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README
Apache-2.0

彩虹商城微服务系统

介绍

彩虹商城微服务系统,基于springCloudAlibaba+SpringCloud+SpringBoot开发的电商微服务系统,适配中台系统,快捷的一键接入微服务, 便捷开发与管理。

软件架构

彩虹商城微服务系统版本为:SpringCloudAlibaba2.2.9+SpringCloud.Hoxton.SR12+SpringBoot2.3.12,开发的电商微服务系统,开箱即用适合微服务的快速落地与实施。感兴趣请联系我!,邮箱:1335157415@qq.com

依赖环境

jdk(1.8/11)+maven3.0+mysql5.7+pgsql+nacos2.1.1+seata1.5.2+sentinel1.8.5

版本说明

彩虹商城 SpringCloud SpringCloudAlibaba SpringBoot
1.0.0.RELEASE Spring Cloud Hoxton.SR9 2.2.6.RELEASE 2.3.12.RELEASE
2.0.0.RELEASE Spring Cloud Hoxton.SR12 2.2.9.RELEASE 2.3.12.RELEASE
3.0.0.RELEASE Spring Cloud 2021.0.4 2021.0.4.0 2.6.11
4.0.0.RELEASE Spring Cloud 2021.0.5 2021.0.5.0 2.6.13

在线演示(下单成功可以分别去skywalking和rocketMq查看信息)

密码登录  商城下单  skywalking  rocketMq

项目结构

micro

├─doc    微服务初始化文档

├─mall-soft 电商微服务系统
│  │
│  ├─authority-server          微服务权限认证中心 
│  │     ├─authority-api       微服务业务对外接口
│  │     └─business-service    微服务业务处理系统 端口:7001
│  │
│  ├─gateway-server            微服务网关服务系统  端口:9999
│  │
│  ├─business-server           微服务业务服务系统  
│  │     ├─business-api        微服务业务对外接口
│  │     ├─business-core       微服务业务核心依赖
│  │     └─business-service    微服务业务处理系统 端口:7002
│  │ 
│  ├─order-server              微服务订单服务系统  
│  │     ├─order-api           微服务订单对外接口
│  │     ├─order-core          微服务订单核心依赖
│  │     └─order-service       微服务订单处理系统 端口:7003
│  │ 
│  ├─user-server               微服务用户服务系统  
│  │     ├─user-api            微服务用户对外接口
│  │     ├─user-core           微服务用户核心依赖
│  │     └─user-service        微服务用户处理系统  端口:7004
│  │ 
│  ├─dictionary-server         微服务字典服务系统  
│  │     ├─dictionary-api      微服务字典对外接口
│  │     ├─dictionary-core     微服务字典核心依赖
│  │     └─dictionary-service  微服务字典处理系统 端口:7005
│  │ 
│  ├─dispatch-server           微服务任务调度系统
│  │     ├─dispatch-api        定时任务对外接口
│  │     ├─dispatch-core       定时任务核心依赖
│  │     └─dispatch-service    定时任务客户端系统 端口:7006 
 

快速启动

  • 1.启动系统之前,请仔细参考中台部分的doc文档,了解系统的信息,快速入门上手使用。
  • 2.在顶层的pom.xml配置好,对应的服务参数,先执行mvn versions:set -DnewVersion=1.0.0.RELEASE -DgenerateBackupPoms=false,然后执行maven clean install。
  • 3.按照2步骤打包完毕,依次启动对应的微服务系统,启动完毕即可调用对应微服务系统,实现具体的业务处理。
  • 4.mall微服务目前有business,order,user其他微服务,在user服务中已集成sonarqube单元测试,生成代码自带junit5单元测试。
  • 5.目前功能比较完整的是user服务,服务熔断时,建议参考user的sentinel熔断降级处理模式。
  • 6.单元测试覆盖执行命令:mvn compile test sonar:sonar -Dsonar.host.url=http://127.0.0.1:9000 -Dsonar.login=admin -Dsonar.password=admin -Dsonar.scm.provider=git

