<?php
class Wxapi {
private $app_id = 'wxXXXXXXXXXXXX';
private $app_secret = 'XXXXXXXXXXXXXXXXXXXXXXXX';
private $app_mchid = 'XXXXXXXX';
function __construct(){
//do sth here....
}
/**
* 微信支付
*
* @param string $openid 用户openid
*/
public function pay($re_openid,$db=null)
{
include_once('WxHongBaoHelper.php');
$commonUtil = new CommonUtil();
$wxHongBaoHelper = new WxHongBaoHelper();
$wxHongBaoHelper->setParameter("nonce_str", $this->great_rand());//随机字符串,丌长于 32 位
$wxHongBaoHelper->setParameter("mch_billno", $this->app_mchid.date('YmdHis').rand(1000, 9999));//订单号
$wxHongBaoHelper->setParameter("mch_id", $this->app_mchid);//商户号
$wxHongBaoHelper->setParameter("wxappid", $this->app_id);
$wxHongBaoHelper->setParameter("nick_name", '红包');//提供方名称
$wxHongBaoHelper->setParameter("send_name", '红包');//红包发送者名称
$wxHongBaoHelper->setParameter("re_openid", $re_openid);//相对于医脉互通的openid
$wxHongBaoHelper->setParameter("total_amount", 100);//付款金额,单位分
$wxHongBaoHelper->setParameter("min_value", 100);//最小红包金额,单位分
$wxHongBaoHelper->setParameter("max_value", 100);//最大红包金额,单位分
$wxHongBaoHelper->setParameter("total_num", 1);//红包収放总人数
$wxHongBaoHelper->setParameter("wishing", '恭喜发财');//红包祝福诧
$wxHongBaoHelper->setParameter("client_ip", '127.0.0.1');//调用接口的机器 Ip 地址
$wxHongBaoHelper->setParameter("act_name", '红包活动');//活劢名称
$wxHongBaoHelper->setParameter("remark", '快来抢!');//备注信息
$postXml = $wxHongBaoHelper->create_hongbao_xml();
$url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack';
$responseXml = $wxHongBaoHelper->curl_post_ssl($url, $postXml);
$responseObj = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);
return $responseObj->return_code;
return;
}
/**
* 获取微信授权链接
*
* @param string $redirect_uri 跳转地址
* @param mixed $state 参数
*/
public function get_authorize_url($redirect_uri = '', $state = '')
{
$redirect_uri = urlencode($redirect_uri);
$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope=snsapi_userinfo&state={$state}#wechat_redirect";
echo "<script language='javascript' type='text/javascript'>";
echo "window.location.href='$url'";
echo "</script>";
}
/**
* 获取授权token
*
* @param string $code 通过get_authorize_url获取到的code
*/
public function get_access_token($code = '')
{
$token_url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->app_id}&secret={$this->app_secret}&code={$code}&grant_type=authorization_code";
$token_data = $this->http($token_url);
if(!empty($token_data[0]))
{
return json_decode($token_data[0], TRUE);
}
return FALSE;
}
/**
* 获取授权后的微信用户信息
*
* @param string $access_token
* @param string $open_id
*/
public function get_user_info($access_token = '', $open_id = '')
{
if($access_token && $open_id)
{
$access_url = "https://api.weixin.qq.com/sns/auth?access_token={$access_token}&openid={$open_id}";
$access_data = $this->http($access_url);
$access_info = json_decode($access_data[0], TRUE);
if($access_info['errmsg']!='ok'){
exit('页面过期');
}
$info_url = "https://api.weixin.qq.com/sns/userinfo?access_token={$access_token}&openid={$open_id}&lang=zh_CN";
$info_data = $this->http($info_url);
if(!empty($info_data[0]))
{
return json_decode($info_data[0], TRUE);
}
}
return FALSE;
}
/**
* Http方法
*
*/
public function http($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_HEADER, false);
$output = curl_exec($ch);//输出内容
curl_close($ch);
return array($output);
}
/**
* 生成随机数
*
*/
public function great_rand(){
$str = '1234567890abcdefghijklmnopqrstuvwxyz';
for($i=0;$i<30;$i++){
$j=rand(0,35);
$t1 .= $str[$j];
}
return $t1;
}
}
?>
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