java 读取网络图片

import java.io.BufferedInputStream;
　　import java.io.BufferedOutputStream;
　　import java.io.FileOutputStream;
　　import java.net.HttpURLConnection;
　　import java.net.URL;
　　import java.net.URLConnection;
　　/*. *读取网络照片，保存到本地
　　* */
　　public class GetUrlImg {
　　public static void getUrlImg(String URLName,String target) throws Exception {//URLName照片地址
　　// target本地地址
　　int HttpResult = 0; //服务器返回的状态
　　URL url = new URL(URLName); //创建URL
　　URLConnection urlconn = url.openConnection(); // 试图连接并取得返回状态码urlconn.connect();
　　HttpURLConnection httpconn = (HttpURLConnection) urlconn;
　　HttpResult = httpconn.getResponseCode();
　　System.out.println(HttpResult);
　　if (HttpResult != HttpURLConnection.HTTP_OK) // 不等于HTTP_OK说明连接不成功System.out.print("fail");
　　else {
　　int filesize = urlconn.getContentLength(); // 取数据长度System.out.println(filesize);
　　BufferedInputStream bis=new BufferedInputStream(urlconn.getInputStream());
　　BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(target));
　　byte[] buffer = new byte[1024]; //创建存放输入流的缓冲
　　int num = -1; //读入的字节数
　　while (true) {
　　num = bis.read(buffer); // 读入到缓冲区
　　if (num ==-1){
　　bos.flush();
　　break; //已经读完
　　}
　　bos.flush();
　　bos.write(buffer,0,num);
　　}
　　bos.close();
　　bis.close();
　　}
　　}
　　public static void main(String[] args) throws Exception{
　　GetUrlImg.getUrlImg
}