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528 lines
28 KiB
HTML
<div class="header">
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<div class="subTitle">
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compact2, compact3
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<div class="subTitle">
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javax.xml
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</div>
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<h2 class="title" title="Class XMLConstants">Class XMLConstants</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.xml.XMLConstants</li>
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</ul> </li>
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</ul>
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<div class="description">
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<hr/> <br/> <pre>public final class <span class="typeNameLabel">XMLConstants</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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<p>包含基本XML值作为常量的实用程序类。 </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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1.5
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</dd>
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<dt>
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<span class="simpleTagLabel">Version:</span>
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</dt>
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<dd>
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$修订：1.8 $，$日期：2010/05/25 16:19:45 $
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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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<a href="http://www.w3.org/TR/xml11/">Extensible Markup Language (XML) 1.1</a> ，
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<a href="http://www.w3.org/TR/REC-xml">Extensible Markup Language (XML) 1.0 (Second Edition)</a> ，
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<a href="http://www.w3.org/XML/xml-V10-2e-errata">XML 1.0 Second Edition Specification Errata</a> ，
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<a href="http://www.w3.org/TR/xml-names11/">Namespaces in XML 1.1</a> ，
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<a href="http://www.w3.org/TR/REC-xml-names">Namespaces in XML</a> ，
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<a href="http://www.w3.org/XML/xml-names-19990114-errata">Namespaces in XML Errata</a> ，
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<a href="http://www.w3.org/TR/xmlschema-1/">XML Schema Part 1: Structures</a>
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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 <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/XMLConstants.html#ACCESS_EXTERNAL_DTD">ACCESS_EXTERNAL_DTD</a></span></code>
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<div class="block">
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属性：accessExternalDTD
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA">ACCESS_EXTERNAL_SCHEMA</a></span></code>
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<div class="block">
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属性：accessExternalSchema
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#ACCESS_EXTERNAL_STYLESHEET">ACCESS_EXTERNAL_STYLESHEET</a></span></code>
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<div class="block">
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属性：accessExternalStylesheet
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#DEFAULT_NS_PREFIX">DEFAULT_NS_PREFIX</a></span></code>
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<div class="block">
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用于表示默认XML命名空间的前缀。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#FEATURE_SECURE_PROCESSING">FEATURE_SECURE_PROCESSING</a></span></code>
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<div class="block">
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安全处理功能。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#NULL_NS_URI">NULL_NS_URI</a></span></code>
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<div class="block">
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用于表示没有命名空间的命名空间URI。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#RELAXNG_NS_URI">RELAXNG_NS_URI</a></span></code>
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<div class="block">
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RELAX NG命名空间URI。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#W3C_XML_SCHEMA_INSTANCE_NS_URI">W3C_XML_SCHEMA_INSTANCE_NS_URI</a></span></code>
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<div class="block">
