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

public class HttpGetImg {
    public void getImg(){
        try {
            String imgAddress = "http://cdn.haoceyan.com/584_GLTTLXJ6_1025U4B5YFL7_1_1?imageMogr/auto-orient/crop/!106x28a60a441/quality/80"
            URL url = new URL(imgAddress);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();

            // 設定連線超時時間
            conn.setConnectTimeout(3000);
            InputStream inputStream = null;

// 正常響應時獲取輸入流, 在這裡也就是圖片對應的位元組流
            if (conn.getResponseCode() == 200) {
                inputStream = conn.getInputStream();
                System.out.println(inputStream.available());
            }

            byte[] buffer = new byte[1024];
            int length = 0;

            // 這裡是輸出到工程根目錄下
            FileOutputStream fileOutputStream = new FileOutputStream("d://myavatar.jpg");

            // 將輸入流迴圈寫到關聯檔案的輸出流
            while ((length = inputStream.read(buffer)) > 0) {
                fileOutputStream.write(buffer, 0, length);
            }
            System.out.println("end");
// 釋放資源
            inputStream.close();
            fileOutputStream.close();
        }catch (Exception e) {
            e.printStackTrace();
        }

    }
}