改进属性过滤输出

library/think/Collection.php

@@ -40,10 +40,10 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
         return empty($this->items);
     }
 
-    public function toArray($allow = [])
+    public function toArray()
     {
-        return array_map(function ($value) use ($allow) {
+        return array_map(function ($value) {
-            return ($value instanceof Model || $value instanceof self) ? $value->toArray($allow) : $value;
+            return ($value instanceof Model || $value instanceof self) ? $value->toArray() : $value;
         }, $this->items);
     }
 
@@ -344,13 +344,12 @@ class Collection implements ArrayAccess, Countable, IteratorAggregate, JsonSeria
     /**
      * 转换当前数据集为JSON字符串
      * @access public
-     * @param array   $allow   允许输出的属性列表
      * @param integer $options json参数
      * @return string
      */
-    public function toJson($allow = [], $options = JSON_UNESCAPED_UNICODE)
+    public function toJson($options = JSON_UNESCAPED_UNICODE)
     {
-        return json_encode($this->toArray($allow), $options);
+        return json_encode($this->toArray(), $options);
     }
 
     public function __toString()

library/think/Model.php

@@ -62,6 +62,8 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
 
     // 字段属性
     protected $field = [];
+    // 显示属性
+    protected $visible = [];
     // 隐藏属性
     protected $hidden = [];
     // 追加属性
@@ -469,35 +471,46 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
         return $this;
     }
 
+    /**
+     * 设置需要输出的属性
+     * @param array $visible
+     * @return $this
+     */
+    public function visible($visible = [])
+    {
+        $this->visible = $visible;
+        return $this;
+    }
+
     /**
      * 转换当前模型对象为数组
      * @access public
-     * @param array $allow 允许输出的属性列表
      * @return array
      */
-    public function toArray($allow = [])
+    public function toArray()
     {
         $item = [];
-        if (empty($allow)) {
-            $allow = array_keys($this->data);
-        }
-        $allow = array_diff($allow, $this->hidden);
-        foreach ($this->data as $key => $val) {
-            // 属性过滤输出
-            if (!in_array($key, $allow)) {
-                continue;
-            }
 
+        //过滤属性
+        if (!empty($this->visible)) {
+            $data = array_intersect_key($this->data, array_flip($this->visible));
+        } elseif (!empty($this->hidden)) {
+            $data = array_diff_key($this->data, array_flip($this->hidden));
+        } else {
+            $data = $this->data;
+        }
+
+        foreach ($data as $key => $val) {
             if ($val instanceof Model || $val instanceof Collection) {
                 // 关联模型对象
                 $item[$key] = $val->toArray();
             } elseif (is_array($val) && reset($val) instanceof Model) {
                 // 关联模型数据集
-                $data = [];
+                $arr = [];
                 foreach ($val as $k => $value) {
-                    $data[$k] = $value->toArray();
+                    $arr[$k] = $value->toArray();
                 }
-                $item[$key] = $data;
+                $item[$key] = $arr;
             } else {
                 // 模型属性
                 $item[$key] = $this->getAttr($key);
@@ -515,13 +528,12 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
     /**
      * 转换当前模型对象为JSON字符串
      * @access public
-     * @param array     $allow 允许输出的属性列表
      * @param integer   $options json参数
      * @return string
      */
-    public function toJson($allow = [], $options = JSON_UNESCAPED_UNICODE)
+    public function toJson($options = JSON_UNESCAPED_UNICODE)
     {
-        return json_encode($this->toArray($allow), $options);
+        return json_encode($this->toArray(), $options);
     }
 
     /**

library/think/paginator/Collection.php

@@ -51,7 +51,7 @@ class Collection extends \think\Collection
         return $this->paginator;
     }
 
-    public function toArray($allow = [])
+    public function toArray()
     {
         if ($this->paginator) {
             try {
@@ -64,10 +64,10 @@ class Collection extends \think\Collection
                 'total'        => $total,
                 'per_page'     => $this->listRows(),
                 'current_page' => $this->currentPage(),
-                'data'         => parent::toArray($allow)
+                'data'         => parent::toArray()
             ];
         } else {
-            return parent::toArray($allow);
+            return parent::toArray();
         }
     }