public function GetOpenid()
{
//通过code获取openid
if (!isset($_GET['code'])){
//触发微信返回码
$baseUrl = urlencode('http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'].$_SERVER['QUERY_STRING ']);
$url = $this->_CreateOauthUrlForCode($baseUrl);
标头("位置:$url");
exit();
} else {
//获取code码,以获取openid
$code = $_GET['code'];
$openid = $this->getOpenidFromMp($code);
return $openid;
}
}
*/
私有函数 __CreateOauthUrlForOpenid($code)
{
$config = new WxPayConfig();
$urlObj["appid"] = $config- >GetAppId();
$urlObj["secret"] = $config->GetAppSecret();
$urlObj["js_code"] = $code;
$urlObj["grant_type"] = "authorization_code";
$bizString = $this->ToUrlParams($urlObj);
return "https://api.weixin. qq.com/sns/jscode2session?".$bizString;
//返回 "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;
}
公共函数 GetOpenidFromMp($code)
{
$url = $this->__CreateOauthUrlForOpenid($code);
//初始化curl
$ch = curl_init();
$curlVersion = curl_version();
$config = new WxPayConfig();
$ua = "WXPaySDK/3.0.9 (".PHP_OS.") PHP/".PHP_VERSION." CURL/".$curlVersion['版本']." "
.$config->GetMerchantId();
//设置超时
curl_setopt($ch, CURLOPT_TIMEOUT, $this-> ;curl_timeout);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,FALSE);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
curl_setopt($ch, CURLOPT_USERAGENT, $ua);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE );