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# 物流微服务
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package org.example;
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import org.example.conf.DataSourceProxyAutoConfiguration;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.context.annotation.Import;
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import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
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/**
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* <h1>物流微服务启动入口</h1>
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* */
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@Import(DataSourceProxyAutoConfiguration.class) // 用于分布式事务的数据源配置
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@EnableJpaAuditing
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@EnableDiscoveryClient
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@SpringBootApplication
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public class LogisticsApplication {
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public static void main(String[] args) {
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SpringApplication.run(LogisticsApplication.class, args);
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}
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}
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package org.example.dao;
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import org.example.entity.EcommerceLogistics;
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import org.springframework.data.jpa.repository.JpaRepository;
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/**
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* <h1>EcommerceLogistics Dao 接口定义</h1>
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* */
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public interface EcommerceLogisticsDao extends JpaRepository<EcommerceLogistics, Long> {
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}
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package org.example.entity;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.data.annotation.CreatedDate;
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import org.springframework.data.annotation.LastModifiedDate;
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import org.springframework.data.jpa.domain.support.AuditingEntityListener;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.EntityListeners;
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import javax.persistence.GeneratedValue;
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import javax.persistence.GenerationType;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import java.util.Date;
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/**
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* <h1>物流表实体类定义</h1>
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* */
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@Data
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@NoArgsConstructor
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@AllArgsConstructor
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@Entity
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@EntityListeners(AuditingEntityListener.class)
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@Table(name = "t_dev_protocol_cloud_logistics")
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public class EcommerceLogistics {
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/** 自增主键 */
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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@Column(name = "id", nullable = false)
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private Long id;
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/** 用户 id */
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@Column(name = "user_id", nullable = false)
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private Long userId;
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/** 订单 id */
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@Column(name = "order_id", nullable = false)
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private Long orderId;
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/** 用户地址 id */
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@Column(name = "address_id", nullable = false)
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private Long addressId;
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/** 备注信息(json 存储) */
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@Column(name = "extra_info", nullable = false)
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private String extraInfo;
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/** 创建时间 */
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@CreatedDate
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@Column(name = "create_time", nullable = false)
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private Date createTime;
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/** 更新时间 */
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@LastModifiedDate
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@Column(name = "update_time", nullable = false)
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private Date updateTime;
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public EcommerceLogistics(Long userId, Long orderId, Long addressId, String extraInfo) {
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this.userId = userId;
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this.orderId = orderId;
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this.addressId = addressId;
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this.extraInfo = StringUtils.isNotBlank(extraInfo) ? extraInfo : "{}";
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}
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}
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package org.example.service;
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import com.alibaba.fastjson.JSON;
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import lombok.extern.slf4j.Slf4j;
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import org.example.dao.EcommerceLogisticsDao;
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import org.example.entity.EcommerceLogistics;
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import org.example.order.LogisticsMessage;
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import org.example.sink.LogisticsSink;
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import org.springframework.cloud.stream.annotation.EnableBinding;
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import org.springframework.cloud.stream.annotation.StreamListener;
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import org.springframework.messaging.handler.annotation.Payload;
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/**
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* <h1>物流服务实现</h1>
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* */
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@Slf4j
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@EnableBinding(LogisticsSink.class)
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public class LogisticsServiceImpl {
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private final EcommerceLogisticsDao logisticsDao;
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public LogisticsServiceImpl(EcommerceLogisticsDao logisticsDao) {
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this.logisticsDao = logisticsDao;
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}
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/**
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* <h2>订阅监听订单微服务发送的物流消息</h2>
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* */
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@StreamListener("logisticsInput")
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public void consumeLogisticsMessage(@Payload Object payload) {
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log.info("receive and consume logistics message: [{}]", payload.toString());
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LogisticsMessage logisticsMessage = JSON.parseObject(
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payload.toString(), LogisticsMessage.class
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);
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EcommerceLogistics ecommerceLogistics = logisticsDao.save(
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new EcommerceLogistics(
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logisticsMessage.getUserId(),
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logisticsMessage.getOrderId(),
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logisticsMessage.getAddressId(),
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logisticsMessage.getExtraInfo()
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)
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);
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log.info("consume logistics message success: [{}]", ecommerceLogistics.getId());
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}
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}
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package org.example.sink;
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import org.springframework.cloud.stream.annotation.Input;
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import org.springframework.messaging.SubscribableChannel;
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/**
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* <h1>自定义物流信息接收器(Sink)</h1>
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* */
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public interface LogisticsSink {
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/** 输入信道名称 */
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String INPUT = "logisticsInput";
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/**
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* <h2>物流 Sink -> logisticsInput</h2>
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* */
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@Input(LogisticsSink.INPUT)
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SubscribableChannel logisticsInput();
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}
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server:
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port: 8004
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servlet:
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context-path: /dev-protocol-springcloud-project-logistics-service
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spring:
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main:
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allow-bean-definition-overriding: true
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application:
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name: dev-protocol-springcloud-project-logistics-service
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cloud:
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stream:
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kafka:
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binder:
