lywsvip/SpringBoot-Labs
1
0
Fork 0
mirror of https://gitee.com/yudaocode/SpringBoot-Labs.git synced 2026-09-03 05:53:54 +08:00
Code Issues Packages Projects Releases Wiki Activity

增加 seata 服务

Browse Source
This commit is contained in:
YunaiV
2020-04-02 20:51:00 +08:00
parent 8b1a03a7a0
commit 9f807d25e9
8 changed files with 192 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-account-service/src/main/resources/application-file.yaml Normal file
View File

@@ -0,0 +1,38 @@
spring:
application:
name: account-service
datasource:
url: jdbc:mysql://127.0.0.1:3306/seata_account?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# dubbo 配置项，对应 DubboConfigurationProperties 配置类
dubbo:
# Dubbo 应用配置
application:
name: ${spring.application.name} # 应用名
# Dubbo 注册中心配
registry:
address: nacos://127.0.0.1:8848 # 注册中心地址。个鞥多注册中心，可见 http://dubbo.apache.org/zh-cn/docs/user/references/registry/introduction.html 文档。
# Dubbo 服务提供者协议配置
protocol:
port: -1 # 协议端口。使用 -1 表示随机端口。
name: dubbo # 使用 `dubbo://` 协议。更多协议，可见 http://dubbo.apache.org/zh-cn/docs/user/references/protocol/introduction.html 文档
# 配置扫描 Dubbo 自定义的 @Service 注解，暴露成 Dubbo 服务提供者
scan:
base-packages: cn.iocoder.springboot.lab53.accountservice.service
# Seata 配置项，对应 SeataProperties 类
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
account-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091

12
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-account-service/src/main/resources/application.yaml
View File

@@ -28,11 +28,15 @@ dubbo:
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
# Seata 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
account-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091
# Seata 注册中心配置项，对应 RegistryProperties 类
registry:
type: nacos # 注册中心类型，默认为 file
nacos:
cluster: default # 使用的 Seata 分组
namespace: # Nacos 命名空间
serverAddr: localhost # Nacos 服务地址

41
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-order-service/src/main/resources/application-file.yaml Normal file
View File

@@ -0,0 +1,41 @@
server:
port: 8081 # 端口
spring:
application:
name: user-service
datasource:
url: jdbc:mysql://127.0.0.1:3306/seata_order?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# dubbo 配置项，对应 DubboConfigurationProperties 配置类
dubbo:
# Dubbo 应用配置
application:
name: ${spring.application.name} # 应用名
# Dubbo 注册中心配
registry:
address: nacos://127.0.0.1:8848 # 注册中心地址。个鞥多注册中心，可见 http://dubbo.apache.org/zh-cn/docs/user/references/registry/introduction.html 文档。
# Dubbo 服务提供者协议配置
protocol:
port: -1 # 协议端口。使用 -1 表示随机端口。
name: dubbo # 使用 `dubbo://` 协议。更多协议，可见 http://dubbo.apache.org/zh-cn/docs/user/references/protocol/introduction.html 文档
# 配置扫描 Dubbo 自定义的 @Service 注解，暴露成 Dubbo 服务提供者
scan:
base-packages: cn.iocoder.springboot.lab53.orderservice.service
# Seata 配置项，对应 SeataProperties 类
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
user-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091

16
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-order-service/src/main/resources/application.yaml
View File

@@ -3,7 +3,7 @@ server:
spring:
application:
name: user-service
name: order-service
datasource:
url: jdbc:mysql://127.0.0.1:3306/seata_order?useSSL=false&useUnicode=true&characterEncoding=UTF-8
@@ -31,11 +31,15 @@ dubbo:
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
# Seata 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
user-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091
order-service-group: default
# Seata 注册中心配置项，对应 RegistryProperties 类
registry:
type: nacos # 注册中心类型，默认为 file
nacos:
cluster: default # 使用的 Seata 分组
namespace: # Nacos 命名空间
serverAddr: localhost # Nacos 服务地址

17
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-product-service/src/main/java/cn/iocoder/springboot/lab53/productservice/service/ProductService.java
View File

