java实现通过图片的URL地址下载图片

向右看齐 2023-08-17 15:54 82阅读 0赞

# 直接上代码： #

package com.lemon.photo;
    
    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 ReadPhotoUrl {
        
        
        public static void main(String[] args) {
            String url =
                    "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1569407230663&di=51db9c03ac5432c1cdf94cd4fdabb5a4&imgtype=0&src=http%3A%2F%2Fb-ssl.duitang.com%2Fuploads%2Fblog%2F201310%2F18%2F20131018213535_2yTwn.jpeg";
                    String path="d:/pic.png";
            downloadPicture(url,path);
        }
        
        //链接url下载图片
        /**
         * 功能描述: 
         * @param:  urlList  图片url地址
         * @param:  path     下载到本地的路径
         * @return: void
         * @author: lemon
         * @since: 2019/9/27 0027
         */
        private static void downloadPicture(String urlList,String path) {
            
            try {
                URL url = new URL(urlList);
                DataInputStream dataInputStream = new DataInputStream(url.openStream());
                FileOutputStream fileOutputStream = new FileOutputStream(new File(path));
                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();
            }
        }
    }