PHP实例
//实现的Wxpay钩子办法
    public function Wxpay($param){
      require './Addons/Wxpay/WxPayPubHelper/WxPayPubHelper.PHP';
      $jsApi = new \JsApi_pub(); 
       
      //=========步骤1：网页授权获取用户openid============
      if (!isset($_GET['code']))
      {
        //触发微信返回code码
        $url = $jsApi->createOauthUrlForCode(\WxPayConf_pub::JS_API_CALL_URL.'/order_id/'.$param['order_id']);
        Header("Location: $url");
      }else
      {
        $order_id = $param['order_id'];
        $info = M('Order')->where('id='.$order_id)->find();
        if(empty($info) || $info['is_pay'] == 1){
          dump('该订单不存在或已支付'.$order_id);
          exit();
        }
        $this->assign('info',$info);
        $a = $info['money'];
        $b = 100;
        $c = $a * $b;
         
        //获取code码,以获取openid
        $code = $_GET['code'];
        $jsApi->setCode($code);
        $openid = $jsApi->getopenId();
      }
       
      //=========步骤2：使用统一支付接口,获取prepay_id============
      //使用统一支付接口
      $unifiedOrder = new \UnifiedOrder_pub();
       
      $unifiedOrder->setParameter("openid","$openid");//商品描述
      $unifiedOrder->setParameter("body","在线预订");//商品描述
      //自定义订单号,此处仅作举例
      $timeStamp = time();
//       $out_Trade_no = \WxPayConf_pub::APPID."$timeStamp";
      $out_Trade_no = $info['ordersn'];
      $unifiedOrder->setParameter("out_Trade_no","$out_Trade_no");//商户订单号
      $unifiedOrder->setParameter("total_fee","$c");//总金额
      $unifiedOrder->setParameter("notify_url",\WxPayConf_pub::NOTIFY_URL.'/order_id/'.$param['order_id']);//通知地址
      $unifiedOrder->setParameter("Trade_type","JSAPI");//交易类型
       
      $prepay_id = $unifiedOrder->getPrepayId();
      //=========步骤3：使用jsapi调起支付============
      $jsApi->setPrepayId($prepay_id);
      $jsApiParameters = $jsApi->getParameters();
      $this->assign('jsApiParameters',$jsApiParameters);
 
      $this->display('pay');
    }

<?php
// +----------------------------------------------------------------------
// | YFCMS [ WE CAN DO IT MORE SIMPLE ]
// +----------------------------------------------------------------------
// | Copyright (c) 2015-2016 http://xueding.vip All rights reserved.
// +----------------------------------------------------------------------
// | Author: XueDing_ <361169632@qq.com>
// +----------------------------------------------------------------------
namespace app\phone\controller;

use think\Db;
use think\Request;
use think\Session;
use think\Cookie;
use app\phone\model\Weixin;
use app\phone\model\Weixin_pay;
use app\phone\model\Alipay;

class Pay extends controller
{
    public function _initialize()
    {
        $this->alipay_config = array(
            //应用ID,您的APPID。
            ''app_id'' => ''your app_id'',
            //支付宝公钥,查看地址：https://openhome.alipay.com/platform/keyManage.htm 对应APPID下的支付宝公钥。
            ''alipay_public_key'' => ''your alipay_public_key'',
            //商户私钥，您的原始格式RSA私钥
            ''merchant_private_key'' => ''your merchant_private_key'',
            //异步通知地址
            ''notify_url'' => "your notify_url",
            //同步跳转
            ''return_url'' => "your return_url",
            //编码格式
            ''charset'' => "UTF-8",
            //签名方式
            ''sign_type'' => "RSA2",
            //支付宝网关
            ''gatewayUrl'' => "https://openapi.alipay.com/gateway.do",
            //支付宝partner，2088开头数字
            ''partner'' => ''your partner'',
            //支付宝密钥
            ''md5_key'' => ''your key''
        );
        $this->wechat_config = array(
            //您的APPID
            ''app_id'' => ''your app_id'',
            //您的md5_key
            ''md5_key'' => ''your md5_key'',
            //您的mch_id
            ''mch_id'' => ''your mch_id'',
            //您的appsecret
            ''appsecret'' => ''your appsecret'',
            //您的回调地址可以在这里配置使用方法的时候传，也可以在模型里面配置。
            ''notify_url'' => ''your notify_url'',
        );
    }

