String content; int n; StringBuilder sb = new StringBuilder(); while ((n = input.read()) != -1) { sb.append((char) n); } content = sb.toString(); return content;
ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = -1; while ((len = inputStream.read(buffer)) != -1) { outSteam.write(buffer, 0, len); } outSteam.close(); inputStream.close(); return outSteam.toByteArray();
这两种不同的方式有什么优缺点,为什么这样用,求求解