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W3C XML Schema实例命名空间URI。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#W3C_XML_SCHEMA_NS_URI">W3C_XML_SCHEMA_NS_URI</a></span></code>
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<div class="block">
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W3C XML Schema命名空间URI。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#W3C_XPATH_DATATYPE_NS_URI">W3C_XPATH_DATATYPE_NS_URI</a></span></code>
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<div class="block">
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W3C XPath数据类型命名空间URI。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#XML_DTD_NS_URI">XML_DTD_NS_URI</a></span></code>
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<div class="block">
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XML文档类型声明命名空间URI为任意值。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#XML_NS_PREFIX">XML_NS_PREFIX</a></span></code>
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<div class="block">
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官方的XML命名空间前缀。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#XML_NS_URI">XML_NS_URI</a></span></code>
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<div class="block">
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官方XML命名空间名称URI。
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</div> </td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#XMLNS_ATTRIBUTE">XMLNS_ATTRIBUTE</a></span></code>
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<div class="block">
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用于指定XML命名空间声明的官方XML属性。
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</div> </td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static <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/XMLConstants.html#XMLNS_ATTRIBUTE_NS_URI">XMLNS_ATTRIBUTE_NS_URI</a></span></code>
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<div class="block">
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用于指定XML Namespace声明的官方XML属性，
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<a href="../../javax/xml/XMLConstants.html#XMLNS_ATTRIBUTE"><code>XMLConstants.XMLNS_ATTRIBUTE</code></a> ，命名空间名称URI。
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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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<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="NULL_NS_URI">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>NULL_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> NULL_NS_URI</pre>
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<div class="block">
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<p> <span>用于表示没有命名空间的命名空间URI。</span> </p>
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<p> <span>由命名空间规范定义为“”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#defaulting">Namespaces in XML, 5.2 Namespace Defaulting</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.NULL_NS_URI">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="DEFAULT_NS_PREFIX">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>DEFAULT_NS_PREFIX</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> DEFAULT_NS_PREFIX</pre>
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<div class="block">
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<p> <span>用于表示默认XML命名空间的前缀。</span> </p>
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<p> <span>由XML规范定义为“”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">Namespaces in XML, 3. Qualified Names</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.DEFAULT_NS_PREFIX">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="XML_NS_URI">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>XML_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> XML_NS_URI</pre>
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<div class="block">
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<p> <span>官方XML命名空间名称URI。</span> </p>
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<p> <span>由XML规范定义为“ <code>http://www.w3.org/XML/1998/namespace</code> ”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">Namespaces in XML, 3. Qualified Names</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.XML_NS_URI">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="XML_NS_PREFIX">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>XML_NS_PREFIX</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> XML_NS_PREFIX</pre>
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<div class="block">
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<p> <span>官方的XML命名空间前缀。</span> </p>
