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

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     javax.swing 
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<h2 class="title" title="Class SpinnerNumberModel">Class SpinnerNumberModel</h2>
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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><a href="../../javax/swing/AbstractSpinnerModel.html" title="class in javax.swing">javax.swing.AbstractSpinnerModel</a></li>
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<li>javax.swing.SpinnerNumberModel</li>
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<dt>
         All Implemented Interfaces: 
       </dt>
<dd>
<span><a href="../../java/io/Serializable.html" title="java.io中的接口">Serializable</a> ， <a href="../../javax/swing/SpinnerModel.html" title="javax.swing中的接口">SpinnerModel</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public class <span class="typeNameLabel">SpinnerNumberModel</span>
extends <a href="../../javax/swing/AbstractSpinnerModel.html" title="class in javax.swing">AbstractSpinnerModel</a>
implements <a href="../../java/io/Serializable.html" title="interface in java.io">Serializable</a></pre>
<div class="block">
<span>A <code>SpinnerModel</code>的数字序列。</span>
<span>序列的上限和下限由称为<code>minimum</code>和<code>maximum</code> 。</span>
<span>由<code>nextValue</code>和<code>previousValue</code>方法计算的增加或减少的大小由称为<code>stepSize</code>的属性定义。</span>
<span><code>minimum</code>和<code>maximum</code>属性可以是<code>null</code> ，以表明序列没有下限或上限。</span>
<span>该类中的所有属性都是根据两种通用类型定义的： <code>Number</code>和<code>Comparable</code> ，以便可以容纳所有Java数字类型。</span>
<span>在内部，有只为值类型为原始的一个支持<code>Number</code>类型： <code>Double</code> ， <code>Float</code> ， <code>Long</code> ， <code>Integer</code> ， <code>Short</code> ，或<code>Byte</code> 。</span>
<p> <span>要创建一个<code>SpinnerNumberModel</code>的整数范围从零到一百，五十作为初始值，可以写：</span> </p>
<pre>  <span>Integer value = new Integer(50);
 Integer min = new Integer(0);
 Integer max = new Integer(100);
 Integer step = new Integer(1);
 SpinnerNumberModel model = new SpinnerNumberModel(value, min, max, step);
 int fifty = model.getNumber().intValue();</span> </pre>
<p> <span>用于整数和双打的旋转器是常见的，因此提供了这些情况的特殊构造函数。</span> <span>例如，在前面的例子中创建模型，还可以写：</span> </p>
<pre>  <span>SpinnerNumberModel model = new SpinnerNumberModel(50, 0, 100, 1);</span> </pre>
<p> <span>此模型继承了<code>ChangeListener</code> 。</span> <span>该<code>ChangeListeners</code>通知每当模型<code>value</code> ， <code>stepSize</code> ， <code>minimum</code> ，或<code>maximum</code>性能的变化。</span> </p>
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<dl>
<dt>
<span class="simpleTagLabel">从以下版本开始：</span>
</dt>
<dd>
         1.4 
       </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<span><a href="../../javax/swing/JSpinner.html" title="javax.swing中的类"><code>JSpinner</code></a> ， <a href="../../javax/swing/SpinnerModel.html" title="javax.swing中的接口"><code>SpinnerModel</code></a> ， <a href="../../javax/swing/AbstractSpinnerModel.html" title="javax.swing中的类"><code>AbstractSpinnerModel</code></a> ， <a href="../../javax/swing/SpinnerListModel.html" title="javax.swing中的类"><code>SpinnerListModel</code></a> ， <a href="../../javax/swing/SpinnerDateModel.html" title="javax.swing中的类"><code>SpinnerDateModel</code></a></span>
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<caption>
<span>构造方法</span>
<span class="tabEnd"> </span>
</caption>
<tbody>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#SpinnerNumberModel--">SpinnerNumberModel</a></span>()</code>
<div class="block">
              构造一个 
             <code>SpinnerNumberModel</code> ，没有 
             <code>minimum</code>或 
             <code>maximum</code>值， 
             <code>stepSize</code>等于1，初始值为零。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#SpinnerNumberModel-double-double-double-double-">SpinnerNumberModel</a></span>(double value, double minimum, double maximum, double stepSize)</code>
<div class="block">
              构造一个 
             <code>SpinnerNumberModel</code>具有指定 
             <code>value</code> ， 
             <code>minimum</code> / 
             <code>maximum</code>界限，和 
             <code>stepSize</code> 。 
