接口层

package com.example.servlet;
import com.example.dao.StoreDao;
import com.example.pojo.Store;
import com.google.gson.Gson;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
 * @author 23839
 */
@WebServlet(name = "a1",value = "/a1")
public class AjaxShowdisplay extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setCharacterEncoding("utf-8");
        resp.setContentType("text/html; charset=UTF-8");
        String name = req.getParameter("uname");
        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        Store store = StoreDao.checkStoreInfo(name);
        System.out.println(store.toString());
        resp.getWriter().write(new Gson().toJson(store));
    }
}