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做网站用什么开发语言,有了域名如何建网站,前端登陆页面设计模板,中国建设监理协会网站投稿前面我们的seata是在项目里面直接配置的。我们是在每个微服务resources下创建一个file.conf文件。这里我们改为把seata从nacos中获取配置。 1.我们把file.conf，放在resources下新建的backup_configs里面，废弃不用。 2. 修改seata配置我们打开seata…

前面我们的seata是在项目里面直接配置的。

我们是在每个微服务resources下创建一个file.conf文件。

这里我们改为把seata从nacos中获取配置。

1.我们把file.conf，放在resources下新建的backup_configs里面，废弃不用。

2. 修改seata配置

我们打开seata的文件夹，然后把application复制粘贴一份留痕。然后打开application 做如下修改：

#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#server:port: 7091spring:application:name: seata-serverlogging:config: classpath:logback-spring.xmlfile:path: ${log.home:${user.home}/logs/seata}extend:logstash-appender:destination: 127.0.0.1:4560kafka-appender:bootstrap-servers: 127.0.0.1:9092topic: logback_to_logstashconsole:user:username: seatapassword: seata
seata:config:# support: nacos, consul, apollo, zk, etcd3type: nacosnacos:server-addr: 127.0.0.1:8848namespace: "dev"group: SEATA_GROUPdata-id: seataServer.propertiesusername: nacospassword: nacosregistry:# support: nacos, eureka, redis, zk, consul, etcd3, sofatype: nacosnacos:application: seata-serverserver-addr: 127.0.0.1:8848group: SEATA_GROUPnamespace: "dev"cluster: defaultusername: nacospassword: nacosstore:# support: file 、 db 、 redis 、 raftmode: dbdb:datasource: druiddb-type: mysqldriver-class-name: com.mysql.cj.jdbc.Driverurl: jdbc:mysql://127.0.0.1:3306/seata?useSSL=falseuser: xxxxpassword: yyyy# 替换为你的数据库密码#  server:#    service-port: 8091 #If not configured, the default is '${server.port} + 1000'security:secretKey: SeataSecretKey0c382ef121d778043159209298fd40bf3850a017tokenValidityInMilliseconds: 1800000ignore:urls: /,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.jpeg,/**/*.ico,/api/v1/auth/login,/version.json,/health,/error

