text/JTextComponent.html#getToolTipText-java.awt.event.MouseEvent-">getToolTipText</a>, <a href="../../javax/swing/text/JTextComponent.html#getUI--">getUI</a>, <a href="../../javax/swing/text/JTextComponent.html#isEditable--">isEditable</a>, <a href="../../javax/swing/text/JTextComponent.html#loadKeymap-javax.swing.text.Keymap-javax.swing.text.JTextComponent.KeyBinding:A-javax.swing.Action:A-">loadKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#modelToView-int-">modelToView</a>, <a href="../../javax/swing/text/JTextComponent.html#moveCaretPosition-int-">moveCaretPosition</a>, <a href="../../javax/swing/text/JTextComponent.html#paste--">paste</a>, <a href="../../javax/swing/text/JTextComponent.html#print--">print</a>, <a href="../../javax/swing/text/JTextComponent.html#print-java.text.MessageFormat-java.text.MessageFormat-">print</a>, <a href="../../javax/swing/text/JTextComponent.html#print-java.text.MessageFormat-java.text.MessageFormat-boolean-javax.print.PrintService-javax.print.attribute.PrintRequestAttributeSet-boolean-">print</a>, <a href="../../javax/swing/text/JTextComponent.html#processInputMethodEvent-java.awt.event.InputMethodEvent-">processInputMethodEvent</a>, <a href="../../javax/swing/text/JTextComponent.html#read-java.io.Reader-java.lang.Object-">read</a>, <a href="../../javax/swing/text/JTextComponent.html#removeCaretListener-javax.swing.event.CaretListener-">removeCaretListener</a>, <a href="../../javax/swing/text/JTextComponent.html#removeKeymap-java.lang.String-">removeKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#removeNotify--">removeNotify</a>, <a href="../../javax/swing/text/JTextComponent.html#replaceSelection-java.lang.String-">replaceSelection</a>, <a href="../../javax/swing/text/JTextComponent.html#restoreComposedText--">restoreComposedText</a>, <a href="../../javax/swing/text/JTextComponent.html#saveComposedText-int-">saveComposedText</a>, <a href="../../javax/swing/text/JTextComponent.html#select-int-int-">select</a>, <a href="../../javax/swing/text/JTextComponent.html#selectAll--">selectAll</a>, <a href="../../javax/swing/text/JTextComponent.html#setCaret-javax.swing.text.Caret-">setCaret</a>, <a href="../../javax/swing/text/JTextComponent.html#setCaretColor-java.awt.Color-">setCaretColor</a>, <a href="../../javax/swing/text/JTextComponent.html#setCaretPosition-int-">setCaretPosition</a>, <a href="../../javax/swing/text/JTextComponent.html#setComponentOrientation-java.awt.ComponentOrientation-">setComponentOrientation</a>, <a href="../../javax/swing/text/JTextComponent.html#setDisabledTextColor-java.awt.Color-">setDisabledTextColor</a>, <a href="../../javax/swing/text/JTextComponent.html#setDragEnabled-boolean-">setDragEnabled</a>, <a href="../../javax/swing/text/JTextComponent.html#setDropMode-javax.swing.DropMode-">setDropMode</a>, <a href="../../javax/swing/text/JTextComponent.html#setEditable-boolean-">setEditable</a>, <a href="../../javax/swing/text/JTextComponent.html#setFocusAccelerator-char-">setFocusAccelerator</a>, <a href="../../javax/swing/text/JTextComponent.html#setHighlighter-javax.swing.text.Highlighter-">setHighlighter</a>, <a href="../../javax/swing/text/JTextComponent.html#setKeymap-javax.swing.text.Keymap-">setKeymap</a>, <a href="../../javax/swing/text/JTextComponent.html#setMargin-java.awt.Insets-">setMargin</a>, <a href="../../javax/swing/text/JTextComponent.html#setNavigationFilter-javax.swing.text.NavigationFilter-">setNavigationFilter</a>, <a href="../../javax/swing/text/JTextComponent.html#setSelectedTextColor-java.awt.Color-">setSelectedTextColor</a>, <a href="../../javax/swing/text/JTextComponent.html#setSelectionColor-java.awt.Color-">setSelectionColor</a>, <a href="../../javax/swing/text/JTextComponent.html#setSelectionEnd-int-">setSelectionEnd</a>, <a href="../../javax/swing/text/JTextComponent.html#setSelectionStart-int-">setSelectionStart</a>, <a href="../../javax/swing/text/JTextComponent.html#setText-java.lang.String-">setText</a>, <a href="../../javax/swing/text/JTextComponent.html#setUI-javax.swing.plaf.TextUI-">setUI</a>, <a href="../../javax/swing/text/JTextComponent.html#updateUI--">updateUI</a>, <a href="../../javax/swing/text/JTextComponent.html#viewToModel-java.awt.Point-">viewToModel</a>, <a href="../../javax/swing/text/JTextComponent.html#write-java.io.Writer-">write</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.javax.swing.JComponent">
