You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
249 lines
7.3 KiB
249 lines
7.3 KiB
<?php
|
|
/**
|
|
* Comment: 小程序微信支付功能
|
|
* Author: ZZW
|
|
* Date: 2018/9/25
|
|
* Time: 11:43
|
|
*/
|
|
defined('IN_IA') or exit('Access Denied');
|
|
|
|
class WeChatPay {
|
|
protected $appid;//小程序appid
|
|
protected $openid;//用户openid
|
|
protected $mch_id;//商户id
|
|
protected $key;//商户支付key
|
|
protected $out_trade_no;//订单号
|
|
protected $body;//商品简单描述
|
|
protected $total_fee;//订单总金额（单位：分）
|
|
|
|
/**
|
|
* Comment: 统一下单接口
|
|
* Author: zzw
|
|
* @param $mid 用户id
|
|
* @param $orderNum 订单号
|
|
* @param $goodDescribe 商品描述
|
|
* @param $fee 实际支付金额
|
|
* @return array
|
|
*/
|
|
public static function pay($mid, $orderNum, $goodDescribe, $fee) {
|
|
$pay = new WeChatPay();
|
|
//更新受保护的数据
|
|
$pay->getCode($mid, $orderNum, $goodDescribe, $fee);
|
|
//开始支付数据的操作
|
|
$return = $pay->weixinapp();
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Comment: 更新数据
|
|
* Author: zzw
|
|
* @param $mid 用户id
|
|
* @param $orderNum 订单号
|
|
* @param $goodDescribe 商品描述
|
|
* @param $fee 实际支付金额
|
|
*/
|
|
private function getCode($mid, $orderNum, $goodDescribe, $fee) {
|
|
$set = unserialize(pdo_getcolumn(PDO_NAME . "setting", array('key' => 'city_selection_set'), 'value'));
|
|
$this->appid = $set['appid'];//appid
|
|
$this->openid = pdo_getcolumn(PDO_NAME . "member", array('id' => $mid), array('wechat_openid')); //openid
|
|
$this->mch_id = $set['mch_id'];//mch_id 商户id
|
|
$this->key = $set['pay_key'];//key 支付key
|
|
$this->out_trade_no = $orderNum; //out_trade_no 订单号
|
|
$this->body = $goodDescribe; //body 商品描述
|
|
$this->total_fee = $fee; //total_fee 实际支付总金额
|
|
}
|
|
|
|
/**
|
|
* Comment: 微信小程序接口
|
|
* Author: zzw
|
|
* @return array
|
|
*/
|
|
private function weixinapp() {
|
|
//统一下单接口
|
|
$unifiedorder = $this->unifiedorder();
|
|
$parameters = array(
|
|
'appId' => $this->appid, //小程序ID
|
|
'timeStamp' => '' . time() . '', //时间戳
|
|
'nonceStr' => $this->createNoncestr(), //随机串
|
|
'package' => 'prepay_id=' . $unifiedorder['prepay_id'], //数据包
|
|
'signType' => 'MD5'//签名方式
|
|
);
|
|
//签名
|
|
$parameters['paySign'] = $this->getSign($parameters);
|
|
return $parameters;
|
|
}
|
|
|
|
/**
|
|
* Comment: 统一下单接口
|
|
* Author: zzw
|
|
* @return mixed
|
|
*/
|
|
private function unifiedorder() {
|
|
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
|
|
$parameters = array(
|
|
'appid' => $this->appid, //小程序ID
|
|
'mch_id' => $this->mch_id, //商户号
|
|
'nonce_str' => $this->createNoncestr(), //随机字符串
|
|
'body' => $this->body,//商品描述
|
|
'out_trade_no' => $this->out_trade_no,//商户订单号
|
|
'total_fee' => $this->total_fee * 100,//总金额 单位 分
|
|
'notify_url' => 'http://www.weixin.qq.com/wxpay/pay.php',//通知地址 确保外网能正常访问
|
|
'openid' => $this->openid, //用户id
|
|
'trade_type' => 'JSAPI'//交易类型
|
|
);
|
|
|
|
//统一下单签名
|
|
$parameters['sign'] = $this->getSign($parameters);
|
|
$xmlData = $this->arrayToXml($parameters);
|
|
$return = $this->xmlToArray($this->postXmlCurl($xmlData, $url, 60));
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Comment: 请求获取支付数据
|
|
* Author: zzw
|
|
* @param $xml
|
|
* @param $url
|
|
* @param int $second
|
|
