如何使用JAVA将本地图像而不是URL发送到Microsoft Cognitive Face API [英] How to send a local image instead of URL to Microsoft Cognitive Face API using JAVA

问题描述

正在尝试使用Microsoft Cognitive Services的Face API.我想知道如何通过其余API调用将本地图像发送到Face API，并使用 JAVA 从中请求结果.有人可以帮我吗?

Am trying to play with Face API of Microsoft Cognitive Services. Am wondering how to send a local image through rest API calls to Face API and request for the results from it using JAVA. Can anyone help me with this please?

Microsoft在其网站上提供的测试"选项仅采用URL，我试图将本地路径转换为URL并将其作为输入提供，但这是行不通的.

The Testing opting provided by Microsoft on their site only takes URL, I Tried to convert my local path to URL and give it as input but that doesn't work.

推荐答案

一种选择是使用FileEntity类.

// This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
import java.io.File;
import java.net.URI;
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.client.utils.URIBuilder;
import org.apache.http.entity.FileEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class Face
{
    public static void main(String[] args) 
    {
        HttpClient httpclient = HttpClients.createDefault();

        try
        {
            URIBuilder builder = new URIBuilder("https://api.projectoxford.ai/face/v1.0/detect");

            builder.setParameter("returnFaceId", "true");

            URI uri = builder.build();
            HttpPost request = new HttpPost(uri);
            request.setHeader("Ocp-Apim-Subscription-Key", "YOUR_KEY");


            // Request body
            File file = new File("YOUR_FILE");
            FileEntity reqEntity = new FileEntity(file, "application/octet-stream");
            request.setEntity(reqEntity);

            HttpResponse response = httpclient.execute(request);
            HttpEntity entity = response.getEntity();

            if (entity != null) 
            {
                System.out.println(EntityUtils.toString(entity));
            }
        }
        catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
    }
}

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