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环境变量设置
export GOBIN=$GOPATH/bin
export PATH=$GOBIN:$PATH
export GOPROXY=https://goproxy.cn/,direct
装置依赖
go get -u github.com/spf13/[email protected]
go get -u github.com/spf13/[email protected]
Cobra 我的项目流程
参考
Create rootCmd
Create your main.go
Create additional commands
Returning and handling errors
# 为了疾速实现我的项目 & 上班,倡议应用 cobra-cli 来实现以上步骤
# 上面的演示也是用 cobra-cli 来实现
应用 Cobra CLI 初始化我的项目
参考
mkdir myapp && cd myapp && go mod init myapp
cobra-cli init
myapp/ $ tree
.
├── cmd
│ └── root.go
├── go.mod
├── go.sum
├── LICENSE
└── main.go
myapp/ $ go run main.go
A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.
// // cmd/root.go
/*
Copyright © 2022 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"os"
"github.com/spf13/cobra"
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "myapp",
Short: "A brief description of your application",
Long: `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
// Uncomment the following line if your bare application
// has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) {},}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {err := rootCmd.Execute()
if err != nil {os.Exit(1)
}
}
func init() {
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "","config file (default is $HOME/.myapp.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
我的项目增加 command
$ cobra-cli add config [10:38:42]
config created at /home/project/myapp
$ ls cmd
config.go root.go
// cmd/config.go
/*
Copyright © 2022 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
// configCmd represents the config command
var configCmd = &cobra.Command{
Use: "config",
Short: "A brief description of your command",
Long: `A longer description that spans multiple lines and likely contains examples
and usage of using your command. For example:
Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files
to quickly create a Cobra application.`,
Run: func(cmd *cobra.Command, args []string) {fmt.Println("config called")
},
}
func init() {rootCmd.AddCommand(configCmd)
// Here you will define your flags and configuration settings.
// Cobra supports Persistent Flags which will work for this command
// and all subcommands, e.g.:
// configCmd.PersistentFlags().String("foo", "","A help for foo")
// Cobra supports local flags which will only run when this command
// is called directly, e.g.:
// configCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
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