Java - 通过图片链接将其下载到本地服务器
作者:互联网
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
public class DownloadPicture {
public static void main(String[] args) {
// 本地
downloadPictureToServer("https://game.gtimg.cn/images/lol/act/img/rune/Predator.png", "d://user/1.png");
// 服务器/img/1.png
downloadPictureToServer("https://game.gtimg.cn/images/lol/act/img/rune/Predator.png", "/img/1.png");
}
/**
* @Title: downloadPicture
* @Description: 链接url下载图片到服务器
* @param urlList 图片链接地址,如:https://game.gtimg.cn/images/lol/act/img/rune/Predator.png
* @param path 文件存放路径及名称,如:/springtest/item/2021-12-24/1640323863344/F00413-6.png
*/
public static void downloadPictureToServer(String urlList, String path) {
URL url = null;
try {
url = new URL(urlList);
DataInputStream dataInputStream = new DataInputStream(url.openStream());
File file = new File(path);
if(!file.exists()){
file.getParentFile().mkdirs();
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
}
FileOutputStream fileOutputStream = new FileOutputStream(file);
ByteArrayOutputStream output = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int length;
while ((length = dataInputStream.read(buffer)) > 0) {
output.write(buffer, 0, length);
}
fileOutputStream.write(output.toByteArray());
dataInputStream.close();
fileOutputStream.close();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
标签:Java,img,java,new,io,import,服务器,图片链接,png 来源: https://blog.csdn.net/yiguang_820/article/details/122161152