官方文档相关:
GitHub地址:
https://github.com/codingapi/tx-lcn
官方文档:
https://www.codingapi.com/docs/txlcn-preface/
一、运行TX-LCN分布式事务框架
1.下载合适版本(这里我用的是5.0.2)
下载地址:
https://github.com/codingapi/tx-lcn/releases/tag/5.0.2.RELEASE
2.下载并解压
3.导入Idea
导入成功后的项目结构,如图所示:
4.配置数据库连接和新建库
数据库脚本(项目中存在,以项目中存在的SQL脚本为主)
/*
Navicat Premium Data Transfer Source Server : local
Source Server Type : MySQL
Source Server Version : 100309
Source Host : localhost:3306
Source Schema : tx-manager Target Server Type : MySQL
Target Server Version : 100309
File Encoding : 65001 Date: 29/12/2018 18:35:59
*/
CREATE DATABASE IF NOT EXISTS `tx-manager` DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
USE `tx-manager`; SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = ; -- ----------------------------
-- Table structure for t_tx_exception
-- ----------------------------
DROP TABLE IF EXISTS `t_tx_exception`;
CREATE TABLE `t_tx_exception` (
`id` bigint() NOT NULL AUTO_INCREMENT,
`group_id` varchar() CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`unit_id` varchar() CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`mod_id` varchar() CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
`transaction_state` tinyint() NULL DEFAULT NULL,
`registrar` tinyint() NULL DEFAULT NULL,
`ex_state` tinyint() NULL DEFAULT NULL COMMENT '0 待处理 1已处理',
`remark` varchar() NULL DEFAULT NULL COMMENT '备注',
`create_time` datetime() NULL DEFAULT NULL,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic; SET FOREIGN_KEY_CHECKS = ;
application.properties配置内容如下(一般都有,通常改下库名和用户名、密码即可):
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/tx-manager?characterEncoding=UTF-8&useSSL=false
spring.datasource.username=root
spring.datasource.password=
5.运行txlcn-tm项目
主要启动主类(TMApplication.java)
运行成功后,访问地址为:
http://IP:7970/admin
效果图,如下:
默认密码是codingapi,支持修改(通常改配置文件即可),主要修改application.properties,添加如下内容,即可实现自定义:
tx-lcn.manager.admin-key=tx-lcn-test
登录成功后的效果图如下:
二、微服务中使用分布式事务
1.添加Maven依赖
<dependency>
<groupId>com.codingapi.txlcn</groupId>
<artifactId>txlcn-tc</artifactId>
<version>5.0..RELEASE</version>
</dependency>
<dependency>
<groupId>com.codingapi.txlcn</groupId>
<artifactId>txlcn-txmsg-netty</artifactId>
<version>5.0..RELEASE</version>
</dependency>
2.application.yml或bootstrap.yml配置如下内容
tx-lcn:
client:
manager-address: 127.0.0.1:
logger:
enabled: true
driver-class-name: com.mysql.cj.jdbc.Driver
jdbc-url: jdbc:mysql://127.0.0.1:3306/tx-manager?useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&serverTimezone=Asia/Shanghai&useSSL=false
username: root
password:
3.启动类增加注解
@EnableDistributedTransaction
4.对应的Controller中的方法或者Service方法添加对应的注解
@LcnTransaction
@Transactional