我现在做的一个网站要做微信支付，扫码和jsapi支付都做好了，现在PC生成了扫码支付的二维码后，不支付，在去微信端用JSAPI支付时出现了订单重复的问题，$input->SetTrade_type("JSAPI"); 只是改变了支付类型，是不是要把这个没支付的订单在重新生成个订单号才行？我想实现的是PC端用扫码，手机浏览器用H5，微信端用JSAPI现在遇到这个坑卡着了，还请各位大哥帮忙看下，谢谢了

 //调用微信jsapi支付接口
case 'wxjsapipay':
    if(empty($_GET['sn']))
    {
        die('error: no order sn');
    }
    $sn=mysqli_real_escape_string($GLOBALS['db']->conn, htmlspecialchars(stripslashes($_GET['sn'])));
    $title_sn='订单号'.$sn;
    $order=orders_get_by_sn($sn);
    ini_set('date.timezone','Asia/Shanghai');
    require_once "wxpay/lib/WxPay.Api.php";
    require_once "wxpay/example/WxPay.JsApiPay.php";
    require_once 'wxpay/example/log.php';
    //①、获取用户openid
    $tools = new JsApiPay();
    if(!isset($_SESSION[USERSESSION]['wx_openId']) && empty($_SESSION[USERSESSION]['wx_openId'])){
        $_SESSION[USERSESSION]['wx_openId'] = $tools->GetOpenid();
    }
    $money=$order['buy_total']*100;
    //②、统一下单
    $input = new WxPayUnifiedOrder();
    $input->SetBody($title_sn);
    $input->SetAttach($title_sn);
    $input->SetOut_trade_no($sn);
    $input->SetTotal_fee($money);
    $input->SetTime_start(date("YmdHis"));
    $input->SetTime_expire(date("YmdHis", time() + 600));
    $input->SetGoods_tag($title_sn);
    $input->SetNotify_url("http://www.xxx.com/qrcode/notify.php");
    $input->SetTrade_type("JSAPI");
    $input->SetOpenid($_SESSION[USERSESSION]['wx_openId']);
    $order = WxPayApi::unifiedOrder($input);

// echo "

";

//        print_r($order);die;

        $jsApiParameters = $tools->GetJsApiParameters($order);

//        $editAddress = $tools->GetEditAddressParameters();

        $smarty->assign('money', number_format($money/100, 2, '.', ''));

        $smarty->assign('jsApiParameters', $jsApiParameters);

        $smarty->assign('sn', $sn);

        $smarty->display("wxpay.shtml");

        exit();

        break;

            //调用微信扫码支付接口
case 'wxpay':
    if(empty($_GET['sn']))
    {
        die('error: no order sn');
    }
    $sn=mysqli_real_escape_string($GLOBALS['db']->conn, htmlspecialchars(stripslashes($_GET['sn'])));
    $title_sn='订单号'.$sn;
    $order=orders_get_by_sn($sn);
    ini_set('date.timezone','Asia/Shanghai');
    require_once "wxpay/lib/WxPay.Api.php";
    require_once "wxpay/example/WxPay.NativePay.php";
    require_once 'wxpay/example/log.php';
    $notify = new NativePay();
    $money=$order['buy_total']*100;
    $input = new WxPayUnifiedOrder();
    $input->SetBody($title_sn);
    $input->SetAttach($title_sn);
    $input->SetOut_trade_no($sn);
    $input->SetTotal_fee($money);
    $input->SetTime_start(date("YmdHis"));
    $input->SetTime_expire(date("YmdHis", time() + 600));
    $input->SetGoods_tag($title_sn);
    $input->SetNotify_url("http://www.xxx.com/qrcode/notify.php");
    $input->SetTrade_type("NATIVE");
    $input->SetProduct_id($order['id']);
    $result = $notify->GetPayUrl($input);


//      echo "
";

//      print_r($result);die;

        if (!isset($result["code_url"]))

        {

            $content = 'Preferential code error
';

            $result['content'] = 'Failed to obtain QR code. Please try again later';

            $result['title'] = 'Tip';

            $result['content_cn'] = '获取支付二维码失败，请稍后再试';

            $result['title_cn'] = '提示';

            $result['success'] = false;

            $order_confirm_url = $ac->createPluginsUrl(array('plug'=>'member','ac'=>'default'));

            $result['button'] = 'Back';

            $result['button_cn'] = '返回';

            $smarty->assign('data', $result);

            $smarty->display('sys-info.shtml');

            exit();

        }

        $url2 = $result["code_url"];

        $smarty->assign('url2', $url2);

        $smarty->assign('money', number_format($money/100, 2, '.', ''));

        $smarty->assign('sn', $sn);

        $smarty->display("wxpay.shtml");

        exit();

        break;

如何实现手机浏览器功能

六边形战士夏

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