合并market

api/controllers/MarketController.php

@@ -59,6 +59,18 @@ class MarketController extends BaseController
         }
 
         $exchange = ExchangeFactory::createExchange($exchange);
+
+        if ('USDT' == strtoupper($base_currency)) {
+            $currency_ticker = $exchange->getTicker($currency, 'USDT');
+            if (empty($currency_ticker)){
+                $this->code = -1;
+                $this->msg = '此交易所暂不支持所选币种!';
+                goto doEnd;
+            }
+            $this->data =  rtrim(sprintf('%.6f',$currency_ticker['last']), '0');
+            goto doEnd;
+        }
+
         $currency_ticker = $exchange->getTicker($currency, 'USDT');
         $base_currency_ticker = $exchange->getTicker($base_currency, 'USDT');
         if (empty($currency_ticker) || empty($base_currency_ticker)) {