    /*
    微信h5支付
     */
    public function wechat_pay()
    {
        if (input(''post.token'') == TOKEN) {
            // 判断用户是在微信浏览器打开还是其他浏览器打开。
            $userAgent = $_SERVER[''HTTP_USER_AGENT''];
            if (strpos($userAgent, ''MicroMessenger'')) {
                $wechat = new Weixin($this->wechat_config[''appsecret''], $this->wechat_config[''app_id'']);
                $wechat_pay = new Weixin_pay($this->wechat_config[''appsecret''], $this->wechat_config[''app_id''], $this->wechat_config[''md5_key''], $this->wechat_config[''mch_id'']);
                $code = input(''post.code'');
                if (session::has(''openid'')) {
                    $openid = session::get(''openid'');
                    $total_fee = 1;
                    $out_trade_no = ''12345678945641231'';
                    $body = "充值金币支付测试";
                    $res = $wechat_pay->pay($openid, $total_fee, $body, $out_trade_no);
                    $arr[''errcode''] = ''0'';
                    $arr[''errmsg''] = ''ok'';
                    $arr[''url''] = ''本控制器下的地址/'' . ''wx?data='' . $res;
                    $data = json_encode($arr);
                } else {
                    if (!empty($code)) {
                        $res = $wechat->get_access_token($code);
                        $userinfo = $wechat->get_openid_userinfo($res[''access_token''], $res[''openid'']);
                        $openid = $userinfo[''openid''];
                        session::set(''openid'', $openid);
                        $total_fee = 1;
                        $out_trade_no = ''12345678945641231'';
                        $body = "充值金币支付测试";
                        $res = $wechat_pay->pay($openid, $total_fee, $body, $out_trade_no);
                        $arr[''errcode''] = ''0'';
                        $arr[''errmsg''] = ''ok'';
                        $arr[''url''] = ''本控制器下的地址/'' . ''wx?data='' . $res;
                        $data = json_encode($arr);
                    } else {
                        $link = ''http://'' . $_SERVER[''HTTP_HOST''] . ''/#/cz''; // 前端充值金币页面地址。
                        cookie::set(''url'', $link, 300);
                        //$link 这个地址是在微信打开你项目时才会需要的,地址后面带上获取的code进行获取access_token。
                        $res = $wechat->code_shouquan($link);
                        $arr[''errcode''] = ''0'';
                        $arr[''errmsg''] = ''ok'';
                        $arr[''url''] = $res;
                        $data = json_encode($arr);
                    }
                }
            } else {
                //非微信浏览器
                $wechat_pay = new Weixin_pay($this->wechat_config[''appsecret''], $this->wechat_config[''app_id''], $this->wechat_config[''md5_key''], $this->wechat_config[''mch_id'']);
                //h5支付不用传递openid 此处与微信jsapi支付不同
                $openid = "";
                $total_fee = 1;
                $out_trade_no = ''12345678945641231'';
                $body = "充值金币h5支付测试";
                $res = $wechat_pay->payh5($openid, $total_fee, $body, $out_trade_no);
                $arr[''errcode''] = ''0'';
                $arr[''errmsg''] = ''ok'';
                $arr[''url''] = $res[''mweb_url''];//微信唤起H5支付地址
                $data = json_encode($arr);
            }
        } else {
            $data = ''{"errcode":"1001","errmsg":"TOKEN无效"}'';
        }
        echo $data;
    }

    /*
    在微信打开的时候唤起微信公众号支付。
    */
    public function wx()
    {
        $data = input(''get.data'');
        $this->assign(''data'', $data);
        return view();
    }

    /*
    获取微信code
     */
    public function code()
    {
        $code = input(''param.code'');
        $this->redirect(cookie::get(''url'') . ''?code='' . $code);
    }

    /*
    微信回调
    */
    public function wechat_notify()
    {
        $ccc = file_get_contents(''php://input'');
        $Weixin_pay = new Weixin_pay();
        $data = $Weixin_pay->xmlToArray($ccc);
        if ($data[''result_code''] == ''SUCCESS'' && $data[''return_code''] == ''SUCCESS'') {
            //获取订单号
            $Ordersn = $data[''out_trade_no''];//订单号
            // 处理支付成功后的逻辑业务
        }
    }

