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                >[info]更新update數據 `save` 方法可以用于更新數據庫中已經存在的模型(model)。 >為了更新一個模型(model), 1、首先你必須從數據庫中將其取出, 2、然后為需要更新的屬性賦值, 3、最后調用 save 方法。 此外,updated_at 時間戳會被自動更新,所以不需要手動設置 updated_at 的值:注意模型類中要取消 public $timestamps = false; ` >[warning]使用save方法更新對象內容 ~~~ public function save() { $article = Article::find(2); $article->title = '新中國的成立'; $result = $article->save(); if($result) echo "更新成功"; else echo "更新失敗"; exit(); } ~~~ >[warning]使用update批量更新數據(通過where也可以更新單個數據) ~~~ public function update() { $result = Article::where('title', '測試') ->update(['title'=>'demo']); if($result) echo "更新成功"; else echo "更新失敗"; exit(); } ~~~
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