<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>無標題文檔</title></head><script type="text/javascript" src="js/detect.js"></script><script type="text/javascript" src="js/stringbuffer.js"></script><body>
<script type="text/javascript">
if (typeof XMLHttpRequest == "undefined" && window.ActiveXObject) {
function XMLHttpRequest() { var arrSignatures = ["MSXML2.XMLHTTP.5.0", "MSXML2.XMLHTTP.4.0", "MSXML2.XMLHTTP.3.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"]; for (var i=0; i < arrSignatures.length; i++) { try { var oRequest = new ActiveXObject(arrSignatures[i]); return oRequest; } catch (oError) { 
} } } } function test(){ try { var strUrl="http://www.ayandy.com/Service.asmx"; var oBuffer=new StringBuffer() oBuffer.append('<?xml version="1.0" encoding="utf-8"?> <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"> '); oBuffer.append('<soap:Body><getWeatherbyCityName xmlns="http://tempuri.org/"> <theCityName>'); oBuffer.append("昆明"); oBuffer.append("</theCityName><theDayFlag>"); oBuffer.append("Today"); oBuffer.append("</theDayFlag></getWeatherbyCityName></soap:Body></soap:Envelope>"); var objXMLHttp = new XMLHttpRequest(); objXMLHttp.open("Post",strUrl, true); objXMLHttp.setRequestHeader("Content-Type", "text/xml; charset=utf-8"); objXMLHttp.setRequestHeader("SOAPAction", "http://tempuri.org/getWeatherbyCityName"); objXMLHttp.onreadystatechange = function () { if (objXMLHttp.readyState == 4) { if(objXMLHttp.status==200) { fnGetWeather(objXMLHttp.responseText.toString()); }else { return objXMLHttp.statusText ; } } } objXMLHttp.send(oBuffer.toString()); } catch(e){alert(e.description);} } function fnGetWeather(sTheGet) { var reg = /<string>(.*?)</string>/gi; var arrMatch=sTheGet.match(reg); var reg4=/<string>(.*)</string>/; var i; var strAll=new StringBuffer(); strAll.append("今天:"); for(i=0;i<arrMatch.length-2;i++) { reg4.test(arrMatch[i]); strAll.append(RegExp.$1); strAll.append(" "); } alert(strAll.toString()); }alert(test());
</script></body></html>總結：
1.js文件最好不要添加中文註釋，會有不可控制的錯誤。
2.用esc.wsf壓縮js文件最好只用到第3級，第四級會改變變量名稱，但變量有時網頁會用到。
3.注意返回值在onreadystatechange事件中，所以最好有個回調函數。
4.js文件包含其它js文件，必須要用函數實現。
