PHP调用微博接口实现微博登录的方法示例
在平时项目开发过程中,除了注册本网站账号进行登录之外,还可以调用第三方接口进行登录网站。这里以微博登录为例。微博登录包括身份认证、用户关系以及内容传播。允许用户使用微博帐号登录访问第三方网站,分享内容,同步信息。
1、首先需要引导需要授权的用户到如下地址:
https://api.weibo.com/oauth2/authorize?client_id=YOUR_CLIENT_ID&response_type=code&redirect_uri=YOUR_REGISTERED_REDIRECT_URI
如果用户同意授权,页面跳转至 YOUR_REGISTERED_REDIRECT_URI/?code=CODE:
2、接下来要根据上面得到的code来换取Access Token:
https://api.weibo.com/oauth2/access_token?client_id=YOUR_CLIENT_ID&client_secret=YOUR_CLIENT_SECRET&grant_type=authorization_code&redirect_uri=YOUR_REGISTERED_REDIRECT_URI&code=CODE
返回值:
JSON
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{ "access_token" : "SlAV32hkKG" ,
"remind_in" : 3600,
"expires_in" : 3600
} |
3、最后,使用获得的OAuth2.0 Access Token调用API,获取用户身份,完成用户的登录。
话不多说,直接上代码:
为了方便,我们先将get和post封装到application下的common.php中:
应用公共文件common.php:
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function get( $url , $_header = NULL )
{ $curl = curl_init();
//curl_setopt ( $curl, CURLOPT_SAFE_UPLOAD, false);
{
curl_setopt( $curl , CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt( $curl , CURLOPT_SSL_VERIFYHOST, FALSE);
}
curl_setopt( $curl , CURLOPT_URL, $url );
curl_setopt( $curl , CURLOPT_HEADER, 0);
curl_setopt( $curl , CURLOPT_RETURNTRANSFER, 1);
if ( $_header != NULL )
{
curl_setopt( $curl , CURLOPT_HTTPHEADER, $_header );
}
$ret = curl_exec( $curl );
$info = curl_getinfo( $curl );
curl_close( $curl );
if ( intval ( $info [ "http_code" ] ) == 200 )
{
return $ret ;
}
return false;
} /* * post method
*/
function post( $url , $param )
{ $oCurl = curl_init ();
curl_setopt ( $oCurl , CURLOPT_SAFE_UPLOAD, false);
curl_setopt ( $oCurl , CURLOPT_SSL_VERIFYPEER, FALSE );
curl_setopt ( $oCurl , CURLOPT_SSL_VERIFYHOST, false );
}
curl_setopt ( $oCurl , CURLOPT_URL, $url );
curl_setopt ( $oCurl , CURLOPT_RETURNTRANSFER, 1 );
curl_setopt ( $oCurl , CURLOPT_POST, true );
curl_setopt ( $oCurl , CURLOPT_POSTFIELDS, $param );
$sContent = curl_exec ( $oCurl );
$aStatus = curl_getinfo ( $oCurl );
curl_close ( $oCurl );
if ( intval ( $aStatus [ "http_code" ] ) == 200) {
return $sContent ;
} else {
return false;
}
} |
控制器处理代码Login.php:
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class Login extends hinkController
{ public function index()
{
$key = "****" ;
$redirect_uri = "***微博应用安全域名***/?backurl=***项目本地域名***/home/login/webLogin?" ;
//授权后将页面重定向到本地项目
$redirect_uri = urlencode( $redirect_uri );
$wb_url = "https://api.weibo.com/oauth2/authorize?client_id={$key}&response_type=code&redirect_uri={$redirect_uri}" ;
$this -> assign( 'wb_url' , $wb_url );
return view( 'login' );
}
public function webLogin(){
$key = "*****" ;
//接收code值
$code = input( 'get.code' );
//换取Access Token: post方式请求 替换参数: client_id, client_secret,redirect_uri, code
$secret = "********" ;
$redirect_uri = "********" ;
$url = "https://api.weibo.com/oauth2/access_token?client_id={$key}&client_secret={$secret}&grant_type=authorization_code&redirect_uri={$redirect_uri}&code={$code}" ;
$token = post( $url , array ());
$token = json_decode( $token , true);
//获取用户信息 : get方法,替换参数: access_token, uid
$url = "https://api.weibo.com/2/users/show.json?access_token={$token['access_token']}&uid={$token['uid']}" ;
$info = get( $url );
if ( $info ){
echo "<p>登录成功</p>" ;
}
}
} |
模板代码login.html:
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<!DOCTYPE html> < html lang = "en" >
< head >
< meta charset = "UTF-8" >
< title >微博登录</ title >
</ head >
< body >
< a href = "{$wb_url}" rel = "external nofollow" >点击这里进行微博登录</ a >
</ body >
</ html >
|
效果图:
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