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<div class="header">
<div class="subTitle">
compact2, compact3
</div>
<div class="subTitle">
org.w3c.dom
</div>
<h2 class="title" title="Interface CharacterData">Interface CharacterData</h2>
</div><div class="contentContainer">
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>
All Superinterfaces:
</dt>
<dd>
<span><a href="../../../org/w3c/dom/Node.html" title="界面在org.w3c.dom">Node</a></span>
</dd>
</dl>
<dl>
<dt>
All Known Subinterfaces:
</dt>
<dd>
<span><a href="../../../org/w3c/dom/CDATASection.html" title="界面在org.w3c.dom">CDATASection</a> ， <a href="../../../org/w3c/dom/Comment.html" title="界面在org.w3c.dom">Comment</a> ， <a href="../../../org/w3c/dom/Text.html" title="界面在org.w3c.dom">Text</a> ， <a href="../../../javax/xml/soap/Text.html" title="javax.xml.soap中的接口">Text</a></span>
</dd>
</dl>
<hr/> <br/> <pre>public interface <span class="typeNameLabel">CharacterData</span>
extends <a href="../../../org/w3c/dom/Node.html" title="interface in org.w3c.dom">Node</a></pre>
<div class="block">
<span><code>CharacterData</code>接口使用一组用于访问DOM中的字符数据的属性和方法来扩展Node。</span>
<span>为了清楚起见，这个集合是在这里定义的，而不是使用这些属性和方法的每个对象。</span>
<span>没有DOM对象直接对应于<code>CharacterData</code> ，尽管<code>Text</code>和其他人确实从它继承了接口。</span>
<span>全部<code>offsets</code>在此界面从<code>0</code>开始。</span>
<p> <span>如DOMString <code>DOMString</code>所述，DOM中的文本字符串以UTF-16表示，即以16位为单位。</span> <span>在下文中，术语16位单位在需要时使用，表示CharacterData的索引以16位为单位完成。</span> </p>
<p> <span>另见<a href="http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407">Document Object Model (DOM) Level 3 Core Specification</a> 。</span> </p>
</div> </li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- =========== FIELD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="field.summary">
<!-- --> </a> <h3>Field Summary</h3>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.w3c.dom.Node">
<!-- --> </a> <h3>Fields inherited from interface org.w3c.dom.<a href="../../../org/w3c/dom/Node.html" title="interface in org.w3c.dom">Node</a></h3> <code><a href="../../../org/w3c/dom/Node.html#ATTRIBUTE_NODE">ATTRIBUTE_NODE</a>, <a href="../../../org/w3c/dom/Node.html#CDATA_SECTION_NODE">CDATA_SECTION_NODE</a>, <a href="../../../org/w3c/dom/Node.html#COMMENT_NODE">COMMENT_NODE</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_FRAGMENT_NODE">DOCUMENT_FRAGMENT_NODE</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_NODE">DOCUMENT_NODE</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_CONTAINED_BY">DOCUMENT_POSITION_CONTAINED_BY</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_CONTAINS">DOCUMENT_POSITION_CONTAINS</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_DISCONNECTED">DOCUMENT_POSITION_DISCONNECTED</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_FOLLOWING">DOCUMENT_POSITION_FOLLOWING</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC">DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_POSITION_PRECEDING">DOCUMENT_POSITION_PRECEDING</a>, <a href="../../../org/w3c/dom/Node.html#DOCUMENT_TYPE_NODE">DOCUMENT_TYPE_NODE</a>, <a href="../../../org/w3c/dom/Node.html#ELEMENT_NODE">ELEMENT_NODE</a>, <a href="../../../org/w3c/dom/Node.html#ENTITY_NODE">ENTITY_NODE</a>, <a href="../../../org/w3c/dom/Node.html#ENTITY_REFERENCE_NODE">ENTITY_REFERENCE_NODE</a>, <a href="../../../org/w3c/dom/Node.html#NOTATION_NODE">NOTATION_NODE</a>, <a href="../../../org/w3c/dom/Node.html#PROCESSING_INSTRUCTION_NODE">PROCESSING_INSTRUCTION_NODE</a>, <a href="../../../org/w3c/dom/Node.html#TEXT_NODE">TEXT_NODE</a></code></li>
</ul> </li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method.summary">
<!-- --> </a> <h3>方法摘要</h3>
<table border="0" cellpadding="3" cellspacing="0" class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
<caption>