    /*
    微信APP支付
     */
    public function app_wechat_pay()
    {
        if (input(''post.token'') == TOKEN) {
            $wechat_pay = new Weixin_pay($this->wechat_config[''appsecret''], $this->wechat_config[''app_id''], $this->wechat_config[''md5_key''], $this->wechat_config[''mch_id'']);
            //h5支付不用传递openid 此处与微信jsapi支付不同
            $openid = "";
            $total_fee = 1;
            $body = "充值金币APP支付测试";
            $order_sn = 123456789;//订单号
            $res = $wechat_pay->app_pay($body, $order_sn, $total_fee);
            if ($res[''prepay_id'']) {//判断返回参数中是否有prepay_id
                $order = $wechat_pay->getOrder($res[''prepay_id'']);//执行二次签名返回参数
                $arr[''errcode''] = ''0'';
                $arr[''errmsg''] = ''ok'';
                $arr[''order''] = $order;
                $data = json_encode($arr);
            } else {
                $arr[''errcode''] = ''1003'';
                $arr[''errmsg''] = $res[''err_code_des''];
                $data = json_encode($arr);
            }
        } else {
            $data = ''{"errcode":"1001","errmsg":"TOKEN无效"}'';
        }
        echo $data;
    }

    /*
    支付宝开始支付
    */
    public function alipay()
    {//发起支付宝支付
        if (input(''post.token'') == TOKEN) {
            $link = ''http://'' . $_SERVER[''HTTP_HOST''] . ''/#/cz'';
            cookie::set(''url'', $link, 300);
            $res[''out_trade_no''] = 123456798123;
            $res[''subject''] = ''充值'';
            $res[''body''] = ''测试'';
            $res[''money''] = 0.01;
            $Pay = new Alipay($this->alipay_config[''partner''], $this->alipay_config[''md5_key'']);
            $result = $Pay->alipay([
                ''notify_url'' => ''your notify_url'',
                ''return_url'' => ''your return_url'',
                ''out_trade_no'' => $res[''out_trade_no''],
                ''subject'' => $res[''subject''],
                ''total_fee'' => $res[''money''],
                ''body'' => $res[''body''],
            ]);
            $arr[''errcode''] = ''0'';
            $arr[''errmsg''] = ''ok'';
            return $result[''msg''];
        } else {
            $data = ''{"errcode":"1001","errmsg":"TOKEN无效"}'';
        }
        echo $data;
    }

    /*
    支付宝回调
    */
    public function alipay_notify()
    {//异步订单通知
        $wx = sys_config_get(''payment'');
        $Pay = new Alipay($wx[''aliwappay''][''partner''], $wx[''aliwappay''][''md5_key'']);
        $out_trade_no = input(''out_trade_no'');
        $trade_status = input(''trade_status'');
        if ($trade_status == ''TRADE_SUCCESS'') {
            // 处理支付成功后的逻辑业务

        } else {
            // 处理支付失败后的逻辑业务
        }
    }
}

<?php

namespace app\phone\model;

use think\Db;
use think\Validate;
use think\Loader;
use think\Model;

class Weixin extends model
{
    protected $appScrect;
    protected $appId;

    public function __construct($appScrect = "", $appId = "")
    {
        $this->appScrect = $appScrect;
        $this->appId = $appId;
    }

    /*
     * 因为本项目需求，前端是Vue后台是TP5两个项目不在一个服务器所以我的url是return 回控制器通过接口返回给前端
     * 如果是正常html页面可以使用header("Location: $url"); 以下方法都是
     * */
    public function code_shouquan($link)
    {
        $redirect_uri = urlencode(''网址/pay/code'');//微信获取网页授权地址
        // 1、引导用户进入授权页面同意授权，获取code
        // 2、通过code换取网页授权access_token
        // 3、如果需要，开发者可以刷新网页授权access_token，避免过期
        // 4、通过网页授权access_token和openid获取用户基本信息（支持UnionID机制）
        $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" . $this->appId . "&redirect_uri=" . $redirect_uri . "&response_type=code&scope=snsapi_userinfo&state=1234#wechat_redirect";
        return $url;
    }


