spring/wll/DormitoryStudentController.java

package com.yanzhen.controller;

import com.github.pagehelper.PageInfo;
import com.yanzhen.entity.DormitoryStudent;
import com.yanzhen.entity.Student;
import com.yanzhen.service.DormitoryService;
import com.yanzhen.service.DormitoryStudentService;
import com.yanzhen.service.StudentService;
import com.yanzhen.utils.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Map;
//学生宿舍管理的控制器
@RestController
@RequestMapping("/dormitoryStudent")
public class DormitoryStudentController {
    //注入实例
    // 注入DormitoryStudent服务类
    @Autowired
    private DormitoryStudentService dormitoryStudentService;
    //注入学生服务类
    @Autowired
    private StudentService studentService;
    //注入宿舍服务类
    @Autowired
    private DormitoryService dormitoryService;

    //创建新的实例
    @PostMapping("create")
    public Result create(@RequestBody DormitoryStudent dormitoryStudent){
        //在学生宿舍服务类引用create方法
        int flag = dormitoryStudentService.create(dormitoryStudent);
        //判断是否创建成功
        if(flag>0){
            //成功
            return Result.ok();
        }else{
            //失败
            return Result.fail();
        }
    }
    //根据ID删除学生宿舍记录
    @GetMapping("delete")
    public Result delete(String ids){
        //在学生宿舍服务类引用delete方法
        int flag = dormitoryStudentService.delete(ids);
        //判断是否删除成功
        if(flag>0){
            //成功
            return Result.ok();
        }else{
            //失败
            return Result.fail();
        }
    }
    //更新学生宿舍记录
    @PostMapping("update")
    public Result update(@RequestBody DormitoryStudent dormitoryStudent){
        //在学生宿舍服务类引用update方法
        int flag = dormitoryStudentService.update(dormitoryStudent);
        //判断是否更新成功
        if(flag>0){
            //成功
            return Result.ok();
        }else{
            //失败
            return Result.fail();
        }
    }
    //获取学生宿舍记录详细信息
    @GetMapping("detail")
    public DormitoryStudent detail(Integer id){
        //返回结果
        return dormitoryStudentService.detail(id);
    }
    //查询学生宿舍记录
    @PostMapping("query")
    public Map<String,Object> query(@RequestBody DormitoryStudent dormitoryStudent){
        //创建分页对象
        PageInfo<DormitoryStudent> pageInfo = dormitoryStudentService.query(dormitoryStudent);
        //遍历查询结果
        pageInfo.getList().forEach(entity->{
            //根据学生宿舍记录获取对应学生详细信息
            Student detail = studentService.detail(entity.getStudentId());
            entity.setStudent(detail);
        });
        //返回结果
        return Result.ok(pageInfo);
    }
}