asp.net替换和恢复html特殊字符

时间:2021-05-28

///<summary>
///替换html中的特殊字符
///</summary>
///<paramname="theString">需要进行替换的文本。</param>
///<returns>替换完的文本。</returns>
publicstringHtmlEncode(stringtheString)
{
theString=theString.Replace(">","&gt;");
theString=theString.Replace("<","&lt;");
theString=theString.Replace("","&nbsp;");
theString=theString.Replace("","&nbsp;");
theString=theString.Replace("\"","&quot;");
theString=theString.Replace("\'","&#39;");
theString=theString.Replace("\n","<br/>");
returntheString;
}

///<summary>
///恢复html中的特殊字符
///</summary>
///<paramname="theString">需要恢复的文本。</param>
///<returns>恢复好的文本。</returns>
publicstringHtmlDiscode(stringtheString)
{
theString=theString.Replace("&gt;",">");
theString=theString.Replace("&lt;","<");
theString=theString.Replace("&nbsp;","");
theString=theString.Replace("&nbsp;","");
theString=theString.Replace("&quot;","\"");
theString=theString.Replace("&#39;","\'");
theString=theString.Replace("<br/>","\n");
returntheString;
}

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