hhstore
commented
3 years ago Go 命令行参数解析:
需求:
- main.go 需要通过命令行传参, 调用执行不同分支.
- 具体传参方式:
- 命令行: 传参
- env: 环境变量传参
- config file: 配置文件传参
包推荐:
- https://github.com/urfave/cli
- ⭐⭐⭐⭐⭐
- 应该是最强, 如上各种传参方式, 都支持.
- 跨平台: osx/Linux/Windows
go-micro选择此包.
- https://github.com/spf13/cobra
- ⭐⭐⭐
- 虽然广泛使用, 但是不喜欢. 对项目有侵入性.
- https://github.com/docopt/docopt.go
- https://github.com/alexflint/go-arg
urfave/cli:
docs:
别名: https://github.com/urfave/cli/blob/master/docs/v2/manual.md#alternate-names 参数排序: https://github.com/urfave/cli/blob/master/docs/v2/manual.md#ordering 环境变量取参: https://github.com/urfave/cli/blob/master/docs/v2/manual.md#values-from-the-environment 配置文件取参: https://github.com/urfave/cli/blob/master/docs/v2/manual.md#values-from-files
使用方式:
- install:
GO111MODULE=on go get -u -v github.com/urfave/cli/v2- usage:
import (
"github.com/urfave/cli/v2" // imports as package "cli"
)
related: