代币优化

backend/application/common/service/VirtualPayService.php

@@ -481,8 +481,9 @@ class VirtualPayService
     }
 
     /**
+     * 代币数量，保留两位小数。1元=1代币时，0.01元对应 0.01 个代币
      * @param float|string $amountYuan
-     * @return int
+     * @return float
      * @throws \Exception
      */
     private static function coinQuantity($amountYuan)
@@ -495,11 +496,9 @@ class VirtualPayService
         if ($coinPerYuan < 1) {
             $coinPerYuan = 1;
         }
-        if (($fen * $coinPerYuan) % 100 !== 0) {
-            throw new \Exception('订单金额须为整数元才能按1元=1代币支付');
-        }
+        $quantity = bcdiv(bcmul((string)$fen, (string)$coinPerYuan, 0), '100', 2);
 
-        return intdiv($fen * $coinPerYuan, 100);
+        return (float)$quantity;
     }
 
     /**