一、springboot整合事物管理

springboot默认集成事物,只主要在方法上加上@Transactional即可

二、SpringBoot分布式事物管理

使用springboot+jta+atomikos 分布式事物管理

1、pom文件

 <parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-parent</artifactId>
<version>2.0.6.RELEASE</version>
</parent>
<dependencies>
<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>
</dependency>
<!--mybatis起步依赖-->
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!--druid 依赖-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
<!--aop-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-aop</artifactId>
</dependency>
<!--atomikos依赖-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jta-atomikos</artifactId>
</dependency>
</dependencies>

 2、application.properties信息

# Mysql 1
mysql.datasource.test.url = jdbc:mysql://localhost:3306/test01?useUnicode=true&characterEncoding=utf-8
mysql.datasource.test.username = root
mysql.datasource.test.password = root mysql.datasource.test.minPoolSize = 3
mysql.datasource.test.maxPoolSize = 25
mysql.datasource.test.maxLifetime = 20000
mysql.datasource.test.borrowConnectionTimeout = 30
mysql.datasource.test.loginTimeout = 30
mysql.datasource.test.maintenanceInterval = 60
mysql.datasource.test.maxIdleTime = 60
mysql.datasource.test.testQuery = select 1 # Mysql 2
mysql.datasource.test2.url =jdbc:mysql://localhost:3306/test02?useUnicode=true&characterEncoding=utf-8
mysql.datasource.test2.username =root
mysql.datasource.test2.password =root mysql.datasource.test2.minPoolSize = 3
mysql.datasource.test2.maxPoolSize = 25
mysql.datasource.test2.maxLifetime = 20000
mysql.datasource.test2.borrowConnectionTimeout = 30
mysql.datasource.test2.loginTimeout = 30
mysql.datasource.test2.maintenanceInterval = 60
mysql.datasource.test2.maxIdleTime = 60
mysql.datasource.test2.testQuery = select 1

 3、创建多数据源

@Configuration
// basePackages 最好分开配置 如果放在同一个文件夹可能会报错
@MapperScan(basePackages = "com.itmayiedu.test1", sqlSessionTemplateRef = "testSqlSessionTemplate")
public class TestMyBatisConfig1 { // 配置数据源
@Primary
@Bean(name = "testDataSource")
public DataSource testDataSource(DBConfig1 testConfig) throws SQLException {
MysqlXADataSource mysqlXaDataSource = new MysqlXADataSource();
mysqlXaDataSource.setUrl(testConfig.getUrl());
mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true);
mysqlXaDataSource.setPassword(testConfig.getPassword());
mysqlXaDataSource.setUser(testConfig.getUsername());
mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); AtomikosDataSourceBean xaDataSource = new AtomikosDataSourceBean();
xaDataSource.setXaDataSource(mysqlXaDataSource);
xaDataSource.setUniqueResourceName("testDataSource"); xaDataSource.setMinPoolSize(testConfig.getMinPoolSize());
xaDataSource.setMaxPoolSize(testConfig.getMaxPoolSize());
xaDataSource.setMaxLifetime(testConfig.getMaxLifetime());
xaDataSource.setBorrowConnectionTimeout(testConfig.getBorrowConnectionTimeout());
xaDataSource.setLoginTimeout(testConfig.getLoginTimeout());
xaDataSource.setMaintenanceInterval(testConfig.getMaintenanceInterval());
xaDataSource.setMaxIdleTime(testConfig.getMaxIdleTime());
xaDataSource.setTestQuery(testConfig.getTestQuery());
return xaDataSource;
} @Primary
@Bean(name = "testSqlSessionFactory")
public SqlSessionFactory testSqlSessionFactory(@Qualifier("testDataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
return bean.getObject();
} @Primary
@Bean(name = "testSqlSessionTemplate")
public SqlSessionTemplate testSqlSessionTemplate(
@Qualifier("testSqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
return new SqlSessionTemplate(sqlSessionFactory);
}
}
// basePackages 最好分开配置 如果放在同一个文件夹可能会报错
@Configuration
@MapperScan(basePackages = "com.itmayiedu.test2", sqlSessionTemplateRef = "test2SqlSessionTemplate")
public class TestMyBatisConfig2 { // 配置数据源
@Bean(name = "test2DataSource")
public DataSource testDataSource(DBConfig1 testConfig) throws SQLException {
MysqlXADataSource mysqlXaDataSource = new MysqlXADataSource();
mysqlXaDataSource.setUrl(testConfig.getUrl());
mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true);
mysqlXaDataSource.setPassword(testConfig.getPassword());
mysqlXaDataSource.setUser(testConfig.getUsername());
mysqlXaDataSource.setPinGlobalTxToPhysicalConnection(true); AtomikosDataSourceBean xaDataSource = new AtomikosDataSourceBean();
xaDataSource.setXaDataSource(mysqlXaDataSource);
xaDataSource.setUniqueResourceName("test2DataSource"); xaDataSource.setMinPoolSize(testConfig.getMinPoolSize());
xaDataSource.setMaxPoolSize(testConfig.getMaxPoolSize());
xaDataSource.setMaxLifetime(testConfig.getMaxLifetime());
xaDataSource.setBorrowConnectionTimeout(testConfig.getBorrowConnectionTimeout());
xaDataSource.setLoginTimeout(testConfig.getLoginTimeout());
xaDataSource.setMaintenanceInterval(testConfig.getMaintenanceInterval());
xaDataSource.setMaxIdleTime(testConfig.getMaxIdleTime());
xaDataSource.setTestQuery(testConfig.getTestQuery());
return xaDataSource;
} @Bean(name = "test2SqlSessionFactory")
public SqlSessionFactory testSqlSessionFactory(@Qualifier("test2DataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
return bean.getObject();
} @Bean(name = "test2SqlSessionTemplate")
public SqlSessionTemplate testSqlSessionTemplate(
@Qualifier("test2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
return new SqlSessionTemplate(sqlSessionFactory);
}
}

