Java学习笔记之网络编程基础-通过URL获取网络图片

package com.kkoolerter;

import java.io.DataInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.net.URL;

public class GetImageByURL {

/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
URL url = new URL(
"http://hiphotos.baidu.com/baidu/pic/item/697e2a3fb95157a655e7234c.jpg");
DataInputStream dis = new DataInputStream(url.openStream());
OutputStream os = new FileOutputStream(new File("download.jpg"));
byte buffer[] = new byte[1024];
int len = -1;
while((len = dis.read(buffer))!=-1){
os.write(buffer, 0, len);
}

os.close();
dis.close();

}

}
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