2016封装的微信支付，太好用了

php中文网

发布时间：2016-08-04 08:56:20

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来源于php中文网

原创

一直在做微信，遇到过很多坑，今天写出来，让大家少走点弯路，第一次写文字，有点土，如果有不懂的童鞋，可以联系我QQ1034100429,或者发私信。
getaccesstoken 获取access_token
//发起支付
public function sendpay($openid, $title, $out_trade_no, $total_fee, $notify_url)

sendtpl 发送模板消息/** * Created by PhpStorm. * User: Administrator * Date: 2016/4/11 * Time: 22:43 */ namespace Org; class Weixin { private $appid; //微信公众号的appid private $appsecret; //微信公众号的appsecret private $mchid; //微信公众号的商户号 private $wechatkey; //微信公众号的支付密钥 private $token; public function __construct() { $this->appid = C('WEIXIN_APPID'); $this->appsecret = C("WEIXIN_APP_SECRET"); $this->mchid = C("WEIXIN_MCHID"); $this->wechatkey = C("WEIXIN_KEY"); $this->token = C('WEIXIN_APP_TOKEN'); } public function chushi() { echo $this->getaccesstoken(); } public function checkSignature() { $signature = $_GET['signature']; $timestamp = $_GET['timestamp']; $nonce = $_GET['nonce']; $token = $this->token; $arrtemp = array($token, $timestamp, $nonce); sort($arrtemp, SORT_STRING); $arrtemp = implode($arrtemp); $arrtemp = sha1($arrtemp); if ($arrtemp == $signature) { return true; } else { return false; } } public function valid() { $echoStr = $_GET['echostr']; if ($this->checkSignature()) { echo $echoStr; exit; } } ////根据返回的信息,做出相应的处理 // public function responseMsg() // { // $postStr = file_get_contents('php://input'); // if (!empty($postStr)){ // /* libxml_disable_entity_loader is to prevent XML eXternal Entity Injection, // the best way is to check the validity of xml by yourself */ // libxml_disable_entity_loader(true); // $postObj = simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA); // $fromUsername = $postObj->FromUserName; // $toUsername = $postObj->ToUserName; // $keyword = trim($postObj->Content); // $msgType = $postObj->MsgType; // $Event=$postObj->Event; // $time = time(); // $textTpl = " // // // %s // // // 0 // "; // if(!empty( $keyword )) // { // $msgType = "text"; // $contentStr = "Welcome to wechat world!"; // $resultStr = sprintf($textTpl, $fromUsername, $toUsername, $time, $msgType, $contentStr); // echo $resultStr; // }else{ // echo "Input something..."; // } // // }else { // echo ""; // exit; // } // } public function getaccesstoken() { $access_token = S('access_token'); if(!empty($access_token)){ return $access_token; }else{ $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . $this->appid . "&secret=" . $this->appsecret;; $ret = $this->curlget($url); $ret = json_decode($ret,true); S('access_token',$ret['access_token'],7100); return $ret['access_token']; } } //根据openid拉取用户信息 public function userinfo($openid){ $access_token = $this->getaccesstoken(); $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$access_token."&openid=".$openid."&lang=zh_CN"; $userinfo = json_decode($this->curlget($url),true); return $userinfo; } function p($arr){ echo "

";

        print_r($arr);

    }

    function curlget($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);

        curl_setopt($ch, CURLOPT_HEADER, 0);

        $output = curl_exec($ch);

        curl_close($ch);

        return $output;

    }

    public function jingmo($url,$code,$state){

        if($code){

            $url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$this->appid."&secret=".$this->appsecret."&code=".$code."&grant_type=authorization_code";

            $arrtemp = json_decode($this->curlget($url),true);

            $ret = $this->getuserinfo($arrtemp['openid'],$arrtemp['access_token']);

            return  $ret;

        }else{

            $url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$this->appid."&redirect_uri=".$url."&response_type=code&scope=snsapi_userinfo&state=".$state."#wechat_redirect";

            header("Location: $url");

        }

    }

    public function getuserinfo($openid,$user_access_token){

        $userurl = "https://api.weixin.qq.com/sns/userinfo?access_token=".$user_access_token."&openid=".$openid."&lang=zh_CN";

        $userinfo = json_decode($this->curlget($userurl),true);

        return $userinfo;

