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[Directory](/) 2. / 3. syxwxpay/wxpay-common-fun ActiveLibrary syxwxpay/wxpay-common-fun ========================= 基于微信支付封装的方法，继承了：回调签名验证丶证书的获取丶签名的生成丶报文的解密等 0.01(4y ago)045Apache-2.0PHPPHP >= 7.1 Since Jul 28Pushed 4y ago1 watchersCompare [ Source](https://github.com/863401844/wx-pay-fun)[ Packagist](https://packagist.org/packages/syxwxpay/wxpay-common-fun)[ RSS](/packages/syxwxpay-wxpay-common-fun/feed)WikiDiscussions master Synced 2d ago READMEChangelog (1)Dependencies (2)Versions (4)Used By (0) syxwxpay/wxpay-common-fun ========================= [](#syxwxpaywxpay-common-fun) 概览 -- [](#概览) 基于[微信支付API v3](https://wechatpay-api.gitbook.io/wechatpay-api-v3/)再次封装。封装了签名生成丶回调验签丶证书中提取公钥丶报文解密等功能 项目状态 ---- [](#项目状态) 当前版本为`0.0.1`测试版本。 环境要求 ---- [](#环境要求) 我们开发和测试使用的环境如下： - PHP 7.0+ - guzzlehttp/guzzle 6.0+ - wechatpay/wechatpay-guzzle-middleware ^0.2.0 安装 -- [](#安装) 可以使用PHP包管理工具composer引入SDK到项目中： #### Composer [](#composer) 方式一：在项目目录中，通过composer命令行添加： ``` composer require syxwxpay/wxpay-common-fun ``` #### 第一步使用先引入（如用框架：例如 laravel 则不需要这一步，直接开始下面的步骤即可） [](#第一步使用先引入如用框架例如-laravel-则不需要这一步直接开始下面的步骤即可) ``` require "vendor/autoload.php"; ``` 开始 直接调用微信支付已APP支付为例 ------------------- [](#开始-直接调用微信支付已app支付为例) ``` //先加载配置文件 $data = [ 'wx_mch_id'=>'1',//商户号 'serial_no'=>'1',//api证书号(设置v3证书获得的) 'wx_APIv3'=>'1',//APIv3密钥 'wx_appid'=>'1', //微信appid 'apiclient_key'=>__DIR__.'/wxpay_key/apiclient_key.pem', //API安全->申请证书 完成步骤获得的 apiclient_key.pem文件路径 'cert'=>__DIR__.'/wxpay_key/cert.pem' //获取平台证书接口中获取的 平台证书文件路径 获取方法可查看下方的【## 获取平台证书】 ]; \WxPayFun\WxPayConfig::initConfig($data); //必须初始化 $test = new \WxPayFun\WxPayFun(); //接下来，正常使用Guzzle发起API请求 可以参照微信支付API列表进行传参 $client = $test->relatedConfig(); try{ $resp = $client->request('POST', 'https://api.mch.weixin.qq.com/v3/pay/transactions/app', [ 'json' => [ // JSON请求体 'appid' => 1, //你的appid 'mchid' => 1, //你的商户号 'description'=>$description, //商品描述 'out_trade_no'=>$out_trade_no, //订单号 'amount'=>[ 'total'=>$amount //金额分 int类型 传字符串会报错 ], 'notify_url'=>$notify_url, //回调地址 ], 'headers' => [ 'Accept' => 'application/json'] ]); //以上传参 均按照API列表下的App下单接口传参 其他支付可按照对应的接口进行传参 $body = $resp->getBody(); $resdata = json_decode($body->getContents(),true); //A生成App端唤起支付的数据 $data = [ 'appid'=>'', 'timestamp'=>time(), 'noncestr'=>$test->makeRandom(32), //生成32位的随机字符串 'prepayid'=>$resdata['prepay_id'] ]; $data['sign']= $test->dqsign($data); $data['partnerid'] = 1;//商户号 $data['package'] = 'Sign=WXPay'; //固定值 return ['error'=>0,'data'=>$data]; //0代表成功 data里的数据 就是App端要的数据 }catch (RequestException $e) { // 进行错误处理 if ($e->hasResponse()) { return ['error'=>1,'msg'=>$e->getResponse()->getBody()]; } return ['error'=>2,'msg'=>$e->getMessage()]; } //以上按照App下单为例，其他的支付方式可参照微信支付对应的文档接口 ``` 获取平台证书 ------ [](#获取平台证书) ``` $data = [ 'wx_mch_id'=>'1',//商户号 'serial_no'=>'1',//api证书号(设置v3证书获得的) 'wx_APIv3'=>'1',//APIv3密钥 'wx_appid'=>'1', //微信appid 'apiclient_key'=>__DIR__.'