Java语言作为静态面向对象编程语言的代表,极好地实现了面向对象理论,允许程序员以优雅的思维方式进行复杂的`编程。以下是小编为大家搜索整理的如何利用java读取网络照片,希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!
import eredInputStream;
import eredOutputStream;
import OutputStream;
import URLConnection;
import ;
import onnection;
/*. *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 = Connection(); // 试图连接并取得返回状态码ect();
HttpURLConnection httpconn = (HttpURLConnection) urlconn;
HttpResult = esponseCode();
tln(HttpResult);
if (HttpResult != _OK) // 不等于HTTP_OK说明连接不成功t("fail");
else {
int filesize = ontentLength(); // 取数据长度tln(filesize);
BufferedInputStream bis=new BufferedInputStream(nputStream());
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 = (buffer); // 读入到缓冲区
if (num ==-1){
h();
break; //已经读完
}
h();
e(buffer,0,num);
}
e();
e();
}
}
public static void main(String[] args) throws Exception{
rlImg("java中equals和==的区别