微信付款

<?php
namespace Admin\Controller;
/******************************************
* 微信付款功能
* @Author   wzb 312967328@qq.com
* @time     2015-11-6
****************************************/

class WxPaymentController extends AdminController{

// 初始化函数（检测是否已经扩展该控制器）
protected function _initialize($type=1){
$config =   api('Config/lists');
C($config); //添加配置

$res = D('Admin/Addons')->where("name='WxPayment'")->find();
if(!is_array($res)){
if($type == 1){
$this->error("您没有权限使用该插件，请联系开发人员！",U('Getmoney/userIndex'));exit;
}
return ("您没有权限使用该插件，请联系开发人员！");
};
}

// 打款操作
function wx_payment($pay_info,$type=1){
//封装成数据
$dataArr['desc']         = $desc    = "您的此次提现已到账，感谢您使用".C('WEB_NAME');
$dataArr['mchid']        = $mchid   = "1272****01";
$dataArr['openid']       = $openid;
$dataArr['amount']       = $amount  = $pay_info['price']*100;
$dataArr['mch_appid']    = $mch_appid = C('WX_APPID'); // 公众号appid
$dataArr['nonce_str']    = $nonce_str = 'WXGY'.rand(10000,99999);  //随机数
$dataArr['check_name']   = $check_name = "NO_CHECK";
$dataArr['re_user_name'] = $re_user_name = $pay_info['uid'].str_replace("&", '', $user_info['nick']); //用户姓名
$dataArr['partner_trade_no'] = $partner_trade_no = 'WXGY'.time().rand(10000,99999);
$dataArr['spbill_create_ip'] = $spbill_create_ip = $_SERVER["REMOTE_ADDR"]; // 请求ip

$sign = $this->getSign($dataArr); // 生成签名

$data = "<xml>
<mch_appid>".$mch_appid."</mch_appid>
<mchid>".$mchid."</mchid>
<nonce_str>".$nonce_str."</nonce_str>
<partner_trade_no>".$partner_trade_no."</partner_trade_no>
<openid>".$openid."</openid>
<check_name>".$check_name."</check_name>
<re_user_name>".$re_user_name."</re_user_name>
<amount>".$amount."</amount>
<desc>".$desc."</desc>
<spbill_create_ip>".$spbill_create_ip."</spbill_create_ip>
<sign>".$sign."</sign>
</xml>";

// 执行微信公众号付款
$cer_path   ="./certificate/".C('HOOTS_URL_H')."/apiclient_cert.pem";
$cer_path_2 ="./certificate/".C('HOOTS_URL_H')."/apiclient_key.pem";
if(!is_file($cer_path) || !is_file($cer_path_2)){
if($type == 1){
$this->error('无法获取微信证书文件，无法提现！');exit;
}
return('无法获取微信证书文件，无法提现！');
}

$wx_pay = $this->curl_post_ssl($data,$cer_path,$cer_path_2);
$wx_pay = json_encode(simplexml_load_string($wx_pay, null, LIBXML_NOCDATA));
$wx_pay = json_decode($wx_pay,TRUE);

if($wx_pay['return_code'] != 'SUCCESS'){
// 付款失败
return("微信付款失败！".$wx_pay['return_msg']);
}else{
// 付款成功
　　　　 return("付款成功！");
}
}

/*****************************
*  作用：生成签名
*****************************/
private function getSign($Obj){
foreach ($Obj as $k => $v)    {
$Parameters[$k] = $v;
}
ksort($Parameters);     //签名步骤一：按字典序排序参数
$String = $this->formatBizQueryParaMap($Parameters, false);
$String = $String."&key=".C('WX_AUTO_PAY_KEY');//签名步骤二：在string后加入KEY
$String = md5($String);             //签名步骤三：MD5加密
$result_ = strtoupper($String);     //签名步骤四：所有字符转为大写
return $result_;
}

/**********************************************
*  作用：格式化参数，签名过程需要使用
*********************************************/
private function formatBizQueryParaMap($paraMap, $urlencode){
$buff = "";
ksort($paraMap);
foreach ($paraMap as $k => $v)
{
if($urlencode)        {
$v = urlencode($v);
}
$buff .= $k . "=" . $v . "&";
}
$reqPar;
if (strlen($buff) > 0){
$reqPar = substr($buff, 0, strlen($buff)-1);
}
return $reqPar;
}

/****************************
* 微信付款请求函数
***************************/
function curl_post_ssl($vars,$cer_path,$cer_path_2, $second=30){
$url="https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers";
$ch = curl_init();
curl_setopt($ch,CURLOPT_TIMEOUT,$second);//超时时间
curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1);
//这里设置代理，如果有的话
//curl_setopt($ch,CURLOPT_PROXY, '10.206.30.98');
//curl_setopt($ch,CURLOPT_PROXYPORT, 8080);
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
curl_setopt($ch,CURLOPT_SSLCERT,realpath($cer_path));
curl_setopt($ch,CURLOPT_SSLKEY, realpath($cer_path_2));

curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS,$vars);
$data = curl_exec($ch);
if($data){
curl_close($ch);
return $data;
}
else {
$error = curl_errno($ch);
curl_close($ch);
return $data;
}
}

}