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<p> <span>由XML规范定义为“ <code>xml</code> ”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">Namespaces in XML, 3. Qualified Names<</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.XML_NS_PREFIX">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="XMLNS_ATTRIBUTE_NS_URI">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>XMLNS_ATTRIBUTE_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> XMLNS_ATTRIBUTE_NS_URI</pre>
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<div class="block">
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<p> <span>用于指定XML命名空间声明的官方XML属性， <a href="../../javax/xml/XMLConstants.html#XMLNS_ATTRIBUTE"><code>XMLConstants.XMLNS_ATTRIBUTE</code></a> ，命名空间名称URI。</span> </p>
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<p> <span>由XML规范定义为“ <code>http://www.w3.org/2000/xmlns/</code> ”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">Namespaces in XML, 3. Qualified Names</a> ，
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<a href="http://www.w3.org/XML/xml-names-19990114-errata">Namespaces in XML Errata</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="XMLNS_ATTRIBUTE">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>XMLNS_ATTRIBUTE</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> XMLNS_ATTRIBUTE</pre>
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<div class="block">
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<p> <span>用于指定XML命名空间声明的官方XML属性。</span> </p>
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<p> <span>它<strong><em>也不</em></strong>是一个有效的前缀使用。</span> <span>由XML规范定义为“ <code>xmlns</code> ”。</span> </p>
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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="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">Namespaces in XML, 3. Qualified Names</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.XMLNS_ATTRIBUTE">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="W3C_XML_SCHEMA_NS_URI">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>W3C_XML_SCHEMA_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> W3C_XML_SCHEMA_NS_URI</pre>
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<div class="block">
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<p> <span>W3C XML Schema命名空间URI。</span> </p>
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<p> <span>定义为“ <code>http://www.w3.org/2001/XMLSchema</code> ”。</span> </p>
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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="http://www.w3.org/TR/xmlschema-1/#Instance_Document_Constructions">XML Schema Part 1: Structures, 2.6 Schema-Related Markup in Documents Being Validated</a> ，
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<a href="../../constant-values.html#javax.xml.XMLConstants.W3C_XML_SCHEMA_NS_URI">Constant Field Values</a>
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</dd>
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</dl> </li>
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</ul> <a name="W3C_XML_SCHEMA_INSTANCE_NS_URI">
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<!-- --> </a>
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<ul class="blockList">
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<li class="blockList"> <h4>W3C_XML_SCHEMA_INSTANCE_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> W3C_XML_SCHEMA_INSTANCE_NS_URI</pre>
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<div class="block">
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<p> <span>W3C XML Schema实例命名空间URI。</span> </p>
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<p> <span>定义为“ <code>http://www.w3.org/2001/XMLSchema-instance</code> ”。</span> </p>
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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="http://www.w3.org/TR/xmlschema-1/#Instance_Document_Constructions">XML Schema Part 1: Structures, 2.6 Schema-Related Markup in Documents Being Validated</a> ，
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
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</ul> <a name="W3C_XPATH_DATATYPE_NS_URI">
|
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<ul class="blockList">
|
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<li class="blockList"> <h4>W3C_XPATH_DATATYPE_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> W3C_XPATH_DATATYPE_NS_URI</pre>
|
||
<div class="block">
|
||
<p> <span>W3C XPath数据类型命名空间URI。</span> </p>
|
||
<p> <span>定义为“ <code>http://www.w3.org/2003/11/xpath-datatypes</code> ”。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="http://www.w3.org/TR/xpath-datamodel">XQuery 1.0 and XPath 2.0 Data Model</a> ，
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.W3C_XPATH_DATATYPE_NS_URI">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="XML_DTD_NS_URI">
|
||
<!-- --> </a>
|
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<ul class="blockList">
|
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<li class="blockList"> <h4>XML_DTD_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> XML_DTD_NS_URI</pre>
