一筐愿望
2017-03-20 15:07
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Java:使用URL下载图片为何图片下载不完全呢?

 import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

public class Client {
    public static void main(String[] args) {
        try {
            URL url = new URL("http://www.iteye.com/upload/logo/user/1177132/a7159cc1-b11a-3122-9a9d-5183d6c6ba99.jpg");
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setConnectTimeout(5 * 1000);
            InputStream inputStream = connection.getInputStream();
            byte[] tmp = new byte[1024];
            int length;
            OutputStream outputStream = new FileOutputStream("E:" + File.separator + "eee.jpg");
            while ((length = inputStream.read(tmp)) != -1) {
                outputStream.write(tmp, 0, length);
            }
            outputStream.close();
            inputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

图片URL:
http://www.iteye.com/upload/logo/user/1177132/a7159cc1-b11a-3122-9a9d-5183d6c6ba99.jpg
图片有3K,但我下载后图片只有2K这是为什么呢?

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