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brokers: 127.0.0.1:9092
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auto-create-topics: true
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bindings:
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logisticsInput:
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destination: e-commerce-topic # kafka topic
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content-type: text/plain
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alibaba:
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seata:
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tx-service-group: dev-protocol # seata 全局事务分组
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nacos:
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discovery:
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enabled: true # 如果不想使用 Nacos 进行服务注册和发现, 设置为 false 即可
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server-addr: 127.0.0.1:8848
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# server-addr: 127.0.0.1:8848,127.0.0.1:8849,127.0.0.1:8850 # Nacos 服务器地址
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namespace: 1ccc74ae-9398-4dbe-b9d7-4f9addf9f40c
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# 引入 sleuth + zipkin + kafka
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kafka:
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bootstrap-servers: 127.0.0.1:9092
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producer:
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retries: 3
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consumer:
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auto-offset-reset: latest
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sleuth:
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sampler:
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probability: 1.0 # 采样比例, 1.0 表示 100%, 默认是 0.1
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zipkin:
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sender:
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type: kafka # 默认是 http
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base-url: http://localhost:9411/
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jpa:
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show-sql: true
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hibernate:
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ddl-auto: none
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properties:
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hibernate.show_sql: true
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hibernate.format_sql: true
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open-in-view: false
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datasource:
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# 数据源
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url: jdbc:mysql://127.0.0.1:3306/imooc_e_commerce?autoReconnect=true&useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=GMT%2B8
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username: root
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password: root
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type: com.zaxxer.hikari.HikariDataSource
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driver-class-name: com.mysql.cj.jdbc.Driver
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# 连接池
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hikari:
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maximum-pool-size: 8
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minimum-idle: 4
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idle-timeout: 30000
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connection-timeout: 30000
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max-lifetime: 45000
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auto-commit: true
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pool-name: devProtocolSpringcloudHikariCP
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# 暴露端点
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management:
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endpoints:
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web:
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exposure:
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include: '*'
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endpoint:
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health:
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show-details: always
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## transaction log store, only used in seata-server
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store {
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## store mode: file、db、redis
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mode = "db"
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## file store property
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file {
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## store location dir
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dir = "sessionStore"
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# branch session size , if exceeded first try compress lockkey, still exceeded throws exceptions
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maxBranchSessionSize = 16384
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# globe session size , if exceeded throws exceptions
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maxGlobalSessionSize = 512
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# file buffer size , if exceeded allocate new buffer
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fileWriteBufferCacheSize = 16384
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# when recover batch read size
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sessionReloadReadSize = 100
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# async, sync
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flushDiskMode = async
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}
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## database store property
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db {
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## the implement of javax.sql.DataSource, such as DruidDataSource(druid)/BasicDataSource(dbcp)/HikariDataSource(hikari) etc.
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datasource = "druid"
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## mysql/oracle/postgresql/h2/oceanbase etc.
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dbType = "mysql"
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driverClassName = "com.mysql.jdbc.Driver"
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url = "jdbc:mysql://127.0.0.1:3306/seata?autoReconnect=true&useUnicode=true&characterEncoding=utf8&useSSL=false"
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user = "root"
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password = "root"
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minConn = 5
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maxConn = 100
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globalTable = "global_table"
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branchTable = "branch_table"
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lockTable = "lock_table"
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queryLimit = 100
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maxWait = 5000
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}
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## redis store property
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redis {
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host = "127.0.0.1"
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port = "6379"
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password = ""
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database = "0"
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minConn = 1
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maxConn = 10
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maxTotal = 100
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queryLimit = 100
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}
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}
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service {
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vgroupMapping.imooc-ecommerce = "default"
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default.grouplist = "127.0.0.1:8091"
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}
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client {
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async.commit.buffer.limit = 10000
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lock {
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retry.internal = 10
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retry.times = 30
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}
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}
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registry {
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# file、nacos、eureka、redis、zk、consul
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type = "file"
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file {
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name = "file.conf"
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}
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}
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config {
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type = "file"
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file {
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name = "file.conf"
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}
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}
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-- 创建 t_ecommerce_logistics 数据表
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CREATE TABLE IF NOT EXISTS `dev_protocol_springcloud_project`.`t_dev_protocol_cloud_logistics` (
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`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '自增主键',
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`user_id` bigint(20) NOT NULL DEFAULT 0 COMMENT '用户 id',
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`order_id` bigint(20) NOT NULL DEFAULT 0 COMMENT '订单 id',
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`address_id` bigint(20) NOT NULL DEFAULT 0 COMMENT '用户地址记录 id',
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`extra_info` varchar(512) NOT NULL COMMENT '备注信息(json 存储)',
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`create_time` datetime NOT NULL DEFAULT '0000-01-01 00:00:00' COMMENT '创建时间',
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`update_time` datetime NOT NULL DEFAULT '0000-01-01 00:00:00' COMMENT '更新时间',
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=utf8mb4 COMMENT='物流表';
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@ -1,4 +1,4 @@
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# 订单微服务
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# 订单微服务
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##
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## 12. 订单微服务总结
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Loading…
Reference in New Issue