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727 lines
31 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 Spring">Class Spring</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.Spring</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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<hr/> <br/> <pre>public abstract class <span class="typeNameLabel">Spring</span>
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extends <a href="../../java/lang/Object.html" title="class in java.lang">Object</a></pre>
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<div class="block">
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<span><code>Spring</code>类的一个实例包含三个表征其行为的属性: <em>最小值</em> , <em>优选</em>值和<em>最大值</em> 。</span>
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<span>这些属性中的每一个都可以参与基于一系列规则来定义其第四个, <em>值</em>属性。</span>
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<p> <span><code>Spring</code>类的一个实例可以被可视化为机械弹簧,当弹簧被压缩或拉伸远离其优选值时,其提供校正力。</span> <span>该力被建模为距离优选值的距离的线性函数,但是具有两个不同的常数 - 一个用于压缩力,一个用于张力。</span> <span>这些常数由弹簧的最小值和最大值指定,使得其最小值处的弹簧产生与当其处于其最大值时产生的相等和相反的力。</span> <span>因此,优选值和<em>最小值</em>之间的<em>差值</em>表示弹簧可以被压缩的容易程度,其<em>最大值</em>和<em>优选</em>值之间的<code>Spring</code>可以扩展Spring的容易程度。</span> <span>有关详细信息,请参阅<a href="../../javax/swing/Spring.html#sum-javax.swing.Spring-javax.swing.Spring-"><code>sum(javax.swing.Spring, javax.swing.Spring)</code></a>方法。</span> </p>
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<p> <span>通过在定义简单的算术运算<code>Spring</code> S,的集合的行为<code>Spring</code> s时,可以减少到一个普通的(非复合) <code>Spring</code> 。</span> <span>我们在<code>Spring</code> s上定义“+”,“ - ”, <em>最大</em>和<em>最小</em>运算<code>Spring</code> ,因此在每个情况下,结果是一个<code>Spring</code> ,其特征与其组成弹簧具有有用的数学关系。</span> </p>
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<p> <span>A <code>Spring</code>可以被视为具有单个公共点的一对间隔:优选值。</span> <span>以下规则定义了一些可应用于间隔的<code>a</code>符( <code>[a, b]</code>指的是从<code>a</code>到<code>b</code>的间隔,其中<code>a <= b</code> )。</span> </p>
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<pre> <span>[a1, b1] + [a2, b2] = [a1 + a2, b1 + b2]
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-[a, b] = [-b, -a]
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max([a1, b1], [a2, b2]) = [max(a1, a2), max(b1, b2)]</span> </pre>
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<p> <span>如果我们将<code>Spring</code>表示为<code>[a, b, c]</code> ,其中<code>a <= b <= c</code> ,我们可以在<code>Spring</code> s上定义相同的算术运算<code>Spring</code> :</span> </p>
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<pre> <span>[a1, b1, c1] + [a2, b2, c2] = [a1 + a2, b1 + b2, c1 + c2]
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-[a, b, c] = [-c, -b, -a]
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max([a1, b1, c1], [a2, b2, c2]) = [max(a1, a2), max(b1, b2), max(c1, c2)]</span> </pre>
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<p> <span>两个间隔和<code>Spring</code>我们可以定义“ - ”和<em>最小</em>的否定:</span> </p>
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<pre> <span>X - Y = X + (-Y)
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min(X, Y) = -max(-X, -Y)</span> </pre>
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<p> <span>对于体现算术运算符的这个类中的静态方法,我们实际上并不执行有问题的操作,因为在调用静态方法时,将快照该方法参数的属性的值。</span> <span>相反,静态方法创建一个新的<code>Spring</code>实例,其中包含对方法参数的引用,以便新弹簧的特征跟踪弹簧的潜在变化特征。</span> <span>这有点像功能语言中<em>懒惰价值</em>的想法。</span> </p>
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<p> <span>如果要实现一个<code>SpringLayout</code> ,您可以找到进一步的信息和例子<a href="http://docs.oracle.com/javase/tutorial/uiswing/layout/spring.html">How to Use SpringLayout</a> ,在<em>Java教程</em>的部分<em>。</em></span> </p>
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<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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</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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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<span><a href="../../javax/swing/SpringLayout.html" title="javax.swing中的类"><code>SpringLayout</code></a> , <a href="../../javax/swing/SpringLayout.Constraints.html" title="javax.swing中的类"><code>SpringLayout.Constraints</code></a></span>
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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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<!-- =========== FIELD SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="field.summary">
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<!-- --> </a> <h3>Field Summary</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Field Summary table, listing fields, and an explanation">
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<caption>
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<span>Fields</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="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Field and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#UNSET">UNSET</a></span></code>
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<div class="block">
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表示属性值尚未计算的整数值。
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</div> </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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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<ul class="blockList">
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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="colFirst" scope="col">Modifier</th>
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<th class="colLast" scope="col">Constructor and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected </code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#Spring--">Spring</a></span>()</code>
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<div class="block">
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用工厂方法创建一个
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<code>Spring</code> 。