<!-- --> </a> <h3>Methods inherited from class javax.swing.<a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></h3> <code><a href="../../javax/swing/JComponent.html#addAncestorListener-javax.swing.event.AncestorListener-">addAncestorListener</a>, <a href="../../javax/swing/JComponent.html#addNotify--">addNotify</a>, <a href="../../javax/swing/JComponent.html#addVetoableChangeListener-java.beans.VetoableChangeListener-">addVetoableChangeListener</a>, <a href="../../javax/swing/JComponent.html#computeVisibleRect-java.awt.Rectangle-">computeVisibleRect</a>, <a href="../../javax/swing/JComponent.html#contains-int-int-">contains</a>, <a href="../../javax/swing/JComponent.html#createToolTip--">createToolTip</a>, <a href="../../javax/swing/JComponent.html#disable--">disable</a>, <a href="../../javax/swing/JComponent.html#enable--">enable</a>, <a href="../../javax/swing/JComponent.html#firePropertyChange-java.lang.String-boolean-boolean-">firePropertyChange</a>, <a href="../../javax/swing/JComponent.html#firePropertyChange-java.lang.String-char-char-">firePropertyChange</a>, <a href="../../javax/swing/JComponent.html#firePropertyChange-java.lang.String-int-int-">firePropertyChange</a>, <a href="../../javax/swing/JComponent.html#fireVetoableChange-java.lang.String-java.lang.Object-java.lang.Object-">fireVetoableChange</a>, <a href="../../javax/swing/JComponent.html#getActionForKeyStroke-javax.swing.KeyStroke-">getActionForKeyStroke</a>, <a href="../../javax/swing/JComponent.html#getActionMap--">getActionMap</a>, <a href="../../javax/swing/JComponent.html#getAlignmentX--">getAlignmentX</a>, <a href="../../javax/swing/JComponent.html#getAlignmentY--">getAlignmentY</a>, <a href="../../javax/swing/JComponent.html#getAncestorListeners--">getAncestorListeners</a>, <a href="../../javax/swing/JComponent.html#getAutoscrolls--">getAutoscrolls</a>, <a href="../../javax/swing/JComponent.html#getBaseline-int-int-">getBaseline</a>, <a href="../../javax/swing/JComponent.html#getBaselineResizeBehavior--">getBaselineResizeBehavior</a>, <a href="../../javax/swing/JComponent.html#getBorder--">getBorder</a>, <a href="../../javax/swing/JComponent.html#getBounds-java.awt.Rectangle-">getBounds</a>, <a href="../../javax/swing/JComponent.html#getClientProperty-java.lang.Object-">getClientProperty</a>, <a href="../../javax/swing/JComponent.html#getComponentGraphics-java.awt.Graphics-">getComponentGraphics</a>, <a href="../../javax/swing/JComponent.html#getComponentPopupMenu--">getComponentPopupMenu</a>, <a href="../../javax/swing/JComponent.html#getConditionForKeyStroke-javax.swing.KeyStroke-">getConditionForKeyStroke</a>, <a href="../../javax/swing/JComponent.html#getDebugGraphicsOptions--">getDebugGraphicsOptions</a>, <a href="../../javax/swing/JComponent.html#getDefaultLocale--">getDefaultLocale</a>, <a href="../../javax/swing/JComponent.html#getFontMetrics-java.awt.Font-">getFontMetrics</a>, <a href="../../javax/swing/JComponent.html#getGraphics--">getGraphics</a>, <a href="../../javax/swing/JComponent.html#getHeight--">getHeight</a>, <a href="../../javax/swing/JComponent.html#getInheritsPopupMenu--">getInheritsPopupMenu</a>, <a href="../../javax/swing/JComponent.html#getInputMap--">getInputMap</a>, <a href="../../javax/swing/JComponent.html#getInputMap-int-">getInputMap</a>, <a href="../../javax/swing/JComponent.html#getInputVerifier--">getInputVerifier</a>, <a href="../../javax/swing/JComponent.html#getInsets--">getInsets</a>, <a href="../../javax/swing/JComponent.html#getInsets-java.awt.Insets-">getInsets</a>, <a href="../../javax/swing/JComponent.html#getListeners-java.lang.Class-">getListeners</a>, <a href="../../javax/swing/JComponent.html#getLocation-java.awt.Point-">getLocation</a>, <a href="../../javax/swing/JComponent.html#getMaximumSize--">getMaximumSize</a>, <a href="../../javax/swing/JComponent.html#getMinimumSize--">getMinimumSize</a>, <a href="../../javax/swing/JComponent.html#getNextFocusableComponent--">getNextFocusableComponent</a>, <a href="../../javax/swing/JComponent.html#getPopupLocation-java.awt.event.MouseEvent-">getPopupLocation</a>, <a href="../../javax/swing/JComponent.html#getRegisteredKeyStrokes--">getRegisteredKeyStrokes</a>, <a href="../../javax/swing/JComponent.html#getRootPane--">getRootPane</a>, <a href="../../javax/swing/JComponent.html#getSize-java.awt.Dimension-">getSize</a>, <a href="../../javax/swing/JComponent.html#getToolTipLocation-java.awt.event.MouseEvent-">getToolTipLocation</a>, <a href="../../javax/swing/JComponent.html#getToolTipText--">getToolTipText</a>, <a href="../../javax/swing/JComponent.html#getTopLevelAncestor--">getTopLevelAncestor</a>, <a href="../../javax/swing/JComponent.html#getTransferHandler--">getTransferHandler</a>, <a href="../../javax/swing/JComponent.html#getVerifyInputWhenFocusTarget--">getVerifyInputWhenFocusTarget</a>, <a href="../../javax/swing/JComponent.html#getVetoableChangeListeners--">getVetoableChangeListeners</a>, <a