讀dwr的engine.js源碼，看到convertXml這個方法：
[xhtml:showcolumns]
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/**
* Marshall an object
* @private
* @see dwr.engine.serialize.convert() for parameter details
*/
convertXml:function(batch, referto, data, name, depth) {
var output;
if (window.XMLSerializer) output = new XMLSerializer().serializeToString(data);
else if (data.toXml) output = data.toXml;
else output = data.innerHTML;
return "xml:" + encodeURIComponent(output);
}
裡面用瞭XMLSerializer，這個在IE6下面不支持。
toXml，ff和ie6下面都undefined，估計是自定義轉化xml的方法名吧。
最後一個data.innerHTML，是針對html dom對象的。
如果過傳的是對象是構造的xml對象，如下構造的：
[xhtml:showcolumns]
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function stringToXML(xmlData){
if (window.ActiveXObject) {
//for IE
xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
xmlDoc.async = "false";
xmlDoc.loadXML(xmlData);
return xmlDoc;
}
else
if (document.implementation && document.implementation.createDocument) {
//for Mozila
parser = new DOMParser();
xmlDoc = parser.parseFromString(xmlData, "text/xml");
return xmlDoc;
}
}
這樣傳進去隻有在ff下測試成功，執行的是這個方法XMLSerializer，IE6下報錯error，
在網上查瞭下，上面說的ie9支持XMLSerializer這個。
呵呵。。。小弟看源碼和測試的結果，不知道有錯沒，如果有請看到的大牛們指出來，謝謝？
摘自 懶人小何