go语言的cobra库如何输出commands
时间: 2024-03-29 15:40:10 浏览: 29
要输出Cobra库中的Commands,可以使用以下代码:
```go
package main
import (
"fmt"
"github.com/spf13/cobra"
)
func main() {
rootCmd := &cobra.Command{
Use: "myapp",
Short: "My app does amazing things",
Long: "My app is a CLI tool for doing amazing things.",
}
cmd1 := &cobra.Command{
Use: "command1",
Short: "Command 1 does something",
Long: "Command 1 does something very useful",
}
cmd2 := &cobra.Command{
Use: "command2",
Short: "Command 2 does something else",
Long: "Command 2 does something else very useful",
}
rootCmd.AddCommand(cmd1, cmd2)
fmt.Println("Commands:")
for _, c := range rootCmd.Commands() {
fmt.Printf(" - %s: %s\n", c.Use, c.Short)
}
}
```
在上面的示例中,我们创建了一个名为`myapp`的根命令,然后我们创建了两个子命令`command1`和`command2`,然后我们将它们添加到根命令中。最后,我们使用`rootCmd.Commands()`方法获取所有命令,并将它们输出到控制台上。
输出将如下所示:
```
Commands:
- command1: Command 1 does something
- command2: Command 2 does something else
```
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