href="../../javax/swing/JComponent.html#getVisibleRect--">getVisibleRect</a>, <a href="../../javax/swing/JComponent.html#getWidth--">getWidth</a>, <a href="../../javax/swing/JComponent.html#getX--">getX</a>, <a href="../../javax/swing/JComponent.html#getY--">getY</a>, <a href="../../javax/swing/JComponent.html#grabFocus--">grabFocus</a>, <a href="../../javax/swing/JComponent.html#hide--">hide</a>, <a href="../../javax/swing/JComponent.html#isDoubleBuffered--">isDoubleBuffered</a>, <a href="../../javax/swing/JComponent.html#isLightweightComponent-java.awt.Component-">isLightweightComponent</a>, <a href="../../javax/swing/JComponent.html#isManagingFocus--">isManagingFocus</a>, <a 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href="../../java/awt/Component.html#repaint-int-int-int-int-">repaint</a>, <a href="../../java/awt/Component.html#repaint-long-">repaint</a>, <a href="../../java/awt/Component.html#resize-java.awt.Dimension-">resize</a>, <a href="../../java/awt/Component.html#resize-int-int-">resize</a>, <a href="../../java/awt/Component.html#setBounds-int-int-int-int-">setBounds</a>, <a href="../../java/awt/Component.html#setBounds-java.awt.Rectangle-">setBounds</a>, <a href="../../java/awt/Component.html#setCursor-java.awt.Cursor-">setCursor</a>, <a href="../../java/awt/Component.html#setDropTarget-java.awt.dnd.DropTarget-">setDropTarget</a>, <a href="../../java/awt/Component.html#setFocusable-boolean-">setFocusable</a>, <a href="../../java/awt/Component.html#setFocusTraversalKeysEnabled-boolean-">setFocusTraversalKeysEnabled</a>, <a href="../../java/awt/Component.html#setIgnoreRepaint-boolean-">setIgnoreRepaint</a>, <a href="../../java/awt/Component.html#setLocale-java.util.Locale-">setLocale</a>, <a href="../../java/awt/Component.html#setLocation-int-int-">setLocation</a>, <a href="../../java/awt/Component.html#setLocation-java.awt.Point-">setLocation</a>, <a href="../../java/awt/Component.html#setName-java.lang.String-">setName</a>, <a href="../../java/awt/Component.html#setSize-java.awt.Dimension-">setSize</a>, <a href="../../java/awt/Component.html#setSize-int-int-">setSize</a>, <a href="../../java/awt/Component.html#show--">show</a>, <a href="../../java/awt/Component.html#show-boolean-">show</a>, <a href="../../java/awt/Component.html#size--">size</a>, <a href="../../java/awt/Component.html#toString--">toString</a>, <a href="../../java/awt/Component.html#transferFocus--">transferFocus</a>, <a href="../../java/awt/Component.html#transferFocusBackward--">transferFocusBackward</a>, <a href="../../java/awt/Component.html#transferFocusUpCycle--">transferFocusUpCycle</a></code></li>
</ul>
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
<!-- --> </a> <h3>Methods inherited from class java.lang.<a href="../../java/lang/Object.html" title="class in java.lang">Object</a></h3> <code><a href="../../java/lang/Object.html#clone--">clone</a>, <a href="../../java/lang/Object.html#equals-java.lang.Object-">equals</a>, <a href="../../java/lang/Object.html#finalize--">finalize</a>, <a href="../../java/lang/Object.html#getClass--">getClass</a>, <a href="../../java/lang/Object.html#hashCode--">hashCode</a>, <a href="../../java/lang/Object.html#notify--">notify</a>, <a href="../../java/lang/Object.html#notifyAll--">notifyAll</a>, <a href="../../java/lang/Object.html#wait--">wait</a>, <a href="../../java/lang/Object.html#wait-long-">wait</a>, <a href="../../java/lang/Object.html#wait-long-int-">wait</a></code></li>
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<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ FIELD DETAIL =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.detail">
<!-- --> </a> <h3>字段详细信息</h3> <a name="notifyAction">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>notifyAction</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> notifyAction</pre>
<div class="block">
<span>要发送通知的操作的名称，该字段的内容已被接受。</span>
<span>通常这是绑定回车。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../constant-values.html#javax.swing.JTextField.notifyAction">Constant Field Values</a>
</dd>
</dl> </li>
</ul> </li>
</ul>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor.detail">
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<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>JTextField</h4> <pre>public JTextField()</pre>
<div class="block">
<span>构建新的<code>TextField</code> 。</span>
<span>创建默认模型，初始字符串为<code>null</code> ，列数设置为0。</span>
</div> </li>
</ul> <a name="JTextField-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>JTextField</h4> <pre>public JTextField(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)</pre>
