直接 model 删除

$model = User::find($id); $model->delete(); 

带有条件的删除

$connection ->createCommand() ->delete('tbl_user', 'status = 0') ->execute(); 

使用 Query 查询删除

$connection ->createCommand('DELETE FROM tbl_user WHERE userid=:userid') ->execute(); 

使用预处理语句删除

方法一

$model = $connection->createCommand('DELETE FROM tbl_user WHERE userid=:userid'); $model->bindParam(':userid', $userid); $userid = 5; $model->execute(); 

方法二

在 Yii2 使用预处理语句删除多个用户。

$model = $connection->createCommand('DELETE FROM tbl_user WHERE userid=:userid'); $model->bindParam(':userid', $userid); // delete user 1 $userid = 1; $model->execute(); // delete user 2 $userid = 2; $model->execute(); 

查找并且删除

$user = User::findOne(2); $user->delete(); // 输出语句 // DELETE FROM `tbl_user` WHERE `id`='2' 

deleteAll() 删除多个

如果你不指定任何条件下,该方法将删除表中的所有行。例如删除用户表中状态条件是 active 和年龄大于20的用户。

方法一

User::deleteAll('status = :status AND age > :age', [':age' => 20, ':status' => 'active']); //Output Query //DELETE FROM `tbl_user` WHERE status = 'active' AND age > 20 

方法二

User::deleteAll([ 'and', 'type = :type_id', ['not in', 'usercategoryid', $categoriesList] ], [ ':type_id' => 2 ]); //Output Query //DELETE FROM `tbl_user` WHERE (type = 2) AND (`usercategoryid` NOT IN (1, 2, 3))