spring boot 分布式事务解决方案LCN

<lcn.last.version>4.1.0</lcn.last.version>

</properties>

<groupId>org.mybatis.spring.boot</groupId>

<artifactId>mybatis-spring-boot-starter</artifactId>

<version>1.1.1</version>

</dependency>

<dependency>

<groupId>com.codingapi</groupId>

<artifactId>transaction-springcloud</artifactId>

<version>${lcn.last.version}</version>

<exclusions>

<exclusion>

<groupId>org.slf4j</groupId>

<artifactId>*</artifactId>

</exclusion>

</exclusions>

</dependency>

<dependency>

<groupId>com.codingapi</groupId>

<artifactId>tx-plugins-db</artifactId>

<version>${lcn.last.version}</version>

<exclusions>

<exclusion>

<groupId>org.slf4j</groupId>

<artifactId>*</artifactId>

</exclusion>

</exclusions>

</dependency>

#ribbon.NFLoadBalancerRuleClassName=com.netflix.loadbalancer.RandomRule

#由于springcloud默认是开启的重试机制，开启次机制以后会导致当springcloud请求超时时会重复调用业务模块，从而会引发数据混乱，因此建议将其禁用。对于网络模块超时等故障问题建议使用hytrix方式。

#ribbon.MaxAutoRetriesNextServer=0

tm:

manager:

url: http://localhost:8899/tx/manager/

ribbon:

NFLoadBalancerRuleClassName: com.netflix.loadbalancer.RandomRule

MaxAutoRetriesNextServer: 0

init-db:true

hystrix:

command:

default:

execution:

isolation:

thread:

timeoutInMilliseconds: 6000

import com.codingapi.tx.netty.service.TxManagerHttpRequestService;

import com.lorne.core.framework.utils.http.HttpUtils;

import org.springframework.stereotype.Service;

@Service

publicclass TxManagerHttpRequestServiceImpl implements TxManagerHttpRequestService{

@Override

public String httpGet(String url) {

//GET请求前

String res = HttpUtils.get(url);

//GET请求后

returnres;

}

@Override

public String httpPost(String url, String params) {

//POST请求前

String res = HttpUtils.post(url,params);

//POST请求后

returnres;

}

}

import com.codingapi.tx.config.service.TxManagerTxUrlService;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.stereotype.Service;

@Service

public class TxManagerTxUrlServiceImpl implements TxManagerTxUrlService{

    @Value("${tm.manager.url}")

    private String url;

    @Override

    public String getTxUrl() {

    //load tm.manager.url

        return url;

    }

}

import org.mybatis.spring.annotation.MapperScan;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

import org.springframework.cloud.netflix.hystrix.EnableHystrix;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.ComponentScan;

import org.springframework.core.env.Environment;

import com.alibaba.druid.pool.DruidDataSource;

@SpringBootApplication

@EnableDiscoveryClient

@EnableHystrix

@MapperScan(basePackages = "com.svw.tbox.tcloud.commons.ms.dao")

@ComponentScan(basePackages = { "com.svw.tbox.tcloud" })

publicclass MsApplication {

……

@Autowired

private Environment env;

@Bean

public DataSource dataSource() {

DruidDataSource dataSource = new DruidDataSource();

dataSource.setUrl(env.getProperty("spring.datasource.url"));

dataSource.setUsername(env.getProperty("spring.datasource.username"));//用户名

dataSource.setPassword(env.getProperty("spring.datasource.password"));//密码

dataSource.setInitialSize(2);

dataSource.setMaxActive(20);

dataSource.setMinIdle(0);

dataSource.setMaxWait(60000);

dataSource.setValidationQuery("SELECT 1");

dataSource.setTestOnBorrow(false);

dataSource.setTestWhileIdle(true);

dataSource.setPoolPreparedStatements(false);

returndataSource;

}

import org.springframework.cloud.netflix.feign.FeignClient;

import com.svw.tbox.tcloud.commons.api.config.TxFeignConfiguration;

import com.svw.tbox.tcloud.commons.api.service.SysErrorCodeMappingService;

