PHP微信V3接口万能代码

Bertha 。 2022-09-16 11:27 110阅读 0赞

# 万能代码 #

/**
         * 代码案例
         * @return string
         */
        public function down()
        {
        
            $url = 'https://api.mch.weixin.qq.com/v3/bill/tradebill?bill_date=2021-10-16&sub_mchid=123123&bill_type=ALL';
            $result = json_decode($this->getCurl($url, '', $this->createWxAuthorization($url)), true);
            if (isset($result['download_url'])) {
        
                $downurl = $result['download_url'];
                $data = $this->getCurl($downurl, '', $this->createWxAuthorization($downurl));
                var_dump($data);
            }
            return 'hello1';
        }
    
    
    /**
         * 请求微信接口
         * @param $url 请求微信V3接口地址
         * @param $data post数据
         * @param array $headers 微信V3接口签名
         * @param int $timeout 请求超时时间
         * @param string $method 请求方式
         * @return bool|string
         */
        private function getCurl($url, $data, $headers = [], $timeout = 10, $method = 'GET')
        {
        
            $curl = curl_init();
            curl_setopt($curl, CURLOPT_URL, $url);
            curl_setopt($curl, CURLOPT_HEADER, false);
            curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
            curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
            if (!empty($headers)) {
        
                curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
            }
            if ($method == 'POST') {
        
                curl_setopt($curl, CURLOPT_POST, TRUE);
                curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
            }
            $result = curl_exec($curl);
            curl_close($curl);
            return $result;
        }
    
    
        /**
         *  生成微信V3接口签名
         * @param $url 请求微信V3接口地址
         * @param string $body POST请求时 需要 转JSON字符串
         * @param string $method 请求方式
         * @return string[] 微信V3接口签名 Authorization的值
         */
        public function createWxAuthorization($url, $body = '', $method = 'GET')
        {
        
            if (!in_array('sha256WithRSAEncryption', \openssl_get_md_methods(true))) {
        
                throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
            }
            $urlParts = parse_url($url);
            $canonical_url = ($urlParts['path'] . (!empty($urlParts['query']) ? "?${
          $urlParts['query']}" : ""));
            $privateKey = ‘’;        //私钥地址
            $merchantId = '';        //商户号或者微信渠道号
            $serial_no = '';//证书编号
            $timestamp = time();        //当前时间戳
            $nonce = $this->createNoncestr();        //随机字符串
            $message = "{
          $method}\n" .
                $canonical_url . "\n" .
                $timestamp . "\n" .
                $nonce . "\n" .
                $body . "\n";
            //生成签名
            openssl_sign($message, $rawSign, openssl_get_privatekey(file_get_contents($privateKey)), 'sha256WithRSAEncryption');
            $sign = base64_encode($rawSign);
            //Authorization 类型
            $schema = 'WECHATPAY2-SHA256-RSA2048';
            //生成token
            $token = sprintf('mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"', $merchantId, $serial_no, $nonce, $timestamp, $sign);
            $header = [
                'Content-Type:application/json',
                'Accept:application/json',
                'User-Agent:*/*',
                'Authorization: ' . $schema . ' ' . $token
            ];
            return $header;
        }
    
        /**
         * 生成随机数
         * @param int $length
         * @return string
         */
        public function createNoncestr($length = 32)
        {
        
            $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
            $str = "";
            for ($i = 0; $i < $length; $i++) {
        
                $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
            }
            return $str;
        }```