jQuery中终止Ajax请求

var request = $.get("ajax.aspx",{id:1},function(data){
    //do something
});

//终止请求动作.
request.abort();

可防止重复提交请求:

var request;

 

if(request != null)

    request.abort();

 

request = $.get("ajax.aspx",{id:1},function(){

    //do something

});