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430 lines
20 KiB
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<div class="header">
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<div class="subTitle">
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javax.swing
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</div>
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<h2 class="title" title="Class JFormattedTextField.AbstractFormatter">Class JFormattedTextField.AbstractFormatter</h2>
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</div><div class="contentContainer">
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<ul class="inheritance">
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<li><a href="../../java/lang/Object.html" title="class in java.lang">java.lang.Object</a></li>
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<li>
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<ul class="inheritance">
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<li>javax.swing.JFormattedTextField.AbstractFormatter</li>
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</ul> </li>
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</ul>
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<div class="description">
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<ul class="blockList">
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<li class="blockList">
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<dl>
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<dt>
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All Implemented Interfaces:
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</dt>
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<dd>
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<span><a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a></span>
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</dd>
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</dl>
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<dl>
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<dt>
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已知直接子类：
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</dt>
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<dd>
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<span><a href="../../javax/swing/text/DefaultFormatter.html" title="javax.swing.text中的类">DefaultFormatter</a></span>
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</dd>
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</dl>
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<dl>
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<dt>
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Enclosing class:
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</dt>
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<dd>
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<span><a href="../../javax/swing/JFormattedTextField.html" title="javax.swing中的类">JFormattedTextField</a></span>
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</dd>
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</dl>
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<hr/> <br/> <pre>public abstract static class <span class="typeNameLabel">JFormattedTextField.AbstractFormatter</span>
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extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a>
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implements <a href="../../java/io/Serializable.html" title="interface in java.io">Serializable</a></pre>
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<div class="block">
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<span>AbstractFormatter的<code>AbstractFormatter</code>由<code>JFormattedTextField</code>用于处理从对象到字符串以及从字符串返回到对象的转换。</span>
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<span><code>AbstractFormatter</code>还可以强制执行编辑策略或导航策略，或以任何方式<code>JFormattedTextField</code>以执行所需策略。</span>
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<p> <span>一个<code>AbstractFormatter</code>只能在一个<code>JFormattedTextField</code>一次有效。</span> <span><code>JFormattedTextField</code>调用<code>install</code>当它准备好使用它后跟<code>uninstall</code>完成。</span> <span>希望安装其他状态的子类应该覆盖<code>install</code>和超级消息。</span> </p>
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<p> <span>子类必须覆盖转换方法<code>stringToValue</code>和<code>valueToString</code> 。</span> <span>可选他们可以覆盖<code>getActions</code> ， <code>getNavigationFilter</code>和<code>getDocumentFilter</code>限制<code>JFormattedTextField</code>以特定的方式。</span> </p>
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<p> <span>允许<code>JFormattedTextField</code>处于暂时无效状态的子类应在适当的时候调用<code>setEditValid</code> 。</span> </p>
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</div>
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<dl>
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<dt>
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<span class="simpleTagLabel">从以下版本开始：</span>
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</dt>
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<dd>
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1.4
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</dd>
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</dl> </li>
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</ul>
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</div>
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<div class="summary">
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<ul class="blockList">
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<li class="blockList">
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<li class="blockList"><a name="constructor.summary">
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<!-- --> </a> <h3>构造方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Constructor Summary table, listing constructors, and an explanation">
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<caption>
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<span>构造方法</span>
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<span class="tabEnd"> </span>
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</caption>
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<tbody>
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<tr>
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<th class="colOne" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#AbstractFormatter--">AbstractFormatter</a></span>()</code> </td>
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</tr>
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</tbody>
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</table> </li>
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</ul>
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<!-- ========== METHOD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.summary">
