验证码过期！请重新输入验证码！function login() {if (document.getElementById(""code"").value.length < 4) {alert(""请填写验证码"");document.getElementById(""code"").focus();event.preventDefault();}else{ $.ajax({type: ""POST"",dataType: ""json"",url: ""/index/feiluyzm"" ,data: $('#form1').serialize(),success: function (result) {window.location.reload();},error : function() {alert(""异常！"");}});}}"