# -*- coding: utf-8 -*-
import itchat#安装pip install itchat
import os#用cmd系统指令
from PIL import ImageGrab#截屏pip install pillow
import cv2#摄像头pip install opencv-python
@itchat.msg_register(['Text'])
def message(msg):
    print(msg)
    ToUserName=msg['ToUserName']
    data=msg['Text']
    if ToUserName=='filehelper':
        if data=='关机':
            shutdown()
        if data=='截屏':
            screen()
        if data=='拍照':
            photo()
            
            
def shutdown():
    os.system('shutdown /s /t 0')

def screen(fileName='screen.png'):
    im=ImageGrab.grab(fileName='screen.png')
    im.save(fileName)
    itchat.send_image(fileNmae,'filehelper')
    
def photo(fileName='screen.png'):
    cap=cv2.VideoCapture(0)#读第一个摄像头  
    ret,img=cap.read()
    if ret:
        cv2.imwrite(fileName,img)
        itchat.send_image(fileName,'filehelper')
    else:
        itchat.send('摄像头不能用','filehelper')    
    cap.release
    
#登入并保存登入状态，实现第一次运行时扫码，一定时间内再次运行就不用扫码了，手机微信上将显示：网页微信已登入.....
itchat.auto_login(hotReload=True)
itchat.run()