No primary or single public constructor found for interface java.util.List - and no default construc

   @RequestMapping("/batchDeleteProduct")
    public   TmyResult batchDeleteProduct( List<Integer> ids){

        System.out.println(ids);
        return null;
    }
``需要在list前面添加注解@RequestParam(value = "ids" ,required=false)
如下图




   @RequestMapping("/batchDeleteProduct")
    public   TmyResult batchDeleteProduct( @RequestParam(value = "ids",required=false) List<Integer> ids){

        System.out.println(ids);
        return null;
    }