如何利用java讀取網絡照片
Java語言作為靜態面向對象編程語言的代表，極好地實現了面向對象理論，允許程序員以優雅的思維方式進行復雜的編程。以下是小編為大家搜索整理的如何利用java讀取網絡照片，希望能給大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
/*. *讀取網絡照片，保存到本地
* */
public class GetUrlImg {
public static void getUrlImg(String URLName,String target) throws Exception {/pic/p>
/pic/p>
int HttpResult = 0; /pic/p>
URL url = new URL(URLName); /pic/p>
URLConnection urlconn = url.openConnection(); /pic/p>
HttpURLConnection httpconn = (HttpURLConnection) urlconn;
HttpResult = httpconn.getResponseCode();
System.out.println(HttpResult);
if (HttpResult != HttpURLConnection.HTTP_OK) /pic/p>
else {
int filesize = urlconn.getContentLength(); /pic/p>
BufferedInputStream bis=new BufferedInputStream(urlconn.getInputStream());
BufferedOutputStream bos=new BufferedOutputStream(new FileOutputStream(target));
byte[] buffer = new byte[1024]; /pic/p>
int num = -1; /pic/p>
while (true) {
num = bis.read(buffer); /pic/p>
if (num ==-1){
bos.flush();
break; /pic/p>
}
bos.flush();
bos.write(buffer,0,num);
}
bos.close();
bis.close();
}
}
public static void main(String[] args) throws Exception{
GetUrlImg.getUrlImg("java中equals和==的區別
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