xml特殊字符处理(js)

本周使用cell表结合xmlhttp组件开发异步多行数据插入操作,遇到数据为&时发生xml解析错误

Reflector和google后发现
是由于特殊字符造成，需要进行处理：
<转化成&lt;
>转化成&gt;
‘转化成&apos;
“转化成&quot;
&转化成&amp;

在W3C的技术规范中，也可以看到这样的字符不允许出现：
http://www.w3.org/TR/2001/REC-xml-c14n-20010315

于是找了一个javascript的htmlEncode函数:

        HTMLEncode  =   function ( text )
    {
     if  (  typeof ( text )  !=   " string "  )
       text  =  text.toString() ;

    text  =  text.replace(
        /&/ g,  " &amp; " ).replace(
        / " /g,  " & quot; " ).replace(
       /</g,  " & lt; " ).replace(
       />/g,  " & gt; " ) ;

    return text ;
    }

问题解决,使用时:
前台js拼凑xml string:

         function  GetString(iRow)
        {
                s1  =  HTMLEncode(form1.DCellWeb1.GetCellString( 2 ,iCurrentRow, 0 )); 
                 s2  =  HTMLEncode(form1.DCellWeb1.GetCellString( 3 ,iCurrentRow, 0 ));
                 s3  =  HTMLEncode(form1.DCellWeb1.GetCellString( 4 ,iCurrentRow, 0 ));
                 s4  =  HTMLEncode(form1.DCellWeb1.GetCellString( 5 ,iCurrentRow, 0 ));
           
             return   " <xml version='1.0' encoding='GB2312'><data> " +
             " <s1> " + s1 + " </s1> "   +
             " <s2> " + s2 + " </s2> "   +
             " <s3> " + s3 + " </s3> "   +       
             " <s4> " + s4 + " </s4> "   +                 
             " </data></xml> "    
        }

后台c#解析:

string  sProjCode, sProjName, sUnitName, sManager, sDirectionCode;

        System.Xml.XmlDocument xDoc  =   new  System.Xml.XmlDocument();
        xDoc.Load(Request.InputStream);

        sProjCode  =  HttpUtility.HtmlDecode(xDoc.GetElementsByTagName( " s1 " )[ 0 ].InnerText.Trim());
        sProjName  =  HttpUtility.HtmlDecode(xDoc.GetElementsByTagName( " s2 " )[ 0 ].InnerText.Trim());
        sUnitName  =  HttpUtility.HtmlDecode(xDoc.GetElementsByTagName( " s3 " )[ 0 ].InnerText.Trim());
        sManager  =  HttpUtility.HtmlDecode(xDoc.GetElementsByTagName( " s4 " )[ 0 ].InnerText.Trim());