第三方四方支付接口对接开发教程API集成服务通用方法
支付接口对接技术做多了以后你会发现，基本上所有的第三方第四方支付接口的基本方法流程就是这样，至于有些签名方式不一样，配制参数不一样等等按照其提供的技术文档要求修改一下即可，有不懂的可以联系。
1 //配制类，填写在支付平台获取的相关信息Q4770851 2 class Constant { 3 const USER= "QQ4770851"; 4 const MERCHNO = "ff8080816586cbd434358a66b0bc1525"; 5 const CREATE_URL = "https://xxx.com/order/create"; 6 const QUERY_URL = "https://xxx.com/order/query"; 7 const KEY = "C66604323DFA42B4864299246E04FD1B"; 8 9 } 10 //签名类，按照支付平台的规则对参数进行签名 11 class SignUtils { 12 /** = */ 13 const QSTRING_EQUAL = "="; 14 /** & */ 15 const QSTRING_SPLIT = "&"; 16 public static function signMD5($param, $merKey = \'\') { 17 ksort($param); 18 19 $arr = []; 20 foreach ($param as $key => $value) { 21 $arr[] = $key . self::QSTRING_EQUAL . $value; 22 } 23 $str = implode(self::QSTRING_SPLIT, $arr); 24 return strtoupper(md5($str . self::QSTRING_SPLIT . $merKey)); 25 } 26 } 27 28 //请求类，发起支付请求 29 class HttpUtils { 30 /** 31 * [post description] 32 * @param [type] $url [description] 33 * @param array $post [description] 34 * @return [type] [description] 35 */ 36 public static function post($url, $post = []) { 37 $headers = [ "Content-type: application/json;charset=\'utf-8\'", "Accept: application/json", "Cache-Control: no-cache", "Pragma: no-cache" ]; 38 $ch = curl_init($url); 39 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0); 40 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0); 41 curl_setopt($ch, CURLOPT_TIMEOUT, 60); 42 curl_setopt($ch, CURLOPT_POST, TRUE); 43 curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post)); 44 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 45 curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); 46 47 $data = curl_exec($ch);//CURLOPT_RETURNTRANSFER 不设置 curl_exec返回TRUE 设置 curl_exec返回json(此处) 失败都返回FALSE 48 curl_close($ch); 49 50 return $data; 51 } 52 } 53 54 // 支付正文开始，配制参数，发起请求 55 $param = []; 56 $param[\'merchno\'] = Constant::MERCHNO; 57 $param[\'out_trade_no\'] = $_POST[\'rechargeId\']; 58 $param[\'subject\'] = $_POST[\'username\']; 59 $param[\'total_amount\'] = $_POST[\'amount\']; 60 $param[\'redirect_url\'] = \'http://\'.$_SERVER[\'HTTP_HOST\'].\'/return.php\'; 61 $param[\'notify_url\'] = \'http://\'.$_SERVER[\'HTTP_HOST\'].\'/notify.php\'; 62 $param[\'sign\'] = SignUtils::signMD5($param, Constant::KEY); 63 $response = HttpUtils::post(Constant::CREATE_URL, $param); 64 $arr = json_decode($response,TRUE); 65 header("location:".$arr[\'pay_url\']); 66 --------------------- 67 作者：jeesr 68 来源：CSDN 69 原文：https://blog.csdn.net/jeesr/article/details/90639283 70 版权声明：本文为博主原创文章，转载请附上博文链接！