@@ -1,17 +0,0 @@
package cn.iocoder.springboot.lab53.productservice.service;
/**
* 商品 Service
*/
public interface ProductService {
/**
* 扣减库存
*
* @param productId 商品 ID
* @param amount 扣减数量
* @throws Exception 扣减失败时抛出异常
*/
void reduceStock(Long productId, Integer amount) throws Exception;
}

49
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-product-service/src/main/java/cn/iocoder/springboot/lab53/productservice/service/ProductServiceImpl.java Normal file
View File

@@ -0,0 +1,49 @@
package cn.iocoder.springboot.lab53.productservice.service;
import cn.iocoder.springboot.lab53.productservice.dao.ProductDao;
import cn.iocoder.springboot.lab53.storageservice.api.ProductService;
import io.seata.core.context.RootContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
@org.apache.dubbo.config.annotation.Service
public class ProductServiceImpl implements ProductService {
private Logger logger = LoggerFactory.getLogger(getClass());
@Autowired
private ProductDao productDao;
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW) // 开启新事物
public void reduceStock(Long productId, Integer amount) throws Exception {
logger.info("[reduceStock] 当前 XID: {}", RootContext.getXID());
// 检查库存
checkStock(productId, amount);
logger.info("[reduceStock] 开始扣减 {} 库存", productId);
// 扣减库存
int updateCount = productDao.reduceStock(productId, amount);
// 扣除成功
if (updateCount == 0) {
logger.warn("[reduceStock] 扣除 {} 库存失败", productId);
throw new Exception("库存不足");
}
// 扣除失败
logger.info("[reduceStock] 扣除 {} 库存成功", productId);
}
private void checkStock(Long productId, Integer requiredAmount) throws Exception {
logger.info("[checkStock] 检查 {} 库存", productId);
Integer stock = productDao.getStock(productId);
if (stock < requiredAmount) {
logger.warn("[checkStock] {} 库存不足，当前库存: {}", productId, stock);
throw new Exception("库存不足");
}
}
}

38
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-product-service/src/main/resources/application-file.yaml Normal file
View File

@@ -0,0 +1,38 @@
spring:
application:
name: product-service
datasource:
url: jdbc:mysql://127.0.0.1:3306/seata_product?useSSL=false&useUnicode=true&characterEncoding=UTF-8
driver-class-name: com.mysql.jdbc.Driver
username: root
password:
# dubbo 配置项，对应 DubboConfigurationProperties 配置类
dubbo:
# Dubbo 应用配置
application:
name: ${spring.application.name} # 应用名
# Dubbo 注册中心配
registry:
address: nacos://127.0.0.1:8848 # 注册中心地址。个鞥多注册中心，可见 http://dubbo.apache.org/zh-cn/docs/user/references/registry/introduction.html 文档。
# Dubbo 服务提供者协议配置
protocol:
port: -1 # 协议端口。使用 -1 表示随机端口。
name: dubbo # 使用 `dubbo://` 协议。更多协议，可见 http://dubbo.apache.org/zh-cn/docs/user/references/protocol/introduction.html 文档
# 配置扫描 Dubbo 自定义的 @Service 注解，暴露成 Dubbo 服务提供者
scan:
base-packages: cn.iocoder.springboot.lab53.productservice.service
# Seata 配置项，对应 SeataProperties 类
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
product-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091

12
lab-53/lab-53-seata-at-dubbo-demo/lab-53-seata-at-dubbo-demo-product-service/src/main/resources/application.yaml
View File

@@ -28,11 +28,15 @@ dubbo:
seata:
application-id: ${spring.application.name} # Seata 应用编号，默认为 ${spring.application.name}
tx-service-group: ${spring.application.name}-group # Seata 事务组编号，用于 TC 集群名
# 服务配置项，对应 ServiceProperties 类
# Seata 服务配置项，对应 ServiceProperties 类
service:
# 虚拟组和分组的映射
vgroup-mapping:
product-service-group: default
# 分组和 Seata 服务的映射
grouplist:
default: 127.0.0.1:8091
# Seata 注册中心配置项，对应 RegistryProperties 类
registry:
type: nacos # 注册中心类型，默认为 file
nacos:
cluster: default # 使用的 Seata 分组
namespace: # Nacos 命名空间
serverAddr: localhost # Nacos 服务地址