a99061014
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于 2007-10-22 10:56
var XMLHttpReq; function createXMLHttpRequest() { if (window.XMLHttpRequest) { XMLHttpReq=new XMLHttpRequest(); }else if (window.ActiveXObject) { try { XMLHttpReq = new ActiveXObject("Msxm12.XMLHTTP"); }catch { } } }
function sendRequest(url) { createXMLHttpRequest(); XMLHttpReq.open("GET",url,true); XMLHttpReq.onreadystatechange = processResponse; XMLHttpReq.send(null); }
function processResponse() { if (XMLHttpReq.readyState==4) { if (XMLHttpReq.status==200) { var res = XMLHttpReq.responseXML.getElementsByTagName("res")
[0].firstChild.data; window.alert(res); }else{ window.alert("你所请求的页面有异常"); } } } function check(username,password){ if(username==""){ window.alert("用户名不能为空!"); return false; } if(password=="") { window.alert("密码不能为空"); return false; } else{ sendRequest('/user?username='+username+'&password='+password); } }
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