java CRC32 校验

测试地址 https://www.lammertbies.nl/comm/info/crc-calculation 代码 ByteBuf byteBuf = Unpooled.buffer(); CRC32 crc32 = new CRC32(); crc32.update(byteBuf.copy.array()); long value = crc32.getValue(); byteBuf.writeInt((int)value);