微信H5支付(公司專案筆記)
阿新 • • 發佈:2018-12-30
1.跳轉後臺
mui.openWindow({ url: "後臺網址PayH5.php?payMoney=" + n + "&buyContent=" + buyContent + "&uid=" + uid, waiting: { autoShow: true, //自動顯示等待框,預設為true title: '正在載入支付頁面......', //等待對話方塊上顯示的提示內容 } })
2.配置引數 統一下單
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<?php require_once ("wechatAppPay.class.php"); //以下引數是微信公眾號引數,登入微信公眾平臺和商戶平臺就可以拿到 //微信公眾號需要設定網頁授權域名,新增支付目錄,業務域名,js安全域名 define('APPID','公眾號的appid'); define('APIKEY','公眾號的apikey'); define('MCH_ID','商戶號'); define('NOTIFY_URL','回撥地址'); //生成隨機字串 function getNonceNum($numLen=16){ $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; $str = ""; for ($i = 0; $i < $numLen; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } function getOrderId() { //日期:10位 timestamp $datetime = time(); //隨機數 $newnum = getNonceNums(); return $datetime . $newnum; } //生成隨機數字 function getNonceNums($numLen=4){ $chars = "0123456789"; $str = ""; for ($i = 0; $i < $numLen; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } //獲取使用者ip地址 function getClientIp(){ if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) { $ip = getenv('HTTP_CLIENT_IP'); } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) { $ip = getenv('HTTP_X_FORWARDED_FOR'); } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) { $ip = getenv('REMOTE_ADDR'); } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) { $ip = $_SERVER['REMOTE_ADDR']; } return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : ''; } $getNonceNumstring = getNonceNum();//隨機數 $out_trade_no = getOrderId();//生成訂單號 $ip = getClientIp();//取客戶端IP $payMoney = $_GET['payMoney']; $uid = $_GET['uid']; $buyContent = $_GET['buyContent']; // 連線資料庫 $dbms = 'mysql'; $dbName = '資料庫名'; $user = '使用者名稱'; $pwd = '密碼'; $host = 'host'; $charset = 'utf8'; $dsn = "$dbms:host=$host;dbname=$dbName;charset=$charset"; $pdo = new mysqli($host, $user, $pwd,$dbName); //if ($pdo->connect_error) { // die("Connect Failed: " . $pdo->connect_error); //} // //echo "Connected Success!"; //更新資料庫 $sql = "INSERT INTO ldd_withdraw (id,uid,amount,paytype,type,pay_result,out_trade_no) VALUES (uuid(),'$uid', $payMoney,2,1,0,$out_trade_no)"; if ($pdo->query($sql) === true) { echo "Table guests insert Successfully"; } else { echo "Create Error: " . $sql . "<br>" . $pdo->error; } $pdo->close(); //統一下單引數 $param['appid'] = APPID; $param['mch_id'] = MCH_ID; $param['nonce_str'] = $getNonceNumstring; $param['body'] = $buyContent; $param['out_trade_no'] = $out_trade_no; $param['total_fee'] = 1; $param['spbill_create_ip'] = $ip; $param['notify_url'] = NOTIFY_URL; $param['trade_type'] = "MWEB"; //H5 支付型別 $wechatAppPay = new wechatAppPay(APPID, MCH_ID, NOTIFY_URL, APIKEY);//例項化微信支付類物件 $sign = $wechatAppPay->MakeSign($param);//生成支付簽名 $result = $wechatAppPay->unifiedOrder( $param );; // result中就是返回的各種資訊 //如果下單成功會返回如下資訊,這裡已經轉成了陣列,按陣列的方式操作就可以了。 $tiaozhuanurl = $result['mweb_url']."&redirect_url=https://luoluotech.com/lddClient/html/pages/wode.html"; echo $tiaozhuanurl; //redirect_url 為支付成功或取消支付之後跳轉的地址 ?> <script> window.location.href='<?php echo $tiaozhuanurl;?>' </script>
3.框架
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<?php /** * 微信支付伺服器端下單 * 微信APP支付文件地址: https://pay.weixin.qq.com/wiki/doc/api/app.php?chapter=8_6 * 使用示例 * 構造方法引數 * 'appid' => //填寫微信分配的公眾賬號ID * 'mch_id' => //填寫微信支付分配的商戶號 * 'notify_url'=> //填寫微信支付結果回撥地址 * 'key' => //填寫微信商戶支付金鑰 * ); * 統一下單方法 * $WechatAppPay = new wechatAppPay($options); * $params['body'] = '商品描述'; //商品描述 * $params['out_trade_no'] = '1217752501201407'; //自定義的訂單號,不能重複 * $params['total_fee'] = '100'; //訂單金額 只能為整數 單位為分 * $params['trade_type'] = 'APP'; //交易型別 JSAPI | NATIVE |APP | WAP * $wechatAppPay->unifiedOrder( $params ); 新版微信支付(APP支付)沒有了服務端demo,並且老版本的php服務端demo也不能使用了,需要商戶自己開發來實現。 仔細看了下微信支付提供的介面說明,開發起來也不是那麼複雜,完全可以把這些放到一個php中,後續方便其他專案的呼叫。 參考了csdn的一篇文章及下載資料,先把php程式碼貼出來。 */ class wechatAppPay { //介面API URL字首 const API_URL_PREFIX = 'https://api.mch.weixin.qq.com'; //下單地址URL const UNIFIEDORDER_URL = "/pay/unifiedorder"; //查詢訂單URL const ORDERQUERY_URL = "/pay/orderquery"; //關閉訂單URL const CLOSEORDER_URL = "/pay/closeorder"; //公眾賬號ID private $appid; //商戶號 private $mch_id; //隨機字串 private $nonce_str; //簽名 private $sign; //商品描述 private $body; //微信使用者號 private $openid; //商戶訂單號 private $out_trade_no; //支付總金額 private $total_fee; //終端IP private $spbill_create_ip; //支付結果回撥通知地址 private $notify_url; //交易型別 private $trade_type; //支付金鑰 private $key; //證書路徑 private $SSLCERT_PATH; private $SSLKEY_PATH; //所有引數 private $params = array(); public function __construct($appid, $mch_id, $notify_url, $key) { $this->appid = $appid; $this->mch_id = $mch_id; $this->notify_url = $notify_url; $this->key = $key; } /** * 下單方法 * @param $params 下單引數 */ public function unifiedOrder( $params ){ $this->body = $params['body']; $this->out_trade_no = $params['out_trade_no']; $this->total_fee = $params['total_fee']; $this->trade_type = $params['trade_type']; $this->nonce_str = $this->genRandomString(); $this->spbill_create_ip = $params['spbill_create_ip']; // $this->openid = $params['openid']; $this->params['appid'] = $this->appid; $this->params['mch_id'] = $this->mch_id; $this->params['nonce_str'] = $this->nonce_str; $this->params['body'] = $this->body; $this->params['out_trade_no'] = $this->out_trade_no; $this->params['total_fee'] = $this->total_fee; $this->params['spbill_create_ip'] = $this->spbill_create_ip; $this->params['notify_url'] = $this->notify_url; $this->params['trade_type'] = $this->trade_type; //獲取簽名資料 $this->sign = $this->MakeSign( $this->params ); $this->params['sign'] = $this->sign; $xml = $this->data_to_xml($this->params); $myfile = fopen("xml.txt", "a") or die("Unable to open file!"); fwrite($myfile, date('Y-m-d H:i:s').'\r\n'.$xml."\r\n"); fclose($myfile); $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::UNIFIEDORDER_URL); if( !$response ){ return false; } $result = $this->xml_to_data( $response ); $myfile = fopen("xml.txt", "a") or die("Unable to open file!"); fwrite($myfile, date('Y-m-d H:i:s').'\r\n'.$response."\r\n"); fclose($myfile); if( !empty($result['result_code']) && !empty($result['err_code']) ){ $result['err_msg'] = $this->error_code( $result['err_code'] ); } return $result; } /** * 查詢訂單資訊 * @param $out_trade_no 訂單號 * @return array */ public function orderQuery( $out_trade_no ){ $this->params['appid'] = $this->appid; $this->params['mch_id'] = $this->mch_id; $this->params['nonce_str'] = $this->genRandomString(); $this->params['out_trade_no'] = $out_trade_no; //獲取簽名資料 $this->sign = $this->MakeSign( $this->params ); $this->params['sign'] = $this->sign; $xml = $this->data_to_xml($this->params); $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::ORDERQUERY_URL); if( !$response ){ return false; } $result = $this->xml_to_data( $response ); if( !empty($result['result_code']) && !empty($result['err_code']) ){ $result['err_msg'] = $this->error_code( $result['err_code'] ); } return $result; } /** * 關閉訂單 * @param $out_trade_no 訂單號 * @return array */ public function closeOrder( $out_trade_no ){ $this->params['appid'] = $this->appid; $this->params['mch_id'] = $this->mch_id; $this->params['nonce_str'] = $this->genRandomString(); $this->params['out_trade_no'] = $out_trade_no; //獲取簽名資料 $this->sign = $this->MakeSign( $this->params ); $this->params['sign'] = $this->sign; $xml = $this->data_to_xml($this->params); $response = $this->postXmlCurl($xml, self::API_URL_PREFIX.self::CLOSEORDER_URL); if( !