refactor: Seata实验室案例调整为Seata官网购买商品示例

lizihanglove · Nov 29, 2022 · 43ee28a · 43ee28a
1 parent fdfcd93
commit 43ee28a
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Showing 23 changed files with 355 additions and 221 deletions.
diff --git a/laboratory/src/main/java/com/youlai/laboratory/seata/controller/SeataController.java b/laboratory/src/main/java/com/youlai/laboratory/seata/controller/SeataController.java
@@ -2,8 +2,8 @@
 
 import com.youlai.common.result.Result;
 import com.youlai.laboratory.seata.pojo.form.SeataForm;
-import com.youlai.laboratory.seata.pojo.vo.SeataDataVO;
-import com.youlai.laboratory.seata.service.ISeataService;
+import com.youlai.laboratory.seata.pojo.vo.SeataVO;
+import com.youlai.laboratory.seata.service.SeataService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.RequiredArgsConstructor;
@@ -22,26 +22,12 @@
 @Slf4j
 public class SeataController {
 
-    private final ISeataService seataService;
-
-    @ApiOperation("订单支付")
-    @PostMapping("/order/_pay")
-    public Result payOrder(@RequestBody SeataForm seataForm) {
-
-        boolean openTx = seataForm.isOpenTx();
-        boolean result;
-        if (openTx) {
-            result = seataService.payOrderWithGlobalTx(seataForm);
-        } else {
-            result = seataService.payOrder(seataForm);
-        }
-        return Result.success(result);
-    }
+    private final SeataService seataService;
 
     @ApiOperation("获取模拟数据")
     @GetMapping("/data")
     public Result getData() {
-        SeataDataVO result = seataService.getData();
+        SeataVO result = seataService.getData();
         return Result.success(result);
     }
 
@@ -52,4 +38,19 @@ public Result resetData() {
         return Result.success(result);
     }
 
+    @ApiOperation("购买商品")
+    @PostMapping("/purchaseGoods")
+    public Result purchaseGoods(@RequestBody SeataForm seataForm) {
+        boolean openTx = seataForm.isOpenTx();
+
+        String orderSn = null;
+        if (openTx) {
+            // 开启全局事务
+            orderSn = seataService.purchaseGoodsWithGlobalTx(seataForm);
+        } else {
+            orderSn = seataService.purchaseGoods(seataForm);
+        }
+
+        return Result.success(orderSn);
+    }
 }
diff --git a/laboratory/src/main/java/com/youlai/laboratory/seata/pojo/form/SeataForm.java b/laboratory/src/main/java/com/youlai/laboratory/seata/pojo/form/SeataForm.java
@@ -3,22 +3,38 @@
 import lombok.Data;
 
 /**
+ *
+ *
  * @author haoxr
  * @date 2022/4/21 23:16
  */
 @Data
 public class SeataForm {
 
+    /**
+     * 会员ID
+     */
+    private Long memberId;
+
+    /**
+     * 商品ID
+     */
+    private Long skuId;
+
+    /**
+     * 订单金额
+     */
+    private Long amount;
 
     /**
      * 是否开启事务
      */
     private boolean openTx;
 
     /**
-     * 订单异常
+     * 是否开启异常
      */
-    private boolean orderEx;
+    private boolean openEx;
 
 
 }
diff --git a/...laboratory/seata/pojo/vo/SeataDataVO.java → ...lai/laboratory/seata/pojo/vo/SeataVO.java b/...laboratory/seata/pojo/vo/SeataDataVO.java → ...lai/laboratory/seata/pojo/vo/SeataVO.java
@@ -12,7 +12,7 @@
  */
 @ApiModel("Seata模拟数据视图对象")
 @Data
-public class SeataDataVO {
+public class SeataVO {
 
     @ApiModelProperty("商品库存信息")
     private StockInfo stockInfo;

diff --git a/...boratory/seata/service/ISeataService.java → ...aboratory/seata/service/SeataService.java b/...boratory/seata/service/ISeataService.java → ...aboratory/seata/service/SeataService.java
@@ -1,40 +1,39 @@
 package com.youlai.laboratory.seata.service;
 
 import com.youlai.laboratory.seata.pojo.form.SeataForm;
-import com.youlai.laboratory.seata.pojo.vo.SeataDataVO;
+import com.youlai.laboratory.seata.pojo.vo.SeataVO;
 
 /**
  * @author haoxr
  * @date 2022/4/16 20:49
  */
-public interface ISeataService {
+public interface SeataService {
 
     /**
-     * 模拟订单支付
+     * 获取模拟数据
      *
      * @return
      */
-    boolean payOrder(SeataForm seataForm);
+    SeataVO getData();
 
