Idea初始化构建项目

SpringBoot-yml配置文件

DataSource

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://192.168.136.180:3306/demo?characterEncoding=UTF-8
    username: root
    password: 123456

Mybatis

mybatis:
  #对应dao接口实现xml文件目录
  mapper-locations: classpath:/mapper/*.xml
  #对应实体类文件目录
  type-aliases-package: org.mu.com.demo.entity

SpringBoot-Application类

启动类添加MapperScan自动扫描集成包

@MapperScan(basePackages = "org.mu.com.demo.dao")

Mybatis-Xml文件

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<!--mapper的命名空间-->
<mapper namespace="org.mu.com.demo.dao.DemoMapper">

    <!--对应dao接口方法-->

</mapper>

代码压缩包

鼠标右键，从链接另存文件，直接点击是跳转！

demo.zip