            </div> </td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#SpinnerNumberModel-int-int-int-int-">SpinnerNumberModel</a></span>(int value, int minimum, int maximum, int stepSize)</code>
<div class="block">
              构造一个 
             <code>SpinnerNumberModel</code>具有指定 
             <code>value</code> ， 
             <code>minimum</code> / 
             <code>maximum</code>界限，和 
             <code>stepSize</code> 。 
            </div> </td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#SpinnerNumberModel-java.lang.Number-java.lang.Comparable-java.lang.Comparable-java.lang.Number-">SpinnerNumberModel</a></span>(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> value, <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> minimum, <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> maximum, <a href="../../java/lang/Number.html" title="class in java.lang">Number</a> stepSize)</code>
<div class="block">
              构造一个 
             <code>SpinnerModel</code> ，表示从 
             <code>minimum</code>到 
             <code>maximum</code>一个封闭序列。 
            </div> </td>
</tr>
</tbody>
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<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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<td class="colFirst"><code><a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getMaximum--">getMaximum</a></span>()</code>
<div class="block">
              返回序列中的最后一个数字。 
            </div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code><a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getMinimum--">getMinimum</a></span>()</code>
<div class="block">
              返回此序列中的第一个数字。 
            </div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getNextValue--">getNextValue</a></span>()</code>
<div class="block">
              返回序列中的下一个数字。 
            </div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code><a href="../../java/lang/Number.html" title="class in java.lang">Number</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getNumber--">getNumber</a></span>()</code>
<div class="block">
              返回序列的当前元素的值。 
            </div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getPreviousValue--">getPreviousValue</a></span>()</code>
<div class="block">
              返回序列中的前一个数字。 
            </div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code><a href="../../java/lang/Number.html" title="class in java.lang">Number</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getStepSize--">getStepSize</a></span>()</code>
<div class="block">
              返回由 
             <code>getNextValue</code>和 
             <code>getPreviousValue</code>方法计算的值变化的大小。 
            </div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code><a href="../../java/lang/Object.html" title="class in java.lang">Object</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#getValue--">getValue</a></span>()</code>
<div class="block">
              返回序列的当前元素的值。 
            </div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#setMaximum-java.lang.Comparable-">setMaximum</a></span>(<a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> maximum)</code>
<div class="block">
              更改此序列中数字的上限。 
            </div> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#setMinimum-java.lang.Comparable-">setMinimum</a></span>(<a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> minimum)</code>
<div class="block">
              更改此序列中数字的下限。 
            </div> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#setStepSize-java.lang.Number-">setStepSize</a></span>(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> stepSize)</code>
<div class="block">
              更改由 
             <code>getNextValue</code>和 
             <code>getPreviousValue</code>方法计算的值变化的大小。 
            </div> </td>
</tr>
<tr class="altColor" id="i10">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/SpinnerNumberModel.html#setValue-java.lang.Object-">setValue</a></span>(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)</code>
<div class="block">
              设置此序列的当前值。 
            </div> </td>
</tr>
