使用java从facebook页面发布图片

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;

import java.io.File;

public class FacebookImageUploader {
    private static final String ACCESS_TOKEN = "YOUR_ACCESS_TOKEN";
    private static final String PAGE_ID = "YOUR_PAGE_ID";
    private static final String API_VERSION = "v13.0";

    public static void main(String[] args) {
        File imageFile = new File("path/to/image.jpg");

        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost httpPost = new HttpPost("https://graph.facebook.com/" + API_VERSION + "/" + PAGE_ID + "/photos");

        MultipartEntityBuilder entityBuilder = MultipartEntityBuilder.create();
        entityBuilder.addPart("access_token", ACCESS_TOKEN);
        entityBuilder.addPart("source", new FileBody(imageFile));

        HttpEntity entity = entityBuilder.build();
        httpPost.setEntity(entity);

        try {
            HttpResponse response = httpClient.execute(httpPost);
            HttpEntity responseEntity = response.getEntity();
            String responseString = EntityUtils.toString(responseEntity);
            System.out.println(responseString);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}