重写的话，约定基类方法必须先执行
public override void UnpackageBody<TReader>(
ref TReader reader
)
where TReader : IBytesReader
Public Overrides Sub UnpackageBody(Of TReader As IBytesReader) (
ByRef reader As TReader
)abstract UnpackageBody :
reader : 'TReader byref -> unit when 'TReader : IBytesReader
override UnpackageBody :
reader : 'TReader byref -> unit when 'TReader : IBytesReader[缺少 "M:TouchSocket.Core.MsgRouterPackage.UnpackageBody``1(``0@)" 的 <param name="reader"/> 文档]
[缺少 "M:TouchSocket.Core.MsgRouterPackage.UnpackageBody``1(``0@)" 的 <typeparam name="TReader"/> 文档]