|
||
<div class="block">
|
||
<p> <span>XML文档类型声明命名空间URI为任意值。</span> </p>
|
||
<p> <span>由于没有任何现有标准正式定义，任意定义为“ <code>http://www.w3.org/TR/REC-xml</code> ”。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.XML_DTD_NS_URI">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="RELAXNG_NS_URI">
|
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<ul class="blockList">
|
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<li class="blockList"> <h4>RELAXNG_NS_URI</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> RELAXNG_NS_URI</pre>
|
||
<div class="block">
|
||
<p> <span>RELAX NG命名空间URI。</span> </p>
|
||
<p> <span>定义为“ <code>http://relaxng.org/ns/structure/1.0</code> ”。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="http://relaxng.org/spec-20011203.html">RELAX NG Specification</a> ，
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.RELAXNG_NS_URI">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
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</ul> <a name="FEATURE_SECURE_PROCESSING">
|
||
<!-- --> </a>
|
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<ul class="blockList">
|
||
<li class="blockList"> <h4>FEATURE_SECURE_PROCESSING</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> FEATURE_SECURE_PROCESSING</pre>
|
||
<div class="block">
|
||
<p> <span>安全处理功能。</span> </p>
|
||
<ul>
|
||
<li> <span><code>true</code>指示实现安全地处理XML。</span> <span>这可能会限制XML构造，以避免诸如拒绝服务攻击等条件。</span> </li>
|
||
<li> <span><code>false</code>指示实施根据XML规范处理XML，忽略诸如限制XML构造的安全问题，以避免诸如拒绝服务攻击之类的条件。</span> </li>
|
||
</ul>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.FEATURE_SECURE_PROCESSING">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="ACCESS_EXTERNAL_DTD">
|
||
<!-- --> </a>
|
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<ul class="blockList">
|
||
<li class="blockList"> <h4>ACCESS_EXTERNAL_DTD</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> ACCESS_EXTERNAL_DTD</pre>
|
||
<div class="block">
|
||
<p> <span>属性：accessExternalDTD</span> </p>
|
||
<p> <span>限制访问指定的协议的外部DTD和外部实体引用。</span> <span>如果访问由于此属性的限制而被拒绝，则抛出特定于上下文的运行时异常。</span> <span>在的情况下<a href="../../javax/xml/parsers/SAXParser.html" title="javax.xml.parsers中的类"><code>SAXParser</code></a>例如， <a href="../../org/xml/sax/SAXException.html" title="在org.xml.sax中的类"><code>SAXException</code></a>被抛出。</span> </p>
|
||
<p> <span><b>值：</b>以逗号分隔的协议列表。</span> <span>协议是<a href="../../java/net/URI.html" title="java.net中的类"><code>URI</code></a>的方案部分，或者在JAR协议的情况下，“jar”加上由冒号分隔的方案部分。</span> <span>方案定义为：</span> </p>
|
||
<blockquote>
|
||
<span>scheme = alpha *( alpha | digit | "+" | "-" | "." ) <br/> where alpha = a-z and A-Z. <br/> <br/> And the JAR protocol: <br/> jar[:scheme] <br/> <br/> Protocols including the keyword "jar" are case-insensitive. Any whitespaces as defined by <a href="../../java/lang/Character.html#isSpaceChar-char-"><code>Character.isSpaceChar(char)</code></a> in the value will be ignored. Examples of protocols are file, http, jar:file.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>默认值：</b>默认值是实现特定的，因此未指定。</span> <span>提供以下选项供考虑：</span> </p>
|
||
<blockquote>
|
||
<span>
|
||
<ul>
|
||
<li>an empty string to deny all access to external references;</li>
|
||
<li>a specific protocol, such as file, to give permission to only the protocol;</li>
|
||
<li>the keyword "all" to grant permission to all protocols.</li>
|
||
</ul> <br/> When FEATURE_SECURE_PROCESSING is enabled, it is recommended that implementations restrict external connections by default, though this may cause problems for applications that process XML/XSD/XSL with external references.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>授予所有访问权限：</b>关键字“全部”授予所有协议的权限。</span> </p>
|
||
<p> <span><b>系统属性：</b>此属性的值可以由系统属性<code>javax.xml.accessExternalDTD</code>设置或<code>javax.xml.accessExternalDTD</code> 。</span> </p>
|
||
<p> <span><b>$ {JAVA_HOME} /lib/jaxp.properties：</b>此配置文件采用标准<a href="../../java/util/Properties.html" title="java.util中的类"><code>Properties</code></a>格式。</span> <span>如果文件存在且指定了系统属性，则其值将用于覆盖属性的默认值。</span> </p>
|
||
<p></p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
1.7
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.ACCESS_EXTERNAL_DTD">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="ACCESS_EXTERNAL_SCHEMA">
|
||
<!-- --> </a>
|
||
<ul class="blockList">
|
||
<li class="blockList"> <h4>ACCESS_EXTERNAL_SCHEMA</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> ACCESS_EXTERNAL_SCHEMA</pre>
|
||
<div class="block">
|
||
<p> <span>属性：accessExternalSchema</span> </p>
|
||
<p> <span>限制对由schemaLocation属性Import和Include元素设置的外部引用设置的协议的访问。</span> <span>如果访问由于此属性的限制而被拒绝，则抛出特定于上下文的运行时异常。</span> <span>在的情况下<a href="../../javax/xml/validation/SchemaFactory.html" title="javax.xml.validation中的类"><code>SchemaFactory</code></a>例如，org.xml.sax.SAXException被抛出。</span> </p>
