基于GSM Modem的教师监考查询系统

范文字数:15377,页数:47

摘  要
  随着社会信息化人性化的发展趋势，科技产品已经越来越多的进入了人们的生活，如手机、电脑等科技产物已经基本达到普及的水平。手机是一种高科技的通讯设备，除了拨打电话之外，短信也是手机的一大功能。
 短信的最大特点就是无需拨打电话，人与人之间就能进行信息沟通、传递，并且获取更过信息。而电脑作为信息接受和处理的有力媒介，在现代社会信息接受处理环节中起着举足轻重的作用。单纯的人与人之间的沟通已经不能满足人们的日常需求，人们希望能通过短信连接电脑进行更多信息的查询与处理。而如何实现手机和电脑的二者互通，使信息的接受和处理更加方便直观，成为了现实的一个难题。于是，GSM Modem(短信猫)应运而生。GSM Modem能够通过程序利用串口与电脑连接，实现手机短信与电脑的互通，从而使人们能够使用手机通过电脑查询和处理更多的信息。在现实中，每所学校的教务系统中都有许多信息是各位老师所需要的，如期末监考信息等等，过去，各位老师需要通过电脑查询信息，而现在，有了GSM Modem，通过程序，老师能够通过短信对这些信息进行查询。
 本文所设计的VC程序能够实现短信与电脑的互通，通过发送短信实现对电脑中期末监考信息的查询。这种程序适用于各种信息查询，具有普遍的现实意义。
 
 
 关键词：VC、短信、GSM Modem、信息查询
 
  
 
 Abstract
 With the trends of information society of human developments, technology products has already came into people's lives and become more and more. Such as cell phones, computers and other technology products has became basically and popularity. The cell phone is a high-tech communications equipment. In addition to calling, SMS is also a major function of cell phones.
 SMS’s most feature is that you needn’t make a call, between people and people will be able to communicate and transmit information also,and could get more information. And the computer as a powerful medium of receiving and processing information, play a decisive role in modern society. Simple communication between people and people can not meet people's daily needs, people hope that through the SMS connected computer for more information. And how to connect the mobile phones and computers to receive and process information more convenient and intuitive,became a reality problem. Thus, GSM Modem came into being. GSM Modem can connect computer through the serial port,achieving the exchange of SMS and computer, So that people can use mobile phones via the computer and handle more information. In reality,every school system have a lot of information is required by teachers,for example,invigilate time in term end,etc.At past,teachers need found information through computer,but now, Through the process,teacher can find this information through SMS.
 Here,the VC program I designed can connect the SMS and computer,to inquiry invigilate time in term end information by sending SMS. This procedure applies to all kinds of information’s inquiry, possess universal practical significance.
 
Keywords：VC，SMS，GSM MODEM，Enquiries Information

 目 录
摘要……………………………………………………………………………. . .……………..I
Abstact………………………………………………………………………. . .…………………………….. II
1 前言…………………………………………………………………………………………..1
1.1  课题背景……………………………………………………………………………….….2
1.2 系统实现功能介绍……………………………………………………………………….…2
1.3 范文主要研究内容……………………………………………………………………….…3
2 系统组成介绍……………………………………………………………………………. . .4
2.1  硬件组成………………………………………………………………………….……4
 2.1.1 GSM MODEM……………………………………………………………………………4
 2.1.2 台式电脑…………………………………………………………………………6
 2.1.3 RS-232接口………………………………………………………………………7
2.2  系统开发环境……………………………………………………………….... ……. . .9
 2.2.1 VC开发环境介绍……………………………………………………….... .... .. ...9
 2.2.2 Access 2003简介………………………………………………………………. ...10
3 系统框架设计…………………………………………………………………………. . . …13
3.1  系统功能………………………………………………………………………….…. …13
3.2  软件模块………………………………………………………………………….……. 14
 3.2.1 数据流程分析…………………………………………………………………. . . 14
 3.2.2 外部流程分析……………………………………………………………………. 14
 3.2.3 程序流程分析……………………………………………………………………. 15
4 短信接收模块……………………………………………………………………………. .. . 16
4.1  框架设计………………………………………………………………………….…. .…16
 4.1.1 功能介绍…………………………………………………. …………….….…. . .16
 4.1.2 设计思路…………………………………………………. …………….….…. . .17
4.2  程序实现………………………………………………………………………….…. .…18
4.3  调试运行……………………………………………………………….…………. . ….. 21
5 短信发送模块……………….……………………………………..………….…………. . . ..23
5.1  框架设计…………………………………………………………………………….…. .23
     5.1.1 功能介绍…………………………………………………. …………….….…. . .23
     5.1.2 设计思路…………………………………………………. …………….….…. . .24
 5.2  程序实现………………………………………………………………………. .…….…. .24
6 数据库模块………………………………………………………………………….……. . . .28
   6.1 VC访问数据库方式…………………………………………………………………. . . . .28
   6.2 ADO访问数据库…………………………………………………………………………. .29
    6.2.1 ADO原理……………………………………………………………………………. .. 29
      6.2.2 MFC中提供的ADO数据库类……………………………………………………. .30
   6.3 数据库连接程序…………………………………………………………………………. 31
   6.4 建立Access数据库……………………………………………………………………….33
7 总程序调试……………………………………………………………………………………35
   7.1 界面设计…………………………………………………………………………………. .35
   7.2 系统调试运行…………………………………………………………………………….36
8 总结与展望…………………………………………………………………………………. . 41
致谢…………………………………………………………………………………. . ….….….…42
参考文献…………………………………………………………………………………. . ….…43

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