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pynet's Introduction

pynet

一个基于PyQt5的TCP文件传输应用

应用功能

  • 用户注册、登录
  • 文件传输、校验
  • 收发消息
  • 服务日志

实验内容

了解应用编程接口API,掌握基于socket的网络编程的原理,开发利用socket的TCP文件传输应用程序。该应用需要具备的功能以及实现的要点描述如下:

  • 该程序应该包括服务器应用程序以及客户应用程序。
  • 用户需要身份验证。即对于客户端来说,无论是上传文件,还是下载文件,首先需要做的事情是登陆服务器,得到服务器的验证。 若验证成功,即可与服务器之间开始传输文件。若验证失败,服务器则返回错误信息。错误信息包括,用户名错误,密码错误等。
  • 理解文件传输的原理。所谓文件传输,对于发送端来说,实质是将数据读入发送缓存再将其发送。对于接收端来说,实质是从接收缓存里读取数据并将其写入到指定的位置。
  • 请注意理解文件传输的含义。文件,指的是一切可以传输的信息,包括文本文件、图片文件、视频文件等。传输,指的是服务器和客户端都可以成为文件的发送者。从客户端的角度来说,客户端向服务器传送文件称为上传,服务器向客户端传送文件称为下载。

实现过程

水平有限,错漏之处,欢迎指正。

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