    }

    public function getjsapi_ticket(){

        $js_ticket = S("js_ticket");

        if(!empty($js_ticket)){

            return $js_ticket;

        }else{

            $access_token = $this->getaccesstoken();

            $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$access_token."&type=jsapi";

            $res = json_decode($this->curlget($url),true);

            S("js_ticket",$res['ticket'],7100);

            return $res['ticket'];

        }

    }

    public function getjssign(){

        echo "";

        $js_ticket = $this->getjsapi_ticket();

        $time = time();

        $arr = array(

            'noncestr'=>md5($time),

            'jsapi_ticket'=>$js_ticket,

            'timestamp'=>$time,

            'url'=>'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'],


        );

        $this->p($arr);

        ksort($arr);

        $string="";

        $i=1;

        foreach($arr as $key=>$val){

            if($i==1){

                $string.=$key."=".$val;

            }else{

                $string.="&".$key."=".$val;

            }

            $i++;

            echo $i;

        }

        // echo $string;

        $signature =strtolower($string);

        $signature =  sha1($string);

        $jsconfig = array(

            'debug'=>true,

            'appId'=>$this->appid,

            'timestamp'=>$time,

            'nonceStr'=>md5($time),

            'signature'=>$signature,

            ' jsApiList'=>"['onMenuShareTimeline','onMenuShareAppMessage','onMenuShareQQ']",

        );

        $json = json_encode($jsconfig);

        return $json;

    }

    //生成大写签名

    function createsign($arr,$biaozhi){

        ksort($arr);

        $string="";

        $i=1;

        foreach($arr as $key=>$val){

            if($i==1){

                $string.=$key."=".$val;

            }else{

                $string.="&".$key."=".$val;

            }

            $i++;

        }

        $signtemp = "$string&key=" . $this->wechatkey;

        $sign = strtoupper(MD5($signtemp));

        $arr[$biaozhi] = $sign;

        //$json = json_encode($arr);

        return $arr;

    }

    //支付


    //发起支付

    public function sendpay($openid, $title, $out_trade_no, $total_fee, $notify_url)

    {

        $time = time();

        $arr = array(

            'appid' => $this->appid,

            'mch_id' => $this->mchid,

            'nonce_str' => md5($time),

            'body' => "kjhk",

            'out_trade_no' => $out_trade_no,

            'total_fee' => $total_fee,

            'spbill_create_ip' => "127.0.0.1",

            'notify_url' => $notify_url,

            'trade_type' => "JSAPI",

            'openid' => $openid,

        );

        $biaozhi ='sign';

        $arr = $this->createsign($arr,$biaozhi);

        $xml = "";

        foreach ($arr as $key=>$val) {

            $xml.="".$val."".$key.">";

        }

        $xml.="";

        $url = "https://api.mch.weixin.qq.com/pay/unifiedorder";

        $resxml =  $this->postCurlTransfer($url,$xml);

        $res = simplexml_load_string($resxml);

        $cutime = time();

        $jsapiarr=array(

            'appId'=>$this->appid,

            'timeStamp'=>"$cutime",

            'nonceStr'=>md5($cutime),

            'package'=>"prepay_id=".$res->prepay_id,

            'signType'=>"MD5",

        );

        $biaozhi = 'paySign';

        $jsapi = $this->createsign($jsapiarr,$biaozhi);

       // $jsapijson = json_encode($jsapi);

        return $jsapi;

    }

    public function getpaysign(){

        $time = time();

        $arr = array(

            'appid'=>$this->appid,

            'mch_id'=>$this->mchid,

            'nonce_str'=>md5($time),

            'body'=>"sdf",

            'out_trade_no'=>"2016".$time,

            'total_fee'=>1,

            'spbill_create_ip'=>"127.0.0.1",

            'notify_url'=>"http://www.baidu.com",

            'trade_type'=>"JSAPI",

        );

        ksort($arr);

        $string="";

        $i=1;

        foreach($arr as $key=>$val){

            if($i==1){

                $string.=$key."=".$val;

            }else{

                $string.="&".$key."=".$val;

            }

            $i++;

        }

        $string.="&key=".$this->wechatkey;

        $sign = strtoupper(md5($string));

        $arr['sign'] = $sign;

        return $arr;

    }

    function Post($curlPost,$url){

        $curl = curl_init();

        curl_setopt($curl, CURLOPT_URL, $url);

        curl_setopt($curl, CURLOPT_HEADER, false);

