记录SpringBoot+SpringCloud+Seata的配置。这里用的是AT模式。注册核心用的Nacos。本文不蕴含nacos配置部署。如有须要请自行百度。（吐槽，官网文档几乎一言难尽。。）
我这里创立了两个我的项目，demo3和demo4.POM配置是一样的，这里间接贴出。
<?xml version="1.0" encoding="UTF-8"?><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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.3.11.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.example</groupId> <artifactId>demo3</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo3</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Hoxton.SR11</version> <type>pom</type> <scope>import</scope> </dependency> <!--<dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-alibaba-dependencies</artifactId> <version>2.2.5.RELEASE</version> <type>pom</type> <scope>import</scope> </dependency>--> </dependencies> </dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid-spring-boot-starter</artifactId> <version>1.1.10</version> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId> <version>2.2.5.RELEASE</version> </dependency> <dependency> <groupId>io.seata</groupId> <artifactId>seata-spring-boot-starter</artifactId> <version>1.4.2</version> </dependency> <dependency> <groupId>com.alibaba.cloud</groupId> <artifactId>spring-cloud-starter-alibaba-seata</artifactId> <version>2.2.1.RELEASE</version> <exclusions> <exclusion> <groupId>io.seata</groupId> <artifactId>seata-spring-boot-starter</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-starter-openfeign</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <excludes> <exclude> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </exclude> </excludes> </configuration> </plugin> </plugins> </build></project>SpringBoot,SpringCloud版本能够间接查看以上pom。
我这里用的Seata最新版本，1.4.2.
配置seata的时候大家留神，客户端和服务端版本必须统一。
服务端下载地址：https://github-releases.githu...
下载完当前开始配置服务端。总结为以下几个步骤
1.批改file.conf配置。我这里用的db模式
2.相干数据库表初始化到数据库。（业务数据库和seata本人的数据库都须要配置并初始化表构造）参考文档：http://seata.io/zh-cn/docs/dev/mode/at-mode.html。https://github.com/seata/seata/tree/1.4.0/script/client/at/db。
3.批改registry.conf配置。我这里用的nacos注册核心
4.registry.conf中配置核心我也一并应用了nacos。这里须要运行一段脚本，参考官网：https://github.com/seata/seata/tree/1.4.0/script/config-center。（脚本里相干配置改成本人的。此处深坑，service.vgroupMapping.xxx.这里的xxx必须和上面spring中的配置对应）
5.批改spring配置（此处深坑，seata.service.vgroup-mapping.xxx=default.这里的xxx必须和下面配置核心的配置统一）
6.须要分布式事务的服务加上@GlobalTransactional注解
服务端配置文件：
file.conf
## transaction log store, only used in seata-serverstore { ## store mode: file、db、redis mode = "db" ## rsa decryption public key publicKey = "" ## file store property file { ## store location dir dir = "sessionStore" # branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions maxBranchSessionSize = 16384 # globe session size , if exceeded throws exceptions maxGlobalSessionSize = 512 # file buffer size , if exceeded allocate new buffer fileWriteBufferCacheSize = 16384 # when recover batch read size sessionReloadReadSize = 100 # async, sync flushDiskMode = async } ## database store property db { ## the implement of javax.sql.DataSource, such as DruidDataSource(druid)/BasicDataSource(dbcp)/HikariDataSource(hikari) etc. datasource = "druid" ## mysql/oracle/postgresql/h2/oceanbase etc. dbType = "mysql" driverClassName = "com.mysql.jdbc.Driver" ## if using mysql to store the data, recommend add rewriteBatchedStatements=true in jdbc connection param url = "jdbc:mysql://you ip:3306/seata?rewriteBatchedStatements=true" user = "you username" password = "you password" minConn = 5 maxConn = 100 globalTable = "global_table" branchTable = "branch_table" lockTable = "lock_table" queryLimit = 100 maxWait = 5000 } ## redis store property redis { ## redis mode: single、sentinel mode = "single" ## single mode property single { host = "127.0.0.1" port = "6379" } ## sentinel mode property sentinel { masterName = "" ## such as "10.28.235.65:26379,10.28.235.65:26380,10.28.235.65:26381" sentinelHosts = "" } password = "" database = "0" minConn = 1 maxConn = 10 maxTotal = 100 queryLimit = 100 }}registry.conf
registry { # file 、nacos 、eureka、redis、zk、consul、etcd3、sofa type = "nacos" nacos { application = "seata-server" serverAddr = "you ip:8848" group = "SEATA_GROUP" namespace = "" cluster = "default" username = "" password = "" } eureka { serviceUrl = "http://localhost:8761/eureka" application = "default" weight = "1" } redis { serverAddr = "localhost:6379" db = 0 password = "" cluster = "default" timeout = 0 } zk { cluster = "default" serverAddr = "127.0.0.1:2181" sessionTimeout = 6000 connectTimeout = 2000 username = "" password = "" } consul { cluster = "default" serverAddr = "127.0.0.1:8500" aclToken = "" } etcd3 { cluster = "default" serverAddr = "http://localhost:2379" } sofa { serverAddr = "127.0.0.1:9603" application = "default" region = "DEFAULT_ZONE" datacenter = "DefaultDataCenter" cluster = "default" group = "SEATA_GROUP" addressWaitTime = "3000" } file { name = "file.conf" }}config { # file、nacos 、apollo、zk、consul、etcd3 type = "nacos" nacos { serverAddr = "you ip:8848" namespace = "" group = "SEATA_GROUP" username = "" password = "" dataId = "seataServer.properties" } consul { serverAddr = "127.0.0.1:8500" aclToken = "" } apollo { appId = "seata-server" ## apolloConfigService will cover apolloMeta apolloMeta = "http://192.168.1.204:8801" apolloConfigService = "http://192.168.1.204:8080" namespace = "application" apolloAccesskeySecret = "" cluster = "seata" } zk { serverAddr = "127.0.0.1:2181" sessionTimeout = 6000 connectTimeout = 2000 username = "" password = "" nodePath = "/seata/seata.properties" } etcd3 { serverAddr = "http://localhost:2379" } file { name = "file.conf" }}客户端配置：
server.port=81server.servlet.context-path=/demo3spring.application.name=demo3spring.datasource.druid.url=jdbc:mysql://you ip:3306/guangdayinhang?useUnicode=true&allowMultiQueries=true&useSSL=falsespring.datasource.druid.username=you usernamespring.datasource.druid.password=you passwordspring.datasource.druid.driver-class-name=com.mysql.jdbc.Driverspring.cloud.nacos.discovery.server-addr=you ip 8848spring.cloud.nacos.discovery.namespace=afb61b93-2515-45ab-aae6-6bc2b105437aseata.enabled=trueseata.application-id=seata-serverseata.tx-service-group=demo3-groupseata.service.vgroup-mapping.demo3-group=defaultseata.registry.type=nacosseata.registry.nacos.server-addr=you ip:8848seata.registry.nacos.group=SEATA_GROUPseata.config.type=nacosseata.config.nacos.server-addr=you ip:8848seata.config.nacos.group=SEATA_GROUP参考资料：
seata官网
seata github