你可以像这样做: 你可以这样做 ByteBuffer b3 = ByteBuffer.allocate(b1.limit() + b2.limit()); b3.put(b1); b3.put(b2);
rewind
操作。参考链接:https://stackoverflow.com/questions/48257336/java-crc32-update-on-concatenated-bytebuffer - Erwin Bolwidt