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</div> </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="t1"><span><a href="javascript:show(1);">静态方法</a></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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#constant-int-">constant</a></span>(int pref)</code>
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<div class="block">
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返回一个支柱 - 一个弹簧,其
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<em>最小值</em> ,
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<em>首选</em>值和
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<em>最大值</em>各自具有值
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<code>pref</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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#constant-int-int-int-">constant</a></span>(int min, int pref, int max)</code>
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<div class="block">
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返回弹簧,其
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<em>最小</em> ,
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<em>优选的</em> ,并且
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<em>最大</em>值具有以下值:
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<code>min</code> ,
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<code>pref</code>和
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<code>max</code>分别。
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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>abstract int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#getMaximumValue--">getMaximumValue</a></span>()</code>
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<div class="block">
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返回此
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<code>Spring</code>的
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<em>最大值</em> 。
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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>abstract int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#getMinimumValue--">getMinimumValue</a></span>()</code>
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<div class="block">
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返回此的
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<em>最小值</em>
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<code>Spring</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>abstract int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#getPreferredValue--">getPreferredValue</a></span>()</code>
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<div class="block">
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返回此的
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<em>优选</em>值
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<code>Spring</code> 。
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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>abstract int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#getValue--">getValue</a></span>()</code>
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<div class="block">
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返回此
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<code>Spring</code>的当前
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<em>值</em> 。
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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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#height-java.awt.Component-">height</a></span>(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</code>
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<div class="block">
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返回一个弹簧,其
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<em>最小值</em> ,
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<em>首选</em>
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<em>值</em> ,
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<em>最大值</em>和
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<em>值</em>属性由所提供组件的
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<em>minimumSize</em> ,
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<em>preferredSize</em> ,
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<em>maximumSize</em>和
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<em>size</em>属性的高度定义。
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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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#max-javax.swing.Spring-javax.swing.Spring-">max</a></span>(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s1, <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s2)</code>
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<div class="block">
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返回
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<code>max(s1, s2)</code> :一个弹簧的值始终大于(或等于)
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<code>s1</code>和
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<code>s2</code>的值。
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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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#minus-javax.swing.Spring-">minus</a></span>(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s)</code>
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<div class="block">
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返回
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<code>-s</code> :一个弹簧以相反的方向运行到
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<code>s</code> 。
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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>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#scale-javax.swing.Spring-float-">scale</a></span>(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s, float factor)</code>