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<!-- --> </a> <h3>方法摘要</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
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<caption>
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<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
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<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
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<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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</caption>
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<tbody>
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<tr>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Method and Description</th>
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</tr>
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<tr class="altColor" id="i0">
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<td class="colFirst"><code>protected <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#clone--">clone</a></span>()</code>
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<div class="block">
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克隆
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<code>AbstractFormatter</code> 。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i1">
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<td class="colFirst"><code>protected <a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#getActions--">getActions</a></span>()</code>
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<div class="block">
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子类和覆盖，如果你想提供一个定制的
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<code>Action</code> s。
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</div> </td>
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</tr>
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<tr class="altColor" id="i2">
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<td class="colFirst"><code>protected <a href="../../javax/swing/text/DocumentFilter.html" title="class in javax.swing.text">DocumentFilter</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#getDocumentFilter--">getDocumentFilter</a></span>()</code>
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<div class="block">
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如果您希望提供
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<code>DocumentFilter</code>以限制可以输入的内容，则可以使用子类和覆盖。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i3">
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<td class="colFirst"><code>protected <a href="../../javax/swing/JFormattedTextField.html" title="class in javax.swing">JFormattedTextField</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#getFormattedTextField--">getFormattedTextField</a></span>()</code>
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<div class="block">
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返回当前
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<code>JFormattedTextField</code>的
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<code>AbstractFormatter</code> 。
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</div> </td>
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</tr>
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<tr class="altColor" id="i4">
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<td class="colFirst"><code>protected <a href="../../javax/swing/text/NavigationFilter.html" title="class in javax.swing.text">NavigationFilter</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#getNavigationFilter--">getNavigationFilter</a></span>()</code>
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<div class="block">
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如果您希望提供一个过滤器来限制用户可以导航的位置，则可以使用子类和覆盖。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i5">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#install-javax.swing.JFormattedTextField-">install</a></span>(<a href="../../javax/swing/JFormattedTextField.html" title="class in javax.swing">JFormattedTextField</a> ftf)</code>
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<div class="block">
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将
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<code>AbstractFormatter</code>安装到特定的
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<code>JFormattedTextField</code> 。
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</div> </td>
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</tr>
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<tr class="altColor" id="i6">
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<td class="colFirst"><code>protected void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#invalidEdit--">invalidEdit</a></span>()</code>
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<div class="block">
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当用户键入无效字符时，应该调用此值。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i7">
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<td class="colFirst"><code>protected void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#setEditValid-boolean-">setEditValid</a></span>(boolean valid)</code>
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<div class="block">
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调用此更新
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<code>editValid</code>的财产
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<code>JFormattedTextField</code> 。
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</div> </td>
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</tr>
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<tr class="altColor" id="i8">
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<td class="colFirst"><code>abstract <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#stringToValue-java.lang.String-">stringToValue</a></span>(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)</code>
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<div class="block">
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解析
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<code>text</code>返回任意的对象。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i9">
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<td class="colFirst"><code>void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#uninstall--">uninstall</a></span>()</code>
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<div class="block">
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卸载任何状态
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<code>AbstractFormatter</code>可能对安装
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<code>JFormattedTextField</code> 。
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</div> </td>
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</tr>
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<tr class="altColor" id="i10">
