shopxo/extend/payment/Weixin.php
2019-04-29 18:34:50 +08:00

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<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2019 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace payment;
/**
* 微信支付
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
*/
class Weixin
{
// 插件配置参数
private $config;
/**
* 构造方法
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-17
* @desc description
* @param [array] $params [输入参数(支付配置参数)]
*/
public function __construct($params = [])
{
$this->config = $params;
}
/**
* 配置信息
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
*/
public function Config()
{
// 基础信息
$base = [
'name' => '微信', // 插件名称
'version' => '0.0.1', // 插件版本
'apply_version' => '不限', // 适用系统版本描述
'apply_terminal'=> ['pc', 'h5', 'weixin'], // 适用终端 默认全部 ['pc', 'h5', 'app', 'alipay', 'weixin', 'baidu']
'desc' => '适用微信web/h5(非微信环境)/小程序,即时到帐支付方式,买家的交易资金直接打入卖家账户,快速回笼交易资金。 <a href="https://pay.weixin.qq.com/" target="_blank">立即申请</a>', // 插件描述支持html
'author' => 'Devil', // 开发者
'author_url' => 'http://shopxo.net/', // 开发者主页
];
// 配置信息
$element = [
[
'element' => 'input',
'type' => 'text',
'default' => '',
'name' => 'appid',
'placeholder' => '公众号ID',
'title' => '公众号ID (用于web/h5)',
'is_required' => 0,
'message' => '请填写微信分配的公众号ID',
],
[
'element' => 'input',
'type' => 'text',
'default' => '',
'name' => 'mini_appid',
'placeholder' => '小程序ID',
'title' => '小程序ID',
'is_required' => 0,
'message' => '请填写微信分配的小程序ID',
],
[
'element' => 'input',
'type' => 'text',
'default' => '',
'name' => 'mch_id',
'placeholder' => '微信支付商户号',
'title' => '微信支付商户号',
'is_required' => 0,
'message' => '请填写微信支付分配的商户号',
],
[
'element' => 'input',
'type' => 'text',
'default' => '',
'name' => 'key',
'placeholder' => '密钥',
'title' => '密钥',
'is_required' => 0,
'message' => '请填写密钥',
],
];
return [
'base' => $base,
'element' => $element,
];
}
/**
* 支付入口
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
* @param [array] $params [输入参数]
*/
public function Pay($params = [])
{
// 参数
if(empty($params))
{
return DataReturn('参数不能为空', -1);
}
// 配置信息
if(empty($this->config))
{
return DataReturn('支付缺少配置', -1);
}
// 获取支付参数
$ret = $this->GetPayParams($params);
if($ret['code'] != 0)
{
return $ret;
}
// xml
$xml = $this->ArrayToXml($ret['data']);
$result = $this->XmlToArray($this->HttpRequest('https://api.mch.weixin.qq.com/pay/unifiedorder', $xml));
if(!empty($result['return_code']) && $result['return_code'] == 'SUCCESS' && !empty($result['prepay_id']))
{
return $this->PayHandleReturn($ret['data'], $result, $params);
}
$msg = empty($result['return_msg']) ? '支付异常' : $result['return_msg'];
if(!empty($result['err_code_des']))
{
$msg .= '-'.$result['err_code_des'];
}
return DataReturn($msg, -1);
}
/**
* 支付返回处理
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-08
* @desc description
* @param [array] $pay_params [支付参数]
* @param [array] $data [支付返回数据]
* @param [array] $params [输入参数]
*/
private function PayHandleReturn($pay_params = [], $data = [], $params = [])
{
$result = DataReturn('支付接口异常', -1);
switch($pay_params['trade_type'])
{
// web支付
case 'NATIVE' :
if(empty($params['ajax_url']))
{
return DataReturn('支付状态校验地址不能为空', -50);
}
$pay_params = [
'url' => urlencode(base64_encode($data['code_url'])),
'order_no' => $params['order_no'],
'name' => urlencode('微信支付'),
'msg' => urlencode('打开微信APP扫一扫进行支付'),
'ajax_url' => urlencode($params['ajax_url']),
];
$url = MyUrl('index/pay/qrcode', $pay_params);
$result = DataReturn('success', 0, $url);
break;
// h5支付
case 'MWEB' :
if(!empty($params['order_id']))
{
$data['mweb_url'] .= '&redirect_url='.urlencode(MyUrl('index/order/detail', ['id'=>$params['order_id']]));
}
$result = DataReturn('success', 0, $data['mweb_url']);
break;
// 微信中/小程序支付
case 'JSAPI' :
$pay_data = array(
'appId' => $pay_params['appid'],
'package' => 'prepay_id='.$data['prepay_id'],
'nonceStr' => md5(time().rand()),
'signType' => $pay_params['sign_type'],
'timeStamp' => (string) time(),
);
$pay_data['paySign'] = $this->GetSign($pay_data);
$result = DataReturn('success', 0, $pay_data);
break;
// APP支付
case 'APP' :
$result = DataReturn('APP支付暂未开放', -1);
break;
}
return $result;
}
/**
* 获取支付参数
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-07
* @desc description
* @param [array] $params [输入参数]
*/
private function GetPayParams($params = [])
{
$trade_type = empty($params['trade_type']) ? $this->GetTradeType() : $params['trade_type'];
if(empty($trade_type))
{
return DataReturn('支付类型不匹配', -1);
}
// appid
$appid = (APPLICATION_CLIENT_TYPE == 'weixin') ? $this->config['mini_appid'] : $this->config['appid'];
$data = [
'appid' => $appid,
'mch_id' => $this->config['mch_id'],
