处理打印单中的emoji

app/Service/v3/Implementations/FeiePrintService.php

@@ -8,6 +8,7 @@ use App\Libs\FeiePrintClient;
 use App\Model\v3\Feprint;
 use App\Model\v3\OrderMain;
 use App\Service\v3\Interfaces\FeiePrintServiceInterface;
+use App\Service\v3\Interfaces\HelperServiceInterface;
 use Hyperf\DbConnection\Db;
 use Hyperf\Di\Annotation\Inject;
 
@@ -20,6 +21,12 @@ class FeiePrintService implements FeiePrintServiceInterface
      */
     protected $log;
 
+    /**
+     * @Inject
+     * @var HelperServiceInterface
+     */
+    protected $helperService;
+
     // *必填*：飞鹅云后台注册账号
     const  USER = '13161443713@163.com';
     // *必填*: 飞鹅云后台注册账号后生成的UKEY 【备注：这不是填打印机的KEY】
@@ -130,6 +137,8 @@ class FeiePrintService implements FeiePrintServiceInterface
         //$shopnum 当前为第几个店铺
         $shopnum = 0;
         //循环处理子订单
+        $arr->name = $this->helperService->filterEmoji($arr->name);
+        $arr->address = $this->helperService->filterEmoji($arr->address);
         foreach ($arr->orders as $k5 => $order) {
              $orderInfo .= '                                <BR>';
              $shopnum++;

app/Service/v3/Implementations/HelperService.php

@@ -36,4 +36,16 @@ class HelperService implements HelperServiceInterface
             && $var != 'false'
         );
     }
+
+    public function filterEmoji($str)
+    {
+        $str = preg_replace_callback(
+            '/./u',
+            function (array $match) {
+                return strlen($match[0]) >= 4 ? '' : $match[0];
+            },
+            $str);
+
+        return $str;
+    }
 }

app/Service/v3/Interfaces/HelperServiceInterface.php

@@ -5,4 +5,6 @@ namespace App\Service\v3\Interfaces;
 interface HelperServiceInterface
 {
     public function makeNumCode($length);
+    public function nonempty($var);
+    public function filterEmoji($str);
 }