1  /*******************回车键提交***********************************/ 2             document.onkeydown = function (e) { 3                 var ev = document.all ? window.event : e; 4                 if (ev.keyCode == 13) { 5                     if ($(".ds_dialog").length > 0) { 6                         return; 7                     } 8                     return CheckInput('txtUserName', 'txtCheckCode', 'lblError', 'hidErrCount'); 9                 }10             }

1 /*******************登录提交***********************************/ 2         var isEnabledClick = 0; //防止连续点击 3         function CheckInput(txtUserName, txtCheckCode, lblError, txtErrCount){ 4             var paramUserName = document.getElementById(txtUserName).value; 5             var paramCheckCode = document.getElementById(txtCheckCode).value; 6             var lang = document.getElementById("lang").value; 7             if (paramUserName.length <= 0) { 8                 var errorMsg = lang == "en" ? "please input the User Name!" : "请输入用户名！"; 9                 layer.alert(errorMsg, {10                     title: lang == "en" ? "Message reminding" : '消息提示',11                     btn: [lang == "en" ? "yes" : "确定"]12                 });13                 $("#txtUserName").focus();14                 return;15             }16 17             var pwd = $("#txtPassWord").val();18             if (pwd.length <= 0) {19                 var errorMsg = lang == "en" ? "please input the User password!" : "请输入密码！";20                 layer.alert(errorMsg, {21                     title: lang == "en" ? "Message reminding" : '消息提示',22                     btn: [lang == "en" ? "yes" : "确定"]23                 });24                 $("#txtPassWord").focus();25                 return;26             }27             ///28             if (isEnabledClick == 0) {29                 isEnabledClick = 1;30                 $("#btnLogin").attr('disabled', "true");31             }32             else {33                 var errorMsg = lang == "en" ? "Logging in, please later!" : "已经提交，请等待......";34                 layer.alert(errorMsg, {35                     title: lang == "en" ? "Message reminding" : '消息提示',36                     btn: [lang == "en" ? "yes" : "确定"]37                 });38                 return;39             }40             setTimeout(function () {41                 isEnabledClick = 0;42             }, 3000);