<span class="activeTableTab" id="t0"><span>所有方法</span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t2"><span><a href="javascript:show(2);">接口方法</a></span><span class="tabEnd"> </span></span>
<span class="tableTab" id="t3"><span><a href="javascript:show(4);">抽象方法</a></span><span class="tabEnd"> </span></span>
</caption>
<tbody>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor" id="i0">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#appendData-java.lang.String-">appendData</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)</code>
<div class="block">
将字符串附加到节点的字符数据的末尾。
</div> </td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#deleteData-int-int-">deleteData</a></span>(int offset, int count)</code>
<div class="block">
从节点中删除一个16位的单位范围。
</div> </td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code><a href="../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#getData--">getData</a></span>()</code>
<div class="block">
实现此接口的节点的字符数据。
</div> </td>
</tr>
<tr class="rowColor" id="i3">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#getLength--">getLength</a></span>()</code>
<div class="block">
通过
<code>data</code>的16位单元
<code>data</code>和下面的
<code>substringData</code>方法。
</div> </td>
</tr>
<tr class="altColor" id="i4">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#insertData-int-java.lang.String-">insertData</a></span>(int offset, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)</code>
<div class="block">
以指定的16位单位偏移量插入字符串。
</div> </td>
</tr>
<tr class="rowColor" id="i5">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#replaceData-int-int-java.lang.String-">replaceData</a></span>(int offset, int count, <a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)</code>
<div class="block">
用指定的字符串替换从指定的16位单位偏移开始的字符。
</div> </td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#setData-java.lang.String-">setData</a></span>(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> data)</code>
<div class="block">
实现此接口的节点的字符数据。
</div> </td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code><a href="../../../java/lang/String.html" title="class in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/w3c/dom/CharacterData.html#substringData-int-int-">substringData</a></span>(int offset, int count)</code>
<div class="block">
从节点中提取一系列数据。
</div> </td>
</tr>
</tbody>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods.inherited.from.class.org.w3c.dom.Node">
<!-- --> </a> <h3>Methods inherited from interface org.w3c.dom.<a href="../../../org/w3c/dom/Node.html" title="interface in org.w3c.dom">Node</a></h3> <code><a href="../../../org/w3c/dom/Node.html#appendChild-org.w3c.dom.Node-">appendChild</a>, <a href="../../../org/w3c/dom/Node.html#cloneNode-boolean-">cloneNode</a>, <a href="../../../org/w3c/dom/Node.html#compareDocumentPosition-org.w3c.dom.Node-">compareDocumentPosition</a>, <a href="../../../org/w3c/dom/Node.html#getAttributes--">getAttributes</a>, <a href="../../../org/w3c/dom/Node.html#getBaseURI--">getBaseURI</a>, <a href="../../../org/w3c/dom/Node.html#getChildNodes--">getChildNodes</a>, <a href="../../../org/w3c/dom/Node.html#getFeature-java.lang.String-java.lang.String-">getFeature</a>, <a href="../../../org/w3c/dom/Node.html#getFirstChild--">getFirstChild</a>, <a href="../../../org/w3c/dom/Node.html#getLastChild--">getLastChild</a>, <a href="../../../org/w3c/dom/Node.html#getLocalName--">getLocalName</a>, <a href="../../../org/w3c/dom/Node.html#getNamespaceURI--">getNamespaceURI</a>, <a href="../../../org/w3c/dom/Node.html#getNextSibling--">getNextSibling</a>, <a href="../../../org/w3c/dom/Node.html#getNodeName--">getNodeName</a>, <a href="../../../org/w3c/dom/Node.html#getNodeType--">getNodeType</a>, <a href="../../../org/w3c/dom/Node.html#getNodeValue--">getNodeValue</a>, <a href="../../../org/w3c/dom/Node.html#getOwnerDocument--">getOwnerDocument</a>, <a