提要:
1. 建议对OAuth2.0协议做一个学习。
2. 微信官方文档和微信官网工具要得到充分利用。
比较简单,直接帖源代码了。其中“xxxxxxxxxx”部分,是需要依据自己环境做替换的
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/**
* OAuth2.0微信授权登录实现
*
* @author zzy
* @文件名:GetWxUserInfo.php
*/
// 回调地址
$url = urlencode( "http://www.xxxxxxxxx.com/GetWxUserInfo.php" );
// 公众号的id和secret
$appid = 'xxxxxxxxx' ;
$appsecret = 'xxxxxxxxx' ;
session_start();
// 获取code码,用于和微信服务器申请token。 注:依据OAuth2.0要求,此处授权登录需要用户端操作
if (!isset( $_GET [ 'code' ]) && !isset( $_SESSION [ 'code' ])){
echo
'<a href="https: //open.weixin.qq.com/connect/oauth2/authorize?appid=wx6c11a252ff1d00c4
&redirect_uri= '.$url.' &response_type=code&scope=snsapi_userinfo&state=1#wechat_redirect">
<font style= "font-size:30" >授权</font></a>';
exit ;
}
// 依据code码去获取openid和access_token,自己的后台服务器直接向微信服务器申请即可
if (isset( $_GET [ 'code' ]) && !isset( $_SESSION [ 'token' ])){
$_SESSION [ 'code' ] = $_GET [ 'code' ];
$url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" . $appid .
"&secret=" . $appsecret . "&code=" . $_GET [ 'code' ]. "&grant_type=authorization_code" ;
$res = https_request( $url );
$res =(json_decode( $res , true));
$_SESSION [ 'token' ] = $res ;
}
print_r( $_SESSION );
// 依据申请到的access_token和openid,申请Userinfo信息。
if (isset( $_SESSION [ 'token' ][ 'access_token' ])){
$url = "https://api.weixin.qq.com/sns/userinfo?access_token=" . $_SESSION [ 'token' ][ 'access_token' ]. "&openid=" . $_SESSION [ 'token' ][ 'openid' ]. "&lang=zh_CN" ;
echo $url ;
$res = https_request( $url );
$res = json_decode( $res , true);
$_SESSION [ 'userinfo' ] = $res ;
}
print_r( $_SESSION );
// cURL函数简单封装
function https_request( $url , $data = null)
{
$curl = curl_init();
curl_setopt( $curl , CURLOPT_URL, $url );
curl_setopt( $curl , CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt( $curl , CURLOPT_SSL_VERIFYHOST, FALSE);
if (! empty ( $data )){
curl_setopt( $curl , CURLOPT_POST, 1);
curl_setopt( $curl , CURLOPT_POSTFIELDS, $data );
}
curl_setopt( $curl , CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec( $curl );
curl_close( $curl );
return $output ;
}
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得到正确结果如下:
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Array
(
[code] => 041GZI4l0tvGHg10N75l05FQ4l0GZI42
[token] => Array
(
[access_token] => TWo6w5QMpzTZibu3FPh2k4EdC5bllp4sGeQkC4NbZtj-zti-ctZj1SrrNL1qGCf2lB1-6o3N7kh2bcxl5bxtQqJEGk1cq12l8CzF40R9XvA
[expires_in] => 7200
[refresh_token] => Iz3olCrkqPBOJvSSH2bOKvA09Sjvsp1c8Ltm7MvxxPfQXSbvI_WoVmzhjqASzwlMa7TAGgsg3mIJmaHjL7jrJHDqUF1jKbhd6GNDnLtXq0U
[openid] => ota_XwQ4r_5nioVmshQ
[scope] => snsapi_userinfo
)
[userinfo] => Array
(
[openid] => ota_XwQ4r_5nioVmshQq
[nickname] => 野狐
[sex] => 1
[language] => zh_CN
[city] => 杭州
[province] => 浙江
[country] => 中国
[headimgurl] => http: //wx.qlogo.cn/mmopen/PiajxSqBRaELwee7rhrt2ibnkC1MEnu04WiaWrw9FkuPBbGOgnrMbynNoEuxicgXOetW5VqQbTrS4fZDXNvAWsz6GQ/0
[privilege] => Array
(
)
)
)
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。