4、启动加载配置

@EnableConfigurationProperties(value = { DBConfig1.class, DBConfig2.class })

5、controller类

@RestController
public class MybatisMultilDataSourceController {
@Autowired
private UserServiceTest01 userServiceTest01;
@Autowired
private UserServiceTest02 userServiceTest02; @RequestMapping("/insertUserTest1")
public Integer insertUserTest1(String name, Integer age) {
return userServiceTest01.insertUser(name, age);
} @RequestMapping("/insertUserTest2")
public Integer insertUserTest2(String name, Integer age) {
return userServiceTest02.insertUser(name, age);
} @RequestMapping("/insertUserTest01AndTest02")
public int insertUserTest01AndTest02(String name, Integer age) {
return userServiceTest02.insertUserTest01AndTest02(name, age);
}

6、多个Mapper接口

根据包区分

public interface UserMapperTest01 {

    // 添加
@Insert("INSERT INTO USERS(NAME, AGE) VALUES(#{name}, #{age})")
int insert(@Param("name") String name, @Param("age") Integer age);
}
public interface UserMapperTest02 {

    // 添加
@Insert("INSERT INTO USERS(NAME, AGE) VALUES(#{name}, #{age})")
int insert(@Param("name") String name, @Param("age") Integer age);
}

7、多个service

根据包区分

@Service
@Slf4j
public class UserServiceTest02 {
@Autowired
private UserMapperTest02 userMapperTest02;
@Autowired
private UserMapperTest01 userMapperTest01; @Transactional(transactionManager = "test2TransactionManager")
public int insertUser(String name, Integer age) {
int insertUserResult = userMapperTest02.insert(name, age);
log.info("######insertUserResult:{}##########", insertUserResult);
// 怎么样验证事务开启成功!~
int i = 1 / age;
return insertUserResult;
} @Transactional()
public int insertUserTest01AndTest02(String name, Integer age) {
// 传统分布式事务解决方案 jta+atomikos 注册同一个全局事务中
// 第一个数据源
int insertUserResult01 = userMapperTest01.insert(name, age);
// 第二个数据源
int insertUserResult02 = userMapperTest02.insert(name, age);
int i = 1 / 0;
int result = insertUserResult01 + insertUserResult02;
// test01入库 test02回滚
return result;
} }
@Service
@Slf4j
public class UserServiceTest01 {
@Autowired
private UserMapperTest01 userMapperTest01; @Transactional(transactionManager = "test1TransactionManager")
public int insertUser(String name, Integer age) {
int insertUserResult = userMapperTest01.insert(name, age);
log.info("######insertUserResult:{}##########", insertUserResult);
int i = 1 / age;
// 怎么样验证事务开启成功!~
return insertUserResult;
} }

第三 多数据源分包方式事物

1、controller类

@RestController
public class MybatisMultilDataSourceController {
@Autowired
private UserServiceTest01 userServiceTest01;
@Autowired
private UserServiceTest02 userServiceTest02; @RequestMapping("/insertUserTest1")
public Integer insertUserTest1(String name, Integer age) {
return userServiceTest01.insertUser(name, age);
} @RequestMapping("/insertUserTest2")
public Integer insertUserTest2(String name, Integer age) {
return userServiceTest02.insertUser(name, age);
}
}

2、service类

根据包区分

@Service
@Slf4j
public class UserServiceTest01 {
@Autowired
private UserMapperTest01 userMapperTest01; @Transactional(transactionManager = "test1TransactionManager")
public int insertUser(String name, Integer age) {
int insertUserResult = userMapperTest01.insert(name, age);
log.info("######insertUserResult:{}##########", insertUserResult);
int i = 1 / age;
// 怎么样验证事务开启成功!~
return insertUserResult;
} }
@Service
@Slf4j
public class UserServiceTest02 {
@Autowired
private UserMapperTest02 userMapperTest02; @Transactional(transactionManager = "test2TransactionManager")
public int insertUser(String name, Integer age) {
int insertUserResult = userMapperTest02.insert(name, age);
log.info("######insertUserResult:{}##########", insertUserResult);
// 怎么样验证事务开启成功!~
int i = 1 / age;
return insertUserResult;
} }

3、mapper接口

根据包区分

public interface UserMapperTest01 {
// 查询语句
@Select("SELECT * FROM USERS WHERE NAME = #{name}")
User findByName(@Param("name") String name); // 添加
@Insert("INSERT INTO USERS(NAME, AGE) VALUES(#{name}, #{age})")
int insert(@Param("name") String name, @Param("age") Integer age);
}
public interface UserMapperTest01 2{
// 查询语句
@Select("SELECT * FROM USERS WHERE NAME = #{name}")
User findByName(@Param("name") String name); // 添加
@Insert("INSERT INTO USERS(NAME, AGE) VALUES(#{name}, #{age})")
int insert(@Param("name") String name, @Param("age") Integer age);
}

4、创建多个数据源

@Configuration // 注册到springboot容器中
@MapperScan(basePackages = "com.itmayiedu.test01", sqlSessionFactoryRef = "test1SqlSessionFactory")
public class DataSource1Config { @Bean(name = "test1DataSource")
@ConfigurationProperties(prefix = "spring.datasource.test1")
public DataSource testDataSource() {
return DataSourceBuilder.create().build();
} @Bean(name = "test1SqlSessionFactory")
public SqlSessionFactory testSqlSessionFactory(@Qualifier("test1DataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
// bean.setMapperLocations(
// new
// PathMatchingResourcePatternResolver().getResources("classpath:mybatis/mapper/test1/*.xml"));
return bean.getObject();
} @Bean(name = "test1TransactionManager")
public DataSourceTransactionManager testTransactionManager(@Qualifier("test1DataSource") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
} @Bean(name = "test1SqlSessionTemplate")
public SqlSessionTemplate testSqlSessionTemplate(
@Qualifier("test1SqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
return new SqlSessionTemplate(sqlSessionFactory);
} }
@Configuration // 注册到springboot容器中
@MapperScan(basePackages = "com.itmayiedu.test02", sqlSessionFactoryRef = "test2SqlSessionFactory")
public class DataSource2Config { @Bean(name = "test2DataSource")
@ConfigurationProperties(prefix = "spring.datasource.test2")
public DataSource testDataSource() {
return DataSourceBuilder.create().build();
} @Bean(name = "test2SqlSessionFactory")
public SqlSessionFactory testSqlSessionFactory(@Qualifier("test2DataSource") DataSource dataSource)
throws Exception {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
bean.setDataSource(dataSource);
// bean.setMapperLocations(
// new
// PathMatchingResourcePatternResolver().getResources("classpath:mybatis/mapper/test2/*.xml"));
return bean.getObject();
} @Bean(name = "test2TransactionManager")
public DataSourceTransactionManager testTransactionManager(@Qualifier("test2DataSource") DataSource dataSource) {
return new DataSourceTransactionManager(dataSource);
} @Bean(name = "test2SqlSessionTemplate")
public SqlSessionTemplate testSqlSessionTemplate(
@Qualifier("test2SqlSessionFactory") SqlSessionFactory sqlSessionFactory) throws Exception {
return new SqlSessionTemplate(sqlSessionFactory);
} }

5、application.properties

###datasource1
spring.datasource.test1.driver-class-name = com.mysql.jdbc.Driver
spring.datasource.test1.jdbc-url = jdbc:mysql://localhost:3306/test01?useUnicode=true&characterEncoding=utf-8
spring.datasource.test1.username = root
spring.datasource.test1.password = root
###datasource2
spring.datasource.test2.driver-class-name = com.mysql.jdbc.Driver
spring.datasource.test2.jdbc-url = jdbc:mysql://localhost:3306/test02?useUnicode=true&characterEncoding=utf-8
spring.datasource.test2.username = root
spring.datasource.test2.password = root

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