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<td class="colFirst"><code>abstract <a href="../../java/lang/String.html" title="class in java.lang">String</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/JFormattedTextField.AbstractFormatter.html#valueToString-java.lang.Object-">valueToString</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)</code>
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<div class="block">
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返回
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<code>value</code>显示的字符串值。
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</div> </td>
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</tr>
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</tbody>
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</table>
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<ul class="blockList">
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<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
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<!-- --> </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#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#toString--">toString</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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</ul> </li>
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</ul> </li>
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</ul>
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</div>
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<div class="details">
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<ul class="blockList">
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<li class="blockList">
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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<ul class="blockList">
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<li class="blockList"><a name="constructor.detail">
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<!-- --> </a> <h3>构造方法详细信息</h3> <a name="AbstractFormatter--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>AbstractFormatter</h4> <pre>public AbstractFormatter()</pre> </li>
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</ul> </li>
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</ul>
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<!-- ============ METHOD DETAIL ========== -->
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<ul class="blockList">
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<li class="blockList"><a name="method.detail">
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<!-- --> </a> <h3>方法详细信息</h3> <a name="install-javax.swing.JFormattedTextField-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>install</h4> <pre>public void install(<a href="../../javax/swing/JFormattedTextField.html" title="class in javax.swing">JFormattedTextField</a> ftf)</pre>
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<div class="block">
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<span>安装<code>AbstractFormatter</code>到特定<code>JFormattedTextField</code> 。</span>
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<span>这将调用<code>valueToString</code>将当前值从<code>JFormattedTextField</code>转换为字符串。</span>
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<span>那么这将安装<code>Action</code>从s <code>getActions</code> ，该<code>DocumentFilter</code>从返回<code>getDocumentFilter</code>和<code>NavigationFilter</code>从返回<code>getNavigationFilter</code>到<code>JFormattedTextField</code> 。</span>
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<p> <span>子类通常只需要覆盖这个，如果他们希望在JFormattedTextField上安装其他监听<code>JFormattedTextField</code> 。</span> </p>
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<p> <span>如果有一个<code>ParseException</code>将当前值转换为字符串，则将文本设置为空字符串，并将<code>JFormattedTextField</code>标记为无效状态。</span> </p>
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<p> <span>虽然这是一种公共方法，但这通常仅适用于JFormattedTextField的<code>JFormattedTextField</code> 。</span> <span><code>JFormattedTextField</code>将在值更改或其内部状态更改的适当时候调用此方法。</span> <span>您只需要将此调用自己，如果你正在继承<code>JFormattedTextField</code>和安装/卸载<code>AbstractFormatter</code>比不同的时间<code>JFormattedTextField</code>做。</span> </p>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>ftf</code> - JFormattedTextField格式化，可能为null表示从当前JFormattedTextField卸载。
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</dd>
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</dl> </li>
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</ul> <a name="uninstall--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>uninstall</h4> <pre>public void uninstall()</pre>
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<div class="block">
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<span>卸载任何状态<code>AbstractFormatter</code>可能对安装<code>JFormattedTextField</code> 。</span>
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<span>这将重置<code>DocumentFilter</code> ， <code>NavigationFilter</code>和附加<code>Action</code>安装在S <code>JFormattedTextField</code> 。</span>
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</div> </li>
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</ul> <a name="stringToValue-java.lang.String-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>stringToValue</h4> <pre>public abstract <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> stringToValue(<a href="../../java/lang/String.html" title="class in java.lang">String</a> text)
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throws <a href="../../java/text/ParseException.html" title="class in java.text">ParseException</a></pre>
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<div class="block">
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<span>解析<code>text</code>返回任意对象。</span>
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<span>一些格式化程序可能返回null。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>text</code> - 要转换的字符串
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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文本的对象表示
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../java/text/ParseException.html" title="class in java.text">ParseException</a></code> - 转换中是否有错误
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</dd>
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</dl> </li>
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</ul> <a name="valueToString-java.lang.Object-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>valueToString</h4> <pre>public abstract <a href="../../java/lang/String.html" title="class in java.lang">String</a> valueToString(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)
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throws <a href="../../java/text/ParseException.html" title="class in java.text">ParseException</a></pre>
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<div class="block">
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返回
