Yii 2.0 Framework Model Adding and Modifying and Deleting Data Operation Example

This article illustrates the Yii 2.0 framework model adding/modifying/deleting data operations. Share it for your reference, as follows:

Add data

$user = new User();
$user->name = 'zhang';
$user->age = 28;
$data = $user->save();// Add data 
$data = $user->insert();// Add data 
$id = $user->attributes['id'];// Gets the self-increment after the current added data id

Modify data

$user = $User::findOne(1);
$user->name = 'zhang';
$data = $user->update();// Modify 
$data = $user->save();// Modify 
// Modify a single field 
$data = Uesr::updateAllCounters(['name' => 'li'],['id' => 1]);// Parameter 1 Is the field to modify, the parameter 2 To modify the condition 

Delete data

// Delete data 
$user = User::find()->where(['id' => 2])->one();// Get id For 2 Data of 
$data = $user->delete();// Delete data 
$uer = User::find()->where(['id' => 2])->all();// Get id For 2 Data of 
$data = $user[0]->delete();// Delete data 
// Delete all data 
$user = User::deleteAll();
$user = User::deleteAll('id=2');// Delete id For 2 Data of 
// Multiple conditional deletions 
$data = User::deleteAll('id>:id AND num<:num',[':id' => 2,':num' => 100]);

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