实现了查看实时天气预报，把下面保存个网页即可。 呵呵~~~~
<!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>无标题文档</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>
总结：
1.js文件最好不要添加中文注释，会有不可控制的错误。
2.用esc.wsf压缩js文件最好只用到第3级，第四级会改变变量名称，但变量有时网页会用到。
3.注意返回值在onreadystatechange事件中，所以最好有个回调函数。
4.js文件包含其它js文件，必须要用函数实现。
<!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>无标题文档</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>总结：
1.js文件最好不要添加中文注释，会有不可控制的错误。
2.用esc.wsf压缩js文件最好只用到第3级，第四级会改变变量名称，但变量有时网页会用到。
3.注意返回值在onreadystatechange事件中，所以最好有个回调函数。
4.js文件包含其它js文件，必须要用函数实现。
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