如何通过Java获取这张HTTPS图片?

How can I get this HTTPS picture by Java?

https://t.williamgates.net/image-E026_55A0B5BB.jpg

我试过 HttpURLConnectionHttpsURLConnection,总是遇到这个异常:

javax.net.ssl.SSLException: Received fatal alert: internal_error

有人可以帮助解决这个问题吗?可以的话给我一些代码,谢谢!

我想这就是你需要的..

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;

public class ReadImages {

    public static void main(String[] args) {
        try {
            BufferedImage img = ImageIO.read(new URL("https://t.williamgates.net/image-E026_55A0B5BB.jpg").openStream());
            ImageIO.write(img, "jpg", new File("image.jpg"));
        } catch (IOException ex) {
            Logger.getLogger(ReadImages.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

你应该参考以下内容类

  1. java.awt.image.BufferedImage
  2. javax.imageio.ImageIO
  3. java.net.URL

对任何文件试试这个,而不仅仅是图像:

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;

public class DownloadFiles {

    public static void main(String[] args) throws MalformedURLException, IOException {
        InputStream in = new BufferedInputStream(new URL("https://t.williamgates.net/image-E026_55A0B5BB.jpg").openStream());
        OutputStream out = new BufferedOutputStream(new FileOutputStream(new File("img.jpg")));

        int data;
        while((data = in.read()) != -1){
            out.write(data);
        }
        in.close();
        out.close();       
    }
}

当您使用 in.read(byte b[], int off, int len) 方法而不是 in.read() 时,您可以使其更快。只是 google 举个例子。