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<!-- --> </a> <h3>Methods inherited from class javax.swing.<a href="../../javax/swing/AbstractSpinnerModel.html" title="class in javax.swing">AbstractSpinnerModel</a></h3> <code><a href="../../javax/swing/AbstractSpinnerModel.html#addChangeListener-javax.swing.event.ChangeListener-">addChangeListener</a>, <a href="../../javax/swing/AbstractSpinnerModel.html#fireStateChanged--">fireStateChanged</a>, <a href="../../javax/swing/AbstractSpinnerModel.html#getChangeListeners--">getChangeListeners</a>, <a href="../../javax/swing/AbstractSpinnerModel.html#getListeners-java.lang.Class-">getListeners</a>, <a href="../../javax/swing/AbstractSpinnerModel.html#removeChangeListener-javax.swing.event.ChangeListener-">removeChangeListener</a></code></li>
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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#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#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 class="blockList">
<li class="blockList"> <h4>SpinnerNumberModel</h4> <pre>public SpinnerNumberModel(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> value,
                          <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> minimum,
                          <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> maximum,
                          <a href="../../java/lang/Number.html" title="class in java.lang">Number</a> stepSize)</pre>
<div class="block">
<span>构造一个<code>SpinnerModel</code> ，代表从<code>minimum</code>到<code>maximum</code>一个封闭序列。</span>
<span><code>nextValue</code>和<code>previousValue</code>方法通过分别加或减<code>stepSize</code>来计算序列的元素。</span>
<span>所有参数必须是相互<code>Comparable</code> ， <code>value</code>和<code>stepSize</code>必须的情况下<code>Integer</code> <code>Long</code> ， <code>Float</code> ，或<code>Double</code> 。</span>
<p> <span><code>minimum</code>和<code>maximum</code>参数可以是<code>null</code>来表示范围没有上限或下限。</span> <span>如果<code>value</code>或<code>stepSize</code>是<code>null</code> ，或者如果两个<code>minimum</code>和<code>maximum</code>指定和<code>minimum &gt; maximum</code>那么<code>IllegalArgumentException</code>被抛出。</span> <span>类似地，如果<code>(minimum &lt;= value &lt;= maximum</code> ）为false，则抛出<code>IllegalArgumentException</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>value</code> - 模型的当前（非 
            <code>null</code> ）值 
           </dd>
<dd>
<code>minimum</code> - 序列中的第一个数字或 
            <code>null</code>
</dd>
<dd>
<code>maximum</code> - 序列中的最后一个数字或 
            <code>null</code>
</dd>
<dd>
<code>stepSize</code> - 序列元素之间的差异 
           </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stepSize或值为 
            <code>null</code>或如果以下表达式为false： 
            <code>minimum &lt;= value &lt;= maximum</code>
</dd>
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<li class="blockList"> <h4>SpinnerNumberModel</h4> <pre>public SpinnerNumberModel(int value,
                          int minimum,
                          int maximum,
                          int stepSize)</pre>
<div class="block">
            构造一个 
           <code>SpinnerNumberModel</code>具有指定 
           <code>value</code> ， 
           <code>minimum</code> / 
           <code>maximum</code>界限，和 
           <code>stepSize</code> 。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>value</code> - 模型的当前值 
           </dd>
<dd>
<code>minimum</code> - 序列中的第一个数字 
           </dd>
<dd>
<code>maximum</code> - 序列中的最后一个数字 
           </dd>
<dd>
<code>stepSize</code> - 序列元素之间的差异 
           </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> - 如果以下表达式为false： 
            <code>minimum &lt;= value &lt;= maximum</code>
</dd>
</dl> </li>
</ul> <a name="SpinnerNumberModel-double-double-double-double-">
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<ul class="blockList">
<li class="blockList"> <h4>SpinnerNumberModel</h4> <pre>public SpinnerNumberModel(double value,
                          double minimum,
                          double maximum,
                          double stepSize)</pre>
<div class="block">
            构造一个 
           <code>SpinnerNumberModel</code>具有指定 
           <code>value</code> ， 
           <code>minimum</code> / 
           <code>maximum</code>界限，和 
           <code>stepSize</code> 。 
