add:新增隐藏字段功能

extend/catcher/traits/db/RewriteTrait.php

@@ -0,0 +1,56 @@
+<?php
+namespace catcher\traits\db;
+
+/**
+ * 重写 think\Model 的方法
+ *
+ * Trait RewriteTrait
+ * @package catcher\traits\db
+ */
+trait RewriteTrait
+{
+    /**
+     * 初始化
+     *
+     * CatchModel constructor.
+     * @param array $data
+     */
+    public function __construct(array $data = [])
+    {
+        parent::__construct($data);
+
+        $this->hidden = array_merge($this->hidden, $this->defaultHiddenFields());
+    }
+
+    /**
+     * hidden model fields
+     *
+     * @return array
+     */
+    protected function defaultHiddenFields(): array
+    {
+        return [$this->deleteTime];
+    }
+
+    /**
+     * 重写 hidden 方法，支持合并 hidden 属性
+     *
+     * @param array $hidden
+     * @return $this
+     */
+    public function hidden(array $hidden = [])
+    {
+        /**
+         * 合并属性
+         */
+        if (!count($this->hidden)) {
+            $this->hidden = array_merge($this->hidden, $hidden);
+
+            return $this;
+        }
+
+        $this->hidden = $hidden;
+
+        return $this;
+    }
+}