private void userShowInfor(HttpServletRequest req,HttpServletResponse resp)throws IOException,ServletException{
//处理请求
//调用service,因为查询所有数据 所以返回List
List lu = ls.userShowService();
System.out.println("list输出:"+lu);
System.out.println("list输出:"+lu.get(0));
resp.getWriter().write(new Gson().toJson(lu));
if(lu!=null){
req.setAttribute("lu",lu);
}
}
导入了jar包,在eclipse使用这句话没问题,但是同样的代码放到idea上就会500