SpringBoot中MybatisX插件的简单使用教程(图文)

        <!--mybatisPlus-->
        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus-boot-starter</artifactId>
            <version>3.5.1</version>
        </dependency>

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/user?characterEncoding=utf-8&useSSL=false&serverTimezone=GMT
    username: root
    password: password

package com.example.mybatixtest.controller;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.example.mybatixtest.pojo.User;
import com.example.mybatixtest.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class TestController {
    @Autowired
    UserService userService;
    @GetMapping("/test")
    public User test(){
        QueryWrapper<User> userQueryWrapper = new QueryWrapper<>();
        userQueryWrapper.eq("user_id",1);
        User user = userService.getOne(userQueryWrapper);
        return user;
    }
}