下載圖片

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

public static void main(String[] args) {
        // TODO Auto-generated method stub
　　　　//圖片線上地址：xxx
 

        File file1=new File("xxx");
        String name = file1.getName();
        File file2=new File("F:\\bbb\\"+name);//本地地址
        try {
            URL url = new URL("https://hlww.oss-cn-shanghai.aliyuncs.com/hlww/pic/img_32_1521892791.jpeg ");
            BufferedInputStream in = new BufferedInputStream(url.openStream());
            FileOutputStream out 
 
= new FileOutputStream(file2);
             int t;
              while ((t = in.read()) != -1) {
                  out.write(t);
              }
              out.close();
              in.close();
              System.out.println("圖片獲取成功");
                
        }catch (FileNotFoundException e) {
                    
 
// TODO Auto-generated catch block
                    e.printStackTrace();    
        } catch (MalformedURLException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        System.out.println("fileName:"+name);
        String prefix1=name.substring(name.lastIndexOf("."));
        System.out.println(prefix1+".....");
    }

從阿裏雲下載圖片到本地