    public function get_access_token($code)
    {

        //检测缓存中是否有access_token(2小时),如果存在直接返回,不存在则检测缓存中的refresh_token(30天),
        // refresh_token如果存在调用刷新缓存;如果不存在重新发起授权code授权
        $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" . $this->appId . "&secret=" . $this->appScrect . "&code=" . $code . "&grant_type=authorization_code";
        $res = $this->sendRequest($url);
        return $res;
    }

    public function get_refresh_token($refresh_token)
    {

        $url = "https://api.weixin.qq.com/sns/oauth2/refresh_token?appid=" . $this->appId . "&grant_type=refresh_token&refresh_token=" . $refresh_token;
        $res = $this->sendRequest($url);
        return $res;
    }

    public function get_openid_userinfo($access_token, $openid)
    {
        $url = "https://api.weixin.qq.com/sns/userinfo?access_token=" . $access_token . "&openid=" . $openid . "&lang=zh_CN";
        $res = $this->sendRequest($url);
        return $res;
    }

    /*
   发送请求
    */
    public function sendRequest($url)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($ch);
        curl_close($ch);
        return json_decode($output, true);
    }
}

<?php
namespace app\phone\model;
use think\Db;
use think\Validate;
use think\Loader;
use think\Model;

class Weixin_pay extends model
{
    protected $appScrect;//微信公众平台的appscrect
    protected $appId;//微信公众平台appid
    protected $key;//微信商户平台配置的秘钥
    protected $mch_id;//微信商户号
    protected $values = array();

    public function __construct($appScrect="",$appId="", $key="",$mch_id =''''){
        $this->appScrect=$appScrect;
        $this->appId=$appId;
        $this->key=$key;
        $this->mch_id=$mch_id;

    }
    public function app_pay($body, $out_trade_no, $total_fee){
        $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
        $notify_url = '''';//可以在这填写回调地址也可以增加一个参数传过来。也可以直接在构造里面加一个notify_url地址
        $onoce_str = $this->createNoncestr();
        $data["appid"] = $this->appId;
        $data["body"] = $body;
        $data["mch_id"] = $this->mch_id;
        $data["nonce_str"] = $onoce_str;
        $data["notify_url"] = $notify_url;
        $data["out_trade_no"] = $out_trade_no;
        $data["spbill_create_ip"] = $this->get_client_ip();
        $data["total_fee"] = $total_fee;
        $data["trade_type"] = "APP";
        $sign = $this->getSign($data);
        $data["sign"] = $sign;
        $xml = $this->arrayToXml($data);
        $response = $this->postXmlCurl($xml, $url);
        // return $xml;
        //将微信返回的结果xml转成数组
        $response = $this->xmlToArray($response);
        //返回数据
        return $response;
    }
    //执行第二次签名，才能返回给客户端使用
    public function getOrder($prepayId){
        $data["appid"] = $this->appId;
        $data["noncestr"] = $this->createNoncestr();;
        $data["package"] = "Sign=WXPay";
        $data["partnerid"] = $this->mch_id;
        $data["prepayid"] = $prepayId;
        $data["timestamp"] = time();
        $s = $this->getSign($data, false);
        $data["sign"] = $s;
        return $data;
    }
    /*
    公众号支付
     */
    public function pay($openid,$total_fee,$body,$out_trade_no){
        $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
        $notify_url = '''';
        $onoce_str = $this->createNoncestr();
        $data["appid"] = $this->appId;
        $data["body"] = $body;
        $data["mch_id"] = $this->mch_id;
        $data["nonce_str"] = $onoce_str;
        $data["notify_url"] = $notify_url;
        $data["out_trade_no"] = $out_trade_no;
        $data["spbill_create_ip"] = $this->get_client_ip();
        $data["total_fee"] = $total_fee;
        $data["trade_type"] = "JSAPI";
        $data["openid"] = $openid;
        $sign = $this->getSign($data);
        $data["sign"] = $sign;
        $xml = $this->arrayToXml($data);
        $response = $this->postXmlCurl($xml, $url);
        //将微信返回的结果xml转成数组
        $response = $this->xmlToArray($response);
        $jsapi=array();
        $timeStamp = time();
        $jsapi[''appId'']=($response["appid"]);    
        $jsapi[''timeStamp'']=("$timeStamp");
        $jsapi[''nonceStr'']=($this->createNoncestr());
        $jsapi[''package'']=("prepay_id=" . $response[''prepay_id'']);
        $jsapi[''signType'']=("MD5");
        $jsapi[''paySign'']=($this->getSign($jsapi));
        $parameters = json_encode($jsapi);
        // halt($jsapi);
        //请求数据,统一下单  
        return $parameters; 
    }