     /**
-     * 模拟订单支付(分布式事务)
+     * 重置模拟数据
      *
-     * @param seataForm
      * @return
      */
-    boolean payOrderWithGlobalTx(SeataForm seataForm);
+    boolean resetData();
 
     /**
-     * 获取模拟数据
+     * 购买商品
      *
-     * @return
+     * @return 订单号
      */
-    SeataDataVO getData();
+    String purchaseGoods(SeataForm seataForm);
 
     /**
-     * 重置模拟数据
+     * 购买商品(全局事务)
      *
-     * @return
+     * @return 订单号
      */
-    boolean resetData();
+    String purchaseGoodsWithGlobalTx(SeataForm seataForm);
 }
diff --git a/laboratory/src/main/java/com/youlai/laboratory/seata/service/impl/SeataServiceImpl.java b/laboratory/src/main/java/com/youlai/laboratory/seata/service/impl/SeataServiceImpl.java
@@ -1,11 +1,13 @@
 package com.youlai.laboratory.seata.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
+import com.youlai.common.result.Result;
 import com.youlai.laboratory.seata.pojo.form.SeataForm;
-import com.youlai.laboratory.seata.pojo.vo.SeataDataVO;
-import com.youlai.laboratory.seata.service.ISeataService;
+import com.youlai.laboratory.seata.pojo.vo.SeataVO;
+import com.youlai.laboratory.seata.service.SeataService;
 import com.youlai.mall.oms.api.OrderFeignClient;
 import com.youlai.mall.oms.dto.OrderInfoDTO;
+import com.youlai.mall.oms.dto.SeataOrderDTO;
 import com.youlai.mall.pms.api.SkuFeignClient;
 import com.youlai.mall.pms.pojo.dto.SkuInfoDTO;
 import com.youlai.mall.ums.api.MemberFeignClient;
@@ -24,7 +26,7 @@
 @Service
 @Slf4j
 @RequiredArgsConstructor
-public class SeataServiceImpl implements ISeataService {
+public class SeataServiceImpl implements SeataService {
 
     private final SkuFeignClient skuFeignClient;
     private final OrderFeignClient orderFeignClient;
@@ -66,12 +68,14 @@ public boolean payOrderWithGlobalTx(SeataForm seataForm) {
         log.info("========扣减商品库存(Seata)========");
         skuFeignClient.deductStock(skuId, 1); // 扣减库存
 
-        log.info("========扣减账户余额(Seata)========");
-        memberFeignClient.deductBalance(memberId, 1000 * 100l); // 扣款1000
+        log.info("========修改订单状态(Seata)========");
+        orderFeignClient.createOrder(orderId, 201, seataForm.isOrderEx()); // 已支付
 
         log.info("========修改订单状态(Seata)========");
         orderFeignClient.updateOrderStatus(orderId, 201, seataForm.isOrderEx()); // 已支付
 
+        log.info("========扣减账户余额(Seata)========");
+        memberFeignClient.deductBalance(memberId, 1000 * 100l); // 扣款1000
         return true;
     }
 
@@ -81,26 +85,26 @@ public boolean payOrderWithGlobalTx(SeataForm seataForm) {
      * @return
      */
     @Override
-    public SeataDataVO getData() {
-        SeataDataVO seataDataVO = new SeataDataVO();
+    public SeataVO getData() {
+        SeataVO seataVO = new SeataVO();
 
         SkuInfoDTO skuInfoDTO = skuFeignClient.getSkuInfo(skuId).getData();
-        SeataDataVO.StockInfo stockInfo = new SeataDataVO.StockInfo();
+        SeataVO.StockInfo stockInfo = new SeataVO.StockInfo();
         BeanUtil.copyProperties(skuInfoDTO, stockInfo);
         stockInfo.setName(skuInfoDTO.getSkuName());
-        seataDataVO.setStockInfo(stockInfo);
+        seataVO.setStockInfo(stockInfo);
 
         MemberInfoDTO memberInfoDTO = memberFeignClient.getMemberInfo(memberId).getData();
-        SeataDataVO.AccountInfo accountInfo = new SeataDataVO.AccountInfo();
+        SeataVO.AccountInfo accountInfo = new SeataVO.AccountInfo();
         BeanUtil.copyProperties(memberInfoDTO, accountInfo);
-        seataDataVO.setAccountInfo(accountInfo);
+        seataVO.setAccountInfo(accountInfo);
 
         OrderInfoDTO orderInfoDTO = orderFeignClient.getOrderInfo(orderId).getData();
-        SeataDataVO.OrderInfo orderInfo = new SeataDataVO.OrderInfo();
+        SeataVO.OrderInfo orderInfo = new SeataVO.OrderInfo();
         BeanUtil.copyProperties(orderInfoDTO, orderInfo);
-        seataDataVO.setOrderInfo(orderInfo);
+        seataVO.setOrderInfo(orderInfo);
 
