JS与SpringMVC前后端交互：数组数据提交至后台的实现方法

var ids =new Array();
$.ajax({
  type: "POST",
  url: "/user/downReport",
  dataType: "html",
  traditional: true,
  data:{
    downReportArray:ids
  },
  async: true,
  success: function (data) {
    if(data.code==200){
      console.log("正在打包...")
    }
  }
});

  @RequestMapping(value = "/downReport", method = {RequestMethod.POST})
  @ResponseBody
  public Object downReport(@RequestParam(value = "downReportArray") Long[] downReportArray,HttpServletRequest request ) throws Exception {
   　　...
  }