fsnotify库

安装

 go get github.com/fsnotify/fsnotify

import (
	"bytes"
	"compress/gzip"
	"encoding/json"
	"fmt"
	"github.com/fsnotify/fsnotify"
	"io/ioutil"
	"log"
	"os"
	"strings"
	"time"
)
func ListenFolderNew() {
	fmt.Print("-----文件夹监听-------")
	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		log.Fatal(err)
	}
	defer watcher.Close()

	done2 := make(chan bool)
	go func() {
		for {
			select {
			case event, ok := <-watcher.Events:
				fmt.Println("***********event")
				if !ok {
					return
				}
				fmt.Println("event.Op=>%#v", event.Op)
				fmt.Println("文件操作类型判断是不是新建一个文件：%#v", event.Op&fsnotify.Create == fsnotify.Create)
				if event.Op&fsnotify.Create == fsnotify.Create {
					fmt.Println("*Create**event")
					fmt.Println("新的文件:", event.Name)
					mate := strings.Split(event.Name, "\\")
					fileName := mate[len(mate)-1]
				}
			case err := <-watcher.Errors:
				log.Println("error:", err)
			case <-time.After(60 * time.Second):
				continue
			}

		}
	}()
	err = watcher.Add("D:/file")
	if err != nil {
		log.Fatal(err)
	}
	<-done2
}