-        return seataDataVO;
+        return seataVO;
     }
 
     /**
@@ -116,4 +120,52 @@ public boolean resetData() {
         return true;
 
     }
+
+    /**
+     * 购买商品
+     *
+     * @return 订单号
+     */
+    @Override
+    public String purchaseGoods(SeataForm seataForm) {
+        log.info("========扣减商品库存(全局事务)========");
+        skuFeignClient.deductStock(seataForm.getSkuId(), 1); // 扣减库存
+
+        log.info("========创建订单(全局事务)========");
+        SeataOrderDTO seataOrderDTO = new SeataOrderDTO(
+                seataForm.getMemberId(),
+                seataForm.getSkuId(),
+                seataForm.getAmount()
+        );
+        boolean openEx = seataForm.isOpenEx(); // 是否开启异常
+        Result<String> result = orderFeignClient.createOrder(seataOrderDTO, openEx);
+        String orderSn = result.getData();
+
+        return orderSn;
+    }
+
+    /**
+     * 购买商品(全局事务)
+     *
+     * @return 订单号
+     */
+    @GlobalTransactional
+    @Override
+    public String purchaseGoodsWithGlobalTx(SeataForm seataForm) {
+
+        log.info("========扣减商品库存(全局事务)========");
+        skuFeignClient.deductStock(seataForm.getSkuId(), 1); // 扣减库存
+
+        log.info("========创建订单(全局事务)========");
+        SeataOrderDTO seataOrderDTO = new SeataOrderDTO(
+                seataForm.getMemberId(),
+                seataForm.getSkuId(),
+                seataForm.getAmount()
+        );
+        boolean openEx = seataForm.isOpenEx(); // 是否开启异常
+        Result<String> result = orderFeignClient.createOrder(seataOrderDTO, openEx);
+        String orderSn = result.getData();
+
+        return orderSn;
+    }
 }
diff --git a/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/api/OrderFeignClient.java b/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/api/OrderFeignClient.java
@@ -2,11 +2,9 @@
 
 import com.youlai.common.result.Result;
 import com.youlai.mall.oms.dto.OrderInfoDTO;
+import com.youlai.mall.oms.dto.SeataOrderDTO;
 import org.springframework.cloud.openfeign.FeignClient;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.PutMapping;
-import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.*;
 
 /**
  * 订单Feign客户端
@@ -38,4 +36,13 @@ public interface OrderFeignClient {
     @GetMapping("/api/v1/orders/{orderId}/info")
     Result<OrderInfoDTO> getOrderInfo(@PathVariable Long orderId);
 
+    /**
+     * 「实验室」创建订单
+     *
+     * @param orderDTO
+     * @param openEx 是否出现异常
+     * @return
+     */
+    @PostMapping("/api/v1/orders")
+    Result<String> createOrder(SeataOrderDTO orderDTO, boolean openEx);
 }
diff --git a/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/dto/OrderInfoDTO.java b/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/dto/OrderInfoDTO.java
@@ -3,10 +3,10 @@
 import lombok.Data;
 
 /**
- * 订单信息传输层对象
+ * 订单传输层对象
  *
- * @author <a href="mailto:[email protected]">haoxr</a>
- * @date 2022/4/17 21:12
+ * @author haoxr
+ * @date 2022/4/17
  */
 @Data
 public class OrderInfoDTO {

diff --git a/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/dto/SeataOrderDTO.java b/mall-oms/oms-api/src/main/java/com/youlai/mall/oms/dto/SeataOrderDTO.java
@@ -0,0 +1,28 @@
+package com.youlai.mall.oms.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class SeataOrderDTO {
+
+    /**
+     * 会员ID
+     */
+    private Long memberId;
+
+    /**
+     * 商品ID
+     */
+    private Long skuId;
+
+    /**
+     * 订单金额
+     */
+    private Long amount;
+
+
+}
diff --git a/.../youlai/mall/oms/enums/OrderTypeEnum.java → ...i/mall/oms/enums/OrderSourceTypeEnum.java b/.../youlai/mall/oms/enums/OrderTypeEnum.java → ...i/mall/oms/enums/OrderSourceTypeEnum.java
@@ -11,17 +11,17 @@
  */
 
 @AllArgsConstructor
-public enum OrderTypeEnum  {
+public enum OrderSourceTypeEnum {
 
-    WEB(0), // PC订单
+    PC(0), // PC订单
     APP(1), // APP订单
     ;
 
     @Getter
     private Integer code;
 
-    public static OrderTypeEnum getValue(Integer code){
-        for (OrderTypeEnum value : values()) {
+    public static OrderSourceTypeEnum getValue(Integer code){
+        for (OrderSourceTypeEnum value : values()) {
             if (value.getCode().equals(code)) {
                 return value;
             }