图像编辑-万相2.5至2.7

import com.alibaba.dashscope.aigc.imagegeneration.*;
import com.alibaba.dashscope.exception.ApiException;
import com.alibaba.dashscope.exception.NoApiKeyException;
import com.alibaba.dashscope.exception.UploadFileException;
import com.alibaba.dashscope.utils.Constants;
import com.alibaba.dashscope.utils.JsonUtils;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;
import java.util.Arrays;
import java.util.Base64;
import java.util.Collections;
import java.util.List;
import java.util.Map;

/**
 * wan2.7-image-pro 图像编辑 - 异步调用示例
 */
public class Main {

    static {
        // 以下为华北2（北京）地域的URL，调用时请将{WorkspaceId}替换为真实的业务空间ID，各地域的URL不同。
        Constants.baseHttpApiUrl = "https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1";
    }

    // 若没有配置环境变量，请用百炼API Key将下行替换为：apiKey="sk-xxx"
    // 各地域的API Key不同。获取API Key：https://help.aliyun.com/zh/model-studio/get-api-key
    static String apiKey = System.getenv("DASHSCOPE_API_KEY");

    // --- Base64编码函数 ---
    // base64编码格式为 data:{MIME_type};base64,{base64_data}
    public static String encodeFile(String filePath) throws IOException {
        byte[] fileContent = Files.readAllBytes(Paths.get(filePath));
        String base64String = Base64.getEncoder().encodeToString(fileContent);
        String mimeType = Files.probeContentType(Paths.get(filePath));
        return "data:" + mimeType + ";base64," + base64String;
    }

    public static void asyncCall() throws ApiException, NoApiKeyException, UploadFileException, IOException {
        /*
         * 图像输入方式说明：
         * 以下提供了三种图片输入方式，三选一即可
         * 1. 使用公网URL - 适合已有公开可访问的图片
         * 2. 使用本地文件 - 适合本地开发测试
         * 3. 使用Base64编码 - 适合私有图片或需要加密传输的场景
         */
        // 【方式一】使用公网图片 URL
        String image1 = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20251229/pjeqdf/car.webp";
        String image2 = "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20251229/xsunlm/paint.webp";

        // 【方式二】使用本地文件（支持绝对路径和相对路径）
        // 格式要求：file:// + 文件路径
        // String image1 = "file:///path/to/your/car.png";
        // String image2 = "file:///path/to/your/paint.png";

        // 【方式三】使用Base64编码的图片
        // String image1 = encodeFile("/path/to/your/car.png");
        // String image2 = encodeFile("/path/to/your/paint.png");

        // 构建多图输入消息
        ImageGenerationMessage message = ImageGenerationMessage.builder()
                .role("user")
                .content(Arrays.asList(
                        // 支持多图输入，可以提供多张参考图片
                        Collections.singletonMap("text", "把图2的涂鸦喷绘在图1的汽车上"),
                        Collections.singletonMap("image", image1),
                        Collections.singletonMap("image", image2)
                )).build();

        ImageGenerationParam param = ImageGenerationParam.builder()
                .apiKey(apiKey)
                .model("wan2.7-image-pro")
                .n(1)
                .size("2K") // wan2.7-image-pro仅文生图场景支持4K分辨率，图像编辑和组图生成支持最高2K分辨率
                .messages(Arrays.asList(message))
                .build();

        ImageGeneration imageGeneration = new ImageGeneration();
        ImageGenerationResult result = null;
        try {
            System.out.println("---async call for image editing, creating task----");
            result = imageGeneration.asyncCall(param);
        } catch (ApiException | NoApiKeyException | UploadFileException e) {
            throw new RuntimeException(e.getMessage());
        }
        System.out.println("任务创建结果:");
        System.out.println(JsonUtils.toJson(result));

        String taskId = result.getOutput().getTaskId();
        // 等待任务完成
        waitTask(taskId);
    }

    public static void waitTask(String taskId) throws ApiException, NoApiKeyException, IOException {
        ImageGeneration imageGeneration = new ImageGeneration();
        System.out.println("\n---waiting for task completion----");
        ImageGenerationResult result = imageGeneration.wait(taskId, apiKey);
        // 提取结果图片URL并保存到本地
        for (int i = 0; i < result.getOutput().getChoices().size(); i++) {
            List<Map<String, Object>> contents = result.getOutput().getChoices().get(i)
                    .getMessage().getContent();
            for (int j = 0; j < contents.size(); j++) {
                if ("image".equals(contents.get(j).get("type"))) {
                    String imageUrl = (String) contents.get(j).get("image");
                    String fileName = "output_" + i + "_" + j + ".png";
                    // 结果URL有效期为24小时，请及时下载
                    try (InputStream in = new URL(imageUrl).openStream()) {
                        Files.copy(in, Paths.get(fileName), StandardCopyOption.REPLACE_EXISTING);
                    }
                    System.out.println("Image saved to " + fileName);
                }
            }
        }
    }

    public static void main(String[] args) throws ApiException, NoApiKeyException, UploadFileException, IOException {
        asyncCall();
    }
}

{
    "requestId": "60a08540-f1c1-9e76-8cd3-d5949db8cxxx",
    "usage": {
        "input_tokens": 18711,
        "output_tokens": 2,
        "total_tokens": 18713,
        "image_count": 1,
        "size": "2985*1405"
    },
    "output": {
        "choices": [
            {
                "finish_reason": "stop",
                "message": {
                    "role": "assistant",
                    "content": [
                        {
                            "image": "https://dashscope-result-bj.oss-cn-beijing.aliyuncs.com/xxxxxx.png?Expires=xxxxxx",
                            "type": "image"
                        }
                    ]
                }
            }
        ],
        "task_id": "8811b4a4-00ac-4aa2-a2fd-017d3b90cxxx",
        "task_status": "SUCCEEDED",
        "finished": true,
        "submit_time": "2026-03-31 19:57:58.840",
        "scheduled_time": "2026-03-31 19:57:58.877",
        "end_time": "2026-03-31 19:58:11.563"
    },
    "status_code": 200,
    "code": "",
    "message": ""
}

{
    "request_id": "810fa5f5-334c-91f3-aaa4-ed89cf0caxxx",
    "output": {
        "task_id": "a81ee7cb-014c-473d-b842-76e98311cxxx",
        "task_status": "SUCCEEDED",
        "submit_time": "2026-03-26 17:16:01.663",
        "scheduled_time": "2026-03-26 17:16:01.716",
        "end_time": "2026-03-26 17:16:22.961",
        "finished": true,
        "choices": [
            {
                "finish_reason": "stop",
                "message": {
                    "role": "assistant",
                    "content": [
                        {
                            "image": "https://dashscope-xxx.oss-xxx.aliyuncs.com/xxx.png?Expires=xxx",
                            "type": "image"
                        }
                    ]
                }
            }
        ]
    },
    "usage": {
        "size": "2976*1408",
        "total_tokens": 11017,
        "image_count": 1,
        "output_tokens": 2,
        "input_tokens": 11015
    }
}