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<div class="block">
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返回一个弹簧,其
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<em>最小值</em> ,
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<em>优选</em>
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<em>值</em> ,
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<em>最大值</em>和
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<em>值</em>属性均为参数spring
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<code>s</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 void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#setValue-int-">setValue</a></span>(int value)</code>
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<div class="block">
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将此
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<code>Spring</code>的当前
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<em>值</em>设置为
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<code>value</code> 。
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</div> </td>
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</tr>
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<tr class="rowColor" id="i11">
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<td class="colFirst"><code>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#sum-javax.swing.Spring-javax.swing.Spring-">sum</a></span>(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s1, <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s2)</code>
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<div class="block">
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返回
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<code>s1+s2</code> :一个春天,代表
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<code>s1</code>和
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<code>s2</code>系列。
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</div> </td>
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</tr>
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<tr class="altColor" id="i12">
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<td class="colFirst"><code>static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a></code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../javax/swing/Spring.html#width-java.awt.Component-">width</a></span>(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</code>
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<div class="block">
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返回一个弹簧,其
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<em>最小值</em> ,
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<em>首选</em>
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<em>值</em> ,
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<em>最大值</em>和
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<em>值</em>属性由所提供组件的
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<em>minimumSize</em> ,
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<em>preferredSize</em> ,
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<em>maximumSize</em>和
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<em>size</em>属性的宽度定义。
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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#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> </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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<!-- ============ FIELD DETAIL =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="field.detail">
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<!-- --> </a> <h3>字段详细信息</h3> <a name="UNSET">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>UNSET</h4> <pre>public static final int UNSET</pre>
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<div class="block">
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表示属性值尚未计算的整数值。
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</div>
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<dl>
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<dt>
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<span class="seeLabel">另请参见:</span>
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</dt>
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<dd>
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<a href="../../constant-values.html#javax.swing.Spring.UNSET">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> </li>
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</ul>
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<!-- ========= CONSTRUCTOR DETAIL ======== -->
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用工厂方法用来创建一个
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<code>Spring</code> 。
|
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|
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<dl>
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<dt>
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<span class="seeLabel">另请参见:</span>
|
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</dt>
|
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<dd>
|
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<span><a href="../../javax/swing/Spring.html#constant-int-"><code>constant(int)</code></a> , <a href="../../javax/swing/Spring.html#constant-int-int-int-"><code>constant(int, int, int)</code></a> , <a href="../../javax/swing/Spring.html#max-javax.swing.Spring-javax.swing.Spring-"><code>max(javax.swing.Spring, javax.swing.Spring)</code></a> , <a href="../../javax/swing/Spring.html#minus-javax.swing.Spring-"><code>minus(javax.swing.Spring)</code></a> , <a href="../../javax/swing/Spring.html#sum-javax.swing.Spring-javax.swing.Spring-"><code>sum(javax.swing.Spring, javax.swing.Spring)</code></a> , <a href="../../javax/swing/SpringLayout.Constraints.html" title="javax.swing中的类"><code>SpringLayout.Constraints</code></a></span>
