我正在尝试使yii2验证我的ActiveForm字段,该字段应为数字且长度为8个字符.
以下是我在yii2 / advanced / backend的默认LoginForm模型中尝试过的,但不幸的是isNumeric验证器根本没有启动：
public function rules()
{
return [
// username and password are both required
[['username','password'],'required'],// username should be numeric
['username','isNumeric'],'string','length'=>8],// password is validated by validatePassword()
['password','validatePassword'],];
}
/**
* Validates if the username is numeric.
* This method serves as the inline validation for username.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function isNumeric($attribute,$params)
{
if (!is_numeric($this->username))
$this->addError($attribute,Yii::t('app','{attribute} must be numeric',['{attribute}'=>$attribute]));
}
/**
* Validates the password.
* This method serves as the inline validation for password.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function validatePassword($attribute,$params)
{
if (!$this->hasErrors()) {
$user = $this->getUser();
if (!$user || !$user->validatePassword($this->password)) {
$this->addError($attribute,'Incorrect username or password.');
}
}
}
我还尝试添加一个相关帖子(https://stackoverflow.com/a/27817221/2037924)中建议的场景,但只有在场景中没有包含密码字段时才会起作用(如显示错误).
注意：我将用户名定义为字符串的原因是因为数字可能包含前导0.
在此处阅读有关验证的更多信息：
http://www.yiiframework.com/doc-2.0/guide-tutorial-core-validators.html#number
这对我使用yii2-basic的联系表格很好
/**
* @return array the validation rules.
*/
public function rules()
{
return [
// name,email,subject and body are required
[['name','email','subject','body'],// email has to be a valid email address
['email','email'],['subject','is8NumbersOnly'],// verifyCode needs to be entered correctly
['verifyCode','captcha'],];
}
public function is8NumbersOnly($attribute)
{
if (!preg_match('/^[0-9]{8}$/',$this->$attribute)) {
$this->addError($attribute,'must contain exactly 8 digits.');
}
}
