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                數據集 1 所謂數據集,是當查詢后的結果集,它是 think\\Collection 類型和數組一樣; 2 雖然操作和數組類似,但它額外提供了一些方法,方法如下:【十天精品課堂系列】 ![](https://img.kancloud.cn/3e/a9/3ea928c34a9f0b4e10856c76bfbc319b_1023x742.jpg)![](https://img.kancloud.cn/d6/72/d672992367c4f123458a70bff5e78df0_1011x570.png) 3 注意:這里的方法關鍵字某些和數據庫查詢類似,但它是數據集操作的方法; 4由于方法較多,我們嘗試幾個理解一下即可,有需要可以回頭查閱; ``` //獲取數據集 $user \= Db::name('user')\->select(); //轉換成數組 var\_dump($user\->toArray()); //將數據集隨機打亂 dump($user\->shuffle()); //刪掉數據中最后一個元素 $user\->pop(); dump($user); //使用 whereIn 查詢結果集 dump($user\->whereIn('id', \[19,20,21\])); ```
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