注意事项

  • 1 项目发版时,设置统一版本号可以在顶级pom.xml 运行mvn versions:set -DnewVersion=1.0.1-SNAPSHOT 然后运行 mvn -N versions:update-child-modules,可以版本统一更新

  • 2 项目发版时,在最顶级POM,从(dev,test,uat)选择一个profile打包,整个项目会统一打包成对应环境程序

  • 3 微服务需要在网关接口的header传递对应版本号和clientId还有token,heade被Nepxion启动版本灰度发布,clientId鉴权认证服务验证token合法性,当三者满足时,才允许请求通过。

  • 4 具体使用示例可以查看,RoleControllerTest,分页方法具有完整的传递参数与远程授权认证调用示例

  • 5 熔断采用sentinel的方式,如果整合feign使用sentinel的熔断,需要在api里面撰写具体熔断逻辑,针对不需要降级处理的代码,自行抛出特定异常全局异常针对特定异常不处理,采用sentinel默认方式处理降级,可以将降级熔断代码写在controller一起,对外只提供feign接口,便于代码的维护与扩展

  • 6 本系统开启sentinel熔断降级处理,经测试针对controller的insert方法同时配置hystrix和sentinel的降级时,实际上降级处理会进入到sentinel的降级逻辑处理块。推荐采用sentinel熔断降级模式,可以在service被调用方暴漏feign调用的时候自带熔断降级处理,保证服务的稳定性和可靠性。

  • 7 配置字典服务,默认开启mybatis的二级缓存,存储字典数据信息,微服务集中使用字典服务

  • 8 用户服务示例集成solr日志记录方式,利用solr的搜索引擎能力提高日志快速查询功能,提高快速定位系统问题的能力。

  • 9 用户服务示例集成MINIO对象存储技术,创建minio桶为私有类型,上传文件之后生成带有时效性的url地址提供访问,超时访问直接拒绝,超时时间可以支持配置,删除和下载文件也都一样的处理

  • 10 用户服务示例新增分布式锁和分布式限流器使用示例,分布式锁和分布式限流器可以自己指定限流的key,自定义key相同时,表示锁定相同接口参数生效,否则针对的就是整个接口,不管参数如何统一生效

  • 11 用户服务示例新增消息通知服务模块,目前支持email和钉钉机器人两种消息通知方式,具体使用示例请参考user服务的文档说明。

  • 12 示例彩虹微服务采用两种方式做fallback处理 1:采用hystirx方式断路器模式做服务熔断降级处理,远程feign服务降级时,处理比较麻烦 2:sentinel模式的服务熔断降级处理,可以将降级代码跟业务代码写在一起方便做业务熔断降级处理(一般接入mq消息队列做最终一致性,为了保证消费幂等,建议在加一张表存储消息消费庄涛)

  • 13 接入activeMq针对微服务seltinel降级处理时,异步解耦处理并最终实现数据一致性,具体示例在user服务中,也可以使用hystrix模式的fallback,本处为了代码统一管理,将sentinel的降级放在degrade包统一处理。

  • 14 seata整合全局异常处理时,全局异常处理是方便统一异常管理,但是在feign调用seata开启全局事务时,执行抛出的异常需要让seata处理,全局异常不能直接吞掉该异常,需要向上抛出程序异常,让seata-server根据执行结果判断是否回滚。
    a.可以在发起feign全局事务源处,通过feign调用其他服务客户端(方法的返回参数,如果是Result类型,则需要自行根据结果的code判断是否请求成功,若失败自己抛出异常,让seata回滚数据。返回类型非Result时,feign会提示pasre异常,seata补货到异常直接出来了),返回为Result类型时,然后根据客户端返回结果,自行判断是否成功处理。
    b.可以在全局事务被调用方全部try{}catch(Exection e){ throw new IgnoreException(e.getMessage());},最后在客户端请求发起方针对异常结果处理。