/wxpay_key/apiclient_key.pem', //API安全->申请证书 完成步骤获得的 apiclient_key.pem文件路径 ]; \WxPayFun\WxPayConfig::initConfig($data); //必须初始化 $test = new \WxPayFun\WxPayFun(); /** * 获取/更新 证书和编号 * @param string $filename 生成后证书文件保存路径 例如：www/wwwroot/wxce/wx_pay/ 绝对路径,生成的证书文件名为cert.pem * @return mixed 返回值为serial_no号 */ try{ // 此方法建议放入定时任务种，执行时间不 大于 24 小时 $serial_no = $test->filePutWxCert($filename); }catch (\Exception $e){ //获取失败 错误均为data中数据不正确或者权限问题 } ``` 回调验证签名 ------ [](#回调验证签名) ``` $data = [ 'cert'=>__DIR__.'/wxpay_key/cert.pem' //获取平台证书接口中获取的 平台证书文件路径 ]; \WxPayFun\WxPayConfig::initConfig($data); //必须初始化 $test = new \WxPayFun\WxPayFun(); /** * 验证回调主方法 verifySigns * @param $http_data header头的信息（微信回调发送的header头）可用getallheaders()获取 * @param $body 应答主体信息 (微信发送的数据)(未解密的数据!!!) 一个json字符串 如果出现中文乱码，必须转义 * @return int 验证成功返回 1 失败返回 0 */ $http_data = getallheaders(); $info = file_get_contents("php://input"); //如果里面有中文乱码 必须转义 $red = $test->verifySigns($http_data,$body); //验证{$red}返回 1和0即可 if($red == 1){ //你的微信逻辑 } ``` 报文解密 ---- [](#报文解密) ``` $wx_APIv3 = '1';//APIv3密钥 微信商户平台 -API安全里设置 $jm = new \WxPayFun\AesUtil($wx_APIv3); //参考例子：报文 $res = '{ "data": [ { "serial_no": "5157F09EFDC096DE15EBE81A47057A7232F1B8E1", "effective_time ": "2018-06-08T10:34:56+08:00", "expire_time ": "2018-12-08T10:34:56+08:00", "encrypt_certificate": { "algorithm": "AEAD_AES_256_GCM", "nonce": "61f9c719728a", "associated_data": "certificate", "ciphertext": "sRvt… " } }, { "serial_no": "50062CE505775F070CAB06E697F1BBD1AD4F4D87", "effective_time ": "2018-12-07T10:34:56+08:00", "expire_time ": "2020-12-07T10:34:56+08:00", "encrypt_certificate": { "algorithm": "AEAD_AES_256_GCM", "nonce": "35f9c719727b", "associated_data": "certificate", "ciphertext": "aBvt… " } } ] }'; $res = json_decode($res,true); $enc = $res['data'][0]['encrypt_certificate']; $str = $jm->decryptToString($enc['associated_data'],$enc['nonce'],$enc['ciphertext']); //解密之后的数据 ``` ### Health Score 20 — LowBetter than 14% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity8 Limited adoption so far Community7 Small or concentrated contributor base Maturity38 Early-stage or recently created project Bus Factor1 Top contributor holds 100% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. 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