href="../../../org/w3c/dom/Node.html#getParentNode--">getParentNode</a>, <a href="../../../org/w3c/dom/Node.html#getPrefix--">getPrefix</a>, <a href="../../../org/w3c/dom/Node.html#getPreviousSibling--">getPreviousSibling</a>, <a href="../../../org/w3c/dom/Node.html#getTextContent--">getTextContent</a>, <a href="../../../org/w3c/dom/Node.html#getUserData-java.lang.String-">getUserData</a>, <a href="../../../org/w3c/dom/Node.html#hasAttributes--">hasAttributes</a>, <a href="../../../org/w3c/dom/Node.html#hasChildNodes--">hasChildNodes</a>, <a href="../../../org/w3c/dom/Node.html#insertBefore-org.w3c.dom.Node-org.w3c.dom.Node-">insertBefore</a>, <a href="../../../org/w3c/dom/Node.html#isDefaultNamespace-java.lang.String-">isDefaultNamespace</a>, <a href="../../../org/w3c/dom/Node.html#isEqualNode-org.w3c.dom.Node-">isEqualNode</a>, <a href="../../../org/w3c/dom/Node.html#isSameNode-org.w3c.dom.Node-">isSameNode</a>, <a href="../../../org/w3c/dom/Node.html#isSupported-java.lang.String-java.lang.String-">isSupported</a>, <a href="../../../org/w3c/dom/Node.html#lookupNamespaceURI-java.lang.String-">lookupNamespaceURI</a>, <a href="../../../org/w3c/dom/Node.html#lookupPrefix-java.lang.String-">lookupPrefix</a>, <a href="../../../org/w3c/dom/Node.html#normalize--">normalize</a>, <a href="../../../org/w3c/dom/Node.html#removeChild-org.w3c.dom.Node-">removeChild</a>, <a href="../../../org/w3c/dom/Node.html#replaceChild-org.w3c.dom.Node-org.w3c.dom.Node-">replaceChild</a>, <a href="../../../org/w3c/dom/Node.html#setNodeValue-java.lang.String-">setNodeValue</a>, <a href="../../../org/w3c/dom/Node.html#setPrefix-java.lang.String-">setPrefix</a>, <a href="../../../org/w3c/dom/Node.html#setTextContent-java.lang.String-">setTextContent</a>, <a href="../../../org/w3c/dom/Node.html#setUserData-java.lang.String-java.lang.Object-org.w3c.dom.UserDataHandler-">setUserData</a></code></li>
</ul> </li>
</ul> </li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
<!-- --> </a> <h3>方法详细信息</h3> <a name="getData--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getData</h4> <pre><a href="../../../java/lang/String.html" title="class in java.lang">String</a> getData()
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
<span>实现此接口的节点的字符数据。</span>
<span>DOM实现可能不会对可能存储在<code>CharacterData</code>节点中的数据量进行任意限制。</span>
<span>然而，实施限制可能意味着节点数据的整体可能不适合单个<code>DOMString</code> 。</span>
<span>在这种情况下，用户可以调用<code>substringData</code>以适当大小的片段检索数据。</span>
</div>
<dl>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - DOMSTRING_SIZE_ERR：在实现平台上返回更多的字符，而不是匹配
<code>DOMString</code>变量时引发。
</dd>
</dl> </li>
</ul> <a name="setData-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>setData</h4> <pre>void setData(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> data)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
<span>实现此接口的节点的字符数据。</span>
<span>DOM实现可能不会对可能存储在<code>CharacterData</code>节点中的数据量进行任意限制。</span>
<span>然而，实施限制可能意味着节点数据的整体可能不适合单个<code>DOMString</code> 。</span>
<span>在这种情况下，用户可以调用<code>substringData</code>以适当大小的片段检索数据。</span>
</div>
<dl>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - NO_MODIFICATION_ALLOWED_ERR：当节点只读时引发。
</dd>
</dl> </li>
</ul> <a name="getLength--">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>getLength</h4> <pre>int getLength()</pre>
<div class="block">
<span>通过<code>data</code>的16位单位<code>data</code>和下面的<code>substringData</code>方法。</span>
<span>这可能具有零值，即<code>CharacterData</code>节点可能为空。</span>
</div> </li>
</ul> <a name="substringData-int-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>substringData</h4> <pre><a href="../../../java/lang/String.html" title="class in java.lang">String</a> substringData(int offset,
int count)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
从节点中提取一系列数据。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>offset</code> - 要提取的子字符串的起始偏移量。
