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一、CGI入门 1.什么是CGI? CGI是Common Gateway Interface之简称。从字面上讲是公共接触的手续,实际的意义在于通过CGI程序达到收看网页的人与发表网页的人进行双向交流的目的,时而,收看网页的人也成为网页制作人,这就是在网页中常常看到的留言簿。如图1,通常的WWW只提供阅览。而图2,加入CGI程序以后,在阅览过程中则可以进行对话性的双向处理。CGI不仅仅作用于留言簿,最常见的还有计数器、Email邮出反馈、时间表示系统、网上游戏、密码验证网页、网页检索器等。CGI语言程序运行在UNIX平台环境之中,从这个意义上讲,掌握UNIX的执行命令是不可缺少的一部分。笔者逛过很多中国的上网以及开设网页等网上服务的主
First, CGI entry 1. What is CGI? CGI is the abbreviation of Common Gateway Interface. Literally public contact procedures, the practical significance lies in the CGI program to achieve the purpose of two-way communication between the people who watch the page and the person who published the page, sometimes, people who watch the page also become the webpage producer, this is in the webpage Often see the guestbook. As shown in Figure 1, the usual WWW only provides reading. Figure 2, after joining the CGI program, during the reading process can be dialogue two-way processing. CGI not only acts on the guestbook, the most common are counter, Email postal feedback, time display system, online games, password verification page, web crawler and so on. CGI language program running in the UNIX platform environment, in this sense, to master the implementation of UNIX commands are an integral part. I visited a lot of China’s Internet and set up Web pages and other online services