web document

1Bi 1.

C bn v cng ngh WWW

Vin CNTT&TT - HBKHN

2Mc ch

Cung cp cho Sinh vin kin thc v c ch hot ng ca trang web

Khi nim siu vn bn (hypertext)

My phc v, trnh duyt web, giao thc hot ng

3Ni dung

1. Khi nim v siu vn bn

2. Cc thnh phn ca Web

2.1. My phc v, my khch

2.2. WebServer, WebBrowser

2.3. Website, WebPage

2.4. URL

3. Phn loi trang Web

4. Mt s iu cn ch trong pht trin Web

41. Khi nim v siu vn bn

Hypertext? Hyperlink? Hypermedia?

Hypertext: l vn bn (text) trn my tnh c s lin kt n mt vn bn khc v c th truy cp trc tipthng qua click chut, nhn phm.

Hyperlink: l mt lin kt t mt file hypertext n mt file khc

Hypermedia: l s m rng ca hypertext, trong i tng c th l vn bn, ha, m thanh, video

H1. Hypertext

52. Cc thnh phn ca Web

Web (World Wide Web)?

Web l h thng cc ti liu hypertext lin kt vi nhau thng qua mng Internet

Cc thnh phn ca Web Web Page

Web Site

Uniform Resource Locator

Web Server

Web Browser


My khch (Client)

My khai thc dch v ca my phc v

Vi mi dch v, thng c cc phn mm chuyn bit

khai thc

Mt my tnh c th va l client va l server


My phc v (Server)

L my chuyn cung cp cc dch v v ti nguyn cho cc my tnh khc

Thng ci cc phn mm chuyn dng

Mt my phc v c th dng cho mt hay nhiu mc ch. File server

Application server

Mail server

Web server

82.2. Web Server, Web Browser

Web Server

My phc v web

Mt s phn mm web server chuyn dng:

Apache, Internet Information Services (IIS)

Web Browser

L phn mm chy trn Client

khai thc dch v Web


Tng tc gia Web Server v Web Browser

10


2 Internet or Intranet

Webserver

Apacheor IIS

ServerSide Script Parser(PHP, ASP, ..)

Database

Server

Diskdriver

3

45

67

HTTP protocol

request

response

11

2.3. WebPage, WebSite

WebPage:

L mt trang Web

Ngn ng vit: PHP, ASP, ASP.Net nhng kt qu tr v

cho Client l HTML

Website:

L tp hp cc WebPage c ni dung thng nht

12

2.3. WebPage, Website

Phn cp trang Web

13


Phn cp qu nng

14


Phn cp qu su

15


Phn cp hp l

16

2.4. URL (Uniform Resource Locator)

a ch IP (IP Address) Xc nh mt my tnh trong

mng da trn giao thc TCP/IP. Hai my tnh trong mng c 2 a ch IP khc nhau

C dng x.y.z.t (0 x, y, z, t 255)

V d: google Vit Nam? 74.125.127.106

a ch Loop Back: 127.0.0.1

17


Tn min (Domain name)

Ti sao li cn?

L tn gn lin vi mt a ch IP

dng vn bn, thn thin vi ngi dng

Cc cp tn min?

nh s cp t bn phi, bt u t 1

Ex: www.soict.hut.edu.vn

Localhost: 127.0.0.1

18


Cng dch v (Service Port)

Ti sao li cn?

Mt Server c th cung cp nhiu dch v => cn s dng cng

xc nh dch v cung cp

Mi dch v thng chim nhng cng mc nh

HTTP: 80, FPT: 21, SMTP: 25, POP3: 110

19


L chui nh v ti nguyn trn Internet

V d: http://is.hut.vn:8080/hpsg/index.jsp

Cu trc

giao thc://a ch my:cng/ng dn n ti nguyn

Nhiu tham s c gi tr mc nh => c th b qua

20


Web tnh

S dng HTML

Tng tc yu

Web ng

Kt hp m HTML v m lnh

Tng tc mnh

M lnh c thc thi trn Server, tr v HTML cho Client

21


So snh

Web tnh D pht trin

Ni dung thng c nh trn Browser

Web ng Kh pht trin hn

C th thay i ni dung trn Browser

Cc ngn ng s dng a dng: PHP, ASP, ASP.NET..

