springboot中seata的原理

在Spring Boot中使用Seata的原理是通过引入相应的依赖和配置来实现的。在引用中，我们可以看到使用了spring-cloud-alibaba-seata的依赖，它是用来解决全局事务XID传递问题的。这个依赖会自动进行XID的传递，不需要手动绑定。

同时，在引用中，我们也可以看到另一种引入Seata的方式。通过引入seata-spring-boot-starter的依赖，我们可以手动绑定全局事务XID。这种方式需要通过过滤器或拦截器进行手动绑定，以确保下游服务能够获取到全局XID并进行回滚。

综上所述，Spring Boot中使用Seata的原理是通过引入相应的依赖，并根据需要选择自动传递XID或手动绑定XID的方式来实现全局事务的管理和控制。

相关问题

springboot整合seata

引用<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [Springboot整合Seata](https://blog.csdn.net/qq_29385297/article/details/127583166)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
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- *3* [seata分布式事务讲解，SpringBoot项目整合seata全流程和常见错误解决](https://blog.csdn.net/qq_41625866/article/details/125925588)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
[ .reference_list ]

springboot集成seata

在Spring Boot中集成Seata，需要进行以下步骤：

1.添加Seata的依赖。在pom.xml文件中添加以下依赖：

<dependency>
    <groupId>io.seata</groupId>
    <artifactId>seata-spring-boot-starter</artifactId>
    <version>${seata.version}</version>
</dependency>

2.配置Seata。在application.properties或application.yml文件中添加以下配置：

spring:
  application:
    name: ${spring.application.name}
  cloud:
    alibaba:
      seata:
        tx-service-group: ${spring.application.name}-fescar-service-group
seata:
  enabled: true
  application-id: ${spring.application.name}
  tx-service-group: ${spring.application.name}-fescar-service-group
  config:
    type: nacos
    nacos:
      serverAddr: ${nacos.server-addr:localhost:8848}
      namespace: ${nacos.namespace:public}
  registry:
    type: nacos
    nacos:
      serverAddr: ${nacos.server-addr:localhost:8848}
      namespace: ${nacos.namespace:public}
  service:
    vgroupMapping:
      ${spring.application.name}-fescar-service-group: default
    groupMapping:
      ${spring.application.name}-fescar-service-group: "default"
  transport:
    type: TCP
    tcp:
      selector: ${seata.selector:org.apache.seata.core.rpc.netty.NettyClientConfig}
      clientWorkerThreads: ${seata.client.worker.thread.size:NettyRuntime.availableProcessors()}
      bossThreadSize: ${seata.boss.thread.size:1}
      shutdownWait: ${seata.shutdown.wait:3}
      maxConnection: ${seata.max.commit.retry.timeout:1}
      connectionWaitTimeout: ${seata.max.commit.retry.timeout:5000}
      idleTimeout: ${seata.max.commit.retry.timeout:300000}
      heartbeatTimeout: ${seata.heartbeat.timeout:1000}

3.配置数据源。在application.properties或application.yml文件中添加以下配置：

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/seata?useUnicode=true&characterEncoding=utf-8&useSSL=false
    username: root
    password: root

4.配置MyBatis。在MyBatis的配置文件中添加以下配置：

<configuration>
    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>
        <package name="com.xxx.xxx.entity"/>
    </typeAliases>
    <plugins>
        <plugin interceptor="io.seata.rm.datasource.mybatis.SeataInterceptor"/>
    </plugins>
</configuration>

5.启动Seata Server。在Seata Server的bin目录下执行以下命令：

sh seata-server.sh -p 8091 -m file

6.启动应用程序。在Spring Boot应用程序的启动类上添加@SeataApplication注解。

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