init

2026-06-12 16:14:58 +08:00
parent cf71897528
commit a7ba0f21e5
235 changed files with 33574 additions and 0 deletions
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+/**
+ * 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);
+	}
+
+}
+
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+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));
+	}
+
+}
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+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;
+
+}
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+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);
+
+}
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+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;
+	}
+
+}
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+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> {
+}
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+<?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>
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+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);
+
+}
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+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;
+	}
+
+}
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+#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