----------------------- Channels | ----------------------- # Channel 的工具类 ----------------------- Channels-é™æ€æ–¹æ³• | ----------------------- ReadableByteChannel newChannel(InputStream in) * 从 InputStream èŽ·å– ReadableByteChannel WritableByteChannel newChannel(final OutputStream out) * 从 OutputStream èŽ·å– WritableByteChannel