          </div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>value</code> - 模型的当前值 
           </dd>
<dd>
<code>minimum</code> - 序列中的第一个数字 
           </dd>
<dd>
<code>maximum</code> - 序列中的最后一个数字 
           </dd>
<dd>
<code>stepSize</code> - 序列元素之间的差异 
           </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> - 如果以下表达式为false： 
            <code>minimum &lt;= value &lt;= maximum</code>
</dd>
</dl> </li>
</ul> <a name="SpinnerNumberModel--">
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<ul class="blockListLast">
<li class="blockList"> <h4>SpinnerNumberModel</h4> <pre>public SpinnerNumberModel()</pre>
<div class="block">
            构造一个 
           <code>SpinnerNumberModel</code> ，没有 
           <code>minimum</code>或 
           <code>maximum</code>值， 
           <code>stepSize</code>等于1，初始值为零。 
          </div> </li>
</ul> </li>
</ul>
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<li class="blockList"> <h4>setMinimum</h4> <pre>public void setMinimum(<a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> minimum)</pre>
<div class="block">
<span>更改此序列中数字的下限。</span>
<span>如果<code>minimum</code>是<code>null</code> ，那么没有下限。</span>
<span>没有限制检查在这里完成</span>
<span>新的<code>minimum</code>值可能会使<code>(minimum &lt;= value &lt;= maximum)</code>函数执行的(minimum &lt;= value &lt;= maximum)不变量无效。</span>
<span>这是为了简化更新该模式，自然应该确保该等式是调用之前真正<code>getNextValue</code> ， <code>getPreviousValue</code> ，或<code>setValue</code>方法。</span>
<p> <span>典型地，这个属性是一个<code>Number</code>的相同类型的<code>value</code>然而有可能使用任何<code>Comparable</code>与<code>compareTo</code>方法用于<code>Number</code>用相同类型作为值。</span> <span>例如，如果值是<code>Long</code> ， <code>minimum</code>可能是这样定义的Date子类：</span> </p>
<pre>  <span>MyDate extends Date {  // Date already implements Comparable
     public int compareTo(Long o) {
         long t = getTime();
         return (t &lt; o.longValue() ? -1 : (t == o.longValue() ? 0 : 1));
     }
 }</span> </pre>
<p> <span>如果<code>minimum</code>已更改，此方法将触发<code>ChangeEvent</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>minimum</code> - 一个 
            <code>Comparable</code> ，具有 
            <code>compareTo</code>的 
            <code>Number</code>与 
            <code>Number</code>相同的 
            <code>value</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#getMinimum--"><code>getMinimum()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#setMaximum-java.lang.Comparable-"><code>setMaximum(java.lang.Comparable)</code></a> ， 
            <a href="../../javax/swing/SpinnerModel.html#addChangeListener-javax.swing.event.ChangeListener-"><code>SpinnerModel.addChangeListener(javax.swing.event.ChangeListener)</code></a>
</dd>
</dl> </li>
</ul> <a name="getMinimum--">
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<ul class="blockList">
<li class="blockList"> <h4>getMinimum</h4> <pre>public <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> getMinimum()</pre>
<div class="block">
            返回此序列中的第一个数字。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             的价值 
            <code>minimum</code>财产 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#setMinimum-java.lang.Comparable-"><code>setMinimum(java.lang.Comparable)</code></a>
</dd>
</dl> </li>
</ul> <a name="setMaximum-java.lang.Comparable-">
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<ul class="blockList">
<li class="blockList"> <h4>setMaximum</h4> <pre>public void setMaximum(<a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> maximum)</pre>
<div class="block">
<span>更改此序列中数字的上限。</span>
<span>如果<code>maximum</code>是<code>null</code> ，那么没有上限。</span>
<span>没有限制检查在这里完成</span>
<span>新的<code>maximum</code>值可能会使<code>(minimum &lt;= value &lt; maximum)</code>函数执行的(minimum &lt;= value &lt; maximum)不变量失效。</span>
<span>这是为了简化更新该模式，自然应该确保该等式是调用之前真正<code>next</code> ， <code>previous</code> ，或<code>setValue</code>方法。</span>
<p> <span>典型地，这个属性是一个<code>Number</code>的相同类型的<code>value</code>然而有可能使用任何<code>Comparable</code>与<code>compareTo</code>方法用于<code>Number</code>用相同类型作为值。</span> <span>参见<a href="#setMinimum(java.lang.Comparable)"><code>setMinimum</code></a>的一个例子。</span> </p>
<p> <span>如果<code>maximum</code>已更改，此方法将触发<code>ChangeEvent</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>maximum</code> -一个 
