smart_canteen/app/utils/file.go

package utils

import (
	"os"
	"path"
	"strings"
	"time"
)

// 获取文件后缀
func FileExt(fname string) string {
	return strings.ToLower(strings.TrimLeft(path.Ext(fname), "."))
}

func FilePutContents(fileName string, content string) {
	fd, _ := os.OpenFile("./tmp/"+fileName+".log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
	fd_time := time.Now().Format("2006-01-02 15:04:05")
	fd_content := strings.Join([]string{"[", fd_time, "] ", content, "\n"}, "")
	buf := []byte(fd_content)
	fd.Write(buf)
	fd.Close()
}