通过REST从亚马逊S3下载文件(Jax-RS)

<dependency>
    <groupId>javax.ws.rs</groupId>
    <artifactId>javax.ws.rs-api</artifactId>
    <version>2.1.1</version>
</dependency>
<dependency>
    <groupId>org.glassfish.jersey.core</groupId>
    <artifactId>jersey-client</artifactId>
    <version>2.34</version>
</dependency>

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.Response;

public class S3FileDownloader {
    public static void main(String[] args) {
        String s3BucketUrl = "https://s3.amazonaws.com/my-bucket/my-file.txt";
        String accessKey = "YOUR_ACCESS_KEY";
        String secretKey = "YOUR_SECRET_KEY";

        Client client = ClientBuilder.newClient();
        Response response = client.target(s3BucketUrl)
                .request()
                .header("Authorization", "AWS " + accessKey + ":" + secretKey)
                .get();

        if (response.getStatus() == 200) {
            // 下载文件成功
            // 可以将文件保存到本地或进行其他处理
        } else {
            // 下载文件失败
            // 可以根据响应状态码进行相应的处理
        }
    }
}