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                ## 獲取器 獲取器的作用是在獲取數據的字段值后自動進行處理,例如,我們需要對性別進行轉換,可以用: ~~~ //TABLE表格顯示時,可以改變里面的字段值 protected function after_find_pager(&$data){ foreach($data as $k => $v){ if(($v->sex)==1){ $v->sex="男"; } else{ $v->sex="女"; } $v->created = date('Y-m-d H:i',$v->created); unset($v->uid); } } ~~~ 例如在該model類中查詢指定訂單: ~~~ //查詢訂單號 protected function get_order_id($v){ return $v->order_id; } ~~~ >[info]在這里有些方法內會出現&符號,那么在什么情況下我們會在傳參數的時候在變量名前面加上&符號呢,下面請看下我們的基類文件,所屬位置為app\lib\_model.php: ~~~ //自動寫入字段[] public function befor_form_render(&$data) {} protected function before_save(&$data) {} protected function after_save(&$data) {} protected function before_create(&$data) {} protected function before_update(&$data) {} public $after_find_support = true; protected function after_find_all(&$data) { if($this->after_find_support === false) return; foreach ($data as $k => $v) { $this->new_data($v); } } ~~~ >[info]如上面我們所定義的方法,在該類內存在的方法名,當我們在模型內重新定義的時候就會在變量前加上&符號,而這里的參數代表的是當前數據的數據集。
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