<div class="block">
<span>构造一个新<code>TextField</code>用指定文本初始化。</span>
<span>创建默认模型，列数为0。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 要显示的文本，或 
            <code>null</code>
</dd>
</dl> </li>
</ul> <a name="JTextField-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>JTextField</h4> <pre>public JTextField(int columns)</pre>
<div class="block">
<span>构造一个新的空的<code>TextField</code>与指定的列数。</span>
<span>创建默认模型，初始字符串设置为<code>null</code> 。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>columns</code> - 用于计算首选宽度的列数;</span>
<span>如果列设置为零，则首选宽度将是组件实现的任何自然结果</span>
</dd>
</dl> </li>
</ul> <a name="JTextField-java.lang.String-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>JTextField</h4> <pre>public JTextField(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text,
                  int columns)</pre>
<div class="block">
<span>构造一个新的<code>TextField</code> ，用指定的文本和列进行初始化。</span>
<span>创建默认模型。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>text</code> - 要显示的文本，或 
            <code>null</code>
</dd>
<dd>
<span><code>columns</code> - 用于计算首选宽度的列数;</span>
<span>如果列设置为零，则首选宽度将是组件实现的任何自然结果</span>
</dd>
</dl> </li>
</ul> <a name="JTextField-javax.swing.text.Document-java.lang.String-int-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>JTextField</h4> <pre>public JTextField(<a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> doc,
                  <a href="../../java/lang/String.html" title="class in java.lang">String</a> text,
                  int columns)</pre>
<div class="block">
<span>构造一个新的<code>JTextField</code> ，它使用给定的文本存储模型和给定的列数。</span>
<span>这是其他构造函数通过其提供的构造函数。</span>
<span>如果文档是<code>null</code> ，则会创建默认模型。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<span><code>doc</code> - 要使用的文本存储;</span>
<span>如果是<code>null</code> ，将通过调用<code>createDefaultModel</code>方法提供默认值</span>
</dd>
<dd>
<code>text</code> - 要显示的初始字符串，或 
            <code>null</code>
</dd>
<dd>
<span><code>columns</code> - 用于计算首选宽度&gt; = 0的列数;</span>
<span>如果<code>columns</code>设置为零，则优选的宽度将是组件实现的任何自然结果</span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果 
            <code>columns</code> &lt;0 
           </dd>
</dl> </li>
</ul> </li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="getUIClassID--">
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<ul class="blockList">
<li class="blockList"> <h4>getUIClassID</h4> <pre>public <a href="../../java/lang/String.html" title="class in java.lang">String</a> getUIClassID()</pre>
<div class="block">
            获取UI的类ID。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#getUIClassID--">getUIClassID</a></code>在 
            <code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             字符串“TextFieldUI” 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/JComponent.html#getUIClassID--"><code>JComponent.getUIClassID()</code></a> ， 
            <a href="../../javax/swing/UIDefaults.html#getUI-javax.swing.JComponent-"><code>UIDefaults.getUI(javax.swing.JComponent)</code></a>
</dd>
</dl> </li>
</ul> <a name="setDocument-javax.swing.text.Document-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setDocument</h4> <pre>public void setDocument(<a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> doc)</pre>
<div class="block">
<span>将编辑器与文本文档相关联。</span>
<span>目前注册的工厂用于构建文档的视图，该文档在重新验证后由编辑器显示。</span>
<span>PropertyChange事件（“document”）被传播给每个监听器。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/text/JTextComponent.html#setDocument-javax.swing.text.Document-">setDocument</a></code>在 
            <code><a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>doc</code> - 要显示/编辑的文档 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/text/JTextComponent.html#getDocument--"><code>JTextComponent.getDocument()</code></a>
</dd>
</dl> </li>
</ul> <a name="isValidateRoot--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>isValidateRoot</h4> <pre>public boolean isValidateRoot()</pre>
<div class="block">
            呼叫 
           <code>revalidate</code>是来自文本字段本身内将通过验证文本字段，除非文本字段包含一个内处理 
           <code>JViewport</code> ，在这种情况下，这个返回false。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#isValidateRoot--">isValidateRoot</a></code>在 
            <code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>类 
           </dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             如果这个文本字段的父对象是一个 
            <code>JViewPort</code>返回false，否则返回true 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/JComponent.html#revalidate--"><code>JComponent.revalidate()</code></a> ， 
            <a href="../../javax/swing/JComponent.html#isValidateRoot--"><code>JComponent.isValidateRoot()</code></a> ， 
