微信小程序支付之单次支付-即速应用

 //获取支付必备参数prepay_id 以及进行支付返回paysign public function pay($id) {     //$order_id = input('order_id');     //进行查询数据库获得支付参数，     header("Content-type:text/html;charset=utf-8"); //此处进行字符集初始化，     // $pay_data = DB::name('pay')->find();     $order_data = db('order')->where('id', $id)->find();     $notify_url =  'https://' . $_SERVER['HTTP_HOST'] . '/index.php/home/Index/payok';     $data = array(         //'appid' => 'wxf0d27e41678c566c',  //小程序appid         'appid' => Config::get('appid'),         'body' => '腾讯-游戏',         //'mch_id' => '1484855592',         //微信支付商户号         'mch_id' => Config::get('mch_id'),         'nonce_str' => md5(date('YmdHis') . time() . rand(1000, 9999)),           //随机字符串         'notify_url' => $notify_url,    //异步回调地址         'openid' => $order_data['openid'],        //用户登录时获取的code中含有的值         'out_trade_no' => $order_data['orderno'],               //商家订单号         'spbill_create_ip' => '127.0.0.1',           //APP和网页支付提交用户端ip         'total_fee' => $order_data['total']*100,                 //订单总额         // 'total_fee' => 1,         'attach' => 'borrow',           //确定是哪个商家进行的支付         'trade_type' => 'JSAPI'           //交易类型     );     // echo_info($data);die;     //$key = 'z4hgl4cnf5ac2wl3msiek5p0x3aiy2yc'; //商户秘钥     $key = Config::get('shopsecret');     //制作签名     //签名步骤一：按字典序排序参数     ksort($data);     $buff = "";     foreach ($data as $k => $v) {         if ($k != "sign" && $v != "" && !is_array($v)) {             $buff .= $k . "=" . $v . "&";         }     }     $buff = trim($buff, "&");     //签名步骤二：在string后加入KEY     $string = $buff . "&key=" . $key;     //签名步骤三：MD5加密     $string = md5($string);     //签名步骤四：所有字符转为大写     $sign = strtoupper($string);     $data['sign'] = $sign;     ksort($data);     //进行拼接数据     $abc_xml = "<xml>";     foreach ($data as $key => $val) {         if (is_numeric($val)) {             $abc_xml .= "<" . $key . ">" . $val . "</" . $key . ">";         } else {             $abc_xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";         }     }     $abc_xml .= "</xml>";     //统一下单接口prepay_id     $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';     // $abc_xml=array2xml($data);     //dump($abc_xml);die;     $xml = http_request_curl($url, $abc_xml);     //POST方式请求http     //将XMl转化为数组     $info = xml2array($xml);     // echo_info($info);die();     //进行拼接sign     function MakeSign($params, $KEY)     {         //签名步骤一：按字典序排序数组参数         ksort($params);         $buff1 = '';         foreach ($params as $k => $v) {             if ($k != "sign" && $v != "" && !is_array($v)) {                 $buff1 .= $k . "=" . $v . "&";             }         }         $buff1 = trim($buff1, "&");         //签名步骤二：在string后加入KEY         $string = $buff1 . "&key=" . $KEY;         //签名步骤三：MD5加密         $string = md5($string);         //签名步骤四：所有字符转为大写         $result = strtoupper($string);         return $result;     }     if (empty($info['prepay_id'])) {         echo_info(array('status' => -1, 'message' => '商户号id和秘钥不匹配'));     }     $params = array(         'appId' => Config::get('appid'),         'nonceStr' => $data['nonce_str'],         'package' => 'Sign=WXPay&prepay_id=' . $info['prepay_id'],         'signType' => 'MD5',         'timeStamp' => time()     );     //$key = 'z4hgl4cnf5ac2wl3msiek5p0x3aiy2yc'; //商户秘钥     $key = Config::get('shopsecret');     $info['paySign'] = MakeSign($params, $key);     $info['timeStamp'] = "" . $params['timeStamp'] . "";     $info['nonceStr'] = $params['nonceStr'];     $info['package'] = $params['package'];     //请求成功后进行返回数据信息     if ($info['return_code'] == 'SUCCESS' || $info['result_code'] == 'SUCCESS') {         echo_info(array('status' => 1, 'message' => '请求成功', 'data' => $info));     } else {         echo_info(array('status' => -1, 'message' => '请求失败', 'data' => $info));     } }public function payok(){    error_reporting(0);    define('IN_MOBILE', true);    libxml_disable_entity_loader(true);    $xml = '<?xml version="1.0" encoding="utf-8"?>';    $xml .= $GLOBALS['HTTP_RAW_POST_DATA'];    $obj = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);    $arrayinfo = xmlToArray($obj);    if (($arrayinfo['result_code'] = 'SUCCESS' || $arrayinfo['return_code'] = 'SUCCESS')) {        $out_trade_no = $arrayinfo['out_trade_no']; //商户订单号        $transaction_id = $arrayinfo['transaction_id']; //微信订单支付订单号        $result = DB::name('order')->where('orderno', $out_trade_no)->find();        if ($result['status'] != 1) {            $datas = array(                'status' => 1,                'transid' => $transaction_id            );            $res = DB::name('order')->where('orderno', $out_trade_no)->update($datas);            if ($res) {                return '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';            } else {                return '<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[NO]]></return_msg></xml>';            }        } else {            return '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';        }    } else {        return '<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[NO]]></return_msg></xml>';    }}