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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                用法一:直接定義數組,匹配返回值 ``` //獲取類型轉義 public function getCategoryAttr($name) { $category = ['0'=>'javaScript','1'=>'Vue','2'=>'小程序','3'=>'php','4'=>'H5','5'=>'Node']; return $category[$name]; } //注意:當個查詢的時候,查詢出來的是轉義后的值,如果需要使用轉義前的值(如下拉框),需要使用getData() $res = $res->getData();//獲取全部原始數據 $res = $res->getData('category');//只獲取這一個字段原始數據 ``` 用法二:查詢數據庫,匹配轉義 1.在模型中追加一個字段,用來在頁面中顯示 2.定義方法:get + 字段名 + Attr ``` protected $append = ["category_name"]; //查詢category表,當id=傳過來的category,返回當前表中的sortname的值 public function getCategoryNameAttr($v,$d) { return Db::name("category")->where("id",$d["category"])->value("sortname"); } ``` 3.使用時,使用的字段就需要使用追加的這個字段`category_name`(之前存的是category) ![](https://img.kancloud.cn/69/18/6918eab8f7813e5a4fc22c00fcf0555d_745x30.png)
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                              哎呀哎呀视频在线观看