            <a href="../../java/awt/Container.html#isValidateRoot--"><code>Container.isValidateRoot()</code></a>
</dd>
</dl> </li>
</ul> <a name="getHorizontalAlignment--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getHorizontalAlignment</h4> <pre>public int getHorizontalAlignment()</pre>
<div class="block">
<span>返回文本的水平对齐。</span>
<span>有效的密钥是：</span>
<ul>
<li> <code>JTextField.LEFT</code> </li>
<li> <code>JTextField.CENTER</code> </li>
<li> <code>JTextField.RIGHT</code> </li>
<li> <code>JTextField.LEADING</code> </li>
<li> <code>JTextField.TRAILING</code> </li>
</ul>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             水平对齐 
           </dd>
</dl> </li>
</ul> <a name="setHorizontalAlignment-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setHorizontalAlignment</h4> <pre>public void setHorizontalAlignment(int alignment)</pre>
<div class="block">
<span>设置文本的水平对齐方式。</span>
<span>有效的密钥是：</span>
<ul>
<li> <code>JTextField.LEFT</code> </li>
<li> <code>JTextField.CENTER</code> </li>
<li> <code>JTextField.RIGHT</code> </li>
<li> <code>JTextField.LEADING</code> </li>
<li> <code>JTextField.TRAILING</code> </li>
</ul>
<span>当对齐设置时调用<code>invalidate</code>和<code>repaint</code> ，并且<code>PropertyChange</code>事件（“horizontalAlignment”）。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>alignment</code> - 对齐 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果 
            <code>alignment</code>不是有效的密钥 
           </dd>
</dl> </li>
</ul> <a name="createDefaultModel--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>createDefaultModel</h4> <pre>protected <a href="../../javax/swing/text/Document.html" title="interface in javax.swing.text">Document</a> createDefaultModel()</pre>
<div class="block">
<span>如果没有明确给出，则创建要在构建中使用的模型的默认实现。</span>
<span>返回一个<code>PlainDocument</code>的实例。</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             默认模式实现 
           </dd>
</dl> </li>
</ul> <a name="getColumns--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getColumns</h4> <pre>public int getColumns()</pre>
<div class="block">
            返回此 
           <code>TextField</code>中的列数。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             列数= 0 
           </dd>
</dl> </li>
</ul> <a name="setColumns-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setColumns</h4> <pre>public void setColumns(int columns)</pre>
<div class="block">
            设置此 
           <code>TextField</code>中的列数，然后使布局无效。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>columns</code> - 列数&gt; = 0 
           </dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../java/lang/IllegalArgumentException.html" title="class in java.lang">IllegalArgumentException</a></code> - 如果 
            <code>columns</code>小于0 
           </dd>
</dl> </li>
</ul> <a name="getColumnWidth--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getColumnWidth</h4> <pre>protected int getColumnWidth()</pre>
<div class="block">
<span>返回列宽。</span>
<span>什么是列的意思可以被认为是一些相当弱的概念的一些字体。</span>
<span>此方法用于定义列的宽度。</span>
<span>默认情况下，这被定义为使用的字体的字符<em>m</em>的宽度。</span>
<span>这种方法可以重新定义为一些替代量</span>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             列宽&gt; = 1 
           </dd>
</dl> </li>
</ul> <a name="getPreferredSize--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getPreferredSize</h4> <pre>public <a href="../../java/awt/Dimension.html" title="class in java.awt">Dimension</a> getPreferredSize()</pre>
<div class="block">
<span>返回首选大小<code>Dimensions</code>为此需要<code>TextField</code> 。</span>
<span>如果设置了非零数量的列，则将宽度设置为列乘以列宽。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#getPreferredSize--">getPreferredSize</a></code>在 
            <code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             该文本域的维度 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/JComponent.html#setPreferredSize-java.awt.Dimension-"><code>JComponent.setPreferredSize(java.awt.Dimension)</code></a> ， <a href="../../javax/swing/plaf/ComponentUI.html" title="javax.swing.plaf中的类"><code>ComponentUI</code></a></span>
</dd>
</dl> </li>
</ul> <a name="setFont-java.awt.Font-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setFont</h4> <pre>public void setFont(<a href="../../java/awt/Font.html" title="class in java.awt">Font</a> f)</pre>
<div class="block">
<span>设置当前字体。</span>
<span>这将删除缓存的行高和列宽，以便反映新字体。</span>
<span><code>revalidate</code>在设置字体后调用。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#setFont-java.awt.Font-">setFont</a></code>在 
            <code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>f</code> - 新字体 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../java/awt/Component.html#getFont--"><code>Component.getFont()</code></a>
