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                ### 刪除數據 對數據進行刪除操作 **函數:** delete($id = null); **參數說明:** $id 為整數,刪除指定的主鍵,否則根據where條件進行刪除 **返回值:** 成功:刪除數量 失敗:false **案例** ~~~ 刪除數據 1.根據主鍵刪除 $model=new Model('user'); $model->delete(1); 2.根據where條件刪除 $model=new Model('user'); $model->where(['name'=>'張三'])->delete(); 3.刪除所有 $model=new Model('user'); $model->where('1')->delete(); ~~~
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