杨校老师项目之基于SpringBoot的驾校预约课程管理系统

package online.javabs.carschool.controller;


import online.javabs.carschool.pojo.Driver;
import online.javabs.carschool.service.DriverService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created with IntelliJ IDEA-2024.1
 * Author: 杨校老师
 * Date: 2024/05/15
 * @ProjectName car_school
 * 公众号：猿媛不断
 * 博  客：https://mryang.blog.csdn.net
 */
@Controller
@RequestMapping("/driver")
public class DriverController {
    
    private DriverService driverService;

    @Autowired
    public DriverController(DriverService driverService) {
        this.driverService = driverService;
    }

    /**
     * 车型列表
     *
     * @return
     */
    @ResponseBody
    @RequestMapping(value = "getDriverList")
    public Map<String, Object> getDriverList() {
        // 创建Map集合 作为返回值结果
        Map<String, Object> mapjson = new HashMap<>();
        // 调用Service中查询车型列表的方法，返回集合
        List<Driver> driverList = driverService.getDriverList();
        // 判断: 该集合中是否存在数据，存在则保存到Map集合中，并保存状态码
        if (driverList.size() > 0) {
            mapjson.put("code", 200);
            mapjson.put("data", driverList);
        } else {
            mapjson.put("code", 201);
            mapjson.put("data", "数据不存在");
        }
        // 返回Map集合
        return mapjson;

    }
}