$response ){ return false; } $result = $this->xml_to_data( $response ); return $result; } /** * * 獲取支付結果通知資料 * return array */ public function getNotifyData(){ //獲取通知的資料 $xml = $GLOBALS['HTTP_RAW_POST_DATA']; $data = array(); if( empty($xml) ){ return false; } $data = $this->xml_to_data( $xml ); if( !empty($data['return_code']) ){ if( $data['return_code'] == 'FAIL' ){ return false; } } return $data; } /** * 接收通知成功後應答輸出XML資料 * @param string $xml */ public function replyNotify(){ $data['return_code'] = 'SUCCESS'; $data['return_msg'] = 'OK'; $xml = $this->data_to_xml( $data ); echo $xml; die(); } /** * 生成APP端支付引數 * @param $prepayid 預支付id */ public function getAppPayParams( $prepayid ){ $data['appid'] = $this->appid; $data['partnerid'] = $this->mch_id; $data['prepayid'] = $prepayid; $data['package'] = 'Sign=WXPay'; $data['noncestr'] = $this->genRandomString(); $data['timestamp'] = time(); $data['sign'] = $this->MakeSign( $data ); return $data; } /** * 生成簽名 * @return 簽名 */ public function MakeSign( $params ){ //簽名步驟一:按字典序排序陣列引數 ksort($params); $string = $this->ToUrlParams($params); //簽名步驟二:在string後加入KEY $string = $string . "&key=".$this->key; //簽名步驟三:MD5加密 $string = md5($string); //簽名步驟四:所有字元轉為大寫 $result = strtoupper($string); return $result; } /** * 將引數拼接為url: key=value&key=value * @param $params * @return string */ public function ToUrlParams( $params ){ $string = ''; if( !empty($params) ){ $array = array(); foreach( $params as $key => $value ){ $array[] = $key.'='.$value; } $string = implode("&",$array); } return $string; } /** * 輸出xml字元 * @param $params 引數名稱 * return string 返回組裝的xml **/ public function data_to_xml( $params ){ if(!is_array($params)|| count($params) <= 0) { return false; } $xml = "<xml>"; foreach ($params as $key=>$val) { if (is_numeric($val)){ $xml.="<".$key.">".$val."</".$key.">"; }else{ $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } } $xml.="</xml>"; return $xml; } /** * 將xml轉為array * @param string $xml * return array */ public function xml_to_data($xml){ if(!$xml){ return false; } //將XML轉為array //禁止引用外部xml實體 libxml_disable_entity_loader(true); $data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $data; } /** * 獲取毫秒級別的時間戳 */ private static function getMillisecond(){ //獲取毫秒的時間戳 $time = explode ( " ", microtime () ); $time = $time[1] . ($time[0] * 1000); $time2 = explode( ".", $time ); $time = $time2[0]; return $time; } /** * 產生一個指定長度的隨機字串,並返回給使用者 * @param type $len 產生字串的長度 * @return string 隨機字串 */ private function genRandomString($len = 32) { $chars = array( "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" ); $charsLen = count($chars) - 1; // 將陣列打亂 shuffle($chars); $output = ""; for ($i = 0; $i < $len; $i++) { $output .= $chars[mt_rand(0, $charsLen)]; } return $output; } /** * 以post方式提交xml到對應的介面url * * @param string $xml 需要post的xml資料 * @param string $url url * @param bool $useCert 是否需要證書,預設不需要 * @param int $second url執行超時時間,預設30s * @throws WxPayException */ private function postXmlCurl($xml, $url, $useCert = false, $second = 30){ $ch = curl_init(); //設定超時 curl_setopt($ch, CURLOPT_TIMEOUT, $second); curl_setopt($ch,CURLOPT_URL, $url); curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,2); //設定header curl_setopt($ch, CURLOPT_HEADER, FALSE); //要求結果為字串且輸出到螢幕上 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); if($useCert == true){ //設定證書 //使用證書:cert 與 key 分別屬於兩個.pem檔案 curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM'); //curl_setopt($ch,CURLOPT_SSLCERT, WxPayConfig::SSLCERT_PATH); curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM'); //curl_setopt($ch,CURLOPT_SSLKEY, WxPayConfig::SSLKEY_PATH); } //post提交方式 curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml); //執行curl $data = curl_exec($ch); //返回結果 if($data){ curl_close($ch); return $data; } else { $error = curl_errno($ch); curl_close($ch); return false; } } /** * 錯誤程式碼 * @param $code 伺服器輸出的錯誤程式碼 * return string */ public function error_code( $code ){ $errList = array( 'NOAUTH' => '商戶未開通此介面許可權', 'NOTENOUGH' => '使用者帳號餘額不足', 'ORDERNOTEXIST' => '訂單號不存在', 'ORDERPAID' => '商戶訂單已支付,無需重複操作', 'ORDERCLOSED' => '當前訂單已關閉,無法支付', 'SYSTEMERROR' => '系統錯誤!系統超時', 'APPID_NOT_EXIST' => '引數中缺少APPID', 'MCHID_NOT_EXIST' => '引數中缺少MCHID', 'APPID_MCHID_NOT_MATCH' => 'appid和mch_id不匹配', 'LACK_PARAMS' => '缺少必要的請求引數', 'OUT_TRADE_NO_USED' => '同一筆交易不能多次提交', 'SIGNERROR' => '引數簽名結果不正確', 'XML_FORMAT_ERROR' => 'XML格式錯誤', 'REQUIRE_POST_METHOD' => '未使用post傳遞引數 ', 'POST_DATA_EMPTY' => 'post資料不能為空', 'NOT_UTF8' => '未使用指定編碼格式', ); if( array_key_exists( $code , $errList ) ){ return $errList[$code]; } } }