config.go

package config

import (
	"bufio"
	"encoding/json"
	"fmt"
	"os"
	"strings"
)

func Unmarshal(filePath string, v interface{}) (err error) {

	jsonStr, err := unmarshal(filePath)
	if err != nil {
		return
	}
	err = json.Unmarshal([]byte(jsonStr), v)
	return
}

func unmarshal(filePath string) (jsonStr string, err error) {
	jsonStr, err = readFile(filePath)
	if err != nil {
		return
	}
	return
}

func readFile(filePath string) (jsonStr string, err error) {
	f, err := os.Open(filePath)
	if err != nil {
		println("os open err", err)
		return
	}
	defer f.Close()
	tmpJson := []string{}
	scanner := bufio.NewScanner(f)
	for scanner.Scan() {
		str := scanner.Text()
		if strings.HasPrefix(str, "#") {
			continue
		}
		if strings.TrimSpace(str) == ""{
			continue
		}
		s := strings.Split(scanner.Text(), ":")
		tmp := fmt.Sprintf("\"%s\":%s", s[0], strings.Join(s[1:], ":"))
		tmpJson = append(tmpJson, tmp)
	}
	jsonStr = fmt.Sprintf("{%s}", strings.Join(tmpJson, ","))
	return
}