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							<?php
namespace common\pay;

use yii\base\Component;

class BasePayHandler extends Component
{
    public $notifyUrl;
    public $returnUrl;

    /**
     * 构造自动提交表单
     *
     * @param array $params
     * @param string $action
     * @return string
     */
    public static function createHtml($params, $action)
    {
        $encodeType = isset ($params ['encoding']) ? $params ['encoding'] : 'UTF-8';
        $html = <<<eot
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset={$encodeType}" />
</head>
<body onload="javascript:document.pay_form.submit();">
    <form id="pay_form" name="pay_form" action="{$action}" method="post">

eot;
        foreach ($params as $key => $value) {
            $html .= "    <input type=\"hidden\" name=\"{$key}\" id=\"{$key}\" value=\"{$value}\" />\n";
        }
        $html .= <<<eot
   <!-- <input type="submit" type="hidden">-->
    </form>
</body>
</html>
eot;

        return $html;
    }

    /**
     * @param int $payType
     * @return aotu\PayHandler|balpal\PayHandler|huayin\PayHandler|huidao\PayHandler|null
     */
    public static function getPayHandlerByPayType($payType)
    {
        switch ($payType) {
            case 2:
                $handler = new \common\pay\huidao\PayHandler();
                break;
            case 4:
                $handler = new \common\pay\huayin\PayHandler();
                break;
            case 5:
                $handler = new \common\pay\aotu\PayHandler();
                break;
            case 6:
                $handler = new \common\pay\balpal\PayHandler();
                break;
            default:
                $handler = null;
                break;
        }
        return $handler;
    }
}