GET：<script type="text/javascript">
<!-- var xmlHttpRequest; function createXMLHttpRequest(){ try { // Firefox, Opera 8.0+, Safari xmlHttpRequest=new XMLHttpRequest(); } catch (e) { // Internet Explorer try { xmlHttpRequest=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("您的浏览器不支持AJAX！"); return false; } } } } //发送请求函数 function sendRequestPost(url,param){ createXMLHttpRequest(); xmlHttpRequest.open("GET",url+"?"+param,true); xmlHttpRequest.onreadystatechange = processResponse; } //处理返回信息函数 function processResponse(){ if(xmlHttpRequest.readyState == 4){ if(xmlHttpRequest.status == 200){ var res = xmlHttpRequest.responseText; window.alert(res); }else{ window.alert("请求页面异常"); } } } //身份验证函数 function userCheck(){ var userName = document.loginForm.username.value; var psw = document.loginForm.password.value; if(userName == ""){ window.alert("用户名不能为空"); document.loginForm.username.focus(); return false; } else{ var url = "Servlet/userLogin_do"; var param = "userName="+userName+"&psw="+psw; sendRequestPost(url,param); } } // --></script> <script type="text/javascript"><!-- var xmlHttpRequest; function createXMLHttpRequest(){ try { // Firefox, Opera 8.0+, Safari xmlHttpRequest=new XMLHttpRequest(); } catch (e) {
// Internet Explorer try { xmlHttpRequest=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {
try { xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("您的浏览器不支持AJAX！"); return false; } } }
} //发送请求函数 function sendRequestPost(url,param){ createXMLHttpRequest(); xmlHttpRequest.open("GET",url+"?"+param,true); xmlHttpRequest.onreadystatechange = processResponse; } //处理返回信息函数 function processResponse(){ if(xmlHttpRequest.readyState == 4){ if(xmlHttpRequest.status == 200){ var res = xmlHttpRequest.responseText; window.alert(res); }else{ window.alert("请求页面异常"); } } } //身份验证函数 function userCheck(){ var userName = document.loginForm.username.value; var psw = document.loginForm.password.value; if(userName == ""){ window.alert("用户名不能为空"); document.loginForm.username.focus(); return false; } else{ var url = "Servlet/userLogin_do"; var param = "userName="+userName+"&psw="+psw; sendRequestPost(url,param); } }// --></mce:script>
POST：view plaincopy to clipboardprint?<mce:script type="text/javascript"><!-- var xmlHttpRequest; function createXMLHttpRequest(){ try { // Firefox, Opera 8.0+, Safari xmlHttpRequest=new XMLHttpRequest(); } catch (e) { // Internet Explorer try { xmlHttpRequest=new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try { xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { alert("您的浏览器不支持AJAX！"); return false; } } } } //发送请求函数 function sendRequestPost(url,param){ createXMLHttpRequest(); xmlHttpRequest.open("POST",url,true); xmlHttpRequest.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); xmlHttpRequest.onreadystatechange = processResponse; xmlHttpRequest.send(param); } //处理返回信息函数 function processResponse(){ if(xmlHttpRequest.readyState == 4){ if(xmlHttpRequest.status == 200){ var res = xmlHttpRequest.responseText; window.alert(res); }else{ window.alert("请求页面异常"); } } } //身份验证函数 function userCheck(){ var userName = document.loginForm.username.value; var psw = document.loginForm.password.value; if(userName == ""){ window.alert("用户名不能为空"); document.loginForm.username.focus(); return false; } else{ //var url = "Servlet/userLogin_do?userName="+userName+"&psw="+psw; var url = "Servlet/userLogin_do"; var param = "userName="+userName+"&psw="+psw; sendRequestPost(url,param); } } // --></script>
