trade：初始化

yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/order/PayOrderApi.java

@@ -5,13 +5,18 @@ import cn.iocoder.yudao.module.pay.api.order.dto.PayOrderRespDTO;
 import cn.iocoder.yudao.module.pay.enums.ApiConstants;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.Parameters;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.cloud.openfeign.FeignClient;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestParam;
 
 import javax.validation.Valid;
 
+// TODO 芋艿：CommonResult；
+
 @FeignClient(name = ApiConstants.NAME) // TODO 芋艿：fallbackFactory =
 @Tag(name = "RPC 服务 - 支付单")
 public interface PayOrderApi {
@@ -27,4 +32,13 @@ public interface PayOrderApi {
     @Parameter(name = "id", description = "支付单编号", example = "1", required = true)
     PayOrderRespDTO getOrder(Long id);
 
+    @PutMapping(PREFIX + "/update-price")
+    @Operation(summary = "更新支付订单价格")
+    @Parameters({
+            @Parameter(name = "id", description = "支付单编号", example = "1", required = true),
+            @Parameter(name = "payPrice", description = "支付单价格", example = "100", required = true)
+    })
+    void updatePayOrderPrice(@RequestParam("id") Long id,
+                             @RequestParam("payPrice") Integer payPrice);
+
 }

yudao-module-pay/yudao-module-pay-api/src/main/java/cn/iocoder/yudao/module/pay/api/order/dto/PayOrderCreateReqDTO.java

@@ -14,6 +14,8 @@ import java.time.LocalDateTime;
 @Data
 public class PayOrderCreateReqDTO implements Serializable {
 
+    public static final int SUBJECT_MAX_LENGTH = 32;
+
     @Schema(description = "应用编号", requiredMode = Schema.RequiredMode.REQUIRED, example = "1024")
     @NotNull(message = "应用编号不能为空")
     private Long appId;

yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/api/order/PayOrderApiImpl.java

@@ -30,4 +30,9 @@ public class PayOrderApiImpl implements PayOrderApi {
         return PayOrderConvert.INSTANCE.convert2(order);
     }
 
+    @Override
+    public void updatePayOrderPrice(Long id, Integer payPrice) {
+        payOrderService.updatePayOrderPrice(id, payPrice);
+    }
+
 }

yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderService.java

@@ -98,6 +98,14 @@ public interface PayOrderService {
      */
     void updateOrderRefundPrice(Long id, Integer incrRefundPrice);
 
+    /**
+     * 更新支付订单价格
+     *
+     * @param id 支付单编号
+     * @param payPrice   支付单价格
+     */
+    void updatePayOrderPrice(Long id, Integer payPrice);
+
     /**
      * 更新支付订单价格
      *

yudao-module-pay/yudao-module-pay-biz/src/main/java/cn/iocoder/yudao/module/pay/service/order/PayOrderServiceImpl.java

@@ -407,6 +407,24 @@ public class PayOrderServiceImpl implements PayOrderService {
         }
     }
 
+    @Override
+    public void updatePayOrderPrice(Long id, Integer payPrice) {
+        PayOrderDO order = orderMapper.selectById(id);
+        if (order == null) {
+            throw exception(ORDER_NOT_FOUND);
+        }
+        if (ObjectUtil.notEqual(PayOrderStatusEnum.WAITING.getStatus(), order.getStatus())) {
+            throw exception(ORDER_STATUS_IS_NOT_WAITING);
+        }
+        if (ObjectUtil.equal(order.getPrice(), payPrice)) {
+            return;
+        }
+
+        // TODO 芋艿：应该 new 出来更新
+        order.setPrice(payPrice);
+        orderMapper.updateById(order);
+    }
+
     @Override
     public void updatePayOrderPriceById(Long payOrderId, Integer payPrice) {
         // TODO @puhui999：不能直接这样修改哈；应该只有未支付状态的订单才可以改；另外，如果价格如果没变，可以直接 return 哈；