'body' => $params['site_name'].'-'.$params['name'],
'nonce_str' => md5(time().rand().$params['order_no']),
'notify_url' => (__MY_HTTP__ == 'https') ? 'http'.mb_substr($params['notify_url'], 5, null, 'utf-8') : $params['notify_url'],
'openid' => ($trade_type == 'JSAPI') ? $params['user']['weixin_openid'] : '',
'out_trade_no' => $params['order_no'].GetNumberCode(6),
'spbill_create_ip' => GetClientIP(),
'total_fee' => intval($params['total_price']*100),
'trade_type' => $trade_type,
'attach' => empty($params['attach']) ? $params['site_name'].'-'.$params['name'] : $params['attach'],
'sign_type' => 'MD5',
];
$data['sign'] = $this->GetSign($data);
return DataReturn('success', 0, $data);
}
/**
* 获取支付交易类型
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-08
* @desc description
*/
private function GetTradeType()
{
$type_all = [
'pc' => 'NATIVE',
'weixin' => 'JSAPI',
'h5' => 'MWEB',
'app' => 'APP'
];
// 手机中打开pc版本
if(APPLICATION_CLIENT_TYPE == 'pc' && IsMobile())
{
$type_all['pc'] = $type_all['h5'];
}
// 微信中打开
$user_agent = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
if(!empty($user_agent) && strpos($user_agent, 'MicroMessenger') !== false)
{
$type_all['pc'] = $type_all['h5'];
}
return isset($type_all[APPLICATION_CLIENT_TYPE]) ? $type_all[APPLICATION_CLIENT_TYPE] : '';
}
/**
* 支付回调处理
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
* @param [array] $params [输入参数]
*/
public function Respond($params = [])
{
$result = empty($GLOBALS['HTTP_RAW_POST_DATA']) ? $this->XmlToArray(file_get_contents('php://input')) : $this->XmlToArray($GLOBALS['HTTP_RAW_POST_DATA']);
if(isset($result['result_code']) && $result['result_code'] == 'SUCCESS' && $result['sign'] == $this->GetSign($result))
{
return DataReturn('支付成功', 0, $this->ReturnData($result));
}
return DataReturn('处理异常错误', -100);
}
/**
* [ReturnData 返回数据统一格式]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2018-10-06T16:54:24+0800
* @param [array] $data [返回数据]
*/
private function ReturnData($data)
{
// 参数处理
$out_trade_no = substr($data['out_trade_no'], 0, strlen($data['out_trade_no'])-6);
// 返回数据固定基础参数
$data['trade_no'] = $data['transaction_id']; // 支付平台 - 订单号
$data['buyer_user'] = $data['openid']; // 支付平台 - 用户
$data['out_trade_no'] = $out_trade_no; // 本系统发起支付的 - 订单号
$data['subject'] = $data['attach']; // 本系统发起支付的 - 商品名称
$data['pay_price'] = $data['total_fee']/100; // 本系统发起支付的 - 总价
return $data;
}
/**
* 签名生成
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-07
* @desc description
* @param [array] $params [输入参数]
*/
private function GetSign($params = [])
{
ksort($params);
$sign = '';
foreach($params as $k=>$v)
{
if($k != 'sign' && $v != '' && $v != null)
{
$sign .= "$k=$v&";
}
}
return strtoupper(md5($sign.'key='.$this->config['key']));
}
/**
* 数组转xml
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-07
* @desc description
* @param [array] $data [数组]
*/
private function ArrayToXml($data)
{
$xml = '<xml>';
foreach($data as $k=>$v)
{
$xml .= '<'.$k.'>'.$v.'</'.$k.'>';
}
$xml .= '</xml>';
return $xml;
}
/**
* xml转数组
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-07
* @desc description
* @param [string] $xml [xm数据]
*/
private function XmlToArray($xml)
{
if(!$this->XmlParser($xml)) return '';
return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
}
/**
* 判断字符串是否为xml格式
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2019-01-07
* @desc description
* @param [string] $string [字符串]
*/
function XmlParser($string)
{
$xml_parser = xml_parser_create();
if(!xml_parse($xml_parser, $string, true))
{
xml_parser_free($xml_parser);
return false;
} else {
return (json_decode(json_encode(simplexml_load_string($string)),true));
}
}
/**
* [HttpRequest 网络请求]
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2017-09-25T09:10:46+0800
* @param [string] $url [请求url]
* @param [array] $data [发送数据]
* @param [boolean] $use_cert [是否需要使用证书]
* @param [int] $second [超时]
* @return [mixed] [请求返回数据]
*/
private function HttpRequest($url, $data, $use_cert = false, $second = 30)
{
$options = array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER => false,
CURLOPT_POST => true,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
CURLOPT_POSTFIELDS => $data,
CURLOPT_TIMEOUT => $second,
);
if($use_cert == true)
{
// 退款 取消使用
//设置证书
//使用证书cert 与 key 分别属于两个.pem文件
// $options[CURLOPT_SSLCERTTYPE] = 'PEM';
// $options[CURLOPT_SSLCERT] = WEB_ROOT.'cert/wechat_app_apiclient_cert.pem';
// $options[CURLOPT_SSLKEYTYPE] = 'PEM';
// $options[CURLOPT_SSLKEY] = WEB_ROOT.'cert/wechat_app_apiclient_key.pem';
}
$ch = curl_init($url);
curl_setopt_array($ch, $options);
$result = curl_exec($ch);
curl_close($ch);
return $result;
}
}
?>