启用微信支付逻辑；调整支付金额处理方式以支持调试模式

web/services/transaction.go

@@ -31,6 +31,14 @@ func (s *transactionService) PrepareTransaction(ctx context.Context, q *q.Query,
 	var tType = data.Type
 	var method = data.Method
 	var amount = data.Amount
+
+	// 实际支付金额，只在创建真实订单时使用
+	var amountReal = data.Amount
+	if env.RunMode == "debug" {
+		amountReal = 0.01
+	}
+
+	// 附加优惠券
 	if data.CouponCode != "" {
 		coupon, err := q.Coupon.WithContext(ctx).
 			Where(
@@ -101,7 +109,7 @@ func (s *transactionService) PrepareTransaction(ctx context.Context, q *q.Query,
 				ProductCode: "FAST_INSTANT_TRADE_PAY",
 				OutTradeNo:  tradeNo,
 				Subject:     subject,
-				TotalAmount: strconv.FormatFloat(amount, 'f', 2, 64),
+				TotalAmount: strconv.FormatFloat(amountReal, 'f', 2, 64),
 				TimeExpire:  expire.Format("2006-01-02 15:04:05"),
 			},
 		})
@@ -120,7 +128,7 @@ func (s *transactionService) PrepareTransaction(ctx context.Context, q *q.Query,
 			TimeExpire:  &expire,
 			NotifyUrl:   &env.WechatPayCallbackUrl,
 			Amount: &native.Amount{
-				Total: u.P(int64(amount * 100)),
+				Total: u.P(int64(amountReal * 100)),
 			},
 		})
 		if err != nil {
@@ -152,7 +160,6 @@ func (s *transactionService) PrepareTransaction(ctx context.Context, q *q.Query,
 		Method:  int32(method),
 		Type:    int32(tradeType),
 		Amount:  amount,
-		Status:  0, // 0-待支付
 		PayURL:  payUrl,
 	}
 	err = q.Trade.Create(&trade)