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shopxo/extend/payment/WeixinMini.php

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<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
// | Copyright (c) 2011~2018 http://shopxo.net All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace payment;
/**
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* 微信小程序支付
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* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-09-19
* @desc description
*/
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class WeixinMini
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{
// 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
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'apply_terminal'=> ['wechat'], // 适用终端 默认全部 ['pc', 'h5', 'app', 'alipay', 'weixin', 'baidu']
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'desc' => '适用微信小程序，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' => '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',
],
[
'element' => 'textarea',
'name' => 'rsa_public',
'placeholder' => '应用公钥',
'title' => '应用公钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写应用公钥',
],
[
'element' => 'textarea',
'name' => 'rsa_private',
'placeholder' => '应用私钥',
'title' => '应用私钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写应用私钥',
],
[
'element' => 'textarea',
'name' => 'out_rsa_public',
'placeholder' => '支付宝公钥',
'title' => '支付宝公钥',
'is_required' => 0,
'rows' => 6,
'message' => '请填写支付宝公钥',
],
];
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 = [])
{
if(empty($params))
{
return DataReturn('参数不能为空', -1);
}
// 获取支付参数
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$ret = $this->GetPayParams($params);
if($ret['code'] != 0)
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{
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return $ret;
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}
// xml
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$xml = $this->ArrayToXml($ret['data']);
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$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']))
{
// 返回数据
$pay_data = array(
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'appid' => $this->config['appid'],
'mch_id' => $this->config['mch_id'],
'prepay_id' => $result['prepay_id'],
'nonce_str' => md5(time().rand()),
'sign_type' => $ret['data']['sign_type'],
'timestamp' => time(),
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);
$pay_data['sign'] = $this->GetSign($pay_data);
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return DataReturn('success', 0, $pay_data);
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}
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return DataReturn(empty($result['return_msg']) ? '支付异常' : $result['return_msg'], -1);
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}
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/**
* 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;
}
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/**
* 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 = [])
{
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$data = [
'appid' => $this->config['appid'],
'mch_id' => $this->config['mch_id'],
'body' => $params['name'],
'nonce_str' => md5(time().rand().$params['order_no']),
'notify_url' => $params['notify_url'],
'openid' => $params['user_openid'],
'out_trade_no' => $params['order_no'],
'spbill_create_ip' => GetClientIP(),
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'total_fee' => $params['total_price']*100,
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'trade_type' => empty($params['trade_type']) ? 'JSAPI' : $params['trade_type'],
'attach' => empty($params['attach']) ? 'shopxo-attach' : $params['attach'],
'sign_type' => 'MD5',
];
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$data['sign'] = $this->GetSign($data);
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return DataReturn('success', 0, $data);
}
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/**
* 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 = [])
{
return DataReturn('test', -100);
}
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/**
* 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') $sign .= "$k=$v&";
}
return strtoupper(md5($sign.'key='.$this->config['key']));
}
/**
* 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)
{
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if(!$this->XmlParser($xml)) return '';
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return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
}
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/**
* 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));
}
}
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/**
* [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] $use_cert [是否需要使用证书]
* @return [mixed] [请求返回数据]
*/
private function HttpRequest($url, $data, $use_cert = false)
{
$options = array(
CURLOPT_RETURNTRANSFER => true,
CURLOPT_HEADER => false,
CURLOPT_POST => true,
CURLOPT_POSTFIELDS => $data,
);
if($use_cert == true)
{
//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;
}
}
?>
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