从一个URL下载原始数据,基于byte字节
public static byte[] loadRawDataFromURL(String u) throws Exception { URL url = new URL(u); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); InputStream is = conn.getInputStream(); BufferedInputStream bis = new BufferedInputStream(is); ByteArrayOutputStream baos = new ByteArrayOutputStream(); final int BUFFER_SIZE = 2048; final int EOF = -1; int c; byte[] buf = new byte[BUFFER_SIZE]; while (true) { c = bis.read(buf); if (c == EOF) break; baos.write(buf, 0, c); } conn.disconnect(); is.close(); byte[] data = baos.toByteArray(); baos.flush(); return data; }
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