TP5 支付宝支付

//验证信息
public function pay(){
    $params = input();
    unset($params['/callback']);
    $validate = $this->validate($params,[
        'order_number|订单号'=>'require',
        'pay|支付方式'=>'require',
        'goods_price|价格'=>'require',
        'consignee|卖家名称'=>'require',
    ]);
    if ($validate !== true){
        $this->error($validate);
    }
    $id = Cookie::get('user_id');
    $order = \app\shopp\model\Order::where('user_id',$id)->where('order_number',$params['order_number'])->find();
    if (!$order){
        $this->error('订单号不存在');
    }
　　　//自动提交表单
    echo "<form id='alipayment' action='plugins/alipay/pagepay/pagepay.php' method='post'>
    <input id='WIDout_trade_no' name='WIDout_trade_no' value='{$params['order_number']}' />
    <input id='WIDsubject' name='WIDsubject' value='{$params['consignee']}' />
    <input id='WIDtotal_amount' name='WIDtotal_amount' value='{$params['goods_price']}'/>
    <input id='WIDbody' name='WIDbody' />
    </form> <script>document.getElementById('alipayment').submit();</script>";
}

  //回调方法
    public function callback(){
        $params = input();
        require_once('./plugins/alipay/config.php');
        require_once('./plugins/alipay/pagepay/service/AlipayTradeService.php');
        $alipaySevice = new \AlipayTradeService($config);
        $result =$alipaySevice->check($params);
        if ($result){
            $order_number = $params['out_trade_no'];
//            print_r($params);die;
            $order = \app\shopp\model\Order::where('order_number',$order_number)->find();
            return view('callback',['order'=>$order]);
        }
    }

HTML

<form action="/pay" method="post">
    <table>
        <tr>
            <td>
                <input type="checkbox" checked name="pay" value="支付宝">支付宝
                <input type="checkbox" name="pay" value="微信">微信
                <input type="checkbox" name="pay" value="余额宝">余额宝
                <input type="hidden" name="order_number" value="{$order.order_number}">
                <input type="hidden" name="goods_price" value="{$order.goods_price}">
                <input type="hidden" name="consignee" value="{$order.consignee}">
            </td>
            <tr>
            <td>
                <input type="submit" value="支付" style="width: 200px;height: 50px">
            </td>
        </tr>
    </table>
</form>