基于thinkphp5框架实现微信小程序支付 退款 订单查询 退款查询操作_php实例_

 /** * 预支付请求接口(POST) * @param string $openid openid * @param string $body 商品简单描述 * @param string $order_sn 订单编号 * @param string $total_fee 金额 * @return json的数据 */ public function prepay() { tp_log('预支付请求数据===>' . json_encode($_POST), 'prepay', request()->controller()); $goods_user = db('tf_goods_user')->where(array('order_no' => $_POST['order_no']))->find(); $goods = db('tf_goods')->where(array('id' => $goods_user['goods_id']))->find(); //判断产品的数量 if (($goods['sales_initial'] - $goods['sales_actual']) <= 0) { $return['status'] = 0; $return['info'] = '此产品已售完'; exit(json_encode($return)); } $order_no = $_POST['order_no']; //订单号 $is_sale = $_POST['is_sale']; $openid = $_POST['openid']; $goods_name = $_POST['goods_name']; $pay_price = $_POST['price']; $attach['is_sale'] = $_POST['is_sale']; $attach['sale_id'] = $_POST['sale_id']; $nonce_str = $this->nonce_str();//随机字符串 $order_no_ssh = $this->get_orderssh(); //商户订单号 //组装支付数据 $data = [ 'appid' => config('pay.APPID'), 'mch_id' => config('pay.MCHID'), 'nonce_str' => $nonce_str, 'body' => $goods_name, //商品名称组合 'attach' => json_encode($attach), 'out_trade_no' => $order_no_ssh,//$order_no, //订单号 商户订单号 'total_fee' => intval($pay_price * 100), 'spbill_create_ip' => $_SERVER['REMOTE_ADDR'], 'notify_url' => config('pay.NOTIFY_URL'), 'trade_type' => 'JSAPI', 'openid' => $openid ]; //订单支付表创建订单支付数据 $p_o_data['createtime'] = time(); $p_o_data['order_no'] = $order_no; $p_o_data['order_no_ssh'] = $order_no_ssh; $p_o_data['ready'] = json_encode($data); $p_o_return = db('tf_pay_order')->insert($p_o_data); if(!$p_o_return){ //失败 $return['status'] = -1; $return['info'] = $p_o_data; exit(json_encode($return)); } // 获取签名 $sign = $this->makeSign($data); $data['sign'] = $sign; $xml = $this->toXml($data); $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; //发起支付接口链接 //发起预支付请求 $prepay_return_reslut_xml = $this->http_request($url, $xml); $xml_to_arr = $this->fromXml($prepay_return_reslut_xml); $return_result = json_encode($xml_to_arr, true); tp_log('预支付请求返回数据array===>' .$return_result , 'prepay', request()->controller()); //记录预支付返回信息 db('tf_goods_order')->where(array('order_no' => $order_no)) ->update(array( 'go_pay' => $return_result, 'updatetime' => time(), 'updateuser' => $openid )); if($xml_to_arr['return_code'] == 'SUCCESS' && $xml_to_arr['result_code'] == 'SUCCESS'){ //成功 $time = time(); //临时数组用于签名 $tmp = [ 'appId' => config('pay.APPID'), 'nonceStr' => $nonce_str, 'package' => 'prepay_id='.$xml_to_arr['prepay_id'], 'signType' => 'MD5', 'timeStamp' => "$time", ]; $data['timeStamp'] = "$time";//时间戳 $data['nonceStr'] = $nonce_str;//随机字符串 $data['signType'] = 'MD5';//签名算法，暂支持 MD5 $data['package'] = 'prepay_id='.$xml_to_arr['prepay_id'];//统一下单接口返回的 prepay_id 参数值，提交格式如：prepay_id=* $data['paySign'] = $this->makeSign($tmp);//签名,具体签名方案参见微信公众号支付帮助文档;$data['out_trade_no'] = $out_trade_no; $return['status'] = 1; $return['info'] = $data; }else{ //失败 $return['status'] = -1; $return['info'] = $xml_to_arr; } exit(json_encode($return)); } //curl请求 public function http_request($url, $data = null, $headers = array()) { $curl = curl_init(); if (count($headers) >= 1) { curl_setopt($curl, CURLOPT_HTTPHEADER, $headers); } curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); if (!empty($data)) { curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); } curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); $output = curl_exec($curl); curl_close($curl); return $output; }

