service/src/main/java/com/free/controller/TestController.java

package com.free.controller;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.free.config.CustomizationException;
import com.free.config.ExceptionEnum;
import com.free.config.ResponseFormat;
import com.free.entity.Test;
import com.free.mq.MqListeners;
import com.free.service.TestService;

import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@RestController
@RequestMapping("/test")
public class TestController {
  @Autowired
  private TestService testService;

  @Autowired
  RabbitTemplate rabbitTemplate; // 使用RabbitTemplate,这提供了接收/发送等等方法

  @GetMapping("/mq/send")
  public Object mqSendTest() {
    String messageId = String.valueOf(UUID.randomUUID());
    String messageData = "message: M A N ";
    String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss"));
    Map<String, Object> manMap = new HashMap<>();
    manMap.put("messageId", messageId);
    manMap.put("messageData", messageData);
    manMap.put("createTime", createTime);
    rabbitTemplate.convertAndSend(MqListeners.exName, MqListeners.queueName + "1", manMap);
    return ResponseFormat.success();
  }

  /**
   * 列表查询
   * 
   * @return
   */
  @GetMapping()
  public Object list() {
    List list = testService.list();
    return ResponseFormat.success(list);
  }

  /**
   * 创建数据
   * 
   * @param test
   * @return
   */
  @PostMapping()
  public Object save(@RequestBody Test test) {
    boolean result = testService.save(test);
    return ResponseFormat.success((result));
  }

  /**
   * 修改数据
   * 
   * @param id
   * @param test
   * @return
   */
  @PostMapping("/{id}")
  public Object update(@PathVariable long id, @RequestBody Test test) {
    QueryWrapper<Test> qw = new QueryWrapper<Test>();
    qw.eq("id", id);
    Long num = testService.count(qw);
    if (num <= 0)
      throw new CustomizationException(ExceptionEnum.NOT_FOUND);
    testService.updateById(test);
    Test newData = testService.getById(id);
    return ResponseFormat.success(newData);
  }

  @DeleteMapping("/{id}")
  public Object delete(@PathVariable long id) {
    QueryWrapper<Test> qw = new QueryWrapper<Test>();
    qw.eq("id", id);
    Long num = testService.count(qw);
    if (num <= 0)
      throw new CustomizationException(ExceptionEnum.NOT_FOUND);
    testService.removeById(id);
    return ResponseFormat.success();
  }

}