Javascript验证xml格式

 1 <script>
 2 function validateXML(xmlContent)
 3 {
 4     //errorCode 0是xml正确，1是xml错误，2是无法验证
 5     var xmlDoc,errorMessage,errorCode = 0;
 6     // code for IE
 7     if (window.ActiveXObject)
 8     {
 9         xmlDoc  = new ActiveXObject("Microsoft.XMLDOM");
10         xmlDoc.async="false";
11         xmlDoc.loadXML(xmlContent);
12
13         if(xmlDoc.parseError.errorCode!=0)
14         {
15             errorMessage="错误code: " + xmlDoc.parseError.errorCode + "\n";
16             errorMessage=errorMessage+"错误原因: " + xmlDoc.parseError.reason;
17             errorMessage=errorMessage+"错误位置: " + xmlDoc.parseError.line;
18             errorCode = 1;
19         }
20         else
21         {
22             errorMessage = "格式正确";
23         }
24     }
25     // code for Mozilla, Firefox, Opera, chrome, safari,etc.
26     else if (document.implementation.createDocument)
27     {
28         var parser=new DOMParser();
29         xmlDoc = parser.parseFromString(xmlContent,"text/xml");
30         var error = xmlDoc.getElementsByTagName("parsererror");
31         if (error.length > 0)
32         {
33             if(xmlDoc.documentElement.nodeName=="parsererror"){
34                 errorCode = 1;
35                 errorMessage = xmlDoc.documentElement.childNodes[0].nodeValue;
36             } else {
37                 errorCode = 1;
38                 errorMessage = xmlDoc.getElementsByTagName("parsererror")[0].innerHTML;
39             }
40         }
41         else
42         {
43             errorMessage = "格式正确";
44         }
45     }
46     else
47     {
48         errorCode = 2;
49         errorMessage = "浏览器不支持验证，无法验证xml正确性";
50     }
51     return {
52         "msg":errorMessage,
53         "error_code":errorCode
54     };
55 }

方法调用：

1 $(document).ready(function(){
2     $(‘#xmlContent‘).bind(‘input propertychange‘, function() {
3         $(this).val() == "" || !validateXML($(this).val()).error_code ? $(this).removeClass("bolder") : $(this).addClass("bolder");
4     });
5 });