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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