jquery 锁屏

var w = $(window).width();  
var h = $(window).height();  
var x = $(window).scrollLeft();  
var y = $(window).scrollTop();  
ls= $("<div>").css({
position:"absolute",  
width:w,  
height:h,  
left:x,  
top:y,
"text-align":"center",
filter:"alpha(opacity=60)",  
"background-color":"#f0f8ff"  
}).html("正在处理，请稍等").appendTo("body").slideDown(200);



//解除锁屏
ls.remove();


感谢_御少