idea中ssm框架整合

package com.ssm.controller;

import com.ssm.model.User;
import com.ssm.service.IUserService;
import com.fasterxml.jackson.databind.objectMapper;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@Controller
@RequestMapping（“/user“）
public class UserController {

    @Resource
    private IUserService userService;

    @RequestMapping（“/showUser.do“）
    public void selectUser（HttpServletRequest request HttpServletResponse response） throws IOException {
        request.setCharacterEncoding（“UTF-8“）;
        response.setCharacterEncoding（“UTF-8“）;
        long userId = Long.parseLong（request.getParameter（“id“））;
        User user = this.userService.selectUser（userId）;
        objectMapper mapper = new objectMapper（）;
        response.getWriter（）.write（mapper.writeValueAsString（user））;
        response.getWriter（）.close（）;
    }

}