').html("用户名不能为空!").appendTo('.sub').fadeOut(2000);$("#user").focus();return false;}if(pass==""){$('
').html("密码不能为空!").appendTo('.sub').fadeOut(2000);$("#pass").focus();return false;}$.ajax({type:"GET",url:"/login_ajax?action=login",dataType:"jsonp",cache: false,data: {"user":user,"pass":pass},beforeSend: function(){jQuery("button.login_submit").attr({"disabled":"disabled"});$('').html("正在登录...").appendTo('.sub').fadeOut(2000);$("#pass").focus();},success: function(json){if(json.success==1){$("#login_form").remove();$("#login").html(json.html);}else{$("#msg").remove();$('').html(json.msg).css("color","#fff").appendTo('.sub').fadeOut(2000);jQuery("button.btn").removeAttr('disabled');return false;}}});});$("#logout").on('click',function(){$.post("login.php?action=logout",function(msg){if(msg==1){ $("#result").remove(); var div ="