微信网页授权-PHP微信获取用户信息-优快云博客

本文详细介绍了如何使用PHP从微信平台获取用户基本信息的过程，包括设置回调地址、通过code换取access_token及openid，最后调用API获取用户的昵称等信息。

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/**
 * 获取微信用户信息
 * @return string
 */
public function getBaseInfo(){
    $appid=你的appid;
    if(!isset($_GET['code'])){
        $REDIRECT_URI='http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];//回调地址
        $scope='snsapi_userinfo';
        $url='https://open.weixin.qq.com/connect/oauth2/authorize?appid='.$appid.'&redirect_uri='.urlencode($REDIRECT_URI).'&response_type=code&scope='.$scope.'&state=wx'.'#wechat_redirect';
        header("Location:".$url);
    }else{
        $secret = 你的appsecret;
        $code = $_GET["code"];
        $get_token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.$secret.'&code='.$code.'&grant_type=authorization_code';
        $json_obj = self::getUrl($get_token_url);
        //根据openid和access_token查询用户信息
        $nickname = '';//用户昵称
        if(isset($json_obj['access_token'])){
            $access_token = $json_obj['access_token'];
            $openid = $json_obj['openid'];
            $get_user_info_url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN';
            $user_obj = self::getUrl($get_user_info_url);
            $nickname = $user_obj['nickname'];
        }
        return $nickname;
    }
}
private function getUrl($url){
    $ch = curl_init();
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_HEADER,0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1 );
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
    $res_res = curl_exec($ch);
    curl_close($ch);
    //解析json
    return json_decode($res_res,true);
}

转载于:https://my.oschina.net/mafighting/blog/1809633