/**

* <p>ClassName: SysErrorCodeMappingFeign</p>

* <p>Description: 远程调用错误码服务</p>

* <p>Author: hurf</p>

* <p>Date: 2017年12月11日</p>

*/

@FeignClient(value = "tcloud-commons-ms")

publicinterface SysErrorCodeMappingFeign extends SysErrorCodeMappingService {

}

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import com.codingapi.tx.annotation.TxTransaction;

import com.svw.tbox.tcloud.commons.api.entity.SysErrorCodeMapping;

import com.svw.tbox.tcloud.commons.api.feign.SysErrorCodeMappingFeign;

import com.svw.tbox.tcloud.commons.api.service.CmnService;

import com.svw.tbox.tcloud.commons.api.service.JedisTemplate;

import com.svw.tbox.tcloud.commons.util.DateUtil;

import com.svw.tbox.tcloud.mds.entity.ThUserLogin;

/**

* @Title<p>ClassName: UserTokenService</p>

* @Description<p>Description: 登录服务</p>

* @Author<p>Author: hurf</p>

* @Date<p>Date: 2018年2月6日</p>

*/

@Service

publicclass UserTokenService extends CmnService<ThUserLogin>{

@Autowired

private JedisTemplate jedisTemplate;

@Autowired

private SysErrorCodeMappingFeign sysErrorCodeMappingFeign;

@Transactional

@TxTransaction(isStart=true)

public String add(SysErrorCodeMapping sysErrorCodeMapping) {

// 远程调用新增

sysErrorCodeMappingFeign.add(sysErrorCodeMapping);

// 本地新增db

insertSelective(ThUserLogin.builder().accessToken(sysErrorCodeMapping.getApiCode())

.refreshToken(sysErrorCodeMapping.getInnerErrorCode()).createBy("测试事务").build());

//本地缓存事务

jedisTemplate.set("isStart", DateUtil.getNow());

//      int ii = 1/0;//异常

return"测试分布式事务成功";

}

}

publicclass SysErrorCodeMappingController implements SysErrorCodeMappingService {

@Autowired

private MsService msService;

@ApiOperation("添加错误码信息")

@Override

public SystemResponse add(@RequestBody SysErrorCodeMapping sysErrorCodeMapping) {

returnmsService.add(sysErrorCodeMapping);

}

。。。。。。

@Service

@CacheConfig(cacheNames = "sys-code-resource")

publicclass MsService implements ITxTransaction{

@Autowired

private JedisTemplate jedisTemplate;

@Autowired

private SysErrorCodeMappingMapper sysErrorCodeMappingMapper;

/**

* <p>Title: 事务参与方</p>

* <p>Description: </p>

* @param sysErrorCodeMapping

* @return

*/

@Transactional

public SystemResponse add(SysErrorCodeMapping sysErrorCodeMapping) {

//db操作

sysErrorCodeMapping.setVersion(1);

sysErrorCodeMapping.setDelFlag(Short.valueOf("0"));

sysErrorCodeMapping.setCreatedBy("admin");

sysErrorCodeMapping.setCreateDate(new Date());

sysErrorCodeMappingMapper.insertSelective(sysErrorCodeMapping);

//redis操作

jedisTemplate.set("addTest"+DateUtil.getNow(),"tttttttttttttttttttttt");

return ResultUtil.success(refreshAll());

}

@TxTransaction(isStart=true)

public String add(SysErrorCodeMapping sysErrorCodeMapping) {

// 远程调用新增

sysErrorCodeMappingFeign.add(sysErrorCodeMapping);

// 本地新增db

insertSelective(ThUserLogin.builder().accessToken(sysErrorCodeMapping.getApiCode())

.refreshToken(sysErrorCodeMapping.getInnerErrorCode()).createBy("测试事务").build());

//本地缓存事务

jedisTemplate.set("isStart", DateUtil.getNow());

intii = 1/0;//异常

return"测试分布式事务成功";

}