<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.14</version>
</dependency>

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

public class ImageDownloader {

    public static void main(String[] args) {
        // 圖片URL
        String imageUrl = "https://example.com/image.jpg";
        // 本地保存路徑
        String destinationFilePath = "C:\\Users\\YourUsername\\Desktop\\downloaded_image.jpg";

        // 代理信息
        String proxyHost = "www.16yun.cn";
        int proxyPort = 5445; // 確保端口是整數(shù)類型
        String proxyUser = "16QMSOML";
        String proxyPass = "280651";

        try {
            downloadImage(imageUrl, destinationFilePath, proxyHost, proxyPort, proxyUser, proxyPass);
            System.out.println("圖片下載完成，保存路徑：" + destinationFilePath);
        } catch (IOException | URISyntaxException e) {
            System.err.println("下載失?。? + e.getMessage());
        }
    }

    /**
     * 下載圖片并保存到本地
     * @param imageUrl 圖片的URL
     * @param destinationFilePath 本地保存路徑
     * @param proxyHost 代理服務(wù)器地址
     * @param proxyPort 代理服務(wù)器端口
     * @param proxyUser 代理服務(wù)器用戶名
     * @param proxyPass 代理服務(wù)器密碼
     * @throws IOException 如果發(fā)生I/O錯誤
     * @throws URISyntaxException 如果URL格式不正確
     */
    public static void downloadImage(String imageUrl, String destinationFilePath, 
                                     String proxyHost, int proxyPort, 
                                     String proxyUser, String proxyPass) 
                                     throws IOException, URISyntaxException {
        // 創(chuàng)建憑證提供器
        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(
                new AuthScope(proxyHost, proxyPort),
                new UsernamePasswordCredentials(proxyUser, proxyPass)
        );

        // 創(chuàng)建HttpClient實例并設(shè)置代理和憑證
        HttpClient client = HttpClients.custom()
                                       .setProxy(new HttpHost(proxyHost, proxyPort))
                                       .setDefaultCredentialsProvider(credentialsProvider)
                                       .build();

        // 創(chuàng)建HttpGet請求
        HttpGet request = new HttpGet(new URI(imageUrl));

        try {
            // 發(fā)送請求并獲取響應(yīng)
            HttpResponse response = client.execute(request);

            // 檢查響應(yīng)狀態(tài)碼
            if (response.getStatusLine().getStatusCode() == 200) {
                // 獲取響應(yīng)實體
                HttpEntity entity = response.getEntity();

                // 將響應(yīng)實體轉(zhuǎn)換為字節(jié)數(shù)組
                byte[] imageData = EntityUtils.toByteArray(entity);

                // 創(chuàng)建本地文件
                File destinationFile = new File(destinationFilePath);
                try (FileOutputStream fos = new FileOutputStream(destinationFile)) {
                    // 將圖片數(shù)據(jù)寫入本地文件
                    fos.write(imageData);
                }

                System.out.println("圖片已成功保存到：" + destinationFilePath);
            } else {
                System.err.println("無法下載圖片，服務(wù)器返回狀態(tài)碼：" + response.getStatusLine().getStatusCode());
            }
        } finally {
            // 關(guān)閉請求
            request.releaseConnection();
        }
    }
}

HttpHost proxy = new HttpHost("代理服務(wù)器地址", 代理服務(wù)器端口);
HttpClient client = HttpClients.custom()
                                .setProxy(proxy)
                                .build();

try {
    downloadImage(imageUrl, destinationFilePath);
} catch (URISyntaxException e) {
    System.err.println("URL格式錯誤：" + e.getMessage());
} catch (IOException e) {
    System.err.println("I/O錯誤：" + e.getMessage());
} catch (Exception e) {
    System.err.println("未知錯誤：" + e.getMessage());
}