一、添加依赖
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org.mybatis.spring.boot mybatis-spring-boot-starter 1.2.0 MySQL mysql-connector-java runtime
二、基于mybais注解的集成
2.1、配置数据源
##################################mysql数据源配置################################## spring.datasource.url=jdbc:mysql://localhost/db_test?useUnicode=true&characterEncoding=utf-8 spring.datasource.username=root spring.datasource.password=123456 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
2.2、java代码
User.java
package com.example.demo.pojo;
import java.io.Serializable;
import java.util.Date;
/**
* 用户实体类
* @Author: 我爱大金子
* @Description: 用户实体类
* @Date: Created in 14:25 2017/6/18
*/
public class User implements Serializable {
private Integer id;
private String name;
private Date createTime;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Date getCreateTime() {
return createTime;
}
public void setCreateTime(Date createTime) {
this.createTime = createTime;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", name='" + name + '\'' +
", createTime=" + createTime +
'}';
}
}UUserMapper.java
package com.example.demo.mapper;
import com.example.demo.pojo.User;
import org.apache.ibatis.annotations.*;
import org.apache.ibatis.type.JdbcType;
/**
* 用户Mapper
* @Author: 我爱大金子
* @Description: 用户Mapper
* @Date: Created in 14:28 2017/6/18
*/
@Mapper
public interface UserMapper {
/**添加用户*/
@Insert(value = "insert into user (name,create_time) values (#{name,jdbcType=VARCHAR},#{createTime,jdbcType=TIMESTAMP})")
int insert(User record);
/**根据id查询用户*/
@Select(value = "select id, name, create_time from user where id = #{id,jdbcType=INTEGER}")
@Results(value = { @Result(column = "create_time", property = "createTime", jdbcType = JdbcType.TIMESTAMP) })
User selectByPrimaryKey(Integer id);
}2.3、测试
package com.example.demo;
import com.example.demo.mapper.UserMapper;
import com.example.demo.pojo.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.Date;
@RunWith(SpringRunner.class)
@SpringBootTest
public class SpringbootDemo27ApplicationTests {
@Autowired
private UserMapper mapper;
@Test
public void insert() {
User user = new User();
user.setName("测试");
user.setCreateTime(new Date());
int result = mapper.insert(user);
System.out.println(result);
}
@Test
public void select() {
User result = mapper.selectByPrimaryKey(1);
System.out.println(result);
}
}运行insert方法：
运行select方法：
三、基于mybatis的xml集成
3.1、配置
##################################mysql数据源配置################################## spring.datasource.url=jdbc:mysql://localhost/db_test?useUnicode=true&characterEncoding=utf-8 spring.datasource.username=root spring.datasource.password=123456 spring.datasource.driver-class-name=com.mysql.jdbc.Driver ##################################mybatis基于xml集成################################## #扫包 mybatis.mapper-locations: classpath:mybatis/*.xml #别名 #mybatis.type-aliases-package: com.example.demo.pojo
3.2、java代码
UUserMapper2.java
package com.example.demo.mapper;
import com.example.demo.pojo.User;
import org.apache.ibatis.annotations.*;
import org.apache.ibatis.type.JdbcType;
/**
* 用户Mapper
* @Author: 我爱大金子
* @Description: 用户Mapper
* @Date: Created in 14:28 2017/6/18
*/
@Mapper
public interface UserMapper2 {
/**添加用户*/
int insert(User record);
/**根据id查询用户*/
User selectByPrimaryKey(Integer id);
}UserMapper2.xml
