⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 cgi_02.htm

📁 对于学习很有帮助
💻 HTM
字号:
<html><head><title>CGI技术及其开发02</title><meta http-equiv=Content-Type content=text/html; charset=gb2312><meta name=GENERATOR content=Microsoft FrontPage 3.0><style><!--
A{text-transform: none; text-decoration: none;}
A:hover {color: #F77C02 ; text-decoration: underline;} }
--></style><style type=text/css><!--
.font1 {font-size:10.5pt; line-height:15pt; align=center}
.font2 {font-size:9pt; line-height:13pt; }
A{text-transform: none; text-decoration:none;color:#0000FF}
a:hover {text-decoration:underline;color:#FFFFF}
--></style></head><body bgcolor=#FFFFFF><p><span class=font1> </span></p><center><b><span class=font1><big><big><big>CGI技术及其开发(二)</big></big></big></span></b></center><p><span class=font1>发信人:&nbsp;strayli&nbsp;(stray),&nbsp;信区:&nbsp;Delphi&nbsp;<br>标&nbsp;&nbsp;题:&nbsp;用&nbsp;Delphi&nbsp;编&nbsp;写&nbsp;CGI&nbsp;程&nbsp;序&nbsp;(二)(转)&nbsp;<br>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Sat&nbsp;Oct&nbsp;24&nbsp;18:07:09&nbsp;1998)&nbsp;<b><font color=#00ff00>WWW-POST</font></b>&nbsp;<br>&nbsp;<br>作者&nbsp;:&nbsp;戚&nbsp;文&nbsp;敏&nbsp; &nbsp;<br>&nbsp;<br>教&nbsp;学&nbsp;纲&nbsp;要 &nbsp;<br>&nbsp;<br>在&nbsp;上&nbsp;一&nbsp;讲&nbsp;中,&nbsp;我&nbsp;们&nbsp;设&nbsp;置&nbsp;了&nbsp;用&nbsp;于&nbsp;开&nbsp;发&nbsp;CGI&nbsp;程&nbsp;序&nbsp;的&nbsp;系&nbsp;统。&nbsp;今&nbsp;天,&nbsp;我&nbsp;们&nbsp;<br>&nbsp;进&nbsp;入:&nbsp;第&nbsp;二&nbsp;部&nbsp;分、&nbsp;CGI&nbsp;程&nbsp;序&nbsp;设&nbsp;计&nbsp;的&nbsp;概&nbsp;念&nbsp;…… &nbsp;<br>&nbsp;&nbsp;<br>第&nbsp;二&nbsp;部&nbsp;分、&nbsp;CGI&nbsp;程&nbsp;序&nbsp;设&nbsp;计&nbsp;的&nbsp;概&nbsp;念 &nbsp;&nbsp; &nbsp;<br>1.0&nbsp;、&nbsp;CGI&nbsp;程&nbsp;序&nbsp;的&nbsp;功&nbsp;能:&nbsp; &nbsp;<br>&nbsp;<br> &nbsp; &nbsp;首&nbsp;先,&nbsp;什&nbsp;么&nbsp;是&nbsp;公&nbsp;共&nbsp;网&nbsp;关&nbsp;接&nbsp;口(&nbsp;CGI&nbsp;)&nbsp;呢?&nbsp;CGI&nbsp;是&nbsp;一&nbsp;个&nbsp;用&nbsp;于&nbsp;定&nbsp;&nbsp;<br>义&nbsp;WEB&nbsp;服&nbsp;务&nbsp;器&nbsp;与&nbsp;外&nbsp;部&nbsp;程&nbsp;序&nbsp;之&nbsp;间&nbsp;通&nbsp;信&nbsp;方&nbsp;式&nbsp;的&nbsp;标&nbsp;准,&nbsp;使&nbsp;得&nbsp;外&nbsp;部&nbsp;程&nbsp;序&nbsp;&nbsp;<br>能&nbsp;生&nbsp;成&nbsp;HTML&nbsp;、&nbsp;图&nbsp;象&nbsp;或&nbsp;者&nbsp;其&nbsp;他&nbsp;内&nbsp;容,&nbsp;而&nbsp;服&nbsp;务&nbsp;器&nbsp;处&nbsp;理&nbsp;的&nbsp;方&nbsp;式&nbsp;与&nbsp;那&nbsp;些&nbsp;<br>&nbsp;非&nbsp;外&nbsp;部&nbsp;程&nbsp;序&nbsp;生&nbsp;成&nbsp;的&nbsp;HTML&nbsp;、&nbsp;图&nbsp;象&nbsp;或&nbsp;者&nbsp;其&nbsp;他&nbsp;内&nbsp;容&nbsp;的&nbsp;处&nbsp;理&nbsp;方&nbsp;式&nbsp;是&nbsp;相&nbsp;&nbsp;<br>同&nbsp;的。