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

        curl_setopt($curl, CURLOPT_NOBODY, true);

        curl_setopt($curl, CURLOPT_POST, true);

        curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);

        $return_str = curl_exec($curl);

        curl_close($curl);

        return $return_str;

    }

    private function postCurlTransfer($url, $data)

    {

        $curl = curl_init();

        curl_setopt($curl, CURLOPT_URL, $url);

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

        curl_setopt($curl, CURLOPT_POST, 1);

        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

        $str = curl_exec($curl);

        curl_close($curl);


        return $str;

    }

    //发送模板消息

    public function sendtpl($openid, $url, $template_id, $content, $topcolor="#FF0000")

    {

        $arr = array(

            'touser' => $openid,

            'template_id' => $template_id,

            'url' => $url,

            'topcolor' => $topcolor,

            'data' => $content,

        );

        $arrjson = json_encode($arr);

        $accesstoken = $this->getAccessToken();

        $sendurl = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$accesstoken;

        return $this->postCurlTransfer($sendurl, $arrjson);

    }

}

上面的是微信支付简单封装

如果发起支付，请先对应好微信公众号的资料。
包括微信支付目录
我这里是
http://域名//index.php/Home/Index/
好像是这个

获取access_token的过程


/**

 * Created by PhpStorm.

 * User: sks

 * Date: 16/7/8

 * Time: 下午3:54

 */

namespace Home\Controller;

use Common\Controller\HomebaseController;

Class WeixinController extends HomebaseController{

    public function zhanshi(){

        $weixin = new \Org\Weixin;

        $code = $_GET['code'];

        $state = $_GET['state'];

        $url="";

        $userinfo = $weixin->jingmo($url, $code, $state);

        session('userinfo',$userinfo);

        if($code) {

            header("Location: $state");

        }else{

        }

    }

}

公共函数
function.php

function getuserinfo(){   //获取用户信息

    import("weixin");

    $weixin = new \Org\Weixin;

    $info = session('userinfo');

    if($info){

        return $info;

        die;

    }else {

        $state = 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

        $code = '';

        $url = 'http://' . $_SERVER['HTTP_HOST'] . U('Home/Weixin/zhanshi');

        $url = urlencode($url);

        $weixin->jingmo($url, $code, $state);

    }

}

测试支付


/**

 * Created by PhpStorm.

 * User: sks

 * Date: 16/7/8

 * Time: 下午3:29

 */

namespace Home\Controller;

use Common\Controller\HomebaseController;

use Think\Page;

Class IndexController extends HomebaseController{


    //测试支付

    public function zhifu()

    {

        $userinfo =  getuserinfo(); //获取微信用户信息调用公共函数

        $openid = $userinfo['openid'];

        $time = time();

        $title = "我要支付";

        $out_trade_no = date('Y',time()).$time.rand(1000,2000);

        $total_fee = 1;

        $notify_url = "http://域名/index.php/Home/Index/paynotify";//回调网址

        $weixin = new \Org\Weixin;

        $result = $weixin->sendpay($openid, $title, $out_trade_no, $total_fee, $notify_url);

        $this->assign('result',$result);

        $this->display();

    }

//这里是支付结果通知

    public function paynotify(){

        $weixin = new \Org\Weixin;

        $xml = file_get_contents("php://input");

        $p = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);

        $arr = $this->object_array($p);

        $out_trade_no = $arr['out_trade_no'];

        $transaction_id= $arr['transaction_id'];

        $openid = $arr['openid'];

        $sign = $arr['sign'];

        //处理支付结果

        unset($arr['sign']);

        $biaozhi = "sign";

        $ret = $weixin->createsign($arr, $biaozhi);

        if($ret['sign'] === $sign) {

            $aa = "成功";

        } else {

            $aa = "失败";

        }

        $file  = './logweixin.txt';//要写入文件的文件名（可以是任意文件名），如果文件不存在，将会创建一个

        $content = $out_trade_no."***".$transaction_id."第一次写入的内容\n";

        if($f  = file_put_contents($file, $content,FILE_APPEND)){// 这个函数支持版本(PHP 5)

                      echo "写入成功。
";

          }

    //这里处理支付结果的过程

        echo "success";

    }


    public function getaccesstoken(){

        $weixin = new \Org\Weixin;

        echo $weixin->getaccesstoken();


    }

}