[更新]php微信支付类（含h5支付、APP二次签名、jsapi支付） 博主之封装过一个微信支付类 很长时间没有更新了 现在分享一下自用的微信支付类该类含有微信app支付 h5支付 公众号支付（jsapi） 订单查询native扫码支付后面会添加异步主要商户订单号查询 并确定金额是否与数据库中一致以及判断该商户订单号是否处理过（谨记）个人觉得验签并不重要 有订单查询以及数据库订单验证就行了过多的就不介绍了 源码有注释<?php /** * @author anderyly * @email anderyly@sina.com * @link https://blog.aaayun.cc/ * @copyright Copyright (c) 2018 */ class WxPay { // 微信分配的公众账号ID public $appId; // 微信支付分配的商户号 public $mch_id; // 微信支付分配的商户密钥 public $key; // 回调地址 public $notify_url; // 随机字符串 public $nonce_str; // 站点名称 public $webName; // 站点url地址 public $webUrl; // h5支付成功后跳转的地址 public $redirect_url; /** * [__construct 初始化配置] */ public function __construct($data) { $this->appId = $data['appId']; $this->mch_id = $data['mch_id']; $this->key = $data['key']; $this->notify_url = $data['notify_url']; if (isset($data['webName'])) $this->webName = $data['webName']; if (isset($data['webUrl'])) $this->webUrl = $data['webUrl']; if (isset($data['redirect_url'])) $this->redirect_url = $data['redirect_url']; $this->nonce_str = $this->rand_code(); } /** * [h5 html5支付] * @param out_trade_no [订单号] * @param $body [商品描述] * @param $ip [ip地址] * @param $total_fee [订单总金额] * @return array|bool */ public function h5($out_trade_no, $body, $ip, $total_fee) { $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; $data = [ 'appid' => $this->appId, 'mch_id' => $this->mch_id, 'body' => $body, 'spbill_create_ip' => $ip, 'total_fee' => $total_fee * 100, 'out_trade_no' => $out_trade_no, 'nonce_str' => $this->nonce_str, 'notify_url' => $this->notify_url, 'trade_type' => 'MWEB', 'scene_info' => "{'h5_info':{'type': 'WAP','wap_url': $this->webUrl,'wap_name': $this->webName}}" ]; $data['sign'] = $this->sign($data); //获取签名 $data = $this->curlWx($url, $this->ToXml($data)); if ($data) { $res = $this->FromXml($data); if (isset($res['return_code']) and $res['return_code'] != 'SUCCESS' and isset($res['return_msg']) and $res['return_msg'] == 'OK' and isset($res['result_code']) and $res['result_code'] == 'SUCCESS') { exit("签名失败！"); } else { $url = $res['mweb_url'] . '&redirect_url=' . urlencode($this->redirect_url); exit('<script src="https://open.mobile.qq.com/sdk/qqapi.js?_bid=152"></script><script type="text/javascript">mqq.ui.openUrl({ target: 2,url: "' . $url . '"});</script>'); } } } /** * [app 移动端二次签名] * @param out_trade_no [订单号] * @param $body [商品描述] * @param $ip [ip地址] * @param $total_fee [订单总金额] * @return array|bool */ public function app($out_trade_no, $body, $ip, $total_fee) { $url = 'https://api.mch.weixin.qq.com/pay/unifiedorder'; $data = [ 'appid' => $this->appId, 'mch_id' => $this->mch_id, 'body' => $body, 'spbill_create_ip' => $ip, 'total_fee' => $total_fee * 100, 'out_trade_no' => $out_trade_no, 'nonce_str' => $this->nonce_str, 'notify_url' => $this->notify_url, 'trade_type' => 'APP', ]; $data['sign'] = $this->Sign($data); $data = $this->curlWx($url, $this->ToXml($data)); if ($data) { $res = $this->FromXml($data); if ($res['return_code'] != 'SUCCESS') { return false; } else { $arr = [ 'prepayid' => $res['prepay_id'], 'appid' => $this->appId, 'partnerid' => $this->mch_id, 'package' => 'Sign=WXPay', 'noncestr' => $this->nonce_str, 'timestamp' => time(), ]; $sign = $this->sign($arr, 1); $arr['out_trade_no'] = $out_trade_no; $arr['return_code'] = $res['return_code']; $arr['sign'] = $sign; return $arr; } } else { return false; } } /** * [h5 html5支付] * @param $out_trade_no [订单号] * @param $body [商品描述] * @param $ip [ip地址] * @param $total_fee [订单总金额] * @param $openid [授权用户的openid] * @return array|bool */ public function jsapi($out_trade_no, $body, $ip, $total_fee, $openid) { $url = 'https://api2.mch.weixin.qq.com/pay/unifiedorder'; $data = [ 'appid' => $this->appId, 'mch_id' => $this->mch_id, 'body' => $body, 'spbill_create_ip' => $ip, 'total_fee' => $total_fee * 100, 