jQuery+ajax 进入后台系统
$(document).ready(function(){$("#submitButton").live("click",function(){//进入后台系统var checkInfo=$("#checkInfo");var userName=$("#administrator").val();var password=$("#password").val();var checkCode=$("#checkCode").val();if(userName==""){checkInfo.html("").append("用户名不能为空!");return false;}else if(password==""){checkInfo.html("").append("密码不能为空!");return false;}else if(checkCode==""){checkInfo.html("").append("验证码不能为空!");return false;}else{var submitForm=$("#submitForm").serialize();$.post("admin_enterSystem.action",submitForm,function(data){var status=data.status;if(status==1){checkInfo.html("").append("验证码错误!");}else if(status==2){checkInfo.html("").append("用户名和密码错误 !");}else if(status==4){checkInfo.html("").append("管理员被锁定 !");}else{window.location.href="admin_index.jsp";}},"json");}});});?