            <code>Comparable</code>具有 
            <code>compareTo</code>为方法 
            <code>Number</code> s的相同类型 
            <code>value</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#getMaximum--"><code>getMaximum()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#setMinimum-java.lang.Comparable-"><code>setMinimum(java.lang.Comparable)</code></a> ， 
            <a href="../../javax/swing/SpinnerModel.html#addChangeListener-javax.swing.event.ChangeListener-"><code>SpinnerModel.addChangeListener(javax.swing.event.ChangeListener)</code></a>
</dd>
</dl> </li>
</ul> <a name="getMaximum--">
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<ul class="blockList">
<li class="blockList"> <h4>getMaximum</h4> <pre>public <a href="../../java/lang/Comparable.html" title="interface in java.lang">Comparable</a> getMaximum()</pre>
<div class="block">
            返回序列中的最后一个数字。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             的价值 
            <code>maximum</code>属性 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#setMaximum-java.lang.Comparable-"><code>setMaximum(java.lang.Comparable)</code></a>
</dd>
</dl> </li>
</ul> <a name="setStepSize-java.lang.Number-">
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<ul class="blockList">
<li class="blockList"> <h4>setStepSize</h4> <pre>public void setStepSize(<a href="../../java/lang/Number.html" title="class in java.lang">Number</a> stepSize)</pre>
<div class="block">
<span>更改由<code>getNextValue</code>和<code>getPreviousValue</code>方法计算的值变化的大小。</span>
<span>一个<code>IllegalArgumentException</code>如果抛出<code>stepSize</code>是<code>null</code> 。</span>
<p> <span>如果<code>stepSize</code>已更改，此方法将触发<code>ChangeEvent</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>stepSize</code> - 由 
            <code>getNextValue</code>和 
            <code>getPreviousValue</code>方法计算的价值变动的大小 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#getNextValue--"><code>getNextValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getPreviousValue--"><code>getPreviousValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getStepSize--"><code>getStepSize()</code></a> ， 
            <a href="../../javax/swing/SpinnerModel.html#addChangeListener-javax.swing.event.ChangeListener-"><code>SpinnerModel.addChangeListener(javax.swing.event.ChangeListener)</code></a>
</dd>
</dl> </li>
</ul> <a name="getStepSize--">
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<ul class="blockList">
<li class="blockList"> <h4>getStepSize</h4> <pre>public <a href="../../java/lang/Number.html" title="class in java.lang">Number</a> getStepSize()</pre>
<div class="block">
            返回由 
           <code>getNextValue</code>和 
           <code>getPreviousValue</code>方法计算的值变化的大小。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             该值为 
            <code>stepSize</code>属性 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#setStepSize-java.lang.Number-"><code>setStepSize(java.lang.Number)</code></a>
</dd>
</dl> </li>
</ul> <a name="getNextValue--">
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<ul class="blockList">
<li class="blockList"> <h4>getNextValue</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getNextValue()</pre>
<div class="block">
            返回序列中的下一个数字。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/SpinnerModel.html#getNextValue--">getNextValue</a></code>在界面 
            <code><a href="../../javax/swing/SpinnerModel.html" title="interface in javax.swing">SpinnerModel</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>value + stepSize</code>或 
            <code>null</code>如果总和超过 
            <code>maximum</code> 。 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerModel.html#getNextValue--"><code>SpinnerModel.getNextValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getPreviousValue--"><code>getPreviousValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#setStepSize-java.lang.Number-"><code>setStepSize(java.lang.Number)</code></a>
</dd>
</dl> </li>
</ul> <a name="getPreviousValue--">
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<ul class="blockList">
<li class="blockList"> <h4>getPreviousValue</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getPreviousValue()</pre>