'out_trade_no' => $out_trade_no, 'nonce_str' => $this->nonce_str, 'notify_url' => $this->notify_url, 'trade_type' => 'JSAPI', 'openid' => $openid ]; $data['sign'] = $this->Sign($data, 1); $data = $this->curlWx($url, $this->ToXml($data)); if ($data) { $res = $this->FromXml($data); if ($res['return_code'] != 'SUCCESS') { return false; } else { $arr = [ 'appId' => $res['appid'], 'package' => 'prepay_id=' . $res['prepay_id'], 'nonceStr' => $this->nonce_str, 'timeStamp' => time(), 'signType' => 'MD5' ]; $sign = $this->sign($arr); $as['nonceStr'] = $arr['nonceStr']; $as['package'] = $arr['package']; $as['sign'] = $sign; $as['timestamp'] = $arr['timeStamp']; $as['appid'] = $arr['appId']; return $as; } } else { return false; } } /** * [curlWx 发送curl请求] * @param $url [url地址] * @param $xml [xml] * @return mixed */ protected function curlWx($url, $xml) { //header("Content-type:text/xml"); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); if (stripos($url, "https://") !== FALSE) { curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); } else { curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, TRUE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); } curl_setopt($ch, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_TIMEOUT, 30); curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_POSTFIELDS, $xml); $data = curl_exec($ch); curl_close($ch); return $data; } /** * [sign 签名] * @param null $app [不为null开启二次签名] * @return string */ protected function sign($params, $app = NULL) { ksort($params); foreach ($params as $key => $item) { if (!empty($item)) $newArr[] = $key . '=' . $item; } $stringA = implode("&", $newArr); $stringSignTemp = $stringA . "&key=" . $this->key; $sign = MD5($stringSignTemp); if (is_null($app)) $sign = strtoupper($sign); return $sign; } /** * [FromXml xml转数组] * @param $xml * @return bool|mixed */ public function FromXml($xml) { if (!$xml) return false; libxml_disable_entity_loader(true); $data = @json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $data; } /** * [ToXml 参数组装成xml] * @param array $data * @return bool|string */ public function ToXml($data = []) { if (!is_array($data) || count($data) <= 0) return false; $xml = "<xml>"; foreach ($data as $key => $val) { if (is_numeric($val)) { $xml .= "<" . $key . ">" . $val . "</" . $key . ">"; } else { $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">"; } } $xml .= "</xml>"; return $xml; } /** * [rand_code 生成随机字符串] * @return bool|string */ protected function rand_code() { $str = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';//62个字符 $str = str_shuffle($str); $str = substr($str, 0, 32); return $str; } /** * [orderQuery 查询订单] * @param $order [商户订单号] * @param $money [订单金额] * @return bool [false | 成功返回流水号] */ public function orderQuery($order, $money) { $url = 'https://api.mch.weixin.qq.com/pay/orderquery'; $data = array( 'appid' => $this->appId, 'mch_id' => $this->mch_id, 'nonce_str' => $this->nonce_str, 'out_trade_no' => $order ); $data['sign'] = $this->sign($data); $data = $this->curlWx($url, $this->ToXml($data)); if ($data) { $res = $this->FromXml($data); if ($res['return_code'] == 'FAIL') { return false; } else { // if (isset($res['return_code']) and $res['return_code'] == 'SUCCESS' and isset($res['return_msg']) and $res['return_msg'] == 'OK' and isset($res['result_code']) and $res['result_code'] == 'SUCCESS' and isset($res['trade_state']) and $res['trade_state'] == 'SUCCESS') { // if ($res['total_fee'] == ($money * 100)) { return $res['transaction_id']; } else { return false; } // } else { return false; } // } // } else { return false; } } }该类含有微信app支付 h5支付 公众号支付（jsapi） 订单查询native扫码支付后面会添加异步主要商户订单号查询 并确定金额是否与数据库中一致以及判断该商户订单号是否处理过（谨记）个人觉得验签并不重要 有订单查询以及数据库订单验证就行了过多的就不介绍了 源码有注释

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