jquery ajax批量删除

$(function(){

          var chk_value =[];

        $(".del").click(function(){

            var str = '';

             $('input[name="mdimore"]:checked').each(function(){

                    //var id={ id: "$(this).val()"};

                    //alert(id);

                    str += "{id:" + $(this).val() + "},"

              });

            if(str==''){

 

                alert("至少选一项");

                return false;

            }

 

            str = '[' + str.substring(0,str.length-1) + ']';

            $.ajax({ 

                type:"POST", 

                url:"/Home/index.php/Index/delcollect", 

                data:{data:str}, 

                success:function(){ 

                    alert('删除成功');

                    window.location.reload();

                }

            }); 

            return false; 

        })

    });