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What should the ultimate LAN transmission experience be like

Just one step , Double click the software to start sharing , No deployment required , No need to configure , Near zero learning costs

Open the folder you want to share
Double click to share （ Start sharing , Just double click to run ）
Send the sharing link to your friends
Small partners download the required files through links
Turn off sharing

Why is it

Simple ：
- No installation required , Single file , Double click the running program to share , No deployment required , No need to configure
- The program is less than 100k, Download at any time , Run at any time
Fast
- LAN based transmission , Do not use Internet broadband , No traffic consumption
- Point to point direct transmission , No need to upload first , The process of downloading again
Security
- LAN based transmission , No middleman , Data will not be stored in any third party , Put an end to information leakage

windows End use instructions

Download LAN sharer
take 「 Sharer 」 Put it in the folder you want to share , If you want to share desktop files , That will 「 Sharer 」 Just put it on the desktop
double-click 「 Sharer 」
Right click 「 Sharer 」, Click to open the sharing page , Open the folder page you are sharing in the browser
Copy the link , Send to small partners , If you visit this link, you will get the same page
Click the link in the page , You can download the file . If it is a media file , The browser will open the preview function , Sure ctrl + s Save the file
principle ：
- Because I am right windows Development is not familiar with , stay windows You can find your best friend , This is the simplest tool .
- No author information found for this tool , I can only say thank you in silence .

mac End use instructions

Click on Download LAN sharer , obtain 「 Sharer 」 file
take 「 Sharer 」 Put it in the folder you want to share , If you want to share desktop files , That will 「 Sharer 」 Just put it on the desktop
Double-click on the run 「 Sharer 」
「 Sharer 」 The folder page you are sharing will automatically open in the browser
Copy the link , Send to small partners , If you visit this link, you will get the same page
Click the link in the page , You can download the file . If it is a media file , The browser will open the preview function , Sure ctrl + s Save the file
The transmission speed of LAN is faster , In general, it can achieve 3m/s, Realize the fast transmission of large files

principle ： This is an easy one python Script , With the help of python The command to quickly set up the server SimpleHTTPServer.mac The system has built-in python, No need to install in advance , Therefore, there is no pre environment requirement .

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import webbrowser
import socket
import random
import sys
import os

#  Get local  ip
try:
  s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  s.connect(('8.8.8.8', 80))
  ip = s.getsockname()[0]
finally:
  s.close()
print(ip)

#  Use random port 
randomPort = random.randint(20000, 30000)
#  Use the default browser , Open the shared page 
webbrowser.open('http://' + ip + ':' + str(randomPort))
#  Open the target folder to share 
os.chdir(sys.path[0])
#  Start the service , Build static file service 
os.system('python -m SimpleHTTPServer ' + str(randomPort))

mac If the client encounters an execution permission problem

mac If you are prompted that you do not have permission to execute the software , You need to give permission , However, the authorization process only needs to be performed once , Subsequent use does not require re authorization .
open mac Self contained 「 terminal 」 Software
Input chmod +x , Drag the software into the terminal , Automatically get the path of the software .
enter , Complete authorization