activeform 配置

<?php $form = ActiveForm::begin([
        'action' => ['/admin/admin/adminadd'],
        'id' => 'login-form',
        'options' => ['class' => 'form-horizontal'],
        'fieldConfig' => [
                'template' => "{label}\n<div class=\"col-lg-5\">{input}</div>\n<div class=\"col-lg-5\">{error}</div>",
                'labelOptions' => ['class' => 'col-lg-2 control-label'],
        ],
    ]); ?>

        <?= $form->field($Admin, 'username');?>
        <?= $form->field($Admin, 'password')->passwordInput();?>
        <?= Html::submitButton('添加',['class' => 'btn btn-success']); ?>

    <?php ActiveForm::end(); ?>