standard/toml/unmarshal/unmar.go

package main

import (
	"fmt"
	"github.com/spf13/viper"
	"log"
	"time"
)

type database struct {
	Server string
	Ports  []int
}

type config struct {
	Database database
}

func main() {
	viper.SetConfigName("example")
	viper.SetConfigType("toml")
	viper.AddConfigPath("../")
	if err := viper.ReadInConfig(); err != nil {
		log.Fatal("read config failed,err:", err)
	}
	var c config
	viper.Unmarshal(&c)
	fmt.Println(c.Database.Ports[1])

	viper.WatchConfig()
	fmt.Println("redis port before sleep: ", viper.Get("database.server"))
	time.Sleep(time.Second * 10)
	fmt.Println("redis port after sleep: ", viper.Get("database.server"))

}