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</dd>
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<li class="blockList"> <h4>getMinimumValue</h4> <pre>public abstract int getMinimumValue()</pre>
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<div class="block">
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返回此的
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<em>最小值</em>
|
||
<code>Spring</code> 。
|
||
</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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这
|
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<code>minimumValue</code>的这个
|
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<code>Spring</code>属性
|
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<div class="block">
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返回此的
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<em>优选</em>值
|
||
<code>Spring</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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这
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<code>preferredValue</code>的
|
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<code>Spring</code>
|
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<div class="block">
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返回此
|
||
<code>Spring</code>的
|
||
<em>最大值</em> 。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
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<code>maximumValue</code>这个
|
||
<code>Spring</code>
|
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</dd>
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<li class="blockList"> <h4>getValue</h4> <pre>public abstract int getValue()</pre>
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<div class="block">
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返回此
|
||
<code>Spring</code>的当前
|
||
<em>值</em> 。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
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</dt>
|
||
<dd>
|
||
<code>value</code>这个
|
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<code>Spring</code>属性
|
||
</dd>
|
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<dt>
|
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<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
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<dd>
|
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<a href="../../javax/swing/Spring.html#setValue-int-"><code>setValue(int)</code></a>
|
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</dd>
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</dl> </li>
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</ul> <a name="setValue-int-">
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<li class="blockList"> <h4>setValue</h4> <pre>public abstract void setValue(int value)</pre>
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<div class="block">
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将此
|
||
<code>Spring</code>的当前
|
||
<em>值</em>设置为
|
||
<code>value</code> 。
|
||
</div>
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<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>value</code> - 新设置的
|
||
<code>value</code>属性
|
||
</dd>
|
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<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../javax/swing/Spring.html#getValue--"><code>getValue()</code></a>
|
||
</dd>
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</dl> </li>
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</ul> <a name="constant-int-">
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<ul class="blockList">
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<li class="blockList"> <h4>constant</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> constant(int pref)</pre>
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<div class="block">
|
||
返回一个支柱 - 一个弹簧,其
|
||
<em>最小值</em> ,
|
||
<em>优选</em>值和
|
||
<em>最大值</em>
|
||
<code>pref</code> 。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>pref</code> - 新弹簧的
|
||
<em>最小值</em> ,
|
||
<em>首选</em>值和
|
||
<em>最大值</em>
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
一个弹簧,其
|
||
<em>最小</em> ,
|
||
<em>优选的</em> ,并且
|
||
<em>最大</em>值每个都有值
|
||
<code>pref</code>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../javax/swing/Spring.html" title="javax.swing中的类"><code>Spring</code></a></span>
|
||
</dd>
|
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</dl> </li>
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</ul> <a name="constant-int-int-int-">
|
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<ul class="blockList">
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<li class="blockList"> <h4>constant</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> constant(int min,
|
||
int pref,
|
||
int max)</pre>
|
||
<div class="block">
|
||
返回弹簧,其
|
||
<em>最小</em> ,
|
||
<em>优选的</em> ,并且
|
||
<em>最大</em>值具有以下值:
|
||
<code>min</code> ,
|
||
<code>pref</code>和
|
||
<code>max</code>分别。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>min</code> - 新弹簧的
|
||
<em>最小值</em>
|
||
</dd>
|
||
<dd>
|
||
<code>pref</code> -
|
||
<em>新春的首选</em>值
|
||
</dd>
|
||
<dd>
|
||
<code>max</code> - 新弹簧的
|
||
<em>最大值</em>
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
一个弹簧,其
|
||
<em>最小</em> ,
|
||
<em>优选的</em> ,并且
|
||
<em>最大</em>值具有以下值:
|
||
<code>min</code> ,
|
||
<code>pref</code>和
|
||
<code>max</code>分别
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../javax/swing/Spring.html" title="javax.swing中的类"><code>Spring</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="minus-javax.swing.Spring-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>minus</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> minus(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s)</pre>
|
||
<div class="block">
|
||
返回
|
||
<code>-s</code> :在相反方向运行的弹簧
