" . var_export($token_url,true)."\n",FILE_APPEND);
$token = json_decode(file_get_contents($token_url));
if (isset($token->errcode)) {
echo '错误：
'.$token->errcode;
echo '
错误信息：
'.$token->errmsg;
exit;
}
$backurl_tmp = $_GET['backurl'];
$backurl = base64_decode($backurl_tmp);
file_put_contents('author.txt',"3==========>" . var_export($backurl,true)."\n",FILE_APPEND);
$tmpUrl = parse_url($backurl);
file_put_contents('author.txt',"4==========>" . var_export($tmpUrl,true)."\n",FILE_APPEND);
$openId = $token->openid;
file_put_contents('author.txt',"4==========>" . var_export($openId,true)."\n",FILE_APPEND);
$time = time();
$openId = encodeOpenid($openId,$time);
$unionid = encodeOpenid($token->unionid,$time);//$token->unionid;
file_put_contents('author.txt',"5==========>" . var_export($openId,true)."\n",FILE_APPEND);
if($tmpUrl['query']){
$urls = $tmpUrl['scheme'] . "://" . $tmpUrl['host'] . $tmpUrl['path'] . "?" . $tmpUrl['query'] . "&o=" . $openId . "&unionid=" . $unionid . "×tamp=".$time;
}else{
$urls = $tmpUrl['scheme'] . "://" . $tmpUrl['host'] . $tmpUrl['path'] . "?" . "o=" . $openId . "&unionid=" . $unionid . "×tamp=".$time;
}
header('location:'.$urls);
}else{
$backurl = $_REQUEST['backurl'];
$scope = $_REQUEST['scope'] ? $_REQUEST['scope'] : "snsapi_base";
$url = 'https://'.$_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF'] . "?backurl=" . base64_encode($backurl);
$autho_url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$appid}&redirect_uri=".urlencode($url)."&response_type=code&scope=".$scope."&state=123#wechat_redirect";
file_put_contents('author.txt',"1==========>" . var_export($autho_url,true)."\n",FILE_APPEND);
header('location:'.$autho_url);
}
function encodeOpenid($o,$timestamp){
$str = serialize(base64_encode($o) . $timestamp);
$returnOData = base64_encode("MK_" . $str);
return $returnOData;
}