 /** * 申请退款API * @param $transaction_id * @param double $total_fee 账单总金额 * @param double $refund_fee 退款金额 * @return bool * @throws BaseException */ public function refund() { $transaction_id = '4200000712202007274705432240'; $total_fee = '0.01'; $refund_fee = '0.01'; // 当前时间 $time = time(); // 生成随机字符串 $nonceStr = md5($time . $transaction_id . $total_fee . $refund_fee); // API参数 $params = [ 'appid' => config('pay.APPID'), 'mch_id' => config('pay.MCHID'), 'nonce_str' => $nonceStr, 'transaction_id' => $transaction_id, 'out_refund_no' => $time, 'total_fee' => $total_fee * 100, 'refund_fee' => $refund_fee * 100, 'notify_url' => config('pay.NOTIFY_URL_REFUND'),//退款回调地址 ]; // 生成签名 $params['sign'] = $this->makeSign($params); tp_log('退款请求数据===>' . json_encode($params), 'refund', request()->controller()); // 请求API $url = 'https://api.mch.weixin.qq.com/secapi/pay/refund'; $result = $this->post($url, $this->toXml($params), true, $this->getCertPem()); $prepay = $this->fromXml($result); // 请求失败 if (empty($result)) { throw new BaseException(['msg' => '微信退款api请求失败']); } // 格式化返回结果 $prepay = $this->fromXml($result); tp_log('退款返回数据===>' . json_encode($prepay), 'refund', request()->controller()); // 请求失败 // if ($prepay['return_code'] === 'FAIL') { // throw new BaseException(['msg' => 'return_msg: ' . $prepay['return_msg']]); // } // if ($prepay['result_code'] === 'FAIL') { // throw new BaseException(['msg' => 'err_code_des: ' . $prepay['err_code_des']]); // } return true; } /** * 模拟POST请求 * @param $url * @param array $data * @param bool $useCert * @param array $sslCert * @return mixed */ public function post($url, $data = [], $useCert = false, $sslCert = []) { $header = [ 'Content-type: application/json;' ]; $curl = curl_init(); //如果有配置代理这里就设置代理 // if(WxPayConfig::CURL_PROXY_HOST != "0.0.0.0" // && WxPayConfig::CURL_PROXY_PORT != 0){ // curl_setopt($ch,CURLOPT_PROXY, WxPayConfig::CURL_PROXY_HOST); // curl_setopt($ch,CURLOPT_PROXYPORT, WxPayConfig::CURL_PROXY_PORT); // } curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_HTTPHEADER, $header); curl_setopt($curl, CURLOPT_HEADER, false); curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_POST, TRUE); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); if ($useCert == true) { // 设置证书：cert 与 key 分别属于两个.pem文件 curl_setopt($curl, CURLOPT_SSLCERTTYPE, 'PEM'); curl_setopt($curl, CURLOPT_SSLCERT, $sslCert['certPem']); curl_setopt($curl, CURLOPT_SSLKEYTYPE, 'PEM'); curl_setopt($curl, CURLOPT_SSLKEY, $sslCert['keyPem']); } $result = curl_exec($curl); curl_close($curl); return $result; }

 /** * 订单查询 * @param $out_trade_no * @return mixed * @throws BaseException */ public function orderquery() { $transaction_id = '4200000712202007274705432240';//微信订单号 // 当前时间 $time = time(); // 生成随机字符串 $nonce_str = md5($time . mt_rand(00000,99999)); //API参数 $params = [ 'appid' => config('pay.APPID'), //公众号ID 'mch_id' => config('pay.MCHID'), //商户号 'transaction_id' => $transaction_id, //商户订单号 'nonce_str' => $nonce_str, // 随机字符串 ]; //生成签名 $params['sign'] = $this->makeSign($params); //请求API $url = 'https://api.mch.weixin.qq.com/pay/orderquery'; $result = $this->post($url, $this->toXml($params)); $prepay = $this->fromXml($result); // 请求失败 if ($prepay['return_code'] === 'FAIL') { throw new BaseException(['msg' => $prepay['return_msg'], 'code' => 0]); } if ($prepay['result_code'] === 'FAIL') { throw new BaseException(['msg' => $prepay['err_code_des'], 'code' => 0]); } return $prepay; }

 /** * 退款查询 * @param $out_trade_no * @return mixed * @throws BaseException */ public function refundquery() { $transaction_id = '4200000712202007274705432240';//微信订单号 // 当前时间 $time = time(); // 生成随机字符串 $nonce_str = md5($time . mt_rand(00000,99999)); //API参数 $params = [ 'appid' => config('pay.APPID'), //公众号ID 'mch_id' => config('pay.MCHID'), //商户号 'transaction_id' => $transaction_id, //商户订单号 'nonce_str' => $nonce_str, // 随机字符串 ]; //生成签名 $params['sign'] = $this->makeSign($params); //请求API $url = 'https://api.mch.weixin.qq.com/pay/refundquery'; $result = $this->post($url, $this->toXml($params)); $prepay = $this->fromXml($result); dump($prepay);die; // 请求失败 if ($prepay['return_code'] === 'FAIL') { throw new BaseException(['msg' => $prepay['return_msg'], 'code' => 0]); } if ($prepay['result_code'] === 'FAIL') { throw new BaseException(['msg' => $prepay['err_code_des'], 'code' => 0]); } return $prepay; }

 public function index() { $data = file_get_contents('php://input'); $data = $this->FromXml($data); tp_log('支付回调数据===>' . json_encode($data), 'index', request()->controller()); // 保存微信服务器返回的签名sign $data_sign = $data['sign']; // sign不参与签名算法 unset($data['sign']); $sign = $this->makeSign($data);//回调验证签名 $str_success = ''; $str_error = ''; if (($sign === $data_sign) && ($data['return_code'] == 'SUCCESS') && ($data['result_code'] == 'SUCCESS')) { // 支付成功 进行你的逻辑处理 } echo $str_success;//str_error 告知微信 你已的逻辑处理完毕 不用再推送或再次推送你结果 }

 /* * 小程序 退款结果通知 */ public function refund(){ $data = file_get_contents('php://input'); $data = $this->FromXml($data); tp_log('退款回调数据===>' . json_encode($data), 'refund', request()->controller()); //对加密的字符串解密 $req_info_xml = openssl_decrypt(base64_decode($data['req_info']), 'aes-256-ecb', md5(config('pay.KEY')),OPENSSL_RAW_DATA); $req_info = $this->FromXml($req_info_xml); // // 保存微信服务器返回的签名sign // $data_sign = $data['sign']; // // sign不参与签名算法 // unset($data['sign']); // $sign = $this->makeSign($data);//回调验证签名 // // $str_success = ''; // $str_error = ''; // // // // if (($sign === $data_sign) && ($data['return_code'] == 'SUCCESS') && ($data['r
                
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