学步园

/**
 * 从互联网获取图片且保存到指定目录里
 */
public class InternetTest {
	 public void getImg() throws Exception{
		 String uriPath="http://i0.itc.cn/20101116/62d_67fd2b2a_207d_4de2_a4f9_fb93cc8da492_0.jpg";
		 URL url=new URL(uriPath);
		 HttpURLConnection conn=(HttpURLConnection)url.openConnection();
		 conn.setConnectTimeout(66*1000);
		 if(conn.getResponseCode()!=200)
			 throw new RuntimeException("请求url失败");
		 InputStream inStream=conn.getInputStream();
		 this.readAsFile(inStream, new File("sohu.jpg"));
	 }
	 
	 public static void readAsFile(InputStream inStream, File file) throws Exception{
		 FileOutputStream outStream=new FileOutputStream(file);
		 byte[] buffer=new byte[1024];
		 int len=-1;
		 while((len=inStream.read(buffer))!=-1){
			 outStream.write(buffer,0,len);
		 }
		 outStream.close();
		 inStream.close();
	 }
}