<?php

namespace app\controllers;

use YII;
use app\models\VerifyForm;
use yii\web\Controller;

class IndexController extends Controller
{
    public function actionIndex()
    {
        if (YII::$app->request->isPost) {
            $verify = new VerifyForm();
            $verify->load(YII::$app->request->post(), '');

            //自動驗證
            if ($verify->validate()) {
                echo '成功';
            } else {
                var_dump($verify->errors);
            }

        } else {
            return $this->renderPartial('index');
        }
    }

    //actions的作用主要是共用功能相同的方法
    //當用戶訪問index/captcha時，actions就會呼叫yii\captcha\CaptchaAction方法
    public function actions()
    {
        return [
            'captcha' => [
                'class' => 'yii\captcha\CaptchaAction',
                'fixedVerifyCode' => null,
                //背景顏色
                'backColor' => 0x000000,
                //最大顯示個數
                'maxLength' => 4,
                //最少顯示個數
                'minLength' => 4,
                //間距
                'padding' => 2,
                //高度
                'height' => 30,
                //寬度
                'width' => 85,
                //字型顏色
                'foreColor' => 0xffffff,
                //設定字元偏移量
                'offset' => 4,
            ],
        ];
    }
}