使用cobra，所以在命令启动上进行了包装
- 总体
$ go run main.go --help
chat demo
Usage:
chat [command]
Available Commands:
client Start client
help Help about any command
server Starts a chat server
Flags:
-h, --help help for chat
-v, --version version for chat
Use "chat [command] --help" for more information about a command.- 服务端
$ go run main.go server --help
Starts a chat server
Usage:
chat server [flags]
Flags:
-h, --help help for server
-l, --listen string listen address (default ":8000")
-i, --serverid string server id (default "demo")
- 客户端
$ go run main.go client --help
Start client
Usage:
chat client [flags]
Flags:
-a, --addr string server address (default "ws://127.0.0.1:8000")
-h, --help help for client
-u, --user string server user