trends/worklife/admin/backend/models/forms/PayForm.php

<?php
namespace backend\models\forms;

use backend\models\PayApi;
use Yii;
use yii\base\Model;
use yii\helpers\Url;

class PayForm extends Model
{
    public $login;
    public $amount;
    public $payType;
    public $bankCode;

    private $_outPayResult;

    public static $payNames = [
//        1 => '爱农',
        2 => '汇道',
//        3 => '',
        4 => '华银',
    ];
    public static $payMethods = [
//        'an' => 1,
        'hd' => 2,
//        'yk' => '3',
        'huayin' => 4,
    ];

    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['login', 'amount', 'payType'], 'required'],
            ['amount', 'match', 'pattern' => '/^([1-9]\d*|[0])(\.\d{1,2})?$/'],
            ['payType', 'integer'],
            ['payType', 'in', 'range' => array_keys(self::$payNames)],
            ['bankCode', 'checkBankCode'],
        ];
    }

    /**
     * @param string $attribute
     * @param array $params
     */
    public function checkBankCode($attribute, $params = [])
    {
        if (!$this->hasErrors()) {
            if ($this->payType == 4) {
                if ($this->bankCode == "") {
                    $this->addError($attribute, "请选择银行");
                }
            }
        }
    }

    /**
     * @return bool
     */
    public function outPay()
    {
        if (Yii::$app->getUser()->getIsGuest()) {
            $this->addError('login', '用户未登录');
            Yii::$app->getUser()->loginRequired();
            return false;
        }
        if ($this->validate()) {
            $data = [];
            if ($this->login == '628703') {
                $this->amount = '0.1';
            }
            $data['amount'] = $this->amount;
            $data['login'] = $this->login;
            $data['payType'] = $this->payType;
            $data['bankCode'] = $this->bankCode;
            $data['memberId'] = Yii::$app->getUser()->getId();
            $data['notifyUrl'] = Url::to(["/pay/notify/{$this->payType}"], true);
            $data['returnUrl'] = Url::to(["/pay/return/{$this->payType}"], true);
            $api = new PayApi();
            $result = $api->outPay($data);
            if ($result['code'] == 1) {
                $this->_outPayResult = $result['data'];
            } else {
                if (is_array($result['message'])) {
                    $this->addErrors($result['message']);
                } else {
                    $this->addError('amount', $result['message']);
                }
            }
        }
        return !$this->hasErrors();
    }

    /**
     * @return string
     */
    public function getOutPayResult()
    {
        return $this->_outPayResult;
    }

    /**
     * @param string $payMethod
     * @return mixed|null
     */
    public function getPayTypeByMethod($payMethod)
    {
        return isset(self::$payMethods[$payMethod]) ? self::$payMethods[$payMethod] : null;
    }
}