|
||
<code>s</code> 。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>-s</code> :一个弹簧以相反的方向运行到
|
||
<code>s</code>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../javax/swing/Spring.html" title="javax.swing中的类"><code>Spring</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="sum-javax.swing.Spring-javax.swing.Spring-">
|
||
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|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>sum</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> sum(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s1,
|
||
<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s2)</pre>
|
||
<div class="block">
|
||
<span>返回<code>s1+s2</code> :一个春天代表<code>s1</code>和<code>s2</code>串联。</span>
|
||
<span>在一个总和, <code>s3</code> ,两个弹簧中, <code>s1</code>和<code>s2</code> ,的<em>菌株</em> <code>s1</code> , <code>s2</code>和<code>s3</code>被保持在相同的水平(由它们的整数<em>值</em> s隐含的精度内)。</span>
|
||
<span>压缩弹簧的应变是:</span>
|
||
<pre> <span>value - pref
|
||
------------
|
||
pref - min</span> </pre>
|
||
<span>张力弹簧的应变是:</span>
|
||
<pre> <span>value - pref
|
||
------------
|
||
max - pref</span> </pre>
|
||
<span>当<code>setValue</code>上调用的总和弹簧, <code>s3</code> ,在应变<code>s3</code>被使用上面的公式之一来计算。</span>
|
||
<span>一旦和的应变已知,则设定<code>s1</code>和<code>s2</code>的<em>值</em> s,使得它们具有等于和的应变。</span>
|
||
<span>对公式进行评估,以考虑舍入误差,并确保<code>s1</code>和<code>s2</code>的<em>值</em> s的<code>s1</code>等于<code>s3</code>的<em>值</em> 。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>s1+s2</code>
|
||
<code>s1</code>和
|
||
<code>s2</code>的春季系列
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../javax/swing/Spring.html" title="javax.swing中的类"><code>Spring</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="max-javax.swing.Spring-javax.swing.Spring-">
|
||
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|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>max</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> max(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s1,
|
||
<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s2)</pre>
|
||
<div class="block">
|
||
返回
|
||
<code>max(s1, s2)</code> :一个弹簧的值始终大于(或等于)
|
||
<code>s1</code>和
|
||
<code>s2</code>的值。
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
<code>max(s1, s2)</code> :一个弹簧的值总是大于(或等于)
|
||
<code>s1</code>和
|
||
<code>s2</code>的值
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见:</span>
|
||
</dt>
|
||
<dd>
|
||
<span><a href="../../javax/swing/Spring.html" title="javax.swing中的类"><code>Spring</code></a></span>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="scale-javax.swing.Spring-float-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>scale</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> scale(<a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> s,
|
||
float factor)</pre>
|
||
<div class="block">
|
||
<span>返回一个弹簧,其<em>最小值</em> , <em>优选</em> <em>值</em> , <em>最大值</em>和<em>值</em>属性均为参数spring <code>s</code> 。</span>
|
||
<span>当<code>factor</code>为负时(根据间隔算术的规则),最小和最大属性被交换。</span>
|
||
<p> <span>当因素例如为0.5f时,结果表示其输入的“中点” - 这对于将容器中的组件置于中心是有用的操作。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>s</code> - 春天的规模
|
||
</dd>
|
||
<dd>
|
||
<code>factor</code> - 按比例计算。
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
弹簧的特性是输入弹簧
|
||
<code>s</code>乘以
|
||
<code>factor</code>
|
||
</dd>
|
||
<dt>
|
||
<span class="throwsLabel">异常</span>
|
||
</dt>
|
||
<dd>
|
||
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
|
||
<code>s</code>为空
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始:</span>
|
||
</dt>
|
||
<dd>
|
||
1.5
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="width-java.awt.Component-">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>width</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> width(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</pre>
|
||
<div class="block">
|
||
<span>返回一个弹簧,其<em>最小值</em> , <em>首选</em> <em>值</em> , <em>最大值</em>和<em>值</em>属性由所提供组件的<em>minimumSize</em> , <em>preferredSize</em> , <em>maximumSize</em>和<em>size</em>属性的宽度定义。</span>
|
||
<span>返回的spring是一个'wrapper'实现,它的方法调用了提供的组件的适当大小的方法。</span>
|
||
<span>因此,返回的弹簧的最小值,优选值,最大值和值属性报告组件中适当属性的当前状态,并在它们发生变化时跟踪它们。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>c</code> - 用于计算大小的组件
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
一个弹簧,其属性由组件尺寸方法的水平分量定义。
|
||
</dd>
|
||
<dt>
|
||
<span class="throwsLabel">异常</span>
|
||
</dt>
|
||
<dd>
|
||
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
|
||
<code>c</code>为空
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始:</span>
|
||
</dt>
|
||
<dd>
|
||
1.5
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="height-java.awt.Component-">
|
||
<!-- --> </a>
|
||
<ul class="blockListLast">
|
||
<li class="blockList"> <h4>height</h4> <pre>public static <a href="../../javax/swing/Spring.html" title="class in javax.swing">Spring</a> height(<a href="../../java/awt/Component.html" title="class in java.awt">Component</a> c)</pre>
|
||
<div class="block">
|
||
<span>返回一个弹簧,其<em>最小值</em> , <em>首选</em> <em>值</em> , <em>最大值</em>和<em>值</em>属性由所提供组件的<em>minimumSize</em> , <em>preferredSize</em> , <em>maximumSize</em>和<em>size</em>属性的高度定义。</span>
|
||
<span>返回的spring是一个'wrapper'实现,它的方法调用了提供的组件的适当大小的方法。</span>
|
||
<span>因此,返回的弹簧的最小值,优选值,最大值和值属性报告组件中适当属性的当前状态,并在它们发生变化时跟踪它们。</span>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="paramLabel">参数</span>
|
||
</dt>
|
||
<dd>
|
||
<code>c</code> - 用于计算大小的组件
|
||
</dd>
|
||
<dt>
|
||
<span class="returnLabel">结果</span>
|
||
</dt>
|
||
<dd>
|
||
一个弹簧,其属性由组件尺寸方法的垂直分量定义。
|
||
</dd>
|
||
<dt>
|
||
<span class="throwsLabel">异常</span>
|
||
</dt>
|
||
<dd>
|
||
<code><a href="../../java/lang/NullPointerException.html" title="class in java.lang">NullPointerException</a></code> - 如果
|
||
<code>c</code>为空
|
||
</dd>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始:</span>
|
||
</dt>
|
||
<dd>
|
||
1.5
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |