springboot2整合mybatis

pom.xml

<dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.4</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>

 

application.yml

spring:
  datasource:
    url: jdbc:mysql://127.0.0.1:3306/test?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8&useSSL=true
    username: root
    password: root
    driver-class-name: com.mysql.cj.jdbc.Driver

mybatis:
  type-aliases-package: com.example.springboot_demo.entity
  mapper-locations: classpath:mappers/*/*.xml
  configuration:
    # 开启驼峰命名转换，如：Table(create_time) -> Entity(createTime)。不需要我们关心怎么进行字段匹配，mybatis会自动识别`大写字母与下划线`
    map-underscore-to-camel-case: true

 

启动类

 

 

 

 

 

<?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 namespace="com.example.springboot_demo.mapper.xxxMapper">

    <select id="queryUserInfo" resultType="com.example.springboot_demo.entity.xxx.Students">
        select * from students
    </select>

</mapper>