go-ini

倉庫：go-ini/ini: Package ini provides INI file read and write functionality in Go (github.com)

文檔：go-ini/ini: 超贊的 Go 語言 INI 文件操作 (unknwon.cn)

簡介

使用Go語言編寫的ini文件的解析庫，支持序列化和反序列，支持結構體映射，支持注釋操作。

安裝

go get gopkg.in/ini.v1

快速開始

ini文件如下

# possible values : production, development
app_mode = development

[paths]
# Path to where grafana can store temp files, sessions, and the sqlite3 db (if that is used)
data = /home/git/grafana

[server]
# Protocol (http or https)
protocol = http

# The http port  to use
http_port = 9999

# Redirect to correct domain if host header does not match domain
# Prevents DNS rebinding attacks
enforce_domain = true

go文件

package main

import (
    "fmt"
    "os"

    "gopkg.in/ini.v1"
)

func main() {
    cfg, err := ini.Load("my.ini")
    if err != nil {
        fmt.Printf("Fail to read file: %v", err)
        os.Exit(1)
    }

    // 典型讀取操作，默認分區可以使用空字符串表示
    fmt.Println("App Mode:", cfg.Section("").Key("app_mode").String())
    fmt.Println("Data Path:", cfg.Section("paths").Key("data").String())

    // 我們可以做一些候選值限制的操作
    fmt.Println("Server Protocol:",
        cfg.Section("server").Key("protocol").In("http", []string{"http", "https"}))
    // 如果讀取的值不在候選列表內，則會回退使用提供的默認值
    fmt.Println("Email Protocol:",
        cfg.Section("server").Key("protocol").In("smtp", []string{"imap", "smtp"}))

    // 試一試自動類型轉換
    fmt.Printf("Port Number: (%[1]T) %[1]d\n", cfg.Section("server").Key("http_port").MustInt(9999))
    fmt.Printf("Enforce Domain: (%[1]T) %[1]v\n", cfg.Section("server").Key("enforce_domain").MustBool(false))

    // 差不多了，修改某個值然後進行保存
    cfg.Section("").Key("app_mode").SetValue("production")
    cfg.SaveTo("my.ini.local")
}

輸出

$ go run main.go
App Mode: development
Data Path: /home/git/grafana
Server Protocol: http
Email Protocol: smtp
Port Number: (int) 9999
Enforce Domain: (bool) true

$ cat my.ini.local
# possible values : production, development
app_mode = production

[paths]
# Path to where grafana can store temp files, sessions, and the sqlite3 db (if that is used)
data = /home/git/grafana
...