订单统计

application/api/controller/Users.php

@@ -841,9 +841,27 @@ class Users extends Api
         $info = UsersModel::order('id desc')->field('id')->find();
         $lastid = $info['id'];
         for ($x = 1; $x <= $lastid; $x++){
-            $random_number = createRandomcode();
+            $random_number = $this->recursion();
+            /* $random_number = createRandomcode();
+             $info = UsersModel::where(['random_number' =>$random_number])->find();
+             if($info){
+                 $random_number = createRandomcode();
+             }*/
             UsersModel::where(['id' =>$x])->update(['random_number' =>$random_number]);
         }
         $this->success('生成成功');
     }
+
+    /**
+     * @return string
+     * 递归查询
+     */
+    private function recursion(){
+        $random_number = createRandomcode();
+        $info = UsersModel::where(['random_number' =>$random_number])->find();
+        if($info){
+            $this->recursion();
+        }
+        return $random_number;
+    }
 }

application/common.php

@@ -722,11 +722,12 @@ EOT;
          */
         function createRandomcode()
         {
-            // 生成字母和数字组成的7位字符串
-            $str = range('A', 'Z');
-            // 去除大写的O，以防止与0混淆 
-            unset($str[array_search('O', $str)]);
-            $arr = array_merge(range(0, 9), $str);
+            /* // 生成字母和数字组成的7位字符串
+             $str = range('A', 'Z');
+             // 去除大写的O，以防止与0混淆 
+             unset($str[array_search('O', $str)]);
+             $arr = array_merge(range(0, 9), $str);*/
+            $arr = range(0, 9);
             shuffle($arr);
             $invitecode = '';
             $arr_len = count($arr);