解析xml字符串代码,CSharp代码库,德仔网

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【CSharp】解析xml字符串
作者:chenqingwei / 发布于2011/5/4/ 1016
<	->	<
>	->	>
"	->	"
'	->	'
&	->	&
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<p style="margin: 0px 0px 14px"><strong>1. 利用string.Replace() 五次替换</strong>
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<pre style="background-color: white; margin: 0px 0px 0px 22px; font-size: 1em; overflow: auto"><div><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> xml </span><span style="color: rgb(0,0,0)">=</span> <span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"><node>it's my \"node\" & i like it<node></span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;encodedXml </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> xml.Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&amp;</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">).Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"><</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&lt;</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">).Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">></span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&gt;</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">).Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">\"</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&quot;</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">).Replace(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">'</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">&apos;</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)"> RESULT: &lt;node&gt;it&apos;s my &quot;node&quot; &amp; i like it&lt;node&gt;</span></div></pre>
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<p style="margin: 0px 0px 14px">
<p style="margin: 0px 0px 14px"><strong>2. 利用System.Web.HttpUtility.HtmlEncode() 方便
</strong>
<div style="padding-bottom: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; float: none; padding-top: 0px" id="scid:57F11A72-B0E5-49c7-9094-E3A15BD5B5E7:3971b22a-7fb5-4cba-9c91-adaee968f817">
<pre style="background-color: white; margin: 0px 0px 0px 22px; font-size: 1em; overflow: auto"><div><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> xml </span><span style="color: rgb(0,0,0)">=</span> <span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"><node>it's my \"node\" & i like it<node></span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> encodedXml </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> HttpUtility.HtmlEncode(xml);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)"> RESULT: &lt;node&gt;it's my &quot;node&quot; &amp; i like it&lt;node&gt;</span></div></pre>
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<p style="margin: 0px 0px 14px"><strong>3. 利用System.Security.SecurityElement.Escape() 不常用
</strong>
<div style="padding-bottom: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; float: none; padding-top: 0px" id="scid:57F11A72-B0E5-49c7-9094-E3A15BD5B5E7:bccf00e9-a444-40c6-8512-b960d475307e">
<pre style="background-color: white; margin: 0px 0px 0px 22px; font-size: 1em; overflow: auto"><div><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> xml </span><span style="color: rgb(0,0,0)">=</span> <span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"><node>it's my \"node\" & i like it<node></span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> encodedXml </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> System.Security.SecurityElement.Escape(xml);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)"> RESULT: &lt;node&gt;it&apos;s my &quot;node&quot; &amp; i like it&lt;node&gt</span></div></pre>
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<p style="margin: 0px 0px 14px">

<p style="margin: 0px 0px 14px"><strong>4. 利用 System.Xml.XmlTextWriter 
</strong>
<div style="padding-bottom: 0px; margin: 0px; padding-left: 0px; padding-right: 0px; display: inline; float: none; padding-top: 0px" id="scid:57F11A72-B0E5-49c7-9094-E3A15BD5B5E7:9545f675-57d9-49c0-bded-0a5ff9bf7182">
<pre style="background-color: white; margin: 0px 0px 0px 22px; font-size: 1em; overflow: auto"><div><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> xml </span><span style="color: rgb(0,0,0)">=</span> <span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)"><node>it's my \"node\" & i like it<node></span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">;</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> (XmlTextWriter xtw </span><span style="color: rgb(0,0,0)">=</span> <span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> XmlTextWriter(</span><span style="color: rgb(128,0,0)">@"</span><span style="color: rgb(128,0,0)">c:\xmlTest.xml</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, Encoding.Unicode)){xtw.WriteStartElement(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">xmlEncodeTest</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);xtw.WriteAttributeString(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">testAttribute</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, xml);xtw.WriteString(xml);xtw.WriteEndElement();}</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)"> RESULT:</span><span style="color: rgb(0,128,0)">/*</span><span style="color: rgb(0,128,0)"><xmlEncodeTest testAttribute="&lt;node&gt;it's my &quot;node&quot; &amp; i like it&lt;node&gt;">&lt;node&gt;it's my "node" &amp; i like it&lt;node&gt;</xmlEncodeTest></span><span style="color: rgb(0,128,0)">*/</span></div></pre>
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