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前端和后台，分别拆分成两个独立项目，便于维护

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zhangdaiscott
2022-08-12 09:56:53 +08:00
parent d70806947d
commit d135f32b7b
1985 changed files with 5 additions and 130529 deletions
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79
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/db/seata.sql Normal file
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/*
Navicat Premium Data Transfer
Source Server : localhost
Source Server Type : MariaDB
Source Server Version : 100316
Source Host : localhost:3300
Source Schema : seata
Target Server Type : MariaDB
Target Server Version : 100316
File Encoding : 65001
Date: 05/01/2022 20:25:07
*/
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for branch_table
-- ----------------------------
DROP TABLE IF EXISTS `branch_table`;
CREATE TABLE `branch_table` (
`branch_id` bigint(20) NOT NULL,
`xid` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`transaction_id` bigint(20) NULL DEFAULT NULL,
`resource_group_id` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`resource_id` varchar(256) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`branch_type` varchar(8) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`status` tinyint(4) NULL DEFAULT NULL,
`client_id` varchar(64) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`application_data` varchar(2000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`gmt_create` datetime(6) NULL DEFAULT NULL,
`gmt_modified` datetime(6) NULL DEFAULT NULL,
PRIMARY KEY (`branch_id`) USING BTREE,
INDEX `idx_xid`(`xid`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for global_table
-- ----------------------------
DROP TABLE IF EXISTS `global_table`;
CREATE TABLE `global_table` (
`xid` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`transaction_id` bigint(20) NULL DEFAULT NULL,
`status` tinyint(4) NOT NULL,
`application_id` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`transaction_service_group` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`transaction_name` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`timeout` int(11) NULL DEFAULT NULL,
`begin_time` bigint(20) NULL DEFAULT NULL,
`application_data` varchar(2000) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`gmt_create` datetime(0) NULL DEFAULT NULL,
`gmt_modified` datetime(0) NULL DEFAULT NULL,
PRIMARY KEY (`xid`) USING BTREE,
INDEX `idx_gmt_modified_status`(`gmt_modified`, `status`) USING BTREE,
INDEX `idx_transaction_id`(`transaction_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for lock_table
-- ----------------------------
DROP TABLE IF EXISTS `lock_table`;
CREATE TABLE `lock_table` (
`row_key` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`xid` varchar(96) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`transaction_id` bigint(20) NULL DEFAULT NULL,
`branch_id` bigint(20) NOT NULL,
`resource_id` varchar(256) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`table_name` varchar(32) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`pk` varchar(36) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`gmt_create` datetime(0) NULL DEFAULT NULL,
`gmt_modified` datetime(0) NULL DEFAULT NULL,
PRIMARY KEY (`row_key`) USING BTREE,
INDEX `idx_branch_id`(`branch_id`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;

14
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/pom.xml Normal file
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<?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>jeecg-cloud-test-seata</artifactId>
<groupId>org.jeecgframework.boot</groupId>
<version>3.4.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<description>分布式事务测试模块</description>
<artifactId>jeecg-cloud-test-seata-account</artifactId>
</project>

17
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/SeataAccountApplication.java Normal file
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package org.jeecg;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* 分布式事务-账户服务
* @author zyf
*/
@SpringBootApplication
public class SeataAccountApplication {
public static void main(String[] args) {
SpringApplication.run(SeataAccountApplication.class, args);
}
}

26
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/modules/test/seata/account/controller/SeataAccountController.java Normal file
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package org.jeecg.modules.test.seata.account.controller;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.modules.test.seata.account.service.SeataAccountService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.math.BigDecimal;
/**
* @author zyf
*/
@RestController
@RequestMapping("/test/seata/account")
public class SeataAccountController {
@Autowired
private SeataAccountService accountService;
@PostMapping("/reduceBalance")
public void reduceBalance(Long userId, BigDecimal amount) {
accountService.reduceBalance(userId, amount);
}
}

31
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/modules/test/seata/account/entity/SeataAccount.java Normal file
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package org.jeecg.modules.test.seata.account.entity;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Builder;
import lombok.Data;
import java.math.BigDecimal;
import java.util.Date;
/**
* @Description: 账户
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Data
@Builder
@TableName("account")
public class SeataAccount {
@TableId(type = IdType.AUTO)
private Long id;
/**
* 余额
*/
private BigDecimal balance;
private Date lastUpdateTime;
}

