如何在眼镜蛇 golang 中使用子命令？

Question

我找不到使用该示例的方法./client echo --times 10 "coucou" ./client  --times 10 "coucou" echo没办法使用它...抱歉我的错误。最好的问候，尼古拉斯    func main() {    var echoTimes int    var cmdEcho = &cobra.Command{        Use:   "echo [string to echo]",        Short: "Echo anything to the screen",        Long:  `echo is for echoing anything back.        Echo works a lot like print, except it has a child command.        `,        Run: func(cmd *cobra.Command, args []string) {            fmt.Println("Print: " + strings.Join(args, " "))        },    }    var cmdTimes = &cobra.Command{        Use:   "times [# times] [string to echo]",        Short: "Echo anything to the screen more times",        Long:  `echo things multiple times back to the user by providing        a count and a string.`,        Run: func(cmd *cobra.Command, args []string) {            for i:=0; i < echoTimes; i++ {                fmt.Println("Echo: " + strings.Join(args, " "))            }        },    }    cmdTimes.Flags().IntVarP(&echoTimes, "times", "t", 1, "times to echo the input")    var rootCmd = &cobra.Command{Use: "app"}    rootCmd.AddCommand(cmdEcho)    cmdEcho.AddCommand(cmdTimes)    rootCmd.Execute()}

Answer 1

如果times是命令，则不应以“ --”作为前缀。

您可以在其中看到的示例cobra_test.go展示了以下times用途：

echo times -j 99 one two

echo times -s again -c test here

Answer 2

例如，如果您执行的文件名为app，只需运行

$./app echo times -t 3 hello

 Echo: hello

 Echo: hello

 Echo: hello

或者

$./app echo times --times=3 hello

Echo: hello

Echo: hello

Echo: hello