java 读取网络照片

    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("");

    }

    }