17
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/modules/test/seata/account/mapper/SeataAccountMapper.java Normal file
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package org.jeecg.modules.test.seata.account.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.jeecg.modules.test.seata.account.entity.SeataAccount;
/**
* @Description: TODO
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Mapper
public interface SeataAccountMapper extends BaseMapper<SeataAccount> {
}

18
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/modules/test/seata/account/service/SeataAccountService.java Normal file
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package org.jeecg.modules.test.seata.account.service;
import java.math.BigDecimal;
/**
* @Description: 账户接口
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
public interface SeataAccountService {
/**
* 扣减金额
* @param userId 用户 ID
* @param amount 扣减金额
*/
void reduceBalance(Long userId, BigDecimal amount);
}

54
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/java/org/jeecg/modules/test/seata/account/service/impl/SeataAccountServiceImpl.java Normal file
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package org.jeecg.modules.test.seata.account.service.impl;
import com.baomidou.dynamic.datasource.annotation.DS;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.modules.test.seata.account.entity.SeataAccount;
import org.jeecg.modules.test.seata.account.mapper.SeataAccountMapper;
import org.jeecg.modules.test.seata.account.service.SeataAccountService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
import javax.annotation.Resource;
import java.math.BigDecimal;
/**
* @Description: TODO
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Slf4j
@Service
public class SeataAccountServiceImpl implements SeataAccountService {
@Resource
private SeataAccountMapper accountMapper;
/**
* 事务传播特性设置为 REQUIRES_NEW 开启新的事务
*/
@DS("account")
@Override
@Transactional(propagation = Propagation.REQUIRES_NEW,rollbackFor = Exception.class)
public void reduceBalance(Long userId, BigDecimal amount) {
log.info("=============ACCOUNT START=================");
SeataAccount account = accountMapper.selectById(userId);
Assert.notNull(account, "用户不存在");
BigDecimal balance = account.getBalance();
log.info("下单用户{}余额为 {},商品总价为{}", userId, balance, amount);
if (balance.compareTo(amount)==-1) {
log.warn("用户 {} 余额不足，当前余额:{}", userId, balance);
throw new RuntimeException("余额不足");
}
log.info("开始扣减用户 {} 余额", userId);
BigDecimal currentBalance = account.getBalance().subtract(amount);
account.setBalance(currentBalance);
accountMapper.updateById(account);
log.info("扣减用户 {} 余额成功,扣减后用户账户余额为{}", userId, currentBalance);
log.info("=============ACCOUNT END=================");
}
}

26
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/resources/application.yml Normal file
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server:
port: 5002
spring:
application:
name: seata-account
datasource:
dynamic:
seata: true # 开启对 seata的支持
seata-mode: AT #支持XA及AT模式,默认AT
datasource:
# 设置 账号数据源配置
account:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/jeecg_account?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true&useSSL=false
username: root
password: root
schema: classpath:sql/schema-account.sql
seata:
enable-auto-data-source-proxy: false
service:
grouplist:
default: 127.0.0.1:8091
vgroup-mapping:
springboot-seata-group: default
# seata 事务组编号 用于TC集群名
tx-service-group: springboot-seata-group

37
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-account/src/main/resources/sql/schema-account.sql Normal file
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SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for account
-- ----------------------------
DROP TABLE IF EXISTS `account`;
CREATE TABLE `account` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`balance` decimal(10, 2) NULL DEFAULT NULL,
`last_update_time` timestamp NULL DEFAULT current_timestamp() ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of account
-- ----------------------------
INSERT INTO `account` VALUES (1, 50.00, '2022-03-16 17:02:53');
-- ----------------------------
-- Table structure for undo_log
-- ----------------------------
DROP TABLE IF EXISTS `undo_log`;
CREATE TABLE `undo_log` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`branch_id` bigint(20) NOT NULL,
`xid` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`context` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`rollback_info` longblob NOT NULL,
`log_status` int(11) NOT NULL,
`log_created` datetime(0) NOT NULL,
`log_modified` datetime(0) NOT NULL,
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `ux_undo_log`(`xid`, `branch_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;