    public function payh5($openid,$total_fee,$body,$out_trade_no){
        $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";
        $notify_url = '''';
        $onoce_str = $this->createNoncestr();
        $data["appid"] = $this->appId;
        $data["body"] = $body;
        $data["mch_id"] = $this->mch_id;
        $data["nonce_str"] = $onoce_str;
        $data["notify_url"] = $notify_url;
        $data["out_trade_no"] = $out_trade_no;
        $data["spbill_create_ip"] = $this->get_client_ip();
        $data["total_fee"] = $total_fee;
        $data["trade_type"] = "MWEB";
        $data["scene_info"] = "{''h5_info'': {''type'':''Wap'',''wap_url'':  $notify_url,''wap_name'': ''测试充值''}}";
        $sign = $this->getSign($data);
        $data["sign"] = $sign;
        $xml = $this->arrayToXml($data);
        // return $data;
        $response = $this->postXmlCurl($xml, $url);
        //将微信返回的结果xml转成数组
        $response = $this->xmlToArray($response);
        //请求数据,统一下单  
        return $response; 
    }

    public static function getNonceStr($length = 32)
    {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str ="";
        for ( $i = 0; $i < $length; $i++ )  {
            $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);
        }
        return $str;
    }

    // 　　/*生成签名*/
    public function getSign($Obj){
        foreach ($Obj as $k => $v){
            $Parameters[$k] = $v;
        }
        //签名步骤一：按字典序排序参数
        ksort($Parameters);
        $String = $this->formatBizQueryParaMap($Parameters, false);
        //echo ''【string1】''.$String.''</br>'';
        //签名步骤二：在string后加入KEY
        $String = $String."&key=".$this->key;
        //echo "【string2】".$String."</br>";
        //签名步骤三：MD5加密
        $String = md5($String);
        //echo "【string3】 ".$String."</br>";
        //签名步骤四：所有字符转为大写
        $result_ = strtoupper($String);
        //echo "【result】 ".$result_."</br>";
        return $result_;
    }
 
 
    /**
    *  作用：产生随机字符串，不长于32位
    */
    public function createNoncestr( $length = 32 ){
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789"; 
        $str ="";
        for ( $i = 0; $i < $length; $i++ )  { 
            $str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); 
        } 
        return $str;
    }
 
 
    //数组转xml
    public function arrayToXml($arr){
        $xml = "<xml>";
        foreach ($arr as $key=>$val){
            if (is_numeric($val)){
                $xml.="<".$key.">".$val."</".$key.">";
            }else{
                $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; 
            }
        }
        $xml.="</xml>";
        return $xml;
    }
 
       
    /**
    *  作用：将xml转为array
    */
    public function xmlToArray($xml){  
        //将XML转为array       
        $array_data = json_decode(json_encode(simplexml_load_string($xml, ''SimpleXMLElement'', LIBXML_NOCDATA)), true);
        return $array_data;
    }
 
 
    /**
    *  作用：以post方式提交xml到对应的接口url
    */
    public function postXmlCurl($xml,$url,$second=30){  
        //初始化curl       
        $ch = curl_init();
        //设置超时
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);
        //这里设置代理，如果有的话
        //curl_setopt($ch,CURLOPT_PROXY, ''8.8.8.8'');
        //curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
        curl_setopt($ch,CURLOPT_URL, $url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
        //设置header
        curl_setopt($ch, CURLOPT_HEADER, FALSE);
        //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
        //post提交方式
        curl_setopt($ch, CURLOPT_POST, TRUE);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
        //运行curl
        $data = curl_exec($ch);
        //返回结果
 
        if($data){
            curl_close($ch);
            return $data;
        }else{
            $error = curl_errno($ch);
            echo "curl出错，错误码:$error"."<br>";
            curl_close($ch);
            return false;
        }
    }
 
 
    /*
    获取当前服务器的IP
    */
    public function get_client_ip(){
        if(getenv(''HTTP_CLIENT_IP'') && strcasecmp(getenv(''HTTP_CLIENT_IP''),''unknown'')) {

            $ip = getenv(''HTTP_CLIENT_IP'');

        } elseif(getenv(''HTTP_X_FORWARDED_FOR'') && strcasecmp(getenv(''HTTP_X_FORWARDED_FOR''),''unknown'')) {

            $ip = getenv(''HTTP_X_FORWARDED_FOR'');

        } elseif(getenv(''REMOTE_ADDR'') && strcasecmp(getenv(''REMOTE_ADDR''),''unknown'')) {

            $ip = getenv(''REMOTE_ADDR'');

        } elseif(isset($_SERVER[''REMOTE_ADDR'']) && $_SERVER[''REMOTE_ADDR''] && strcasecmp($_SERVER[''REMOTE_ADDR''], ''unknown'')) {

            $ip = $_SERVER[''REMOTE_ADDR''];

        }

        return preg_match ( ''/[\d\.]{7,15}/'', $ip, $matches ) ? $matches [0] : '''';
    }
     
 
    /**
    *  作用：格式化参数，签名过程需要使用
    */
    public function formatBizQueryParaMap($paraMap, $urlencode){
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v){
            if($urlencode){
                $v = urlencode($v);
            }
            $buff .= $k . "=" . $v . "&";
        }
        $reqPar;
        if (strlen($buff) > 0){
            $reqPar = substr($buff, 0, strlen($buff)-1);
        }
        return $reqPar;
    }
    
        public function MakeSign($unifiedorder)
    {
        $this->values=$unifiedorder;
        //签名步骤一：按字典序排序参数
        // ksort($this->values);
        $string = $this->ToUrlParams();
        //halt($string);
        //签名步骤二：在string后加入KEY
        $string = $string . "&key=".$this->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;
    }

    public function ToUrlParams()
    {
        $buff = "";
        foreach ($this->values as $k => $v)
        {
            if($k != "sign" && $v != "" && !is_array($v)){
                $buff .= $k . "=" . $v . "&";
            }
        }
        $buff = trim($buff, "&");
        return $buff;
    }


          function array2xml($array)
    {
        $xml=''<xml>'';
        foreach($array as $key=>$val){
            if(is_numeric($key)){
                $key="item id=\"$key\"";
            }else{
                //去掉空格，只取空格之前文字为key
                list($key,)=explode('' '',$key);
            } 
            $xml.="<$key>";
            $xml.=is_array($val)?$this->_array2xml($val):$val;
            //去掉空格，只取空格之前文字为key
            list($key,)=explode('' '',$key);
            $xml.="</$key>";
            
        }
            $xml.="</xml>";

        return $xml;
    }

       function xml2array($xml)
    {    
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $values = json_decode(json_encode(simplexml_load_string($xml, ''SimpleXMLElement'', LIBXML_NOCDATA)), true);  
        return $values;
    }

    
    public  function request_post($url = '''', $param = '''')
    {
        if (empty($url) || empty($param)) {
            return false;
        }
        $postUrl = $url;
        $curlPost = $param;
        $ch = curl_init(); //初始化curl
        curl_setopt($ch, CURLOPT_URL, $postUrl); //抓取指定网页
        curl_setopt($ch, CURLOPT_HEADER, 0); //设置header
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_POST, 1); //post提交方式
        curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);
        $data = curl_exec($ch); //运行curl
        curl_close($ch);
        return $data;
    }

    function curl_post_ssl($url, $vars, $second=30,$aHeader=array())
    {
        $ch = curl_init();
        //curl_setopt($ch,CURLOPT_VERBOSE,''1'');
        curl_setopt($ch,CURLOPT_TIMEOUT,$second);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
        curl_setopt($ch,CURLOPT_SSLCERTTYPE,''PEM'');
        curl_setopt($ch,CURLOPT_SSLCERT,''/data/cert/php.pem'');
        curl_setopt($ch,CURLOPT_SSLCERTPASSWD,''1234'');
        curl_setopt($ch,CURLOPT_SSLKEYTYPE,''PEM'');
        curl_setopt($ch,CURLOPT_SSLKEY,''/data/cert/php_private.pem'');
        if( count($aHeader) >= 1 ){
                curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
        }
        curl_setopt($ch,CURLOPT_POST, 1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
        $data = curl_exec($ch);
        curl_close($ch);
        if($data){
            return $data;
        }else{
            return false;
        }
    }
}

