小数点后变4位

common/service/coin/CoinService.php

@@ -66,7 +66,7 @@ class CoinService extends Coin implements CoinInterface
      */
     public function setPrice($price)
     {
-        $this->price = (float)sprintf("%0.2f", $price);
+        $this->price = (float)sprintf("%0.4f", $price);
     }
 
     /**
@@ -155,7 +155,7 @@ class CoinService extends Coin implements CoinInterface
      */
     public function setHigh($high)
     {
-        $this->high = (float)sprintf("%0.2f", $high / 6.6);
+        $this->high = (float)sprintf("%0.4f", $high / 6.6);
     }
 
     /**
@@ -184,7 +184,7 @@ class CoinService extends Coin implements CoinInterface
      */
     public function setLow($low)
     {
-        $this->low = (float)sprintf("%0.2f", $low / 6.6);
+        $this->low = (float)sprintf("%0.4f", $low / 6.6);
     }
 
     /**
@@ -517,7 +517,7 @@ class CoinService extends Coin implements CoinInterface
                 //价格与涨幅
                 $pattern = '/<div class=coinprice>(.*?)<span class=(tags-red|tags-green)>(.*?)<\/span><\/div>/is';
                 preg_match_all($pattern, $content, $matchs, PREG_SET_ORDER);
-                $result['price'] = (float)sprintf("%0.2f", (float)str_replace(['￥', ','], '', $matchs[0][1]));
+                $result['price'] = (float)sprintf("%0.4f", (float)str_replace(['￥', ','], '', $matchs[0][1]));
 
                 //美元 btc
                 preg_match_all('/<div class=sub><span>(.*?)<\/span>(.*?)<span>(.*?)<\/span><\/div>/is', $content,