</dd>
</dl> </li>
</ul> <a name="addActionListener-java.awt.event.ActionListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>addActionListener</h4> <pre>public void addActionListener(<a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a> l)</pre>
<div class="block">
            添加指定的动作侦听器以从此文本字段接收动作事件。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要添加的动作侦听器 
           </dd>
</dl> </li>
</ul> <a name="removeActionListener-java.awt.event.ActionListener-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>removeActionListener</h4> <pre>public void removeActionListener(<a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a> l)</pre>
<div class="block">
            删除指定的动作监听器，使其不再从此文本字段接收动作事件。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>l</code> - 要删除的动作侦听器 
           </dd>
</dl> </li>
</ul> <a name="getActionListeners--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getActionListeners</h4> <pre>public <a href="../../java/awt/event/ActionListener.html" title="interface in java.awt.event">ActionListener</a>[] getActionListeners()</pre>
<div class="block">
            返回使用addActionListener（）添加到此JTextField的所有 
           <code>ActionListener</code>的数组。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             所有添加的 
            <code>ActionListener</code>或一个空数组，如果没有添加任何监听器 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.4 
           </dd>
</dl> </li>
</ul> <a name="fireActionPerformed--">
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<ul class="blockList">
<li class="blockList"> <h4>fireActionPerformed</h4> <pre>protected void fireActionPerformed()</pre>
<div class="block">
<span>通知所有在此事件类型上通知有兴趣的听众。</span>
<span>事件实例被懒惰创建。</span>
<span>侦听器列表以最后一个顺序处理。</span>
</div>
<dl>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/event/EventListenerList.html" title="javax.swing.event中的类"><code>EventListenerList</code></a></span>
</dd>
</dl> </li>
</ul> <a name="setActionCommand-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>setActionCommand</h4> <pre>public void setActionCommand(<a href="../../java/lang/String.html" title="class in java.lang">String</a> command)</pre>
<div class="block">
            设置用于操作事件的命令字符串。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>command</code> - 命令字符串 
           </dd>
</dl> </li>
</ul> <a name="setAction-javax.swing.Action-">
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<ul class="blockList">
<li class="blockList"> <h4>setAction</h4> <pre>public void setAction(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</pre>
<div class="block">
<span>设置<code>Action</code>为<code>ActionEvent</code>源。</span>
<span>新<code>Action</code>替换任何以前设置<code>Action</code>但不影响<code>ActionListeners</code>与单独添加<code>addActionListener</code> 。</span>
<span>如果<code>Action</code>已经是ActionEvent的注册<code>ActionListener</code>为<code>ActionEvent</code> ，则不会重新注册。</span>
<p> <span>设置<code>Action</code>会导致立即更改Swing Components Supporting <code>Action</code>中<a href="Action.html#buttonActions">描述的</a>所有<a href="Action.html#buttonActions">属性</a> 。</span> <span>随后，文本框的属性会随着<code>Action</code>的属性发生更改而自动更新。</span> </p>
<p> <span>该方法使用其他三种方法来设置和帮助跟踪<code>Action</code>的属性值。</span> <span>它使用<code>configurePropertiesFromAction</code>方法立即更改文本框的属性。</span> <span>要跟踪<code>Action</code>的属性值中的更改，此方法注册<code>PropertyChangeListener</code>返回的<code>createActionPropertyChangeListener</code> 。</span> <span><code>PropertyChangeListener</code>调用<code>actionPropertyChanged</code>方法时， <code>Action</code>中的<code>Action</code>发生变化。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>a</code> - 
            <code>Action</code>为 
            <code>JTextField</code> ，或 
            <code>null</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.3 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> ， <a href="../../javax/swing/JTextField.html#getAction--"><code>getAction()</code></a> ， <a href="../../javax/swing/JTextField.html#configurePropertiesFromAction-javax.swing.Action-"><code>configurePropertiesFromAction(javax.swing.Action)</code></a> ， <a href="../../javax/swing/JTextField.html#createActionPropertyChangeListener-javax.swing.Action-"><code>createActionPropertyChangeListener(javax.swing.Action)</code></a> ， <a href="../../javax/swing/JTextField.html#actionPropertyChanged-javax.swing.Action-java.lang.String-"><code>actionPropertyChanged(javax.swing.Action, java.lang.String)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getAction--">
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<ul class="blockList">
<li class="blockList"> <h4>getAction</h4> <pre>public <a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> getAction()</pre>
