springboot 零xml集成mybatis

<?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"> <parent>
<artifactId>springboot-demo</artifactId>
<groupId>cn.xiaojf</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>

<artifactId>springboot-mybatis-annotation</artifactId>

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>

<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.3.1</version>
</dependency>

<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.45</version>
</dependency>

</dependencies>

</project>

#应用端口号
server.port=8010
#freemarker 默认文件后缀
spring.freemarker.suffix=.html

#数据库设置
spring.datasource.driverClassName = com.mysql.jdbc.Driver
spring.datasource.url = jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8
spring.datasource.username = root
spring.datasource.password = root
#mybatis 设置
##mybatis.type-aliases-package=cn.xiaojf.springboot.mybatis.annotation.entity
mybatis.mapper-locations=classpath:**/mapper/*.xml

Application.java

package cn.xiaojf.springboot.mybatis.annotation;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

Mapper

package cn.xiaojf.springboot.mybatis.annotation.mapper;

import cn.xiaojf.springboot.mybatis.annotation.entity.User;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface UserMapper {
List<User> findByUserName(String name);

User findUserAddrByName(String name);
}

UserService.java

package cn.xiaojf.springboot.mybatis.annotation.service;

public interface UserService {
void findByUserName(String name);

void findUserAddrByName(String name);
}

UserServiceImpl.java

package cn.xiaojf.springboot.mybatis.annotation.service.impl;

import cn.xiaojf.springboot.mybatis.annotation.entity.User;
import cn.xiaojf.springboot.mybatis.annotation.entity.UserAddr;
import cn.xiaojf.springboot.mybatis.annotation.mapper.UserMapper;
import cn.xiaojf.springboot.mybatis.annotation.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserMapper userMapper;

@Override
public void findByUserName(String name) {
List<User> list = userMapper.findByUserName(name);
if (list != null) {
for (User user : list) {
System.out.println(user.getName());
}
}
}

@Override
public void findUserAddrByName(String name) {
User user = userMapper.findUserAddrByName(name);
if (user != null) {
List<UserAddr> userAddrList = user.getUserAddrList();
if (userAddrList != null) {
for (UserAddr userAddr : userAddrList) {
System.out.println(userAddr.getName());
}
}
}
}
}

https://gitee.com/xiaojf/springboot-demo/tree/master/springboot-mybatis-annotation