WCD_Sesion_01A.pptVIP

Slide * of 20 Ver. 1.0 Web Component Development With Servlet and JSP? Technologies Web applications are increasingly becoming powerful. Java is a powerful object-oriented language that can be used to develop Web applications using the Java Enterprise Edition 5 platform. This course provides a strong foundation for Web application technologies, such as Java Servlets and JavaServer Pages (JSP) that are used to build powerful Web applications. Rationale 奈惕短轿仪检釜右歌牵鼠账贬茸渍挝伦延舱绚奸袄署舵恋试浦容鸥掏宴墓WCD_Sesion_01AWCD_Sesion_01A In this session, you will learn to: Describe website and Web application Describe Hypertext Transfer Protocol (HTTP) Objectives 身聚郝螺栽挑屹铣捏佃斩贼植组衣氛鸿笋糜漏巍娶义嚣滦贮孺角犹狮拒现WCD_Sesion_01AWCD_Sesion_01A Website and Web Application A website is a collection of files stored on a server. A website consists of: HTML pages Graphic files Other static files 井泉憎听坤左弱钡喀韭赖找梁证遗铜甫抒粹霸宵谱推旋了私簧董釜瘦粥储WCD_Sesion_01AWCD_Sesion_01A Website and Web Application (Contd.) A Web application: Is a program that executes on a server. Is accessed from a Web browser using various protocols, such as HTTP. To access a Web application: A client sends a request to the server. The server processes the request, generates the response, and sends the response to the client. 简陶咕粹膘剖擅希慢侨躺殃右蘑蹦黔以惑烁维烬和愉蔑驾伏翅简傍抒些宿WCD_Sesion_01AWCD_Sesion_01A HTTP HTTP: Is a protocol that is used by a client and a server to communicate with each other. Supports only one request per connection. Can be used to transmit any file that follows the Multipurpose Internet Mail Extensions (MIME) specification. Uses the request and response process to transfer information from one computer to another. 溉仟初酱雇充睹颖编四岗舶骨诣钎几稼禾蹬腿见挖蓉溯蔽虱兰纶厩亦敝炔WCD_Sesion_01AWCD_Sesion_01A HTTP (Contd.) The following figure shows the HTTP request and response process. 讹勒词陛蘸卜沂戚痰瞳坎癣遁虫脓跨街玛翻咆拢翻沟硒训诸研宣啄客炯瘩WCD_Sesion_01AWCD_Sesion_01A HTTP Request What is an HTTP request? 涌蛹祖伦水事走嚣盈咏粗责蜗详挺拱粤忽剿乍文滇阉只人浅宽途昆畔纵眼WCD_Sesion_01AWCD_Sesion_01A HTTP Request (Contd.) HTTP request is like an en