微信公众号开发（二） -- 获取用户信息 修改粉丝标签

获取code值

$appid=’’ // 微信支付申请对应的公众号的APPID
$urlCode=’’ // 处理code页面 不能包含? 是微信可访问页面
$url="https://open.weixin.qq.com/connect/oauth2/authorize?appid=".$appid."&redirect_uri=http://".$urlCode."&response_type=code&scope=snsapi_userinfo&state=123#wechat_redirect";
header('location:'.$url);

通过code获取openid 查询用户信息

$appid=’’ // 微信支付申请对应的公众号appid
$secret=’’ // 微信支付申请对应的公众号的APP Key

//第一步:取全局access_token
$url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$secret;
$token = getJson($url);

//第二步:取得openid
$oauth2Url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=".$secret."&code=".$_GET['code']."&grant_type=authorization_code";
$oauth2 = getJson($oauth2Url);

//第三步:根据全局access_token和openid查询用户信息
$access_token = $token["access_token"];
$openid = $oauth2['openid'];
$get_user_info_url="https://api.weixin.qq.com/cgi-bin/user/info?access_token=".$access_token."&openid=".$openid."&lang=zh_CN";
$userinfo = getJson($get_user_info_url);
Var_dump($userinfo);

function getJson($url){
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $output = curl_exec($ch);
    curl_close($ch);
    return json_decode($output, true);
}

function http_curl($url,$type='get',$res='json',$arr=''){
    //1.实例化curl
    $ch = curl_init();
    //2.设置curl参数
    curl_setopt($ch,CURLOPT_URL,$url);//要访问的url地址
    curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);//对认证证书的来源检查
    curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);//从证书中检查SSL加密算法是否存在
    if($type=='post'){
        curl_setopt($ch, CURLOPT_POST, 1);//发送一个常规的POST请求
        curl_setopt($ch, CURLOPT_POSTFIELDS,$arr);//post提交的数据包
    }
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);//获取的信息以文件流的形式返回

    //3.采集

    $output = curl_exec($ch);//执行操作
    if($res=='json'){
        if(curl_errno($ch)){
            return curl_error($ch);
        }else{
            return json_decode($output,true);
        }
    }
    //4.关闭
    curl_close($ch);
}

获取信息格式
array(16) {
[“subscribe”]=>
int(1)
[“openid”]=>
string(28) “oEuSRwmEaaw6ozzYlJPYIyOtg1co”
[“nickname”]=>
string(6) “微信名”
[“sex”]=>
int(2)
[“language”]=>
string(5) “zh_CN”
[“city”]=>
string(6) “市”
[“province”]=>
string(6) “省”
[“country”]=>
string(6) “中国”
[“headimgurl”]=>
string(137) ") “http://thirdwx.qlogo.cn/mmopen/vJ90HLKGHicnoc4SyxqLzxqiamWrwJpGOAbpDAicxqib3kXENNZmscYqMUO5orWHYuxpDhZMMoibnZrPD1pvHFBd9OicAOuXTgfJWZ/132”
"
[“subscribe_time”]=>
int(1541230987)
[“remark”]=>
string(0) “”
[“groupid”]=>
int(0)
[“tagid_list”]=>
array(0) {
}
[“subscribe_scene”]=>
string(16) “ADD_SCENE_SEARCH”
[“qr_scene”]=>
int(0)
[“qr_scene_str”]=>
string(0) “”
}

修改粉丝标签

    $url = "https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=".$access_token;
    $posts = array(
        "openid" => $openid,
        "to_groupid" => $label,
    );
    $post = json_encode($posts);
    $change = http_curl($url,'post','json',$post);