通过字节流下载网络图片到本地案例
package com.zhangxueliang.demo; import java.io.*; import java.net.URL; public class URLDemo { public static void main(String[] args) throws Exception { URL url = new URL("http://f.hiphotos.baidu.com/image/pic/item/b3119313b07eca80787730f59f2397dda14483b5.jpg"); String file = url.getFile(); System.out.println("==========> "+file); InputStream is = url.openStream(); File f = new File("D:\\tempppppppp6666\\123"); if (!f.exists()) f.mkdirs(); OutputStream os = new FileOutputStream(new File(f,"a.jpg")); int len; byte[] bys = new byte[1024]; while ((len=is.read(bys))!=-1){ os.write(bys,0,len); } os.close(); is.close(); } }