package constants // 消息类型 type MessageFrameType uint8 const ( FrameData MessageFrameType = 0x0 FramePing MessageFrameType = 0x1 FrameErr MessageFrameType = 0x9 FrameAck MessageFrameType = 0x2 FrameNoAck MessageFrameType = 0x3 ) type ChatType int const ( GroupChatType ChatType = iota + 1 SingleChatType )