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http_request.open("POST",url,true);
http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
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http_request.open("POST",url,true);
http_request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
http_request.send("action="+strName+"&val="+escape(val)); //valµÄֵΪÖÐÎIJ»»á²úÉúÂÒÂë
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PHP:header('Content-Type:text/html;charset=GB2312');
ASP:Response.Charset("GB2312")
JSP:response.setHeader("Charset","GB2312");
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<head>
<title>xmlhttprequest ajax demo</title>
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