22

4. Mt s iu cn ch trong pht trin Website

Phn tch thit k HTTT

Nhn yu cu v tin hnh kho st

c t

Phn tch

Thit k

Lp trnh

Kim th

23


c t:

Web lm g?

Ai dng?

Trnh ngi dng?

Ni dung, hnh nh?

Phn tch

Mi lin quan gia cc ni dung?

Th t cc ni dung?

24


Thit k

S cu trc website

Giao din

Tnh hay ng

CSDL

Ni dung tng trang

Lin kt gia cc trang

Xy dng

Cu trc th mc

Cc modul dng chung

25


Kim th

Kim tra trn nhiu trnh duyt

Kim tra trn nhiu loi mng

Kim tra tc

Kim tra cc lin kt

Th cc li bo mt

5. Gii thiu v PHP PHP l g ?

PHP vit tt ca PHP Hypertext Preprocessor

L ngn ng server-side script, tng t nh ASP,

JSP, thc thi pha WebServer

Tp tin PHP c phn m rng l .php

C php ngn ng ging ngn ng C & Perl

u imPHP ?

5. Gii thiu v PHP - Lch s

PHP : Rasmus Lerdorf in 1994 (c pht trin pht sinh cc form ng nhp

s dng giao thc HTTP ca Unix)

PHP 2 (1995) : Chuyn sang ngn ng script x l trn server. H tr CSDL,

Upload File, khai bo bin, mng, hm quy, cu iu kin, biu thc,

PHP 3 (1998) : H tr ODBC, a h iu hnh, giao thc email (SNMP, IMAP),

b phn tch m PHP (parser) ca Zeev Suraski v Andi Gutmans

PHP 4 (2000) : Tr thnh mt thnh phn c lp cho cc webserver. Parse i tn

thnh Zend Engine. B sung cc tnh nng bo mt cho PHP

PHP 5 (2005) : B sung Zend Engine II h tr lp trnh HT, XML, SOAP cho

Web Services, SQLite

Phin bn mi nht ca PHP l version PHP 5.4.0 (www.php.net)

Gii thiu v PHP u im 1

PHP c s dng lm

Server Side Scripting

CommandLine Scripting (cron Linux, Task

Scheduler Windows, Text Processing)

Xy dng ng dng Desktop PHP GTK


a mi trng (Multi-Platform)

Web Servers: Apache, Microsoft IIS, Caudium, Netscape

Enterprise Server

H iu hnh: UNIX (HP-UX, OpenBSD, Solaris, Linux), Mac

OSX, Windows NT/98/2000/XP/2003/2008/vista/win7

H QTCSDL: Adabas D, dBase,Empress, FilePro (read-only),

Hyperwave, IBM DB2, Informix, Ingres, InterBase, FrontBase,

mSQL, Direct MS-SQL, MySQL, ODBC, Oracle (OCI7 and OCI8),

Ovrimos, PostgreSQL, SQLite, Solid, Sybase, Velocis,Unix dbm


Min ph

PHP

Software Free

PlatformFree (Linux)

Development Tools Free (PHP Coder, jEdit, )

Gii thiu v PHP Mt s

website ln

PHP at Yahoo!http://www.yahoo.com

The Internets most trafficked site

Portal

Wiki

Course Management SystemPortal

Bulletin Board Content Management System

Customer Relationship Management

Help Desk

e-CommercePortal

Gii thiu v PHP Cn g chy

PHP ?

Download PHP Download PHP for free here:

http://www.php.net/downloads.php

Download MySQL Database Download MySQL for free here:

http://www.mysql.com/downloads/index.html

Download Apache Server Download Apache for free here: http://httpd.apache.org/download.cgi

Download XAMPP,WAMP,LAMP,VertrigoServer,

Cng c lp trnh Website

Cng c design website

Pront Page

Dream Weaver 8.0 / CS3

Cng c programming website

Zend

Notepad, Notepad ++, WordPad

Dream Weaver

web document

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