14
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/pom.xml Normal file
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<?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>jeecg-cloud-test-seata</artifactId>
<groupId>org.jeecgframework.boot</groupId>
<version>3.4.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<description>分布式事务测试模块</description>
<artifactId>jeecg-cloud-test-seata-order</artifactId>
</project>

18
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/SeataOrderApplication.java Normal file
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package org.jeecg;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
/**
* @author zyf
*/
@SpringBootApplication
@EnableFeignClients
public class SeataOrderApplication {
public static void main(String[] args) {
SpringApplication.run(SeataOrderApplication.class, args);
}
}

60
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/controller/SeataOrderController.java Normal file
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package org.jeecg.modules.test.seata.order.controller;
/**
* @Description: TODO
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.jeecg.modules.test.seata.order.dto.PlaceOrderRequest;
import org.jeecg.modules.test.seata.order.service.SeataOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("/test/seata/order")
@Api(tags = "seata测试")
public class SeataOrderController {
@Autowired
private SeataOrderService orderService;
/**
* 自由下单
*/
@PostMapping("/placeOrder")
@ApiOperation(value = "自由下单", notes = "自由下单")
public String placeOrder(@Validated @RequestBody PlaceOrderRequest request) {
orderService.placeOrder(request);
return "下单成功";
}
/**
* 测试商品库存不足-异常回滚
*/
@PostMapping("/test1")
@ApiOperation(value = "测试商品库存不足", notes = "测试商品库存不足")
public String test1() {
//商品单价10元，库存20个,用户余额50元，模拟一次性购买22个。 期望异常回滚
orderService.placeOrder(new PlaceOrderRequest(1L, 1L, 22));
return "下单成功";
}
/**
* 测试用户账户余额不足-异常回滚
*/
@PostMapping("/test2")
@ApiOperation(value = "测试用户账户余额不足", notes = "测试用户账户余额不足")
public String test2() {
//商品单价10元，库存20个，用户余额50元，模拟一次性购买6个。 期望异常回滚
orderService.placeOrder(new PlaceOrderRequest(1L, 1L, 6));
return "下单成功";
}
}

28
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/dto/PlaceOrderRequest.java Normal file
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package org.jeecg.modules.test.seata.order.dto;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.validation.constraints.NotNull;
/**
* @Description: 订单请求对象
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class PlaceOrderRequest {
@NotNull
private Long userId;
@NotNull
private Long productId;
@NotNull
private Integer count;
}

21
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/dto/ReduceBalanceRequest.java Normal file
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package org.jeecg.modules.test.seata.order.dto;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @Description: 余额请求对象
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ReduceBalanceRequest {
private Long userId;
private Integer price;
}

21
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/dto/ReduceStockRequest.java Normal file
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package org.jeecg.modules.test.seata.order.dto;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
/**
* @Description: 库存请求对象
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Data
@Builder
@AllArgsConstructor
@NoArgsConstructor
public class ReduceStockRequest {
private Long productId;
private Integer amount;
}

46
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/entity/SeataOrder.java Normal file
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package org.jeecg.modules.test.seata.order.entity;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Builder;
import lombok.Data;
import org.jeecg.modules.test.seata.order.enums.OrderStatus;
import java.math.BigDecimal;
/**
* @Description: 订单
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Builder
@Data
@TableName("p_order")
public class SeataOrder {
@TableId(type = IdType.AUTO)
private Integer id;
/**
* 用户ID
*/
private Long userId;
/**
* 商品ID
*/
private Long productId;
/**
* 订单状态
*/
private OrderStatus status;
/**
* 数量
*/
private Integer count;
/**
* 总金额
*/
private BigDecimal totalPrice;
}

22
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/enums/OrderStatus.java Normal file
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package org.jeecg.modules.test.seata.order.enums;
/**
* @Description: 订单状态
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
public enum OrderStatus {
/**
* INIT
*/
INIT,
/**
* SUCCESS
*/
SUCCESS,
/**
* FAIL
*/
FAIL
}

23
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/feign/AccountClient.java Normal file
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package org.jeecg.modules.test.seata.order.feign;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import java.math.BigDecimal;
/**
* @author zyf
*/
@FeignClient(value ="seata-account")
public interface AccountClient {
/**
* 扣减余额
* @param userId
* @param amount
* @return
*/
@PostMapping("/test/seata/account/reduceBalance")
String reduceBalance(@RequestParam("userId") Long userId, @RequestParam("amount") BigDecimal amount);
}

