<img src="http://localhost:8080/getIcon/1" class="slide-image">

import javax.imageio.ImageIO;
import javax.imageio.stream.ImageOutputStream;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * Created by lanouhn on 17/7/18.
 */
public class JavaNetRequestImg {
  public static void main(String [] args){
    //輸入一個圖片網(wǎng)址，將其獲取到桌面
    //1.處理網(wǎng)址URL
    //2.通過網(wǎng)址打開網(wǎng)絡(luò)鏈接
    //3.判斷網(wǎng)絡(luò)響應(yīng)
    //4.讀取圖片文件流
    //5.創(chuàng)建圖片存儲文件路徑，將文件流寫進(jìn)新創(chuàng)建的文件

    HttpURLConnection connection=null;
    URL url=null;
    try {
        String myurl="http://img3.duitang.com/uploads/item/201606/03/20160603120505_rwQJP.jpeg";
        url = new URL(myurl);
        connection=(HttpURLConnection) url.openConnection();
        int code=connection.getResponseCode();

          if(code == 200){  //響應(yīng)成功
              BufferedImage image=ImageIO.read(connection.getInputStream()); //讀取圖片文件流
              String path="/Users/lanouhn/Desktop/moya.jpeg";  //創(chuàng)建存儲圖片文件的路徑
              File file=new File(path);
              ImageIO.write(image,"jpeg",  file);  //將圖片寫進(jìn)創(chuàng)建的路徑
          }
        } catch (MalformedURLException e) {
          e.printStackTrace();
        } catch (IOException e) {
          e.printStackTrace();
        }
  }

}