上面标注了下注释，客户看下。注意命名空间也是区分服务实例的范围之一，要与客户端的配置保持一致。

上面可以看到，连接了数据库，我们需要手动创建一个seata数据库。然后在里面执行如下语句：

--
-- Licensed to the Apache Software Foundation (ASF) under one or more
-- contributor license agreements.  See the NOTICE file distributed with
-- this work for additional information regarding copyright ownership.
-- The ASF licenses this file to You under the Apache License, Version 2.0
-- (the "License"); you may not use this file except in compliance with
-- the License.  You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
---- -------------------------------- The script used when storeMode is 'db' --------------------------------
-- the table to store GlobalSession data
CREATE TABLE IF NOT EXISTS `global_table`
(`xid`                       VARCHAR(128) NOT NULL,`transaction_id`            BIGINT,`status`                    TINYINT      NOT NULL,`application_id`            VARCHAR(32),`transaction_service_group` VARCHAR(32),`transaction_name`          VARCHAR(128),`timeout`                   INT,`begin_time`                BIGINT,`application_data`          VARCHAR(2000),`gmt_create`                DATETIME,`gmt_modified`              DATETIME,PRIMARY KEY (`xid`),KEY `idx_status_gmt_modified` (`status` , `gmt_modified`),KEY `idx_transaction_id` (`transaction_id`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;-- the table to store BranchSession data
CREATE TABLE IF NOT EXISTS `branch_table`
(`branch_id`         BIGINT       NOT NULL,`xid`               VARCHAR(128) NOT NULL,`transaction_id`    BIGINT,`resource_group_id` VARCHAR(32),`resource_id`       VARCHAR(256),`branch_type`       VARCHAR(8),`status`            TINYINT,`client_id`         VARCHAR(64),`application_data`  VARCHAR(2000),`gmt_create`        DATETIME(6),`gmt_modified`      DATETIME(6),PRIMARY KEY (`branch_id`),KEY `idx_xid` (`xid`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;-- the table to store lock data
CREATE TABLE IF NOT EXISTS `lock_table`
(`row_key`        VARCHAR(128) NOT NULL,`xid`            VARCHAR(128),`transaction_id` BIGINT,`branch_id`      BIGINT       NOT NULL,`resource_id`    VARCHAR(256),`table_name`     VARCHAR(32),`pk`             VARCHAR(36),`status`         TINYINT      NOT NULL DEFAULT '0' COMMENT '0:locked ,1:rollbacking',`gmt_create`     DATETIME,`gmt_modified`   DATETIME,PRIMARY KEY (`row_key`),KEY `idx_status` (`status`),KEY `idx_branch_id` (`branch_id`),KEY `idx_xid` (`xid`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;CREATE TABLE IF NOT EXISTS `distributed_lock`
(`lock_key`       CHAR(20) NOT NULL,`lock_value`     VARCHAR(20) NOT NULL,`expire`         BIGINT,primary key (`lock_key`)
) ENGINE = InnoDBDEFAULT CHARSET = utf8mb4;INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('AsyncCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryCommitting', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('RetryRollbacking', ' ', 0);
INSERT INTO `distributed_lock` (lock_key, lock_value, expire) VALUES ('TxTimeoutCheck', ' ', 0);

同时改下微服务实例的application.yml

spring:profiles:include: feignactive: devapplication:name: seata-accountdatasource:driver-class-name: com.mysql.cj.jdbc.Driverurl: jdbc:mysql://localhost:3306/account_tbl?useUnicode=true&characterEncoding=utf-8&useSSL=falseusername: xxxxpassword: yyyycloud:nacos:server-addr: 127.0.0.1:8848config:import-check:enabled: falsenamespace: ${spring.profiles.active:dev}discovery:namespace: ${spring.profiles.active:dev}
server:port: 10000
mybatis-plus:mapper-locations: classpath*:/mapper/**/*.xmlconfiguration:map-underscore-to-camel-case: true  # 驼峰映射（建议开启）
seata:tx-service-group: default_tx_group  # 显式设置事务组名称registry:type: nacosnacos:server-addr: 127.0.0.1:8848group: SEATA_GROUPapplication: seata-server  # 与 Server 端一致namespace: ${spring.profiles.active:dev}config:type: nacosnacos:server-addr: 127.0.0.1:8848group: SEATA_GROUPdata-id: seataServer.propertiesnamespace: ${spring.profiles.active:dev}# 事务组映射（必须配置！）service:vgroup-mapping:default_tx_group: default  # 事务组名需与Seata Server的配置一致
---
spring:config:import:- nacos:common.properties?group=order- nacos:database.properties?group=orderactivate:on-profile: dev
---
spring:config:import:- nacos:common.properties?group=order- nacos:database.properties?group=orderactivate:on-profile: test
---
spring:config:import:- nacos:common.properties?group=order- nacos:database.properties?group=orderactivate:on-profile: prod

然后我们在nacos里面配置下properties：

seataServer.properties

SEATA_GROUP

properties里面内容如下：记得改下账号和密码：

# 事务组映射
service.vgroupMapping.default_tx_group=default# 存储模式（DB 高可用）
store.mode=db
store.db.datasource=druid
store.db.dbType=mysql
store.db.driverClassName=com.mysql.cj.jdbc.Driver
store.db.url=jdbc:mysql://127.0.0.1:3306/seata?useSSL=false
store.db.user=xxxx
store.db.password=yyyy

然后我们启动nacos，再启动seata，最后启动微服务。记得4个微服务都要改下yml文件。

（如果启动seata报错找不到mysql的jar包，按照错误提示，把这个jar包放在它提示的路径下就可以。如下图所示：