jquery determines whether checkbox is empty

跳至 [1] [全屏预览]

        //导出excel数据
        $("#export").click(function () {

                 if($(".list input[name='stuid[]']:checked").size()==0){    
                alert("请先勾选学生信息，再做导出操作！");   
                return false;   
            } else {
                $(".sendform").attr({action: "./export.php?do=export", method: "post"});
                $('.sendform').submit();
            }

        });