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78 lines
3.9 KiB
HTML
78 lines
3.9 KiB
HTML
<div class="header">
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javax.xml.bind.annotation
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<h2 class="title" title="Annotation Type XmlSeeAlso">Annotation Type XmlSeeAlso</h2>
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<div class="description">
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<hr/> <br/> <pre><a href="../../../../java/lang/annotation/Target.html" title="annotation in java.lang.annotation">@Target</a>(<a href="../../../../java/lang/annotation/Target.html#value--">value</a>=<a href="../../../../java/lang/annotation/ElementType.html#TYPE">TYPE</a>)
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<a href="../../../../java/lang/annotation/Retention.html" title="annotation in java.lang.annotation">@Retention</a>(<a href="../../../../java/lang/annotation/Retention.html#value--">value</a>=<a href="../../../../java/lang/annotation/RetentionPolicy.html#RUNTIME">RUNTIME</a>)
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public @interface <span class="memberNameLabel">XmlSeeAlso</span></pre>
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<div class="block">
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<span>指示JAXB在绑定此类时也绑定其他类。</span>
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<p> <span>Java使列表给定类的所有子类变得不切实际/不可能。</span> <span>这通常会让JAXB用户受益，因为JAXB无法自动列出<code>JAXBContext</code>需要知道的<a href="../../../../javax/xml/bind/JAXBContext.html" title="javax.xml.bind中的类">类</a> 。</span> </p>
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<p> <span>例如，使用以下类定义：</span> </p>
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<pre> <span>class Animal {}
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class Dog extends Animal {}
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class Cat extends Animal {}</span> </pre>
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<p> <span>用户将需要创建<a href="../../../../javax/xml/bind/JAXBContext.html" title="javax.xml.bind中的类"><code>JAXBContext</code></a>为<tt>JAXBContext.newInstance(Dog.class,Cat.class)</tt> （ <tt>Animal</tt>将自动从<tt>Dog</tt>和<tt>Cat</tt>引用）。</span> </p>
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<p> <span><a href="../../../../javax/xml/bind/annotation/XmlSeeAlso.html" title="javax.xml.bind.annotation中的注释"><code>XmlSeeAlso</code></a>注释将允许你写：</span> </p>
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<pre> <span>@XmlSeeAlso({Dog.class,Cat.class})
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class Animal {}
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class Dog extends Animal {}
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class Cat extends Animal {}</span> </pre>
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<p> <span>这将允许你做<tt>JAXBContext.newInstance(Animal.class)</tt> 。</span> <span>在这个注释的帮助下，JAXB实现将能够正确地绑定<tt>Dog</tt>和<tt>Cat</tt> 。</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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JAXB2.1
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</dd>
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</dl> </li>
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</ul>
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<div class="summary">
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<!-- =========== ANNOTATION TYPE REQUIRED MEMBER SUMMARY =========== -->
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<ul class="blockList">
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<li class="blockList"><a name="annotation.type.required.element.summary">
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<!-- --> </a> <h3>Required Element Summary</h3>
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<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Required Element Summary table, listing required elements, and an explanation">
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<caption>
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<span>Required Elements</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">Required Element and Description</th>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code><a href="../../../../java/lang/Class.html" title="class in java.lang">类</a>[]</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../javax/xml/bind/annotation/XmlSeeAlso.html#value--">value</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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<div class="details">
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<!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== -->
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<li class="blockList"><a name="annotation.type.element.detail">
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<!-- --> </a> <h3>Element Detail</h3> <a name="value--">
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<!-- --> </a>
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<ul class="blockListLast">
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<li class="blockList"> <h4>value</h4> <pre>public abstract <a href="../../../../java/lang/Class.html" title="class in java.lang">类</a>[] value</pre> </li>
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</ul> </li>
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