1、添加依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.3.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.mooc.house</groupId>
<artifactId>house</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>house</name>
<description>Demo project for Spring Boot</description>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<mysql.version>6.0.6</mysql.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<!-- mybatis封装包 -->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.2.0</version>
</dependency>
<!-- mysql-jdbc -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!-- 引入tomcat容器 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 引入jetty容器 -->
<!-- <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jetty</artifactId>
</dependency> -->
<!-- 阿里巴巴数据库连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
2、添加application.properties配置
server.port=8090
#注:以下配置属于tomcat配置使用
#&serverTimezone=UTC(避免Mysql Connector/J 6.x以上的版本,然后就报了时区的错误)
#spring.datasource.url=jdbc:mysql://localhost:3306/houses?characterEncoding=UTF-8&serverTimezone=UTC
#spring.datasource.username=root
#spring.datasource.password=
#spring.datasource.driver-class-name=com.mysql.jdbc.Driver #过期
#spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
#mybatis配置文件的存放路径
mybatis.config-location=classpath:/mybatis/mybatis-config.xml
#配置dirudi数据库连接池
spring.druid.driverClassName=com.mysql.cj.jdbc.Driver
spring.druid.url=jdbc:mysql://localhost:3306/houses?characterEncoding=UTF-8&serverTimezone=UTC
spring.druid.username=root
spring.druid.password=******
#最大连接数
spring.druid.maxActive=30
#最小连接数
spring.druid.minIdle=5
#获取最大的链接等待时间
spring.druid.maxWait=10000
#解决mysql8小时的问题,验证时候正常
spring.druid.validationgQuery=SELECT 'x'
#空闲连接检查间隔
spring.druid.timeBetweenEvictionRunMillis=60000
#空闲连接最小空闲时间
spring.druid.minEvictableIdleTimeMillis=300000
3、创建mybatis-config.xml配置
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<settings>
<!-- 配置关闭缓存 -->
<setting name="cacheEnabled" value="false"/>
<setting name="mapUnderscoreToCamelCase" value="true"/>
<setting name="useGeneratedKeys" value="false"/>
<setting name="defaultExecutorType" value="REUSE"/>
<!-- 事物超时时间 -->
<setting name="defaultStatementTimeout" value="600" />
</settings>
<typeAliases>
<typeAlias type="com.mooc.house.common.model.User" alias="user"></typeAlias>
</typeAliases>
<mappers>
<mapper resource="mapper/User.xml"/>
</mappers>
</configuration>
4、创建User.xml配置
<?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.mooc.house.mapper.UserMapper">
<select id="selectUsers" resultType="user">
select id,name,email,phone from user
</select>
</mapper>
5、创建UserMapper.java
package com.mooc.house.mapper;
import java.util.List;
import org.apache.ibatis.annotations.Mapper;
import com.mooc.house.common.model.User;
@Mapper
public interface UserMapper {
public List<User> selectUsers();
}
6、编写好rest启动测试