php实现微信原生支付(扫码支付)功能
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2022-05-14 07:53:54
网上的很多php微信扫码支付接入教程都颇为复杂,且需要配置和引入较多的文件,本人通过整理后给出一个单文件版的,只有200行代码,希望可以给各位想接入微信扫码支付的带来些许帮...
网上的很多php微信扫码支付接入教程都颇为复杂,且需要配置和引入较多的文件,本人通过整理后给出一个单文件版的,只有200行代码,希望可以给各位想接入微信扫码支付的带来些许帮助和借鉴意义。
直接运行该文件即可得到一个支付二维码的图片。
需要注意的事项:
1.该文件需放到支付授权目录下,可以在微信支付商户平台->产品中心->开发配置中设置。
2.如提示签名错误可以通过微信支付签名验证工具进行验证:
代码如下:
<?php header('content-type:text/html; charset=utf-8'); $mchid = 'xxxxx'; //微信支付商户号 partnerid 通过微信支付商户资料审核后邮件发送 $appid = 'xxxxx'; //公众号appid 通过微信支付商户资料审核后邮件发送 $apikey = 'xxxxx'; //https://pay.weixin.qq.com 帐户设置-安全设置-api安全-api密钥-设置api密钥 $wxpay = new wxpayservice($mchid,$appid,$apikey); $outtradeno = uniqid(); //你自己的商品订单号 $payamount = 0.01; //付款金额,单位:元 $ordername = '支付测试'; //订单标题 $notifyurl = 'https://www.xxx.com/wx/'; //付款成功后的回调地址(不要有问号) $paytime = time(); //付款时间 $arr = $wxpay->createjsbizpackage($payamount,$outtradeno,$ordername,$notifyurl,$paytime); //生成二维码 $url = 'http://qr.liantu.com/api.php?text='.$arr['code_url']; echo "<img src='{$url}' style='width:300px;'>"; class wxpayservice { protected $mchid; protected $appid; protected $apikey; public function __construct($mchid, $appid, $key) { $this->mchid = $mchid; $this->appid = $appid; $this->apikey = $key; } /** * 发起订单 * @param float $totalfee 收款总费用 单位元 * @param string $outtradeno 唯一的订单号 * @param string $ordername 订单名称 * @param string $notifyurl 支付结果通知url 不要有问号 * @param string $timestamp 订单发起时间 * @return array */ public function createjsbizpackage($totalfee, $outtradeno, $ordername, $notifyurl, $timestamp) { $config = array( 'mch_id' => $this->mchid, 'appid' => $this->appid, 'key' => $this->apikey, ); $ordername = iconv('gbk','utf-8',$ordername); $unified = array( 'appid' => $config['appid'], 'attach' => 'pay', //商家数据包,原样返回,如果填写中文,请注意转换为utf-8 'body' => $ordername, 'mch_id' => $config['mch_id'], 'nonce_str' => self::createnoncestr(), 'notify_url' => $notifyurl, 'out_trade_no' => $outtradeno, 'spbill_create_ip' => '127.0.0.1', 'total_fee' => intval($totalfee * 100), //单位 转为分 'trade_type' => 'native', ); $unified['sign'] = self::getsign($unified, $config['key']); $responsexml = self::curlpost('https://api.mch.weixin.qq.com/pay/unifiedorder', self::arraytoxml($unified)); $unifiedorder = simplexml_load_string($responsexml, 'simplexmlelement', libxml_nocdata); if ($unifiedorder === false) { die('parse xml error'); } if ($unifiedorder->return_code != 'success') { die($unifiedorder->return_msg); } if ($unifiedorder->result_code != 'success') { die($unifiedorder->err_code); } $codeurl = (array)($unifiedorder->code_url); if(!$codeurl[0]) exit('get code_url error'); $arr = array( "appid" => $config['appid'], "timestamp" => $timestamp, "noncestr" => self::createnoncestr(), "package" => "prepay_id=" . $unifiedorder->prepay_id, "signtype" => 'md5', "code_url" => $codeurl[0], ); $arr['paysign'] = self::getsign($arr, $config['key']); return $arr; } public function notify() { $config = array( 'mch_id' => $this->mchid, 'appid' => $this->appid, 'key' => $this->apikey, ); $poststr = $globals["http_raw_post_data"]; $postobj = simplexml_load_string($poststr, 'simplexmlelement', libxml_nocdata); if ($postobj === false) { die('parse xml error'); } if ($postobj->return_code != 'success') { die($postobj->return_msg); } if ($postobj->result_code != 'success') { die($postobj->err_code); } $arr = (array)$postobj; unset($arr['sign']); if (self::getsign($arr, $config['key']) == $postobj->sign) { echo '<xml><return_code><![cdata[success]]></return_code><return_msg><![cdata[ok]]></return_msg></xml>'; return $postobj; } } /** * curl get * * @param string $url * @param array $options * @return mixed */ public static function curlget($url = '', $options = array()) { $ch = curl_init($url); curl_setopt($ch, curlopt_returntransfer, 1); curl_setopt($ch, curlopt_timeout, 30); if (!empty($options)) { curl_setopt_array($ch, $options); } //https请求 不验证证书和host curl_setopt($ch, curlopt_ssl_verifypeer, false); curl_setopt($ch, curlopt_ssl_verifyhost, false); $data = curl_exec($ch); curl_close($ch); return $data; } public static function curlpost($url = '', $postdata = '', $options = array()) { if (is_array($postdata)) { $postdata = http_build_query($postdata); } $ch = curl_init(); curl_setopt($ch, curlopt_url, $url); curl_setopt($ch, curlopt_returntransfer, 1); curl_setopt($ch, curlopt_post, 1); curl_setopt($ch, curlopt_postfields, $postdata); curl_setopt($ch, curlopt_timeout, 30); //设置curl允许执行的最长秒数 if (!empty($options)) { curl_setopt_array($ch, $options); } //https请求 不验证证书和host curl_setopt($ch, curlopt_ssl_verifypeer, false); curl_setopt($ch, curlopt_ssl_verifyhost, false); $data = curl_exec($ch); curl_close($ch); return $data; } public static function createnoncestr($length = 16) { $chars = 'abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz0123456789'; $str = ''; for ($i = 0; $i < $length; $i++) { $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1); } return $str; } public static function arraytoxml($arr) { $xml = "<xml>"; foreach ($arr as $key => $val) { if (is_numeric($val)) { $xml .= "<" . $key . ">" . $val . "</" . $key . ">"; } else $xml .= "<" . $key . "><![cdata[" . $val . "]]></" . $key . ">"; } $xml .= "</xml>"; return $xml; } /** * 获取签名 */ public static function getsign($params, $key) { ksort($params, sort_string); $unsignparastring = self::formatqueryparamap($params, false); $signstr = strtoupper(md5($unsignparastring . "&key=" . $key)); return $signstr; } protected static function formatqueryparamap($paramap, $urlencode = false) { $buff = ""; ksort($paramap); foreach ($paramap as $k => $v) { if (null != $v && "null" != $v) { if ($urlencode) { $v = urlencode($v); } $buff .= $k . "=" . $v . "&"; } } $reqpar = ''; if (strlen($buff) > 0) { $reqpar = substr($buff, 0, strlen($buff) - 1); } return $reqpar; } }
github下载地址:weixinpay
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