25
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/feign/ProductClient.java Normal file
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package org.jeecg.modules.test.seata.order.feign;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import java.math.BigDecimal;
/**
* 分布式事务产品feign客户端
* @author: zyf
* @date: 2022/04/21
*/
@FeignClient(value ="seata-product")
public interface ProductClient {
/**
* 扣减库存
*
* @param productId
* @param count
* @return
*/
@PostMapping("/test/seata/product/reduceStock")
BigDecimal reduceStock(@RequestParam("productId") Long productId, @RequestParam("count") Integer count);
}

17
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/mapper/SeataOrderMapper.java Normal file
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package org.jeecg.modules.test.seata.order.mapper;
/**
* @Description: TODO
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.jeecg.modules.test.seata.order.entity.SeataOrder;
@Mapper
public interface SeataOrderMapper extends BaseMapper<SeataOrder> {
}

19
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/service/SeataOrderService.java Normal file
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package org.jeecg.modules.test.seata.order.service;
import org.jeecg.modules.test.seata.order.dto.PlaceOrderRequest;
/**
* @Description: 订单接口
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
public interface SeataOrderService {
/**
* 下单
*
* @param placeOrderRequest 订单请求参数
*/
void placeOrder(PlaceOrderRequest placeOrderRequest);
}

69
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/java/org/jeecg/modules/test/seata/order/service/impl/SeataOrderServiceImpl.java Normal file
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package org.jeecg.modules.test.seata.order.service.impl;
import com.baomidou.dynamic.datasource.annotation.DS;
import io.seata.spring.annotation.GlobalTransactional;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.modules.test.seata.order.dto.PlaceOrderRequest;
import org.jeecg.modules.test.seata.order.entity.SeataOrder;
import org.jeecg.modules.test.seata.order.enums.OrderStatus;
import org.jeecg.modules.test.seata.order.feign.AccountClient;
import org.jeecg.modules.test.seata.order.feign.ProductClient;
import org.jeecg.modules.test.seata.order.mapper.SeataOrderMapper;
import org.jeecg.modules.test.seata.order.service.SeataOrderService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.annotation.Resource;
import java.math.BigDecimal;
/**
* @Description: 订单服务类
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Slf4j
@Service
public class SeataOrderServiceImpl implements SeataOrderService {
@Resource
private SeataOrderMapper orderMapper;
@Resource
private AccountClient accountClient;
@Resource
private ProductClient productClient;
@DS("order")
@Override
@Transactional(rollbackFor = Exception.class)
@GlobalTransactional
public void placeOrder(PlaceOrderRequest request) {
log.info("=============ORDER START=================");
Long userId = request.getUserId();
Long productId = request.getProductId();
Integer count = request.getCount();
log.info("收到下单请求,用户:{}, 商品:{},数量:{}", userId, productId, count);
SeataOrder order = SeataOrder.builder()
.userId(userId)
.productId(productId)
.status(OrderStatus.INIT)
.count(count)
.build();
orderMapper.insert(order);
log.info("订单一阶段生成，等待扣库存付款中");
// 扣减库存并计算总价
BigDecimal amount = productClient.reduceStock(productId, count);
// 扣减余额
accountClient.reduceBalance(userId, amount);
order.setStatus(OrderStatus.SUCCESS);
order.setTotalPrice(amount);
orderMapper.updateById(order);
log.info("订单已成功下单");
log.info("=============ORDER END=================");
}
}

26
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/resources/application.yml Normal file
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server:
port: 5001
spring:
application:
name: seata-order
datasource:
dynamic:
seata: true # 开启对 seata的支持
seata-mode: AT #支持XA及AT模式,默认AT
datasource:
# 设置 账号数据源配置
order:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/jeecg_order?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true&useSSL=false
username: root
password: root
schema: classpath:sql/schema-order.sql
seata:
enable-auto-data-source-proxy: false
service:
grouplist:
default: 127.0.0.1:8091
vgroup-mapping:
springboot-seata-group: default
# seata 事务组编号 用于TC集群名
tx-service-group: springboot-seata-group