&nbsp;因&nbsp;此,&nbsp;CGI&nbsp;程&nbsp;序&nbsp;不&nbsp;仅&nbsp;使&nbsp;你&nbsp;能&nbsp;生&nbsp;成&nbsp;静&nbsp;态&nbsp;内&nbsp;容,&nbsp;而&nbsp;且&nbsp;能&nbsp;生&nbsp;成&nbsp;动&nbsp;<br>&nbsp;态&nbsp;内&nbsp;容。&nbsp;使&nbsp;用&nbsp;CGI&nbsp;的&nbsp;原&nbsp;因&nbsp;在&nbsp;于&nbsp;它&nbsp;是&nbsp;一&nbsp;个&nbsp;定&nbsp;义&nbsp;良&nbsp;好&nbsp;并&nbsp;被&nbsp;广&nbsp;泛&nbsp;支&nbsp;持&nbsp;<br>&nbsp;的&nbsp;标&nbsp;准。&nbsp;虽&nbsp;然,&nbsp;Java&nbsp;、&nbsp;ActiveX&nbsp;等&nbsp;可&nbsp;以&nbsp;完&nbsp;成&nbsp;CGI&nbsp;程&nbsp;序&nbsp;的&nbsp;功&nbsp;能,&nbsp;但&nbsp;并&nbsp;&nbsp;<br>不&nbsp;是&nbsp;所&nbsp;有&nbsp;浏&nbsp;览&nbsp;器&nbsp;都&nbsp;支&nbsp;持&nbsp;它&nbsp;们。&nbsp;相&nbsp;反,&nbsp;所&nbsp;有&nbsp;浏&nbsp;览&nbsp;器&nbsp;都&nbsp;支&nbsp;持&nbsp;CGI&nbsp;,&nbsp;&nbsp;<br>如:&nbsp;Lynx&nbsp;、&nbsp;IE&nbsp;、&nbsp;Netscape&nbsp;等。&nbsp; &nbsp;<br>&nbsp;<br> &nbsp; &nbsp;然&nbsp;而,&nbsp;和&nbsp;其&nbsp;他&nbsp;技&nbsp;术&nbsp;一&nbsp;样,&nbsp;CGI&nbsp;也&nbsp;有&nbsp;它&nbsp;的&nbsp;局&nbsp;限&nbsp;性。&nbsp;本&nbsp;节&nbsp;我&nbsp;就&nbsp;讲&nbsp;<br>&nbsp;述&nbsp;CGI&nbsp;程&nbsp;序&nbsp;的&nbsp;功&nbsp;能、&nbsp;优&nbsp;点&nbsp;与&nbsp;不&nbsp;足。 &nbsp;&nbsp; &nbsp;<br>&nbsp;<br>1.1&nbsp;、&nbsp;CGI&nbsp;功&nbsp;能&nbsp; &nbsp;<br>&nbsp;<br> &nbsp; &nbsp;有&nbsp;许&nbsp;多&nbsp;任&nbsp;务,&nbsp;CGI&nbsp;是&nbsp;最&nbsp;佳&nbsp;的&nbsp;是&nbsp;唯&nbsp;一&nbsp;的&nbsp;选&nbsp;择,&nbsp;这&nbsp;些&nbsp;任&nbsp;务&nbsp;可&nbsp;分&nbsp;&nbsp;<br>为&nbsp;三&nbsp;类:&nbsp;初&nbsp;级&nbsp;任&nbsp;务、&nbsp;中&nbsp;级&nbsp;任&nbsp;务&nbsp;和&nbsp;高&nbsp;级&nbsp;任&nbsp;务。&nbsp;初&nbsp;级&nbsp;任&nbsp;务&nbsp;是&nbsp;一&nbsp;些&nbsp;不&nbsp;&nbsp;<br>用&nbsp;怎&nbsp;么&nbsp;编&nbsp;程&nbsp;的&nbsp;任&nbsp;务,&nbsp;如: &nbsp;&nbsp; &nbsp;<br>&nbsp;<br>文&nbsp;本&nbsp;型&nbsp;计&nbsp;数&nbsp;器&nbsp; &nbsp;<br>生&nbsp;成&nbsp;简&nbsp;单&nbsp;的&nbsp;HTML&nbsp;的&nbsp;程&nbsp;序&nbsp; &nbsp;<br>少&nbsp;于&nbsp;50&nbsp;行&nbsp;用&nbsp;Perl&nbsp;语&nbsp;言、&nbsp;Shell&nbsp;脚&nbsp;本、&nbsp;C&nbsp;语&nbsp;言&nbsp;或&nbsp;C++&nbsp;语&nbsp;言&nbsp;编&nbsp;写&nbsp;的&nbsp;程&nbsp;序&nbsp;&nbsp;<br>&nbsp;<br> &nbsp; &nbsp;这&nbsp;样&nbsp;的&nbsp;任&nbsp;务&nbsp;用&nbsp;CGI&nbsp;来&nbsp;写&nbsp;至&nbsp;少&nbsp;有&nbsp;三&nbsp;点&nbsp;好&nbsp;处:&nbsp;第&nbsp;一、&nbsp;CGI&nbsp;运&nbsp;行&nbsp;最&nbsp;&nbsp;<br>快,&nbsp;而&nbsp;Java&nbsp;等&nbsp;开&nbsp;销&nbsp;太&nbsp;大;&nbsp;第&nbsp;二、&nbsp;CGI&nbsp;标&nbsp;准&nbsp;于&nbsp;当&nbsp;前&nbsp;浏&nbsp;览&nbsp;器&nbsp;最&nbsp;兼&nbsp;容,&nbsp;&nbsp;<br>这&nbsp;一&nbsp;点&nbsp;在&nbsp;前&nbsp;面&nbsp;已&nbsp;经&nbsp;提&nbsp;到;&nbsp;第&nbsp;三、&nbsp;CGI&nbsp;资&nbsp;源&nbsp;丰&nbsp;富,&nbsp;您&nbsp;在&nbsp;Internet&nbsp;上&nbsp;可&nbsp;<br>&nbsp;以&nbsp;找&nbsp;到&nbsp;成&nbsp;千&nbsp;上&nbsp;万&nbsp;的&nbsp;CGI&nbsp;代&nbsp;码。 &nbsp;&nbsp; &nbsp;<br> &nbsp; &nbsp;中&nbsp;级&nbsp;任&nbsp;务&nbsp;是&nbsp;包&nbsp;括&nbsp;图&nbsp;象&nbsp;映&nbsp;象&nbsp;和&nbsp;其&nbsp;他&nbsp;一&nbsp;些&nbsp;稍&nbsp;复&nbsp;杂&nbsp;的&nbsp;程&nbsp;序&nbsp;设&nbsp;计&nbsp;&nbsp;<br>任&nbsp;务。&nbsp;在&nbsp;中&nbsp;级&nbsp;任&nbsp;务&nbsp;中,&nbsp;用&nbsp;CGI&nbsp;和&nbsp;Java&nbsp;来&nbsp;编&nbsp;写&nbsp;程&nbsp;序&nbsp;的&nbsp;难&nbsp;易&nbsp;程&nbsp;度&nbsp;差&nbsp;别&nbsp;<br>&nbsp;不&nbsp;大。&nbsp; &nbsp;<br>&nbsp;<br> &nbsp; &nbsp;此&nbsp;类&nbsp;任&nbsp;务&nbsp;包&nbsp;括:&nbsp; &nbsp;<br>&nbsp;<br>图&nbsp;象&nbsp;映&nbsp;象&nbsp; &nbsp;<br>生&nbsp;成&nbsp;整&nbsp;页&nbsp;的&nbsp;HTML&nbsp;的&nbsp;CGI&nbsp;脚&nbsp;本 &nbsp;&nbsp; &nbsp;<br>动&nbsp;画&nbsp; &nbsp;<br> &nbsp; &nbsp;很&nbsp;有&nbsp;特&nbsp;点&nbsp;的&nbsp;是,&nbsp;对&nbsp;于&nbsp;高&nbsp;级&nbsp;任&nbsp;务,&nbsp;用&nbsp;CGI&nbsp;比&nbsp;用&nbsp;Java&nbsp;编&nbsp;程&nbsp;要&nbsp;简&nbsp;单&nbsp;<br>&nbsp;得&nbsp;多。&nbsp;此&nbsp;类&nbsp;任&nbsp;务&nbsp;有:&nbsp; &nbsp;<br>后&nbsp;端&nbsp;数&nbsp;据&nbsp;库&nbsp;操&nbsp;作&nbsp; &nbsp;<br>搜&nbsp;索&nbsp;引&nbsp;擎&nbsp; &nbsp;<br>多&nbsp;重&nbsp;动&nbsp;态&nbsp;页&nbsp;面&nbsp; &nbsp;<br> &nbsp; &nbsp;其&nbsp;中,&nbsp;后&nbsp;端&nbsp;数&nbsp;据&nbsp;库&nbsp;操&nbsp;作(&nbsp;存&nbsp;取&nbsp;数&nbsp;据&nbsp;库&nbsp;的&nbsp;应&nbsp;用&nbsp;程&nbsp;序)&nbsp;体&nbsp;现&nbsp;了&nbsp;&nbsp;<br>CGI&nbsp;的&nbsp;优&nbsp;越&nbsp;性。&nbsp;CGI&nbsp;有&nbsp;一&nbsp;定&nbsp;的&nbsp;历&nbsp;史,&nbsp;其&nbsp;中&nbsp;很&nbsp;多&nbsp;有&nbsp;用&nbsp;的&nbsp;功&nbsp;能&nbsp;都&nbsp;在&nbsp;&nbsp;<br>CGI&nbsp;的&nbsp;库&nbsp;中&nbsp;由&nbsp;别&nbsp;人&nbsp;做&nbsp;好&nbsp;了;&nbsp;同&nbsp;时,&nbsp;许&nbsp;多&nbsp;大&nbsp;公&nbsp;司&nbsp;提&nbsp;供&nbsp;了&nbsp;用&nbsp;CGI&nbsp;承&nbsp;虿&nbsp;&nbsp;<br>僮&nbsp;髌&nbsp;涫&nbsp;

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -