init

2026-06-12 16:14:58 +08:00
parent cf71897528
commit a7ba0f21e5
235 changed files with 33574 additions and 0 deletions
@@ -0,0 +1,30 @@
+-- 创建 order库、业务表、undo_log表
+create database seata_order;
+use seata_order;
+
+DROP TABLE IF EXISTS `tb_order`;
+CREATE TABLE `tb_order` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `user_id` varchar(255) DEFAULT NULL,
+  `commodity_code` varchar(255) DEFAULT NULL,
+  `count` int(11) DEFAULT 0,
+  `money` int(11) DEFAULT 0,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+CREATE TABLE `undo_log`
+(
+  `id`            BIGINT(20)   NOT NULL AUTO_INCREMENT,
+  `branch_id`     BIGINT(20)   NOT NULL,
+  `xid`           VARCHAR(100) NOT NULL,
+  `context`       VARCHAR(128) NOT NULL,
+  `rollback_info` LONGBLOB     NOT NULL,
+  `log_status`    INT(11)      NOT NULL,
+  `log_created`   DATETIME     NOT NULL,
+  `log_modified`  DATETIME     NOT NULL,
+  `ext`           VARCHAR(100) DEFAULT NULL,
+  PRIMARY KEY (`id`),
+  UNIQUE KEY `ux_undo_log` (`xid`, `branch_id`)
+) ENGINE = InnoDB
+  AUTO_INCREMENT = 1
+  DEFAULT CHARSET = utf8;
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>blade-example</artifactId>
+        <groupId>org.springblade</groupId>
+        <version>${revision}</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>blade-seata-order</artifactId>
+    <name>${project.artifactId}</name>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springblade</groupId>
+            <artifactId>blade-core-boot</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springblade</groupId>
+            <artifactId>blade-starter-transaction</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>
@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springblade.seata.order;
+
+import org.springblade.common.constant.LauncherConstant;
+import org.springblade.core.cloud.feign.EnableBladeFeign;
+import org.springblade.core.launch.BladeApplication;
+import org.springblade.core.transaction.annotation.SeataCloudApplication;
+
+/**
+ * Order启动器
+ *
+ * @author Chill
+ */
+@EnableBladeFeign
+@SeataCloudApplication
+public class SeataOrderApplication {
+
+	public static void main(String[] args) {
+		BladeApplication.run(LauncherConstant.APPLICATION_SEATA_ORDER_NAME, SeataOrderApplication.class, args);
+	}
+
+}
+
@@ -0,0 +1,34 @@
+package org.springblade.seata.order.controller;
+
+import lombok.AllArgsConstructor;
+import org.springblade.core.tool.api.R;
+import org.springblade.seata.order.service.IOrderService;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * OrderController
+ *
+ * @author Chill
+ */
+@RestController
+@RequestMapping("order")
+@AllArgsConstructor
+public class OrderController {
+
+	private final IOrderService orderService;
+
+	/**
+	 * 创建订单
+	 *
+	 * @param userId        用户id
+	 * @param commodityCode 商品代码
+	 * @param count         数量
+	 * @return boolean
+	 */
+	@RequestMapping("/create")
+	public R createOrder(String userId, String commodityCode, Integer count) {
+		return R.status(orderService.createOrder(userId, commodityCode, count));
+	}
+
+}
@@ -0,0 +1,33 @@
+package org.springblade.seata.order.entity;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.Data;
+import lombok.experimental.Accessors;
+
+import java.io.Serial;
+import java.io.Serializable;
+import java.math.BigDecimal;
+
+/**
+ * Order
+ *
+ * @author Chill
+ */
+@Data
+@Accessors(chain = true)
+@TableName("tb_order")
+public class Order implements Serializable {
+
+	@Serial
+	private static final long serialVersionUID = 1L;
+
+	@TableId(value = "id", type = IdType.AUTO)
+	private Integer id;
+	private String userId;
+	private String commodityCode;
