Thanks for your replying.
I'm sorry that I didn't remind that my Client code does not compile.
I've tried your example <https://play.golang.org/p/ISUR7c_Mtqb> with
SetReadDeadline
<https://godoc.org/golang.org/x/net/websocket#Conn.SetReadDeadline>().
It seems like what I want to do.
However, I want to edit "spinner" message instead of "busy" message, as the
followings:
Server <https://play.golang.org/p/9vu0GW5a5Y8> code is the same.
Here is the new Client <https://play.golang.org/p/42e7afx9owU> code.
I only want to show "Wait..." message before reading "Hello!" message.
Nevertheless, the results would be a little mess.
I have no idea what's wrong with the codes.
Thank you very much!
Max
Jake Montgomery於 2020年3月27日星期五 UTC+8上午1時12分07秒寫道：
>
> Your Client <https://play.golang.org/p/CmXjfAJSCY7> code does not
> compile. As a courtesy to those trying to help, it is always good to test
> your code before posting it. A working example, without your "busy"
> messages would be something like: https://play.golang.org/p/cvgwd8GDobc .
> The Read() method documentation
> <https://godoc.org/golang.org/x/net/websocket#Conn.Read> says "Read
> implements the io.Reader interface." So I suggest you *carefully *read
> the io.Reader documentation <https://golang.org/pkg/io/#Reader>, because
> it requires very specific handling to be done correctly.
>
> Also, I did note that golang.org/x/net/websocket documentation
> <https://godoc.org/golang.org/x/net/websocket> states that: "This package
> currently lacks some features found in alternative and more actively
> maintained WebSocket packages." So you may want to consider using one of
> those.
>
> I have not actually used golang.org/x/net
> <https://godoc.org/golang.org/x/net>/websocket myself, but there is a
> SetReadDeadline
> <https://godoc.org/golang.org/x/net/websocket#Conn.SetReadDeadline>()
> function. Because I have not used the package before, there may be some
> hidden pitfalls that I am missing, but this code seems to do what you want,
> using SetReadDeadline
> <https://godoc.org/golang.org/x/net/websocket#Conn.SetReadDeadline>():
> https://play.golang.org/p/ISUR7c_Mtqb
>
> Good luck
>
> On Wednesday, March 25, 2020 at 8:56:57 PM UTC-4, 洪嘉鴻 wrote:
>>
>> I'm sorry.
>> The followings are the complete codes of server and client:
>> Server <https://play.golang.org/p/9vu0GW5a5Y8>
>> Client <https://play.golang.org/p/CmXjfAJSCY7>
>>
>> Thank you very much!
>> Max
>>
>> Jake Montgomery於 2020年3月25日星期三 UTC+8下午9時28分37秒寫道：
>>>
>>> You do not provide enough information to give a really good answer.
>>> There are a number of ways to achieve this, but they depend on the details.
>>> A more complete example would help.
>>>
>>> What is the type of `ws`? If it is something on which you can set a read
>>> timeout, then one way would be to set a timeout, and loop.
>>>
>>> On Wednesday, March 25, 2020 at 4:10:19 AM UTC-4, 洪嘉鴻 wrote:
>>>>
>>>> Hello everyone:
>>>> The version of the golang which I am using is 1.12.9 with Win10.
>>>> I want to print something while the client is waiting for server.
>>>> The following are the partial code of server and client.
>>>>
>>>> Server:
>>>> time.Sleep(time.Second * 100)
>>>> ws.Write([]byte("Hello!"))
>>>>
>>>> Client:
>>>> while(!ws.Read(msg)){
>>>> fmt.Println("Please wait because server is busy.")
>>>> }
>>>>
>>>> Can anyone suggest how to fix the code?
>>>>
>>>> Any help is appreciated.
>>>> Thank you very much!
>>>> Max
>>>>
>>>
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