spring/wll/NoticeController.java

package com.yanzhen.controller;

import com.github.pagehelper.PageInfo;
import com.yanzhen.entity.Notice;
import com.yanzhen.entity.User;
import com.yanzhen.service.NoticeService; //
import com.yanzhen.service.UserService;
import com.yanzhen.utils.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;
//公告通知管理的控制器
@RestController
@RequestMapping("/notice")
public class NoticeController {
    //注入实例
    //注入通知公告服务类
    @Autowired
    private NoticeService noticeService;
    //注入用户服务类
    @Autowired
    private UserService userService;
    //创建新的实例
    @PostMapping("create")
    public Result create(@RequestBody Notice notice, HttpServletRequest request){
        //获取当前登录的用户信息
        User user = (User) request.getAttribute("user");
        // 设置当前用户的ID
        notice.setUserId(user.getId());
        //在通知公告服务类中引用create方法
        int flag = noticeService.create(notice);
        //判断是否创建成功
        if(flag>0){
            //成功
            return Result.ok();
        }else{
            //失败
            return Result.fail();
        }
    }
    //删除通知公告信息
    @GetMapping("delete")
    public Result delete(String ids){
        //在通知公告服务类中引用delete方法
        int flag = noticeService.delete(ids);
        //判断是否删除成功
        if(flag>0){
            //成功
            return Result.ok();
        }else{
            //失败
            return Result.fail();
        }
    }
//更新通知公告信息
@PostMapping("update")
public Result update(@RequestBody Notice notice){
    //在通知公告服务类中引用update方法
    int flag = noticeService.updateSelective(notice);
    //判断是否更新成功
    if(flag>0){
        //成功
        return Result.ok();
    }else{
        //失败
        return Result.fail();
    }
}
    //获取通知公告详细信息
    @GetMapping("detail")
    public Notice detail(Integer id){
        //返回结果
        return noticeService.detail(id);
    }
    //查询通知公告信息
    @PostMapping("query")
    public Map<String,Object> query(@RequestBody Notice notice){
        //创建分页对象
        PageInfo<Notice> pageInfo = noticeService.query(notice);
        //遍历查询结果列表
        pageInfo.getList().forEach(entity->{
            // 为公告设置对应的用户信息
            entity.setUser(userService.detail(entity.getUserId()));
        });
        //返回结果
        return Result.ok(pageInfo);
    }

}