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<code>value</code>显示的字符串值。
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>value</code> - 要转换的价值
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</dd>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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值的字符串表示
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</dd>
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<dt>
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<span class="throwsLabel">异常</span>
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</dt>
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<dd>
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<code><a href="../../java/text/ParseException.html" title="class in java.text">ParseException</a></code> - 如果转换中有错误
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</dd>
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</dl> </li>
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</ul> <a name="getFormattedTextField--">
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<!-- --> </a>
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<li class="blockList"> <h4>getFormattedTextField</h4> <pre>protected <a href="../../javax/swing/JFormattedTextField.html" title="class in javax.swing">JFormattedTextField</a> getFormattedTextField()</pre>
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<div class="block">
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返回当前
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<code>JFormattedTextField</code>的
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<code>AbstractFormatter</code> 。
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</div>
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<dl>
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<dt>
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<span class="returnLabel">结果</span>
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</dt>
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<dd>
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JFormattedTextField格式化。
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</dd>
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</dl> </li>
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</ul> <a name="invalidEdit--">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>invalidEdit</h4> <pre>protected void invalidEdit()</pre>
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<div class="block">
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<span>当用户键入无效字符时，应该调用此值。</span>
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<span>这会将调用转发到当前的JFormattedTextField。</span>
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</div> </li>
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</ul> <a name="setEditValid-boolean-">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>setEditValid</h4> <pre>protected void setEditValid(boolean valid)</pre>
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<div class="block">
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<span>调用此更新<code>editValid</code>的财产<code>JFormattedTextField</code> 。</span>
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<span>如果您强制执行<code>JFormattedTextField</code>始终处于有效状态的策略，则您将永远不需要调用此策略。</span>
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</div>
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<dl>
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<dt>
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<span class="paramLabel">参数</span>
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</dt>
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<dd>
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<code>valid</code> -
|
||
<code>valid</code>有效状态
|
||
</dd>
|
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</dl> </li>
|
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</ul> <a name="getActions--">
|
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<!-- --> </a>
|
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<ul class="blockList">
|
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<li class="blockList"> <h4>getActions</h4> <pre>protected <a href="../../javax/swing/Action.html" title="interface in javax.swing">Action</a>[] getActions()</pre>
|
||
<div class="block">
|
||
<span>子类和覆盖，如果你想提供一个自定义的<code>Action</code> s。</span>
|
||
<span><code>install</code>将安装在<code>JFormattedTextField</code>的<code>ActionMap</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
要在JFormattedTextField上安装的操作数组
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getDocumentFilter--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getDocumentFilter</h4> <pre>protected <a href="../../javax/swing/text/DocumentFilter.html" title="class in javax.swing.text">DocumentFilter</a> getDocumentFilter()</pre>
|
||
<div class="block">
|
||
<span>子类和覆盖，如果你想提供一个<code>DocumentFilter</code>来限制可以输入的内容。</span>
|
||
<span><code>install</code>将返回的值安装到<code>JFormattedTextField</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
DocumentFilter来限制编辑
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="getNavigationFilter--">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>getNavigationFilter</h4> <pre>protected <a href="../../javax/swing/text/NavigationFilter.html" title="class in javax.swing.text">NavigationFilter</a> getNavigationFilter()</pre>
|
||
<div class="block">
|
||
<span>如果您希望提供一个过滤器来限制用户可以导航的位置，则可以使用子类和覆盖。</span>
|
||
<span><code>install</code>将返回的值安装到<code>JFormattedTextField</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
NavigationFilter限制导航
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="clone--">
|
||
<!-- --> </a>
|
||
<ul class="blockListLast">
|
||
<li class="blockList"> <h4>clone</h4> <pre>protected <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> clone()
|
||
throws <a href="../../java/lang/CloneNotSupportedException.html" title="class in java.lang">CloneNotSupportedException</a></pre>
|
||
<div class="block">
|
||
<span>克隆<code>AbstractFormatter</code> 。</span>
|
||
<span>返回的实例不与<code>JFormattedTextField</code> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="overrideSpecifyLabel">重写：</span>
|
||
</dt>
|
||
<dd>
|
||
<code><a href="../../java/lang/Object.html#clone--">clone</a></code>在
|
||
<code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code>
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
AbstractFormatter的副本
|
||
</dd>
|
||
<dt>
|
||
<span class="throwsLabel">异常</span>
|
||
</dt>
|
||
<dd>
|
||
<span><code><a href="../../java/lang/CloneNotSupportedException.html" title="class in java.lang">CloneNotSupportedException</a></code> - 如果对象的类不支持<code>Cloneable</code>接口。</span>
|
||
<span>覆盖<code>clone</code>方法的子类也可以引发此异常以指示实例无法克隆。</span>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../java/lang/Cloneable.html" title="interface in java.lang"><code>Cloneable</code></a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |