复旦大学：《Web应用基础》教学课件_Chapter 6 JavaServerPages

web应用基砒

Web应用基础

Http a Hyper-text Transfer protocol 口无状态协议( stateless) URL Request Request Intemet Response Response 浏览器 服务器 程序 程序 TCP

HTTP ‡ Hyper-text Transfer Protocol ‡ 无状态协议 (stateless) 浏览器 程序 服务器 程序 Response Internet Request Request URL Response TCP

Http Get and post ast Name: First Name: Last Name: First Name: 回忆 JavaScrip中表单提交如何处理?

HTTP Get and Post Last Name: First Name: Last Name: First Name: 回忆JavaScript中表单提交如何处理？

Javascript表单处理 Please input your last and first name. Click Submit when you are finished. Last Name: First Name: /form>

JavaScript表单处理 Please input your last and first name. Click Submit when you are finished. Last Name: First Name:

Http Get and post 口一般而言,get用于从服务器上获取数据,post 用于向服务器传送数据 口get是把参数以字符串形式加到URL中,而post将 参数放在HTML报文的头部进行传送 http://www.google.cn/search?hl=zh-cn&inlang=zh-cn& newwindow=1&q=http&meta=

HTTP Get and Post ‡ 一般而言，get用于从服务器上获取数据，post 用于向服务器传送数据 ‡ get是把参数以字符串形式加到URL中，而post将 参数放在HTML报文的头部进行传送 http://www.google.cn/search?hl=zh-CN&inlang=zh-CN& newwindow=1&q=HTTP&meta=

Http Get and post 口一般而言,get用于从服务器上获取数据,post 用于向服务器传送数据 口get是把参数以字符串形式加到URL中,而post将 参数放在HTML报文的头部进行传送 口ge有长度限制,最长不超过2K,pos请求理论 上无长度限制

HTTP Get and Post ‡ 一般而言，get用于从服务器上获取数据，post 用于向服务器传送数据 ‡ get是把参数以字符串形式加到URL中，而post将 参数放在HTML报文的头部进行传送 ‡ get有长度限制，最长不超过2K， post请求理论 上无长度限制

Http Get and post 口一般而言,get用于从服务器上获取数据,post 用于向服务器传送数据 口get是把参数以字符串形式加到URL中,而post将 参数放在HTML报文的头部进行传送 口ge有长度限制,最长不超过2K,pos请求理论 上无长度限制 口pos安全性优于get

HTTP Get and Post ‡ 一般而言，get用于从服务器上获取数据，post 用于向服务器传送数据 ‡ get是把参数以字符串形式加到URL中，而post将 参数放在HTML报文的头部进行传送 ‡ get有长度限制，最长不超过2K， post请求理论 上无长度限制 ‡ post安全性优于get

RFC Request For Comments http://rfc-editor.org ·REy∥4:y 文件吧)痛辑)查看①收夹)工且①帮助 ·Mh4+·四··-· 会收 RFC RFC- Edi tor W.bpr RiCEditor Homepage Finding and Retrieving RFCs, etc. The RFC (Request for Comments)series Search for an RFC and its meta-data Bulk retrieval of RFCs and meta-data specifications and policy documents produced by Official Internet Protocol Standard RFCs The RFC Editor Get RFC text by starts (Proposed Standard Draft standard, etc.) searched online. The Most recent RFCs published itself, and links to any errata. RFC Publication FAO How to publish an RFC Public mailing lists(mailman) Independent Submissions RFC Tutorial slides

RFC (Request For Comments) http://rfc-editor.org/

HTTP请求 Get/hTtp/1.1 Accept: image/gif, image/jpeg, application/msword Accept-Language: en-US Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 Host:www.slashdot.org MIME: RFC Connection Keep-Alive 2045-2049 MIME(Multipurpose Internet Email Extension) text/plain text/html image/jpeg

HTTP请求 GET / HTTP/1.1 Accept: image/gif, image/jpeg, application/msword, */* Accept-Language: en-US Accept-Encoding: gzip, deflate User-Agent: Moziilla/4.0 Host: www.slashdot.org Connection: Keep-Alive … MIME: RFC 2045-2049 MIME (Multipurpose Internet Email Extension) text/plain text/html image/jpeg

HTTP响应 Http/1.1: RFC 2616 Http/1.1 200 ok Date: Sat, 12 Apr 200802: 45: 21 GMT Server: Apache/1.3. 12(Unix) mod_perl/1.24 Connection close Content-Type: text/html (blank line) Thtml page] 200OK 404 Not Found 500 Internet server Error

HTTP响应 HTTP/1.1 200 OK Date: Sat, 12 Apr 2008 02:45:21 GMT Server: Apache/1.3.12(Unix) mod_perl/1.24 Connection: close Content-Type: text/html (blank line) [html page] … 200 OK 404 Not Found 500 Internet Server Error HTTP/1.1: RFC 2616