JS处理xml特殊字符
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<
>转化成>
‘转化成'
“转化成"
&转化成&
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, "&").replace( /"/g, """).replace( /</g, "<").replace( />/g, ">") ; 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());??
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