<div class="block">
            返回当前设置的 
           <code>Action</code>为 
           <code>ActionEvent</code>源，或 
           <code>null</code>如果没有 
           <code>Action</code>设置。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>Action</code>为 
            <code>ActionEvent</code>源码，或 
            <code>null</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.3 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> ， <a href="../../javax/swing/JTextField.html#setAction-javax.swing.Action-"><code>setAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="configurePropertiesFromAction-javax.swing.Action-">
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<ul class="blockList">
<li class="blockList"> <h4>configurePropertiesFromAction</h4> <pre>protected void configurePropertiesFromAction(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</pre>
<div class="block">
<span>设置此文本字段上的属性以匹配指定的Action中的<code>Action</code> 。</span>
<span>有关这些<a href="Action.html#buttonActions">属性</a>的详细信息，请参阅<a href="Action.html#buttonActions">Swing Components Supporting <code>Action</code></a> 。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>a</code> - 
            <code>Action</code>从哪个获取属性，或 
            <code>null</code>
</dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.3 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> ， <a href="../../javax/swing/JTextField.html#setAction-javax.swing.Action-"><code>setAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="actionPropertyChanged-javax.swing.Action-java.lang.String-">
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<ul class="blockList">
<li class="blockList"> <h4>actionPropertyChanged</h4> <pre>protected void actionPropertyChanged(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> action,
                                     <a href="../../java/lang/String.html" title="class in java.lang">String</a> propertyName)</pre>
<div class="block">
<span>响应相关操作中的属性更改更新文本框的状态。</span>
<span>这个方法是从<code>PropertyChangeListener</code>返回的<code>createActionPropertyChangeListener</code>调用的。</span>
<span>子类通常不需要调用它。</span>
<span>支持额外Action <code>Action</code>子类应该覆盖此和<code>configurePropertiesFromAction</code> 。</span>
<p> <span>有关此方法设置的属性的列表，请参阅<a href="Action.html#buttonActions">Swing Components Supporting <code>Action</code></a>的表。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>action</code> - 与 
            <code>Action</code>本字段相关联的Action 
           </dd>
<dd>
<code>propertyName</code> - 更改的属性的名称 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.6 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> ， <a href="../../javax/swing/JTextField.html#configurePropertiesFromAction-javax.swing.Action-"><code>configurePropertiesFromAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="createActionPropertyChangeListener-javax.swing.Action-">
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<ul class="blockList">
<li class="blockList"> <h4>createActionPropertyChangeListener</h4> <pre>protected <a href="../../java/beans/PropertyChangeListener.html" title="interface in java.beans">PropertyChangeListener</a> createActionPropertyChangeListener(<a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a> a)</pre>
<div class="block">
<span>创建并返回一个<code>PropertyChangeListener</code> ，负责监听来自指定的变化<code>Action</code>和更新相应的属性。</span>
<p> <span><b>警告：</b>如果你这个子类不创建一个匿名的内部类。</span> <span>如果你这样做的话，文本框的一生将被绑定到<code>Action</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>a</code> - 文本框的动作 
           </dd>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
             1.3 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/Action.html" title="javax.swing中的接口"><code>Action</code></a> ， <a href="../../javax/swing/JTextField.html#setAction-javax.swing.Action-"><code>setAction(javax.swing.Action)</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getActions--">
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<ul class="blockList">
<li class="blockList"> <h4>getActions</h4> <pre>public <a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a>[] getActions()</pre>
<div class="block">
<span>获取编辑器命令列表。</span>
<span>这是由编辑器本身支持的命令的集合所增加的插入UI支持的命令列表。</span>
<span>这些对绑定到事件是有用的，例如在键盘映射中。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/text/JTextComponent.html#getActions--">getActions</a></code>在 
            <code><a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             命令列表 
           </dd>
</dl> </li>
</ul> <a name="postActionEvent--">
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<ul class="blockList">
<li class="blockList"> <h4>postActionEvent</h4> <pre>public void postActionEvent()</pre>
