rmb字段保留4位小数

common/business/ExchangeBusiness.php

@@ -80,7 +80,7 @@ class ExchangeBusiness
         foreach ($quotation as $key => $item) {
             $quotation[$key] = (float) sprintf("%0.4f", (double) $item);
         }
-        $quotation['rmb'] = (float) sprintf("%0.2f", 6.6 * $quotation['last']);
+        $quotation['rmb'] = (float) sprintf("%0.4f", 6.6 * $quotation['last']);
         return $quotation;
     }
 
@@ -138,7 +138,7 @@ class ExchangeBusiness
                     try {
                         $coinServer         = CoinFactory::createCoin($row['name'], $row['id'], $row['sid']);
                         $rows[$key]['sid']  = ucfirst($rows[$key]['sid']);
-                        $rows[$key]['rmb']  = $coinServer->getPrice();
+                        $rows[$key]['rmb']  = number_format($coinServer->getPrice(),4);
                         $rows[$key]['last'] = $coinServer->getDollar();
                         $rows[$key]['low']  = $coinServer->getLow();
                         $rows[$key]['high'] = $coinServer->getHigh();