<div class="block">
            返回序列中的前一个数字。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/SpinnerModel.html#getPreviousValue--">getPreviousValue</a></code>在接口 
            <code><a href="../../javax/swing/SpinnerModel.html" title="interface in javax.swing">SpinnerModel</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<code>value - stepSize</code>或 
            <code>null</code>如果总和小于 
            <code>minimum</code> 。 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerModel.html#getPreviousValue--"><code>SpinnerModel.getPreviousValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getNextValue--"><code>getNextValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#setStepSize-java.lang.Number-"><code>setStepSize(java.lang.Number)</code></a>
</dd>
</dl> </li>
</ul> <a name="getNumber--">
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<ul class="blockList">
<li class="blockList"> <h4>getNumber</h4> <pre>public <a href="../../java/lang/Number.html" title="class in java.lang">Number</a> getNumber()</pre>
<div class="block">
            返回序列的当前元素的值。 
          </div>
<dl>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             值属性 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#setValue-java.lang.Object-"><code>setValue(java.lang.Object)</code></a>
</dd>
</dl> </li>
</ul> <a name="getValue--">
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<ul class="blockList">
<li class="blockList"> <h4>getValue</h4> <pre>public <a href="../../java/lang/Object.html" title="class in java.lang">Object</a> getValue()</pre>
<div class="block">
            返回序列的当前元素的值。 
          </div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/SpinnerModel.html#getValue--">getValue</a></code>在界面 
            <code><a href="../../javax/swing/SpinnerModel.html" title="interface in javax.swing">SpinnerModel</a></code>
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
             值属性 
           </dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#setValue-java.lang.Object-"><code>setValue(java.lang.Object)</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getNumber--"><code>getNumber()</code></a>
</dd>
</dl> </li>
</ul> <a name="setValue-java.lang.Object-">
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<ul class="blockListLast">
<li class="blockList"> <h4>setValue</h4> <pre>public void setValue(<a href="../../java/lang/Object.html" title="class in java.lang">Object</a> value)</pre>
<div class="block">
<span>设置此序列的当前值。</span>
<span>如果<code>value</code>是<code>null</code> ，或者不是<code>Number</code> ，则抛出一个<code>IllegalArgumentException</code> 。</span>
<span>没有限制检查在这里完成</span>
<span>新值可能使<code>(minimum &lt;= value &lt;= maximum)</code>函数执行的(minimum &lt;= value &lt;= maximum)不变量无效。</span>
<span>也可以将该值设置为序列中不会自然发生的值，即不对stepSize进行模数化的<code>stepSize</code> 。</span>
<span>这是为了简化更新模型，并适应不想限制用户直接输入的值的旋转器。</span>
<span>当然，应该确保<code>(minimum &lt;= value &lt;= maximum)</code>不变的是调用之前真正<code>next</code> ， <code>previous</code> ，或<code>setValue</code>方法。</span>
<p> <span>如果值已更改，此方法将触发<code>ChangeEvent</code> 。</span> </p>
</div>
<dl>
<dt>
<span class="overrideSpecifyLabel">Specified by:</span>
</dt>
<dd>
<code><a href="../../javax/swing/SpinnerModel.html#setValue-java.lang.Object-">setValue</a></code>在界面 
            <code><a href="../../javax/swing/SpinnerModel.html" title="interface in javax.swing">SpinnerModel</a></code>
</dd>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>value</code> - 该序列的当前（非 
            <code>null</code> ） 
            <code>Number</code>
</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>value</code>是 
            <code>null</code>或不是 
            <code>Number</code>
</dd>
<dt>
<span class="seeLabel">另请参见：</span>
</dt>
<dd>
<a href="../../javax/swing/SpinnerNumberModel.html#getNumber--"><code>getNumber()</code></a> ， 
            <a href="../../javax/swing/SpinnerNumberModel.html#getValue--"><code>getValue()</code></a> ， 
            <a href="../../javax/swing/SpinnerModel.html#addChangeListener-javax.swing.event.ChangeListener-"><code>SpinnerModel.addChangeListener(javax.swing.event.ChangeListener)</code></a>
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>