如何使用restfb获取用户的详细信息？

Question

我正在尝试使用restfb获取我的个人资料的姓氏，但是每次用户名返回为null时，我已经拥有了访问令牌和权限。我想JSon对象传递会出现一些问题，如何传递json对象到javabean，然后再检索？

Answer 1

This happens when the access token you provided doesn't have the correct permissions to access the data. Best way to check this is by using the facebook graph API interface; noting the version. https://developers.facebook.com/tools/explorer/145634995501895/?method=GET&path=me&version=v2.4

FacebookClient fbClient = new DefaultFacebookClient(accessToken, Version.VERSION_2_4);
User me = fbClient.fetchObject("me", User.class, Parameter.with("fields", "email,first_name,last_name,gender"));

Note: Your FB.login function must contain the correct scope for fields you want to access.

FB.login(function(response) {

           ...

        }, {scope: 'email'});

Answer 2

Here is the code snippet

FacebookClient facebookClient = new DefaultFacebookClient("register a facebook application with required permissions, get that application token and paste here");

User user = facebookClient.fetchObject("me", User.class);

Connection<User> myFriends = facebookClient.fetchConnection("me/friends", User.class);

for(User friend:myFriends.getData())
{
    Connection<Page> myMovies = facebookClient.fetchConnection(friend.getId() + "/movies", Page.class);

    content = content + "Name: " + friend.getName();
    for(Page page:myMovies.getData())
    {
        content = content  + "\n" + "Movies: " + page.getName() + "\n";
    }
}

In this example your application needs "friends_likes" permission.

Hope this helps.

Answer 3

This works for me:

FacebookClient facebookClient = new DefaultFacebookClient(MY_ACCESS_TOKEN);
User user = facebookClient.fetchObject("me", User.class);
out.println("Last name: " + user.getLastName());