resttemplate下载文件

import org.springframework.web.client.RestTemplate;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class FileDownloadExample {

    public static void main(String[] args) {
        String fileUrl = "http://example.com/file.zip"; // 文件的URL
        String savePath = "local/path/to/save/file.zip"; // 保存文件的本地路径

        RestTemplate restTemplate = new RestTemplate();

        try {
            // 发送GET请求并获取响应
            InputStream inputStream = restTemplate.getForObject(fileUrl, InputStream.class);

            if (inputStream != null) {
                try (OutputStream outputStream = new FileOutputStream(savePath)) {
                    byte[] buffer = new byte[1024];
                    int bytesRead;
                    while ((bytesRead = inputStream.read(buffer)) != -1) {
                        outputStream.write(buffer, 0, bytesRead);
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}