37
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-order/src/main/resources/sql/schema-order.sql Normal file
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SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for p_order
-- ----------------------------
DROP TABLE IF EXISTS `p_order`;
CREATE TABLE `p_order` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`user_id` int(11) NULL DEFAULT NULL,
`product_id` int(11) NULL DEFAULT NULL,
`count` int(11) NULL DEFAULT NULL,
`total_price` decimal(10, 2) NULL DEFAULT NULL,
`status` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL,
`add_time` timestamp NULL DEFAULT current_timestamp(),
`last_update_time` timestamp NULL DEFAULT current_timestamp() ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Table structure for undo_log
-- ----------------------------
DROP TABLE IF EXISTS `undo_log`;
CREATE TABLE `undo_log` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`branch_id` bigint(20) NOT NULL,
`xid` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`context` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`rollback_info` longblob NOT NULL,
`log_status` int(11) NOT NULL,
`log_created` datetime(0) NOT NULL,
`log_modified` datetime(0) NOT NULL,
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `ux_undo_log`(`xid`, `branch_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;

14
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/pom.xml Normal file
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<?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>jeecg-cloud-test-seata</artifactId>
<groupId>org.jeecgframework.boot</groupId>
<version>3.4.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<description>分布式事务测试模块</description>
<artifactId>jeecg-cloud-test-seata-product</artifactId>
</project>

16
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/SeataProductApplication.java Normal file
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package org.jeecg;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* @author zyf
*/
@SpringBootApplication
public class SeataProductApplication {
public static void main(String[] args) {
SpringApplication.run(SeataProductApplication.class, args);
}
}

25
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/modules/test/seata/product/controller/SeataProductController.java Normal file
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package org.jeecg.modules.test.seata.product.controller;
import org.jeecg.modules.test.seata.product.service.SeataProductService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.math.BigDecimal;
/**
* @author zyf
*/
@RestController
@RequestMapping("/test/seata/product")
public class SeataProductController {
@Autowired
private SeataProductService seataProductService;
@PostMapping("/reduceStock")
public BigDecimal reduceStock(Long productId, Integer count) {
return seataProductService.reduceStock(productId, count);
}
}

34
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/modules/test/seata/product/entity/SeataProduct.java Normal file
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package org.jeecg.modules.test.seata.product.entity;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import lombok.Builder;
import lombok.Data;
import java.math.BigDecimal;
import java.util.Date;
/**
* @Description: 产品
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Data
@Builder
@TableName("product")
public class SeataProduct {
@TableId(type = IdType.AUTO)
private Integer id;
/**
* 价格
*/
private BigDecimal price;
/**
* 库存
*/
private Integer stock;
private Date lastUpdateTime;
}

16
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/modules/test/seata/product/mapper/SeataProductMapper.java Normal file
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package org.jeecg.modules.test.seata.product.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;
import org.jeecg.modules.test.seata.product.entity.SeataProduct;
/**
* @Description: TODO
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Mapper
public interface SeataProductMapper extends BaseMapper<SeataProduct> {
}

20
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/modules/test/seata/product/service/SeataProductService.java Normal file
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package org.jeecg.modules.test.seata.product.service;
import java.math.BigDecimal;
/**
* @Description: 产品接口
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
public interface SeataProductService {
/**
* 扣减库存
*
* @param productId 商品 ID
* @param count 扣减数量
* @return 商品总价
*/
BigDecimal reduceStock(Long productId, Integer count);
}