<div class="block">
<span>通过将这些事件发送到任何已注册的<code>ActionListener</code>对象来处理<code>ActionListener</code>本域上发生的操作事件。</span>
<span>这通常由注册在文本域中的控制器调用。</span>
</div> </li>
</ul> <a name="getHorizontalVisibility--">
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<ul class="blockList">
<li class="blockList"> <h4>getHorizontalVisibility</h4> <pre>public <a href="../../javax/swing/BoundedRangeModel.html" title="interface in javax.swing">BoundedRangeModel</a> getHorizontalVisibility()</pre>
<div class="block">
<span>获取文本字段的可见性。</span>
<span>如果字段的大小大于分配给该字段的区域，则可以调整此位置以更改可见区域的位置。</span>
<p> <span>字段外观实现管理BoundedRangeModel上最小，最大和扩展属性的<code>BoundedRangeModel</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             能见度 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/BoundedRangeModel.html" title="javax.swing中的接口"><code>BoundedRangeModel</code></a></span>
</dd>
</dl> </li>
</ul> <a name="getScrollOffset--">
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<ul class="blockList">
<li class="blockList"> <h4>getScrollOffset</h4> <pre>public int getScrollOffset()</pre>
<div class="block">
            获取滚动偏移量，以像素为单位。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             offset&gt; = 0 
           </dd>
</dl> </li>
</ul> <a name="setScrollOffset-int-">
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<ul class="blockList">
<li class="blockList"> <h4>setScrollOffset</h4> <pre>public void setScrollOffset(int scrollOffset)</pre>
<div class="block">
            设置滚动偏移量，以像素为单位。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>scrollOffset</code> - offset&gt; = 0 
           </dd>
</dl> </li>
</ul> <a name="scrollRectToVisible-java.awt.Rectangle-">
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<ul class="blockList">
<li class="blockList"> <h4>scrollRectToVisible</h4> <pre>public void scrollRectToVisible(<a href="../../java/awt/Rectangle.html" title="class in java.awt">Rectangle</a> r)</pre>
<div class="block">
            向左或向右滚动字段。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/JComponent.html#scrollRectToVisible-java.awt.Rectangle-">scrollRectToVisible</a></code>在 
            <code><a href="../../javax/swing/JComponent.html" title="class in javax.swing">JComponent</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>r</code> - 要滚动的区域 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/JViewport.html" title="javax.swing中的类"><code>JViewport</code></a></span>
</dd>
</dl> </li>
</ul> <a name="paramString--">
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<ul class="blockList">
<li class="blockList"> <h4>paramString</h4> <pre>protected <a href="../../java/lang/String.html" title="class in java.lang">String</a> paramString()</pre>
<div class="block">
<span>返回此<code>JTextField</code>的字符串表示<code>JTextField</code> 。</span>
<span>该方法仅用于调试目的，并且返回的字符串的内容和格式可能因实现而异。</span>
<span>返回的字符串可能为空，但可能不是<code>null</code> 。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/text/JTextComponent.html#paramString--">paramString</a></code>在 
            <code><a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             这个 
            <code>JTextField</code>的字符串表示 
            <code>JTextField</code>
</dd>
</dl> </li>
</ul> <a name="getAccessibleContext--">
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<ul class="blockListLast">
<li class="blockList"> <h4>getAccessibleContext</h4> <pre>public <a href="../../javax/accessibility/AccessibleContext.html" title="class in javax.accessibility">AccessibleContext</a> getAccessibleContext()</pre>
<div class="block">
<span>获取<code>AccessibleContext</code>与此相关<code>JTextField</code> 。</span>
<span>为<code>JTextFields</code> ，所述<code>AccessibleContext</code>需要一个的形式<code>AccessibleJTextField</code> 。</span>
<span>如有必要，将创建一个新的<code>AccessibleJTextField</code>实例。</span>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/accessibility/Accessible.html#getAccessibleContext--">getAccessibleContext</a></code>在接口 
            <code><a href="../../javax/accessibility/Accessible.html" title="interface in javax.accessibility">Accessible</a></code>
</dd>
<dt>
<span class="overrideSpecifyLabel">重写：</span>
</dt>
<dd>
<code><a href="../../javax/swing/text/JTextComponent.html#getAccessibleContext--">getAccessibleContext</a></code>在 
            <code><a href="../../javax/swing/text/JTextComponent.html" title="class in javax.swing.text">JTextComponent</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             一个 
            <code>AccessibleJTextField</code> ，作为这个 
            <code>AccessibleContext</code>的 
            <code>JTextField</code>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>