(1)pom.xml

<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>

  <groupId>com.tyf</groupId>
  <artifactId>test</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>test</name>
  <url>http://maven.apache.org</url>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.3.2.RELEASE</version>
		<relativePath/>
	</parent>
	
	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
	</properties>
	
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
		
		<!-- mybitas -->
		<dependency>
			<groupId>org.mybatis.spring.boot</groupId>
			<artifactId>mybatis-spring-boot-starter</artifactId>
			<version>1.1.1</version>
		</dependency><!-- mybitas -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<!-- mysql -->
		<dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.29</version>
        </dependency><!-- mysql -->
		</dependencies>
		
		
		<build>
			<plugins>
				<plugin>
					<groupId>org.springframework.boot</groupId>
					<artifactId>spring-boot-maven-plugin</artifactId>
				</plugin>
				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-surefire-plugin</artifactId>
					<configuration>
					<skip>true</skip>
					</configuration>
				</plugin>
			</plugins>
		</build>

</project>
 

(2)application.properties

spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.username=root
spring.datasource.password=123
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
mybatis.mapper-locations=classpath*:mybatis/*Mapper.xml
mybatis.type-aliases-package=com.tyf.entity

(3)/resources/mybatis/AccouMapper.xml

<?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.tyf.dao.AccounDao">

    <update id="updateAccoun">
        UPDATE accoun
		set login=#{login},name=#{name},pass=#{pass}
        WHERE accoun_id=#{accoun_id}
    </update>
</mapper>
 

package com.tyf.dao;

import org.apache.ibatis.annotations.Param;
import org.mybatis.spring.annotation.MapperScan;
import com.tyf.entity.Accoun;



public interface AccounDao {

	int updateAccoun(
					@Param("accoun_id")Integer id,
					@Param("login")String login,
					@Param("name")String name,
					@Param("pass")String pass);	
}

(5)service/serviceImpl

package com.tyf.service;



public interface AccounService  {


	//不開啟申明式事物
	public void update1();
	
	//開啟申明式事物之後,同一個事物內的資料庫操作保證都成功或者都失敗
	public void update2();
}

<!-- 分割線 -->

package com.tyf.service;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.tyf.dao.AccounDao;


@Service
public class AccounServiceImpl  implements AccounService{

	@Autowired
	private AccounDao accounDao;
	
	//不開啟申明式事物
	public void update1(){
		accounDao.updateAccoun(1,"new_login","new_name","new_pass");//成功
		int i=1/0;
		accounDao.updateAccoun(2,"new_login","new_name","new_pass");//失敗
	}
	
	//開啟申明式事物之後,同一個事物內的資料庫操作保證都成功或者都失敗
	@Transactional
	public void update2(){
		accounDao.updateAccoun(3,"new_login","new_name","new_pass");//失敗
		int i=1/0;
		accounDao.updateAccoun(4,"new_login","new_name","new_pass");//失敗
	}
}

(6)controller

package com.tyf.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import com.tyf.service.AccounService;



@RestController
@RequestMapping("/accoun")
public class AccounController {

	@Autowired
	private AccounService accounService;
	
	@RequestMapping(value="/test1",method = RequestMethod.GET)
	@ResponseBody
	public String getAccoun1(){
		accounService.update1();
		return "test1";
	}
	
	
	@RequestMapping(value="/test2",method = RequestMethod.GET)
	@ResponseBody
	public String getAccoun2(){
		accounService.update2();
		return "test2";
	}
	
	
	
}

(7)app

package com.tyf;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * Hello world!
 *
 */


@SpringBootApplication
@MapperScan("com.tyf.dao")
public class App 
{
    public static void main( String[] args )
    {
    	SpringApplication.run(App.class,args);
    }
}

(8)工程圖片