+	private Integer count;
+	private BigDecimal money;
+
+}
@@ -0,0 +1,25 @@
+package org.springblade.seata.order.feign;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+/**
+ * StorageClient
+ *
+ * @author Chill
+ */
+@FeignClient(name = "blade-seata-storage", fallback = StorageClientFallback.class)
+public interface IStorageClient {
+
+	/**
+	 * 减库存
+	 *
+	 * @param commodityCode 商品代码
+	 * @param count         数量
+	 * @return boolean
+	 */
+	@GetMapping("/storage/deduct")
+	int deduct(@RequestParam("commodityCode") String commodityCode, @RequestParam("count") Integer count);
+
+}
@@ -0,0 +1,18 @@
+package org.springblade.seata.order.feign;
+
+import org.springframework.stereotype.Component;
+
+/**
+ * StorageClientFallback
+ *
+ * @author Chill
+ */
+@Component
+public class StorageClientFallback implements IStorageClient {
+
+	@Override
+	public int deduct(String commodityCode, Integer count) {
+		return -1;
+	}
+
+}
@@ -0,0 +1,12 @@
+package org.springblade.seata.order.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.springblade.seata.order.entity.Order;
+
+/**
+ * OrderMapper
+ *
+ * @author Chill
+ */
+public interface OrderMapper extends BaseMapper<Order> {
+}
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="org.springblade.seata.order.mapper.OrderMapper">
+
+</mapper>
@@ -0,0 +1,23 @@
+package org.springblade.seata.order.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import org.springblade.seata.order.entity.Order;
+
+/**
+ * IOrderService
+ *
+ * @author Chill
+ */
+public interface IOrderService extends IService<Order> {
+
+	/**
+	 * 创建订单
+	 *
+	 * @param userId        用户id
+	 * @param commodityCode 商品代码
+	 * @param count         数量
+	 * @return boolean
+	 */
+	boolean createOrder(String userId, String commodityCode, Integer count);
+
+}
@@ -0,0 +1,48 @@
+package org.springblade.seata.order.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import io.seata.spring.annotation.GlobalTransactional;
+import lombok.AllArgsConstructor;
+import org.springblade.core.log.exception.ServiceException;
+import org.springblade.seata.order.entity.Order;
+import org.springblade.seata.order.feign.IStorageClient;
+import org.springblade.seata.order.mapper.OrderMapper;
+import org.springblade.seata.order.service.IOrderService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+
+/**
+ * OrderServiceImpl
+ *
+ * @author Chill
+ */
+@Service
+@AllArgsConstructor
+public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements IOrderService {
+
+	private final IStorageClient storageClient;
+
+	@Override
+	@GlobalTransactional
+	@Transactional(rollbackFor = Exception.class)
+	public boolean createOrder(String userId, String commodityCode, Integer count) {
+		int maxCount = 100;
+		BigDecimal orderMoney = new BigDecimal(count).multiply(new BigDecimal(5));
+		Order order = new Order()
+			.setUserId(userId)
+			.setCommodityCode(commodityCode)
+			.setCount(count)
+			.setMoney(orderMoney);
+		int cnt1 = baseMapper.insert(order);
+		int cnt2 = storageClient.deduct(commodityCode, count);
+		if (cnt2 < 0) {
+			throw new ServiceException("创建订单失败");
+		} else if (count > maxCount) {
+			throw new ServiceException("超过订单最大值，创建订单失败");
+		}
+		return cnt1 > 0 && cnt2 > 0;
+	}
+
+}
@@ -0,0 +1,15 @@
+#服务器端口
+server:
+  port: 8501
+
+#数据源配置
+spring:
+  datasource:
+    url: jdbc:mysql://localhost:3306/seata_order?useSSL=false&useUnicode=true&characterEncoding=utf-8&zeroDateTimeBehavior=convertToNull&transformedBitIsBoolean=true&serverTimezone=GMT%2B8&nullCatalogMeansCurrent=true&allowPublicKeyRetrieval=true
+    username: root
+    password: root
+
+#常规配置
+blade:
+  mybatis-plus:
+    tenant-mode: false