<?php
namespace app\phone\model;

use think\Validate;
use think\Log;
use think\Model;
use lib\AlipaySubmit;

class Alipay extends Model
{
    protected $partner;
    protected $md5_key;

    public function __construct($partner = "", $md5_key = "")
    {
        $this->partner = $partner;
        $this->md5_key = $md5_key;
    }

    public static $alipay_config = [
        // ''partner''         => '''',//支付宝partner，2088开头数字
        // ''seller_id''         => '''',//支付宝partner，2088开头数字
        // ''key''             => '''',//支付宝密钥
        ''sign_type'' => ''MD5'',
        ''input_charset'' => ''utf-8'',
        ''cacert'' => '''',
        ''transport'' => ''http'',
        ''payment_type'' => ''1'',
        ''service'' => '''',//https://docs.open.alipay.com/api_1  看你需要哪个API接口
        ''anti_phishing_key'' => '''',
        ''exter_invoke_ip'' => '''',
        ''app_pay'' => ''Y'',
    ];

    public function alipay($data = [])
    {//发起支付宝支付
        $validate = new Validate([
            [''out_trade_no'', ''require|alphaNum'', ''订单编号输入错误1|订单编号输入错误2''],
            [''total_fee'', ''require|number|gt:0'', ''金额输入错误|金额输入错误|金额输入错误''],
            [''subject'', ''require'', ''请输入标题''],
            [''body'', ''require'', ''请输入描述''],
            [''notify_url'', ''require'', ''异步通知地址不为空''],
        ]);
        if (!$validate->check($data)) {
            return [''code'' => 0, ''msg'' => $validate->getError()];
        }
        $config = self::$alipay_config;
        $config[''partner''] = $this->partner;
        $config[''seller_id''] = $this->partner;
        $config[''key''] = $this->md5_key;
        vendor(''alipay.alipay'');
        $parameter = [
            "service" => $config[''service''],
            "partner" => $config[''partner''],
            "seller_id" => $config[''seller_id''],
            "payment_type" => $config[''payment_type''],
            "notify_url" => $data[''notify_url''],
            "return_url" => $data[''return_url''],
            "anti_phishing_key" => $config[''anti_phishing_key''],
            "exter_invoke_ip" => $config[''exter_invoke_ip''],
            "out_trade_no" => $data[''out_trade_no''],
            "subject" => $data[''subject''],
            "total_fee" => $data[''total_fee''],
            "body" => $data[''body''],
            "_input_charset" => $config[''input_charset''],
            ''app_pay'' => ''Y'',

        ];
        $alipaySubmit = new AlipaySubmit($config);
        return [''code'' => 1, ''msg'' => $alipaySubmit->buildRequestForm($parameter, "get", "确认")];
    }
}

?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>微信公众号支付</title>
</head>
<body>
<script>
    function getOrder() {
        onBridgeReady();
    }
    function onBridgeReady() {
        var data = {$data};
        WeixinJSBridge.invoke(
            ''getBrandWCPayRequest'', data,
            function (res) {
                if (res.err_msg == "get_brand_wcpay_request:ok") {
                    // 使用以上方式判断前端返回,微信团队郑重提示：res.err_msg将在用户支付成功后返回    ok，但并不保证它绝对可靠。
                    location.href = ''http://book.yueyuecms.com/#/me''
                } else {
                    // alert(res.err_code+res.err_desc+res.err_msg); // 显示错误信息
                    location.href = ''http://book.yueyuecms.com/#/me''
                }
            }
        );
    }
    if (typeof WeixinJSBridge == "undefined") {
        if (document.addEventListener) {
            document.addEventListener(''WeixinJSBridgeReady'', onBridgeReady, false);
        } else if (document.attachEvent) {
            document.attachEvent(''WeixinJSBridgeReady'', onBridgeReady);
            document.attachEvent(''onWeixinJSBridgeReady'', onBridgeReady);
        }
    } else {
        onBridgeReady();
    }
</script>
</body>
</html>