[英]Validate multiple DropDownList yii2
I'm trying validate a multiple dropdownlist, like this:我正在尝试验证多个下拉列表,如下所示:
view/form:查看/表格:
<?=
$form->field($hours, 'hours_id', ['template' => '{label}{input}<span class="help-block">{hint}{error}</span>'])->dropDownList(Hours::getHierarchy(), ['size' => 10, 'multiple' => 'multiple'], ['prompt' => Yii::t('app', '-- Select --'),
])
?>
model rules:模型规则:
['hours_id', 'each', 'rule' => ['integer']],
Result:结果:
Hour is invalid.
小时无效。
Someone knows what's wrong?有人知道怎么了? I tried to custom validation, and i get the same error.
我尝试自定义验证,我得到了同样的错误。
像这样更改您的模型规则
[['hours_id'], 'each','integer'],
By default multi select drop down for a field name
will send options in following format:默认情况下,字段
name
的多选下拉菜单将以以下格式发送选项:
name=value1&name=value2
To be able to receive data as array (as it suspected for each
validation) You should use name[]
instead of name
.为了能够以数组的形式接收数据(因为它怀疑
each
验证)您应该使用name[]
而不是name
。
For your case对于您的情况
<?=
$form->field($hours, 'hours_id[]', ['template' => '{label}{input}<span class="help-block">{hint}{error}</span>'])->dropDownList(Hours::getHierarchy(), ['size' => 10, 'multiple' => 'multiple'], ['prompt' => Yii::t('app', '-- Select --')])
?>
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