|
||
<p> <span><b>值：</b>以逗号分隔的协议列表。</span> <span>协议是<a href="../../java/net/URI.html" title="java.net中的类"><code>URI</code></a>的方案部分，或者在JAR协议的情况下，“jar”加上由冒号分隔的方案部分。</span> <span>方案定义为：</span> </p>
|
||
<blockquote>
|
||
<span>scheme = alpha *( alpha | digit | "+" | "-" | "." ) <br/> where alpha = a-z and A-Z. <br/> <br/> And the JAR protocol: <br/> jar[:scheme] <br/> <br/> Protocols including the keyword "jar" are case-insensitive. Any whitespaces as defined by <a href="../../java/lang/Character.html#isSpaceChar-char-"><code>Character.isSpaceChar(char)</code></a> in the value will be ignored. Examples of protocols are file, http, jar:file.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>默认值：</b>默认值是实现特定的，因此未指定。</span> <span>提供以下选项供考虑：</span> </p>
|
||
<blockquote>
|
||
<span>
|
||
<ul>
|
||
<li>an empty string to deny all access to external references;</li>
|
||
<li>a specific protocol, such as file, to give permission to only the protocol;</li>
|
||
<li>the keyword "all" to grant permission to all protocols.</li>
|
||
</ul> <br/> When FEATURE_SECURE_PROCESSING is enabled, it is recommended that implementations restrict external connections by default, though this may cause problems for applications that process XML/XSD/XSL with external references.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>授予所有访问权限：</b>关键字“全部”授予所有协议的权限。</span> </p>
|
||
<p> <span><b>系统属性：</b>此属性的值可以由系统属性<code>javax.xml.accessExternalSchema</code>设置或<code>javax.xml.accessExternalSchema</code></span> </p>
|
||
<p> <span><b>$ {JAVA_HOME} /lib/jaxp.properties：</b>此配置文件采用标准java.util.Properties格式。</span> <span>如果文件存在且指定了系统属性，则其值将用于覆盖属性的默认值。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
1.7
|
||
<p></p>
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.ACCESS_EXTERNAL_SCHEMA">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> <a name="ACCESS_EXTERNAL_STYLESHEET">
|
||
<!-- --> </a>
|
||
<ul class="blockListLast">
|
||
<li class="blockList"> <h4>ACCESS_EXTERNAL_STYLESHEET</h4> <pre>public static final <a href="../../java/lang/String.html" title="class in java.lang">String</a> ACCESS_EXTERNAL_STYLESHEET</pre>
|
||
<div class="block">
|
||
<p> <span>属性：accessExternalStylesheet</span> </p>
|
||
<p> <span>限制访问由样式表处理指令，导入和包含元素和文档功能设置的外部参考指定的协议。</span> <span>如果访问由于此属性的限制而被拒绝，则抛出特定于上下文的运行时异常。</span> <span>在构建新的情况下<a href="../../javax/xml/transform/Transformer.html" title="javax.xml.transform中的类"><code>Transformer</code></a>例如， <a href="../../javax/xml/transform/TransformerConfigurationException.html" title="javax.xml.transform中的类"><code>TransformerConfigurationException</code></a>将被抛出<a href="../../javax/xml/transform/TransformerFactory.html" title="javax.xml.transform中的类"><code>TransformerFactory</code></a> 。</span> </p>
|
||
<p> <span><b>值：</b>以逗号分隔的协议列表。</span> <span>协议是<a href="../../java/net/URI.html" title="java.net中的类"><code>URI</code></a>的方案部分，或者在JAR协议的情况下，“jar”加上由冒号分隔的方案部分。</span> <span>方案定义为：</span> </p>
|
||
<blockquote>
|
||
<span>scheme = alpha *( alpha | digit | "+" | "-" | "." ) <br/> where alpha = a-z and A-Z. <br/> <br/> And the JAR protocol: <br/> jar[:scheme] <br/> <br/> Protocols including the keyword "jar" are case-insensitive. Any whitespaces as defined by <a href="../../java/lang/Character.html#isSpaceChar-char-"><code>Character.isSpaceChar(char)</code></a> in the value will be ignored. Examples of protocols are file, http, jar:file.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>默认值：</b>默认值是实现特定的，因此未指定。</span> <span>提供以下选项供考虑：</span> </p>
|
||
<blockquote>
|
||
<span>
|
||
<ul>
|
||
<li>an empty string to deny all access to external references;</li>
|
||
<li>a specific protocol, such as file, to give permission to only the protocol;</li>
|
||
<li>the keyword "all" to grant permission to all protocols.</li>
|
||
</ul> <br/> When FEATURE_SECURE_PROCESSING is enabled, it is recommended that implementations restrict external connections by default, though this may cause problems for applications that process XML/XSD/XSL with external references.</span>
|
||
</blockquote>
|
||
<p></p>
|
||
<p> <span><b>授予所有访问权限：</b>关键字“全部”授予所有协议的权限。</span> </p>
|
||
<p> <span><b>系统属性：</b>此属性的值可以由系统属性<code>javax.xml.accessExternalStylesheet</code>设置或<code>javax.xml.accessExternalStylesheet</code></span> </p>
|
||
<p> <span><b>$ {JAVA_HOME} /lib/jaxp.properties：</b>此配置文件采用标准java.util.Properties格式。</span> <span>如果文件存在且指定了系统属性，则其值将用于覆盖属性的默认值。</span> </p>
|
||
</div>
|
||
<dl>
|
||
<dt>
|
||
<span class="simpleTagLabel">从以下版本开始：</span>
|
||
</dt>
|
||
<dd>
|
||
1.7
|
||
</dd>
|
||
<dt>
|
||
<span class="seeLabel">另请参见：</span>
|
||
</dt>
|
||
<dd>
|
||
<a href="../../constant-values.html#javax.xml.XMLConstants.ACCESS_EXTERNAL_STYLESHEET">Constant Field Values</a>
|
||
</dd>
|
||
</dl> </li>
|
||
</ul> </li>
|
||
</ul> </li>
|
||
</ul>
|
||
</div>
|
||
</div> |