Web Design and Development for E-Business

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10 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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Web Design and Development for E
-
Business

By Jensen J. Zhao

Copyright 2003 Prentice Hall, Inc.

Web Design and Development

for E
-
Business

Jensen J. Zhao

Web Design and Development for E
-
Business

By Jensen J. Zhao

Copyright 2003 Prentice Hall, Inc.

Introducing the Internet

and Web Technologies

Chapter 1

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Chapter 1 Objectives


Describe the past and present of the
Internet and World Wide Web


Identify emerging technologies


Know various types of Web markup
languages


Understand Web development tools


Make appropriate tool choices


Convert Office documents into Web
pages

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A Very Brief History


1962 ARPA headed by J. C. R.
Licklider


1969 first host installed at UCLA


1980s TCP/IP adopted as standard


1990 Tim Berners
-
Lee introduces
the World Wide Web


1995 FNC defines the term
“Internet”

Photo of J.C.R. Licklider

Copyright © 2001

Dr. Lawrence G. Roberts

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Navigation Technologies

First Generation


FTP


File Transfer Protocol


Allows users to


List files


Transfer files


Does not allow users to


Run applications on a remote computer


Read files on a remote computer


Viable method for file transfer and Web
publishing

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Navigation Technologies

Second Generation


Gopher


Developed at University of Minnesota


Text
-
based interface


Organizes and displays files on
Internet servers


Presents contents as a hierarchically
structured list of files


Many Gopher databases are being
converted to Web sites for easy access

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Navigation Technologies

Third Generation


HTTP


Hypertext Transfer Protocol


Transfers files from Web server to
browser


Works with HTML to display text,
graphics and sound


HTML can only deliver information in a
static presentation without interactivity

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New Navigation Technologies


DHTML


Combination of HTML and scripting
languages


Enables Web pages to react to user
input

HTML

JavaScript

VBScript

DHTML

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New Navigation Technologies


WAP


Wireless Application Protocol


Languages used to develop WAP
applications


XML


Extensible Markup Language


Allows communications across multiple platforms


WML


Wireless Markup Language


Subset of XML

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Web Languages


HTML


Hypertext Markup Language


Defines structure and layout of Web
document by using tags and attributes


View HTML source on your browser


Click View / Page Source


XHTML


Newer version of HTML recommended by
W3C


Combines HTML and XML

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Web Languages


DHTML


Dynamic Hypertext Markup Language


Transforms Web pages from static to
interactive


Allows scripting languages to be
embedded into HTML files


Enables a Web page to react to user
input without sending requests to the
Web server

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Web Languages


XML


Extensible Markup Language


Similar to HTML


Allows Web data and content to be
processed with very little human
intervention


Consists of rules:



tags to describe data



separate data from presentation layout



transform data into Web forms

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Web Development Tools


Three categories:


Web Authoring Tools


Web Graphics Tools


Web Programming Languages

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Web Authoring Tools


Features


Design


Production


Management


Examples


Adobe GoLive


Macromedia Dreamweaver


Microsoft FrontPage

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Web Graphics Tools


Features


Manipulate images


Transparency controls


Variety of graphics styles and effects


Examples


Macromedia Flash


Adobe Photoshop


Jasc Paint Shop Pro

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Web Programming Languages



CGI


ASP / JSP


CFML


Java


JavaScript



Visual Basic


VBScript


Visual C++


C#

Features



Develop dynamic, interactive, data
-
driven Web applications



Examples


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Tool Selection Principles


Buy Low


Identify free
-
download Web servers


Free
-
download development tools


Trial versions, freeware, shareware


Sell High


Develop advanced Internet/Web skills


Sell those skills on the job market

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Converting to Web Pages


Word


File / Save as Web Page


Excel


File / Save as Web Page


PowerPoint


File / Save as Web Page

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Chapter 1 Summary


Described the past and present of
the Internet and World Wide Web


Identified emerging technologies


Discussed Web development tools


Learned how to make appropriate
tool choices


Converted Office documents into
Web pages

Web Design and Development for E
-
Business

By Jensen J. Zhao

Copyright 2003 Prentice Hall, Inc.

Introducing the Internet

and Web Technologies

The End