<script type="text/java script"> var xmlHttp; function checkLogin(userName,userPassword) { var cookieEnabled=(navigator.cookieEnabled)? true : false; if(!cookieEnabled) { alert("请开启浏览器COOKIE功能!"); return false; } var type = 0; for (var i = 0; i < document.getElementsByName("radio").length; i++) { if(document.getElementsByName("radio")[i].checked) //判断帐号类型 { type = document.getElementsByName("radio")[i].value; } } if(document.getElementById("txtUserName").value==""||document.getElementById("txtUserName").value==null) { alert("请输入登录帐号!"); document.getElementById("txtUserName").focus(); return false; } if(document.getElementById("txtUserPassword").value==""||document.getElementById("txtUserPassword").value==null) { alert("请输入登录密码!"); document.getElementById("txtUserPassword").focus(); return false; } if(document.getElementById("txtUserPassword").value.length <= 5) { alert("登录密码不能少于六位!"); document.getElementById("txtUserPassword").focus(); return false; } createXMLHTTP(); var url="login.aspx?userName="+escape(userName)+"&userPassword="+userPassword+"&type="+escape(type)+""; xmlHttp.open("GET",url,true); xmlHttp.onreadystatechange=checkUserLogin; xmlHttp.send(null); } function createXMLHTTP()//创建XMLHttpRequest对象 { if(window.XMLHttpRequest) { xmlHttp=new XMLHttpRequest(); } else if(window.ActiveXObject) { xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");//IE新版本 if(!xmlHttp) { xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");//IE老版本 } } if(!xmlHttp) { window.alert("不能创建XMLHttpRequest对象实例!"); return false; } } function checkUserLogin() { if(xmlHttp.readyState==4) { if(xmlHttp.status==200) { if(xmlHttp.responseText=="true") { window.location.href="officeTable.aspx"; } else { alert("帐号或密码不正确!"); document.getElementById("txtUserName").value=""; document.getElementById("txtUserPassword").value=""; document.getElementById("txtUserName").focus(); } } } } </script>
</head> <body onload="document.getElementById('txtUserName').focus();"> <div id="container" style="left: 200px; top: 100px"> <div id="pageBody"> <form action="login.aspx" method="post" id="loginForm"> <ul> <li>登录帐号:<input type="text" name="txtUserName" id="txtUserName" maxlength="18" style="width: 135px; height: 16px" /> </li> <li>登录密码:<input type="password" name="txtUserPassword" id="txtUserPassword" maxlength="18" style="width: 135px; height: 16px" /> </li> <li> <input type="radio" name="radio" checked="checked" value="员工" />员工 <input type="radio" name="radio" value="管理" />管理 </li> <li> <input type="button" name="submitLogin" value="" style="background-image: url(images/login.bmp); border: 0; height: 25px; width: 122px; cursor:pointer" onclick="checkLogin(document.getElementById('txtUserName').value,document.getElementById('txtUserPassword').value)" /> </li> </ul> </form> </div> </div> </body> </html>
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