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123 lines
5.5 KiB
HTML
123 lines
5.5 KiB
HTML
<div class="header">
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javax.xml.bind.annotation
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<h2 class="title" title="Annotation Type XmlEnumValue">Annotation Type XmlEnumValue</h2>
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</div><div class="contentContainer">
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<div class="description">
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<hr/> <br/> <pre><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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<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#FIELD">字段</a>)
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public @interface <span class="memberNameLabel">XmlEnumValue</span></pre>
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<div class="block">
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<span>将一个枚举常数映射到<a href="../../../../java/lang/Enum.html" title="java.lang中的类"><code>Enum</code></a>类型到XML表示。</span>
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<p> <span><b>用法</b></span> </p>
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<p> <span><tt>@XmlEnumValue</tt>注释可以与以下程序元素一起使用：</span> </p>
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<ul>
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<li> <span>枚举常数</span> </li>
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</ul>
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<p> <span>有关其他常见信息，请参阅javax.xml.bind.package javadoc中的“Package Specification”。</span> </p>
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<p> <span>该注释与<a href="../../../../javax/xml/bind/annotation/XmlEnum.html" title="javax.xml.bind.annotation中的注释"><code>XmlEnum</code></a>一起提供了枚举类型到XML表示的映射。</span> </p>
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<p> <span>枚举类型映射到具有枚举方面的模式简单类型。</span> <span>模式类型派生自@XmlEnum.value()中<tt>指定</tt>的Java类型。</span> <span>每个枚举常量<tt>@XmlEnumValue</tt>必须有一个有效的词汇表示类型<tt>@XmlEnum.value()</tt></span> </p>
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<p> <span>在没有这个注释的情况下， <a href="../../../../java/lang/Enum.html#name--"><code>Enum.name()</code></a>被用作XML表示。</span> </p>
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<p> <span><b>示例1：</b>映射枚举常量名称 - >枚举方面</span> </p>
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<pre> <span>//Example: Code fragment
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@XmlEnum(String.class)
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public enum Card { CLUBS, DIAMONDS, HEARTS, SPADES }
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<!-- Example: XML Schema fragment -->
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<xs:simpleType name="Card">
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<xs:restriction base="xs:string"/>
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<xs:enumeration value="CLUBS"/>
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<xs:enumeration value="DIAMONDS"/>
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<xs:enumeration value="HEARTS"/>
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<xs:enumeration value="SPADES"/>
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</xs:simpleType></span> </pre>
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<p> <span><b>示例2：</b>映射枚举常量名称（值） - >枚举方面</span> </p>
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<pre> <span>//Example: code fragment
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@XmlType
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@XmlEnum(Integer.class)
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public enum Coin {
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@XmlEnumValue("1") PENNY(1),
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@XmlEnumValue("5") NICKEL(5),
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@XmlEnumValue("10") DIME(10),
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@XmlEnumValue("25") QUARTER(25) }
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<!-- Example: XML Schema fragment -->
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<xs:simpleType name="Coin">
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<xs:restriction base="xs:int">
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<xs:enumeration value="1"/>
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<xs:enumeration value="5"/>
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<xs:enumeration value="10"/>
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<xs:enumeration value="25"/>
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</xs:restriction>
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</xs:simpleType></span> </pre>
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<p> <span><b>示例3：</b>映射枚举常量名称 - >枚举方面</span> </p>
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<pre> <span>//Code fragment
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@XmlType
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@XmlEnum(Integer.class)
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public enum Code {
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@XmlEnumValue("1") ONE,
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@XmlEnumValue("2") TWO;
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}
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<!-- Example: XML Schema fragment -->
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<xs:simpleType name="Code">
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<xs:restriction base="xs:int">
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<xs:enumeration value="1"/>
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<xs:enumeration value="2"/>
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</xs:restriction>
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</xs:simpleType></span> </pre>
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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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JAXB 2.0
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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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<!-- =========== 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/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/xml/bind/annotation/XmlEnumValue.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> </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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<!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== -->
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<ul class="blockList">
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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/String.html" title="class in java.lang">String</a> value</pre> </li>
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</ul> </li>
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</ul> </li>
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</ul>
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