qq联合登录

1.首先到http://connect.qq.com/申请appkey    appid
2.
去吧sdk文件下载下来。
3.放在本地执行一下，
4.只保留api文件夹，把api文件夹放在php根目录下 例如：lib_qqlogin.php
<?php
require_once("API/qqConnectAPI.php");
$qc = new QC();
$qc->qq_login();
?>
5.<script type="text/javascript">
            var childWindow;
            function toQzoneLogin()
            {
                childWindow = window.open("includes/lib_qqlogin.php","TencentLogin","width=450,height=320,menubar=0,scrollbars=1, resizable=1,status=1,titlebar=0,toolbar=0,location=1");
            }
           
            function closeChildWindow()
            {
                childWindow.close();
            }
</script>
<div id="append_parent"></div>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
{if $user_info}
您 好, <a style="color: rgb(51, 51, 51);" class="top track" href="http://skill86.blog.163.com/blog/user.php">{$user_info.username}</a> <span style="color: #a10000"><a target="_parent" href="http://skill86.blog.163.com/blog/user.php?act=logout" style="color: #a10000" class="top track">退出登录</a></span>
{else}
{$lang.welcome}<span><a href="http://skill86.blog.163.com/blog/user.php" class="track">[&nbsp;登录&nbsp;</a>|<a href="http://skill86.blog.163.com/blog/user.php?act=register" class="track">&nbsp;免费注册&nbsp;]</a>&nbsp;& nbsp;<a href="javascript:" onclick='toQzoneLogin()' style="color:#000"><img src="http://skill86.blog.163.com/blog/../images/v_01_03.png" >QQ登录</a></span>
{/if}