局域网监控系统毕业设计

局域网监控系统

专业：计算机科学与技术班级：10计算机专升本姓名：***

目录

引言3 1概要5 1.1 开发背景 5 1.2 开发和运行环境选择 5 1.3 VC++技术简介 5 1.4 Access 数据库简介 6 2需求分析7 2.1 总体目标7 2.2 具体分析7

2.2.1 程序系统需求分析7

2.2.2 技术可行性分析7

2.2.3 经济可行性分析8

2.2.4 用户使用可行性分析8

2.2.5 法律可行性分析9

3 总体设计10 3.1系统功能结构设计10

3.1.1 功能介绍10

3.1.2 功能结构图10 3.2 业务流程图设计11

3.2.1 业务流程介绍11

3.2.2 业务流程图11 3.3 数据库设计12

3.3.1数据库分析12

3.3.2 数据库概念12

3.3.3 数据库E-R图设计13 3.4 系统结构功能分析13

3.4.1客户端分析13

3.4.2 系统登录模块分析15

3.4.3主窗体运行分析15

3.4.4操作员管理模块分析16

3.4.5 系统设置模块分析17

4 详细设计19 4.1 客户端设计19

4.1.1客户端实现过程19 4.2系统登录模块设计20

4.2.1系统登录模块实现过程20 4.3 主窗体设计21

4.3.1主窗体实现过程21 4.4操作员管理模块设计23

4.4.1操作员管理模块实现过程23 4.5系统设置模块设计25

4.5.1系统设置模块实现过程25

5运行结果27

5.1数据库运行结果27 5.2 客户端运行结果27 5.3系统登录模块运行结果28 5.4主窗体运行结果28 5.5操作员管理模块运行结果29 5.6系统设置模块运行结果29

结论30 致谢31参考文献32附录源程序代码34

摘要

Internet上丰富多彩的资源给人们带来了很多便利，但是也存在许多不良信息危害青少年的身心健康，一些家长担心青少年上网会影响学习。局域网监控系统能够将局域网中的某一计算机屏幕信息发送到服务器端，家长可以随时了解青少年浏览的网页信息，对青少年上网起到监督作用，从企业管理的角度来看，作为企业管理者对上网内容的控制，希望既能满足日常工作的需要，又能对与工作无关的上网进行实践控制，信息内容控制，信息流量控制，以保证有限的网络资源用在工作中；另外保证本地网用户在网上不做违法，违规的事情。结果表明，局域网监控系统是完全可以起到对家庭及企业的监控作用，整套系统表现出了较好的运行性能和安全性能。

本系统属于小型的局域网监控系统，主要是对计算机屏幕进行监控。可以对某一台计算机进行屏幕监控，界面美观友好，服务器端可以随时运行，只要客户端运行，就能够显示屏幕信息。主要分为客户端、服务器端、系统登录、操作员管理、系统设置等5大功能。系统围绕这几个功能，实现对某一台计算机的时时监控。系统操作简单方便快捷，能更好的为管理者提供管理服务。

关键词：

客户端；服务器端；系统登录；操作员管理；系统设置

There are variety kinds of resources on the Internet which brings us a lot of convenience,but There are also many bad messages that have a bad effect on teenagers’physical and psychological health.Lots of parents worried that the Internet will influence their children’s study.The LAN(local area network)monitoring system will sent the prefferd computer screen information in the LAN to the server-side,so parents could know the information that their children seached at any time,which palying the role of supervision on teenager’s net paly.From the perspective of business administration,as the enterprise manager to control the details of the net play,they hope it can not only satisfy the needs of the daily work,but also have a practice control,information content control,and flow control to make sure the limit resources will be used in the work.In addition,it can forbid the LAN users to do the illegal things.The results showed that,the LAN monitoring system play the monitoring role on the family and business completely.The whole system shows the better operation and safety performance.

This system belongs to small LAN monitoring system, majoring in monitor the computer's screen. It can monitor on the screen of a computer ,has beautiful interfaces ,and the server- side can operate at any time. As long as the client-side runs, it can show the screen information. It divided into five functions, including client-side, server-side, system registry, operator management, system settings. With these functions , the system can monitor on any computers all the time. The system's operation is easy, convenient,and fast, which offer a good control service to the Management.

Keywords:

client-side; server-side ;system registry ;operator management;system settings