59
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/java/org/jeecg/modules/test/seata/product/service/impl/SeataProductServiceImpl.java Normal file
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package org.jeecg.modules.test.seata.product.service.impl;
import com.baomidou.dynamic.datasource.annotation.DS;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.modules.test.seata.product.entity.SeataProduct;
import org.jeecg.modules.test.seata.product.mapper.SeataProductMapper;
import org.jeecg.modules.test.seata.product.service.SeataProductService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.Assert;
import javax.annotation.Resource;
import java.math.BigDecimal;
/**
* @Description: 产品服务类
* @author: zyf
* @date: 2022/01/24
* @version: V1.0
*/
@Slf4j
@Service
public class SeataProductServiceImpl implements SeataProductService {
@Resource
private SeataProductMapper productMapper;
/**
* 事务传播特性设置为 REQUIRES_NEW 开启新的事务
*/
@DS("product")
@Transactional(propagation = Propagation.REQUIRES_NEW,rollbackFor = Exception.class)
@Override
public BigDecimal reduceStock(Long productId, Integer count) {
log.info("=============PRODUCT START=================");
// 检查库存
SeataProduct product = productMapper.selectById(productId);
Assert.notNull(product, "商品不存在");
Integer stock = product.getStock();
log.info("商品编号为 {} 的库存为{},订单商品数量为{}", productId, stock, count);
if (stock < count) {
log.warn("商品编号为{} 库存不足，当前库存:{}", productId, stock);
throw new RuntimeException("库存不足");
}
log.info("开始扣减商品编号为 {} 库存,单价商品价格为{}", productId, product.getPrice());
// 扣减库存
int currentStock = stock - count;
product.setStock(currentStock);
productMapper.updateById(product);
BigDecimal totalPrice = product.getPrice().multiply(new BigDecimal(count));
log.info("扣减商品编号为 {} 库存成功,扣减后库存为{}, {} 件商品总价为 {} ", productId, currentStock, count, totalPrice);
log.info("=============PRODUCT END=================");
return totalPrice;
}
}

26
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/resources/application.yml Normal file
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server:
port: 5003
spring:
application:
name: seata-product
datasource:
dynamic:
seata: true # 开启对 seata的支持
seata-mode: AT #支持XA及AT模式,默认AT
datasource:
# 设置 账号数据源配置
product:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/jeecg_product?serverTimezone=GMT%2B8&useUnicode=true&characterEncoding=utf8&rewriteBatchedStatements=true&useSSL=false
username: root
password: root
schema: classpath:sql/schema-product.sql
seata:
enable-auto-data-source-proxy: false
service:
grouplist:
default: 127.0.0.1:8091
vgroup-mapping:
springboot-seata-group: default
# seata 事务组编号 用于TC集群名
tx-service-group: springboot-seata-group

38
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/jeecg-cloud-test-seata-product/src/main/resources/sql/schema-product.sql Normal file
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SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for product
-- ----------------------------
DROP TABLE IF EXISTS `product`;
CREATE TABLE `product` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`price` decimal(10, 2) NULL DEFAULT NULL,
`stock` int(11) NULL DEFAULT NULL,
`last_update_time` timestamp NULL DEFAULT current_timestamp() ON UPDATE CURRENT_TIMESTAMP,
PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 2 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of product
-- ----------------------------
INSERT INTO `product` VALUES (1, 10.00, 20, '2022-01-13 09:52:50');
-- ----------------------------
-- Table structure for undo_log
-- ----------------------------
DROP TABLE IF EXISTS `undo_log`;
CREATE TABLE `undo_log` (
`id` bigint(20) NOT NULL AUTO_INCREMENT,
`branch_id` bigint(20) NOT NULL,
`xid` varchar(100) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`context` varchar(128) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL,
`rollback_info` longblob NOT NULL,
`log_status` int(11) NOT NULL,
`log_created` datetime(0) NOT NULL,
`log_modified` datetime(0) NOT NULL,
PRIMARY KEY (`id`) USING BTREE,
UNIQUE INDEX `ux_undo_log`(`xid`, `branch_id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;

30
jeecg-cloud-module/jeecg-cloud-test/jeecg-cloud-test-seata/pom.xml Normal file
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<?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>jeecg-cloud-test</artifactId>
<groupId>org.jeecgframework.boot</groupId>
<version>3.4.0</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>jeecg-cloud-test-seata</artifactId>
<packaging>pom</packaging>
<modules>
<module>jeecg-cloud-test-seata-account</module>
<module>jeecg-cloud-test-seata-product</module>
<module>jeecg-cloud-test-seata-order</module>
</modules>
<dependencies>
<dependency>
<groupId>org.jeecgframework.boot</groupId>
<artifactId>jeecg-boot-starter-cloud</artifactId>
<version>${jeecgboot.version}</version>
</dependency>
<dependency>
<groupId>org.jeecgframework.boot</groupId>
<artifactId>jeecg-boot-starter-seata</artifactId>
<version>${jeecgboot.version}</version>
</dependency>
</dependencies>
</project>