</dd>
<dd>
<code>count</code> - 要提取的16位单位数。
</dd>
<dt>
<span class="returnLabel">结果</span>
</dt>
<dd>
<span>指定的子字符串。</span>
<span>如果<code>offset</code>和<code>count</code>的总和超过<code>length</code> ，则返回到数据结尾的所有16位单元。</span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - INDEX_SIZE_ERR：如果指定的<code>offset</code>为负值或大于<code>offset</code>中的16位单元<code>data</code> ，或指定的<code>count</code>为负值则提升。</span>
<br/>
<span>DOMSTRING_SIZE_ERR：如果指定的文本范围不适用于<code>DOMString</code>其<code>DOMString</code> 。</span>
</dd>
</dl> </li>
</ul> <a name="appendData-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>appendData</h4> <pre>void appendData(<a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
<span>将字符串附加到节点的字符数据的末尾。</span>
<span>成功后， <code>data</code>提供访问指定的<code>data</code>和<code>DOMString</code>连接。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>arg</code> - 附加的
<code>DOMString</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - NO_MODIFICATION_ALLOWED_ERR：如果此节点是只读的，则引发。
</dd>
</dl> </li>
</ul> <a name="insertData-int-java.lang.String-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>insertData</h4> <pre>void insertData(int offset,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
以指定的16位单位偏移量插入字符串。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>offset</code> - 要插入的字符偏移量。
</dd>
<dd>
<code>arg</code> - 要插入的
<code>DOMString</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - INDEX_SIZE_ERR：如果指定的<code>offset</code>为负值或大于<code>offset</code>中的16位单元数，则<code>data</code> 。</span>
<br/>
<span>NO_MODIFICATION_ALLOWED_ERR：如果此节点是只读的，则引发。</span>
</dd>
</dl> </li>
</ul> <a name="deleteData-int-int-">
<!-- --> </a>
<ul class="blockList">
<li class="blockList"> <h4>deleteData</h4> <pre>void deleteData(int offset,
int count)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
<span>从节点中删除一个16位的单位范围。</span>
<span>成功后， <code>data</code>和<code>length</code>反映了变化。</span>
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>offset</code> - 从中开始删除的偏移量。
</dd>
<dd>
<span><code>count</code> - 要删除的16位单位数。</span>
<span>如果<code>offset</code>和<code>count</code>的总和超过<code>length</code> ，则从<code>offset</code>到数据结尾的所有16位单元都被删除。</span>
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<span><code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - INDEX_SIZE_ERR：如果指定的<code>offset</code>为负值或大于<code>offset</code>中的16位单元<code>data</code> ，或指定的<code>count</code>为负，则提升。</span>
<br/>
<span>NO_MODIFICATION_ALLOWED_ERR：如果此节点是只读的，则引发。</span>
</dd>
</dl> </li>
</ul> <a name="replaceData-int-int-java.lang.String-">
<!-- --> </a>
<ul class="blockListLast">
<li class="blockList"> <h4>replaceData</h4> <pre>void replaceData(int offset,
int count,
<a href="../../../java/lang/String.html" title="class in java.lang">String</a> arg)
throws <a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></pre>
<div class="block">
用指定的字符串替换从指定的16位单位偏移开始的字符。
</div>
<dl>
<dt>
<span class="paramLabel">参数</span>
</dt>
<dd>
<code>offset</code> - 开始替换的偏移量。
</dd>
<dd>
<span><code>count</code> - 要替换的16位单位数。</span>
<span>如果<code>offset</code>和<code>count</code>的总和超过<code>length</code> ，则所有16位单位到数据结尾都被替换;</span>
<span>（即效果与具有相同范围的<code>remove</code>方法调用相同，后跟<code>append</code>方法调用）。</span>
</dd>
<dd>
<code>arg</code> - 必须更换范围的
<code>DOMString</code> 。
</dd>
<dt>
<span class="throwsLabel">异常</span>
</dt>
<dd>
<code><a href="../../../org/w3c/dom/DOMException.html" title="class in org.w3c.dom">DOMException</a></code> - INDEX_SIZE_ERR: Raised if the specified
<code>offset</code> is negative or greater than the number of 16-bit units in
<code>data</code>, or if the specified
<code>count</code> is negative.
<br/>NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
</dd>
</dl> </li>
</ul> </li>
</ul> </li>
</ul>
</div>
</div>
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