Step By Step

1.调用准备

• 开通oss，并创建bucket
• 开通头像分割服务
• 本地图片一张

2.添加依赖

<dependency>
            <groupId>com.aliyun.oss</groupId>
            <artifactId>aliyun-sdk-oss</artifactId>
            <version>3.15.0</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>imageseg20191230</artifactId>
            <version>1.0.1</version>
        </dependency>
        <dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>aliyun-java-sdk-core</artifactId>
            <version>4.5.13</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.79</version>
        </dependency>

3.java Code

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.aliyun.oss.*;
import com.aliyun.oss.model.GeneratePresignedUrlRequest;
import com.aliyun.oss.model.PutObjectRequest;

import com.aliyun.tea.TeaException;
import com.aliyun.teaopenapi.models.Config;
import com.google.gson.Gson;

import org.codehaus.jettison.json.JSONObject;

import java.io.File;
import java.util.Date;


public class Demo {

    public static com.aliyun.imageseg20191230.Client createClient(String accessKeyId, String accessKeySecret) throws Exception {
        Config config = new Config()
                // 您的 AccessKey ID
                .setAccessKeyId(accessKeyId)
                // 您的 AccessKey Secret
                .setAccessKeySecret(accessKeySecret);
        // 访问的域名
        config.endpoint = "imageseg.cn-shanghai.aliyuncs.com";
        return new com.aliyun.imageseg20191230.Client(config);
    }
    //此方法将接口返回的url处理了下，如果官方修复了问题，可以直接获取接口内容
    public static String detailFormat(String StringBody) throws Exception{

        String data = new JSONObject(StringBody).getString("data");
        String  elements = new JSONObject(data).getString("elements");
        JSONArray jsonArray = JSONArray.parseArray(elements);
        JSON jsonOne = jsonArray.getJSONObject(0);
        String jsonOneToString = jsonOne.toJSONString();
        JSONObject json = new JSONObject(jsonOneToString);
        String imageUrl = json.getString("imageURL");
        return imageUrl;

    }

    public static void main(String[] args) throws Exception {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = "https://oss-cn-shanghai.aliyuncs.com";
        // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
        String accessKeyId = "您的AK";
        String accessKeySecret = "您的SK";
        // 填写Bucket名称，例如examplebucket。
        String bucketName = "bucket名字";
        String filePath= "本地图片";
        String filename = "（文件夹名字）将图片传入特定文件夹/"+filePath.substring(filePath.lastIndexOf("\\")+1);
        String objectName = filename;
        System.out.println(filename);

        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
        try {
            GeneratePresignedUrlRequest request = new GeneratePresignedUrlRequest(bucketName, objectName, HttpMethod.PUT);
            // 设置签名URL过期时间，单位为毫秒。
            Date expiration = new Date(new Date().getTime() + 3600 * 1000);
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, new File(filePath));

            // 上传文件。
            ossClient.putObject(putObjectRequest);
            System.out.println("上传成功");

            //获取上传图片的url
            String url = ossClient.generatePresignedUrl(bucketName,objectName, expiration).toString();
            System.out.println("oss获取的地址:"+url);

            //调用头像分割接口
            com.aliyun.imageseg20191230.Client client = Demo.createClient(accessKeyId, accessKeySecret);
            com.aliyun.imageseg20191230.models.SegmentHeadRequest segmentHeadRequest = new com.aliyun.imageseg20191230.models.SegmentHeadRequest()
                    .setImageURL(url);
            com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
            try {
                // 复制代码运行请自行打印 API 的返回值
                com.aliyun.imageseg20191230.models.SegmentHeadResponse result = client.segmentHeadWithOptions(segmentHeadRequest, runtime);
                String body = new Gson().toJson(result.getBody());
                //接口返回的url有转义字符的问题,需要单独拿出来处理下
                System.out.println("接口返回的Body："+body);
                String finalUrl = detailFormat(body);
                System.out.println("最终的url："+finalUrl);

            } catch (Exception _error) {
                TeaException error = new TeaException(_error.getMessage(), _error);
                // 如有需要，请打印 error
                com.aliyun.teautil.Common.assertAsString(error.message);
            }

        } catch (OSSException oe) {
            System.out.println("ossE");
        } catch (ClientException ce) {
            System.out.println("clientE");
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
    }
}

4.运行结果

最终的图片