模拟 click操作 触发 click 事件 有大用 有大大用

 $(".leftUpload").click(function () {

var inplay = getCookie("inplayer");

if (parseInt(inplay) == 1) {
title = "温馨提示";
content = "为了更好地实现该功能，请选用谷歌浏览器；待上传的自定义个性图片需要用底色为透明的png格式图片。";
button = "<a href='javascript:;' class='playerUpload' csname='leftUpload' cllr='left'>确定</a><a href='javascript:;' class='close'>取消</a>"
          Popuplayer(title, content, button);
return false;
      }

if (parseInt($(".headsetBiglogo").attr("rel")) == 1) {
title = "提示";
content = "是否要删除默认Logo样式 ? <br/>为了更好地实现该功能，请选用谷歌浏览器；待上传的自定义个性图片需要用底色为透明的png格式图片";
button = "<a href='javascript:;' class='deletelogostyle'>确定</a><a href='javascript:;' class='close'>取消</a>"
          Popuplayer(title, content, button);
return false;
      }

var input = $(this).next();

input.click();

$(input).on("change", function () {

upload(input,"left");

      });
//Compute();
  });