  • 15 接入activeMq整合sentinel服务降级处理,采用JMS服务解耦处理降级示例,针对熔断情况建议在熔断处理时,抛出异常方便seata异常回滚事务控制,服务降级时,自己处理即可

  • 16 sentinel-dashboard跟sentinel-client(微服务)之间交互,显示簇点链路时,需要处理数据结果。sentinel客户端默认配置的为服务内网IP,需要加上配置spring.cloud.sentinel.transport.client-ip=127.0.0.1指定外网IP跟dashboard之间通讯。

  • 17 redisson延迟队列,针对延迟任务执行,比如订单30分钟未支付,自动超时处理场景。开启redis过期时间,也可以针对订单30分钟未支付超时处理场景,此种场景下可使用rocketMq延迟队列来解决问题。

  • 18 引入spring-retry优雅处理重试场景业务,具体示例在user服务已经集成,更多资料请参考官网针对spring-retry的详细介绍和描述,该模块可以优雅处理重试场景业务代码,优化代码结构提高代码可读性。

  • 19 配置seata使用AT模式时,可以配置@GlobalTransactional(rollbackFor = Exception.class,timeoutMills=90000),指定全局事务处理超时时间防止分支事务超时导致的提交失败问题。

  • 20 项目部署完毕,启动user和order将自动创建对应服务的undo_log表,seata本地事务依赖此表处理,如果缺失表可以拷贝user和order对应脚本创建本地库脚本。

  • 21 mybatis-plus默认配置的执行字段执行策略是非空才会insert/update,如果需要指定策略,可以在db实体类上面加上如下注解:@TableField(updateStrategy = FieldStrategy.IGNORED),也可以全局mybatis-plus配置执行策略

  • 22 接入rocketMq4.7版本,采用rocketMq的延迟队列消息,简单实现发送延迟1分钟消息提示功能,代码示例在openService.convertAndSend(),监听代码在DelayMessageHandler处理类

  • 23 接入rocketMq4.7版本,采用rocketMq的半事务方式解决分布式事务问题,项目user服务第一次启动时,会自动创建mq_producer_log和mq_consumer_log表,分别存在生产者库和消费端库。消息体必须设置全局唯一键,此处据此保证生产者和消费者两边数据幂等和最终核对数据逻辑。目前以上两张表配置为spring.datasource.initialization-mode=always,当两张表已存在时,必须调整配置为spring.datasource.initialization-mode=NEVER,防止两张表数据被清空导致历史数据核对出现问题!!!

  • 24 采用springBoot自动初始化表结构时,尤其需要注意第一次启动系统时,配置spring.datasource.initialization-mode=always,当两张表已存在时,必须调整配置为spring.datasource.initialization-mode=NEVER,防止两张表数据被清空导致历史数据核对出现问题!!!

  • 25 系统采用oauth2.0的密码模式登录,账户权限请在中台配置PBCA,系统登录需要携带version,clientId,权限认证服务配置nexpion集成灰度发布组件。

  • 26 系统采用seata+(服务降级)rocketMq(半事务),方式来确保最终数据的一致性,利用seata保证多个多个微服务参与方的分布式事务一致,rocketMq针对某微服务降级时,保证降级服务的数据最终一致性。

  • 27 针对需要降级的服务接口,采用sentinel模式@SentinelResource注解方式时,value需要填写完整的请求路径,不能是缩写(sentinel-dashboard展示的链路完整地址),否则@SentinelResource配置的fallback和blockHandler可能会失效。

  • 28 系统鉴权认证采用oauth2基于redisstore模式读取验证token,所以需要中台(authority),商城(auth,dispatch)三个服务连接相同redis库并配置相同db,这一点尤其需要特别注意。。。。。。

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简介

商城微服务框架,集成platform中台基础组件库,一键式接入微服务 展开 收起
Java 等 2 种语言
Apache-2.0
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