* @return mixed
|
|
*/
|
|
private static function postXmlCurl($xml, $url, $second = 30) {
|
|
$ch = curl_init();
|
|
//设置超时
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, $second);
|
|
curl_setopt($ch, CURLOPT_URL, $url);
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
|
|
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
|
|
//设置header
|
|
curl_setopt($ch, CURLOPT_HEADER, FALSE);
|
|
//要求结果为字符串且输出到屏幕上
|
|
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
|
|
//post提交方式
|
|
curl_setopt($ch, CURLOPT_POST, TRUE);
|
|
curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);
|
|
|
|
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
|
|
curl_setopt($ch, CURLOPT_TIMEOUT, 40);
|
|
set_time_limit(0);
|
|
|
|
//运行curl
|
|
$data = curl_exec($ch);
|
|
//返回结果
|
|
if ($data) {
|
|
curl_close($ch);
|
|
return $data;
|
|
} else {
|
|
$error = curl_errno($ch);
|
|
curl_close($ch);
|
|
return "curl出错，错误码:$error";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Comment: 数组转换成xml
|
|
* Author: zzw
|
|
* @param $arr
|
|
* @return string
|
|
*/
|
|
private function arrayToXml($arr) {
|
|
$xml = "<root>";
|
|
foreach ($arr as $key => $val) {
|
|
if (is_array($val)) {
|
|
$xml .= "<" . $key . ">" . arrayToXml($val) . "</" . $key . ">";
|
|
} else {
|
|
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
|
|
}
|
|
}
|
|
$xml .= "</root>";
|
|
return $xml;
|
|
}
|
|
|
|
/**
|
|
* Comment: xml转换成数组
|
|
* Author: zzw
|
|
* @param $xml
|
|
* @return mixed
|
|
*/
|
|
private function xmlToArray($xml) {
|
|
|
|
|
|
//禁止引用外部xml实体
|
|
|
|
|
|
libxml_disable_entity_loader(true);
|
|
|
|
|
|
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
|
|
|
|
|
|
$val = json_decode(json_encode($xmlstring), true);
|
|
|
|
|
|
return $val;
|
|
}
|
|
|
|
/**
|
|
* Comment: 产生随机字符串，不长于32位
|
|
* Author: zzw
|
|
* @param int $length
|
|
* @return string
|
|
*/
|
|
private function createNoncestr($length = 32) {
|
|
$chars = "abcdefghijklmnopqrstuvwxyz0123456789";
|
|
$str = "";
|
|
for ($i = 0; $i < $length; $i++) {
|
|
$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
|
|
}
|
|
return $str;
|
|
}
|
|
|
|
/**
|
|
* Comment: 生成签名
|
|
* Author: zzw
|
|
* @param $Obj
|
|
* @return string
|
|
*/
|
|
private function getSign($Obj) {
|
|
foreach ($Obj as $k => $v) {
|
|
$Parameters[$k] = $v;
|
|
}
|
|
//签名步骤一：按字典序排序参数
|
|
ksort($Parameters);
|
|
$String = $this->formatBizQueryParaMap($Parameters, false);
|
|
//签名步骤二：在string后加入KEY
|
|
$String = $String . "&key=" . $this->key;
|
|
//签名步骤三：MD5加密
|
|
$String = md5($String);
|
|
//签名步骤四：所有字符转为大写
|
|
$result_ = strtoupper($String);
|
|
return $result_;
|
|
}
|
|
|
|
/**
|
|
* Comment: 格式化参数，签名过程需要使用
|
|
* Author: zzw
|
|
* @param $paraMap
|
|
* @param $urlencode
|
|
* @return bool|string
|
|
*/
|
|
private function formatBizQueryParaMap($paraMap, $urlencode) {
|
|
$buff = "";
|
|
ksort($paraMap);
|
|
foreach ($paraMap as $k => $v) {
|
|
if ($urlencode) {
|
|
$v = urlencode($v);
|
|
}
|
|
$buff .= $k . "=" . $v . "&";
|
|
}
|
|
if (strlen($buff) > 0) {
|
|
$reqPar = substr($buff, 0, strlen($buff) - 1);
|
|
}
|
|
return $reqPar;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|