完成基本下单的学习
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@@ -19,10 +19,69 @@
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<dependencies>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>3.8.1</version>
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<scope>test</scope>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
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</dependency>
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<!-- 可选:Nacos 配置管理(从 Nacos 读取配置文件) -->
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba-nacos-config</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-openfeign</artifactId>
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</dependency>
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<!-- 负载均衡(Feign 内置,但显式引入更清晰) -->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-loadbalancer</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-core</artifactId>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis</artifactId>
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<version>3.5.19</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.mybatis</groupId>
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<artifactId>mybatis-spring</artifactId>
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<version>4.0.0</version>
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<scope>compile</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.mybatis.spring.boot</groupId>
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<artifactId>mybatis-spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>com.mysql</groupId>
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<artifactId>mysql-connector-j</artifactId>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.apache.rocketmq</groupId>
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<artifactId>rocketmq-spring-boot-starter</artifactId>
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</dependency>
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</dependencies>
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</project>
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@@ -1,13 +1,17 @@
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package cn.mayiming;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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/**
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* Hello world!
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*
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*/
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@SpringBootApplication
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public class App
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{
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public static void main( String[] args )
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{
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System.out.println( "Hello World!" );
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SpringApplication.run(App.class, args);
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}
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}
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@@ -0,0 +1,18 @@
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package cn.mayiming.Consumer;
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import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
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import org.apache.rocketmq.spring.core.RocketMQListener;
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import org.springframework.stereotype.Component;
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@Component
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@RocketMQMessageListener(
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topic = "pay_topic",
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consumerGroup = "pay-service-consumer",
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selectorExpression = "pay_success"
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)
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public class payConsumer implements RocketMQListener<String> {
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@Override
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public void onMessage(String s) {
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System.out.println("接收到消息"+s);
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}
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}
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52
pay-service/src/main/resources/application.yml
Normal file
52
pay-service/src/main/resources/application.yml
Normal file
@@ -0,0 +1,52 @@
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server:
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port: 9093
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spring:
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application:
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name: pay-service
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cloud:
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nacos:
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# 服务注册发现配置
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discovery:
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server-addr: localhost:8848 # Nacos 服务地址(默认端口 8848)
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namespace: public # 命名空间(默认 public,自定义需先在 Nacos 控制台创建)
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group: DEFAULT_GROUP # 分组(默认 DEFAULT_GROUP)
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service: pay-service # 注册到 Nacos 的服务名(建议和子项目 artifactId 一致)
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# 配置管理配置(如果引入了 config 依赖才需要)
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config:
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server-addr: localhost:8848 # 和 discovery 一致
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file-extension: yaml
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namespace: public
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group: DEFAULT_GROUP
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config:
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import: nacos:${spring.application.name}.${spring.cloud.nacos.config.file-extension}?server-addr=${spring.cloud.nacos.config.server-addr}
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datasource:
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# 数据库驱动类(MySQL 8.x 用 com.mysql.cj.jdbc.Driver,5.x 用 com.mysql.jdbc.Driver)
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driver-class-name: com.mysql.cj.jdbc.Driver
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# 数据库连接 URL(替换为你的数据库地址、端口、库名,如 user_db)
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url: jdbc:mysql://rm-f8z6oc5a03331500p8o.mysql.rds.aliyuncs.com:3306/pay_db?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true
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# 数据库用户名(默认 root,根据实际情况修改)
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username: root
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# 数据库密码(替换为你的 MySQL 密码)
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password: Root123456
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# 可选:连接池配置(推荐使用 HikariCP,Spring Boot 2.x 默认)
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hikari:
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# 连接池最大连接数
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maximum-pool-size: 10
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# 连接池最小空闲连接数
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minimum-idle: 2
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# 连接超时时间(毫秒)
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connection-timeout: 30000
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# 连接最大存活时间(毫秒)
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max-lifetime: 1800000
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rocketmq:
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# NameServer 地址(替换为你的 RocketMQ 服务器IP)
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name-server: 127.0.0.1:9876
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consumer:
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# 消费者组名(必须唯一,建议按服务+用途命名)
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group: order-service-consumer
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# 消费模式:CONCURRENTLY(并发消费,默认)/ORDERLY(顺序消费)
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consume-mode: CONCURRENTLY
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# 批量消费最大条数(默认1,单条消费)
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consume-message-batch-max-size: 1
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# 最大重试次数(消费失败后自动重试,超过次数进入死信队列)
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max-reconsume-times: 3
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