WWW ????

1
????????
2
??

• ??????
• WWW ????
• WWW Browser
• Web Server
• WWW ????

3
??????

• Client/Server ??
• N-tier ??

4
Client/Server ??
5
N-tier??(1)
6
N-tier??(2)
7
WWW ????
8
WWW Browser

• Microsoft Internet Explorer
• Netscape Communicator

9
Web Server

• Window 95/98
• Frontpage, PWS, WebSite,
• Windows NT
• IIS
• Unix
• Apache, httpd,
• Window 98, NT ???????

10
WWW????
11
HTML(1)

• HTML(HyperText Makeup Language)
• ??????????????, ????????????
• ????????,??????htm?html
• SGML(Standard Generalized Markup Language
  )????????

12
HTML(2)

• HTML??
• HTML????
• HTML????
• HTML??

13
HTML??

• HTML????????????
• lt??(Tag)gt?lt/??(Tag)gt????
• ltHTMLgt ... lt/HTMLgt
• ltPgt ... lt/Pgt?
• lt??(Tag)gt????
• ltHRgt
• ltIMGgt?

14
HTML????

• ltHTMLgt
• ltHEADgt
• ltTITLEgt?????lt/TITLEgt
• lt/HEADgt
• ltBODYgt
• ?????
• lt/BODYgt
• lt/HTMLgt

15
HTML????

• ???????????????
• Dos??Edit?Window??NotePad?WordPad?Word??????
• ??HTML??????????
• Microsoft?FrontPage?Netscape?Composer?

16
??DHTML(1)

• Dynamic HTML
• ????HTML??????????????
• ??DOM(Document Object Model)???????
• ??Script?????????
• ?????

17
??DHTML(2)

• IE?????
• ????(Dynamic Content),??????(Dynamic Styles
  Sheets),????(Dynamic Positioning),??????(Data
  Awareness),???????
• Netscape?????
• ??????(Dynamic Styles Sheets),????????(Dynamic
  Layers),????(Dynamic Fonts)

18
??XML(1)

• XML(Extensible Markup Language)
• ??????????,???????????????????????
• XML?????HTML,???????
• XML describes a class of data objects and
  partially describes the behavior of computer
  programs which process them

19
??XML(2)

• XML???
• ????????????,????????????
• ????????????
• ????????????????
• ????????????
• ??Server?????????Client?

20
Script??

• JavaScript
• VBScript

21
JavaScript

• ????(Netscape)?????(Sun)????????????
• ?????HTML???,?????????
• ???????JavaScript??????????
• JavaScript??

22
VBScript

• ????(Microsoft)???????????
• ??????HTML???,???JavaScript??,??VB (Visual Basic)
  ??
• ???????VBScript??????????
• VBScript??

23
Java Applet

• ?????(Sun)???Java?????
• ????????? Java??????????????????????????(???)
• Java???????????????
• Java Applet (????????)
• Java Application (??????????)
• Java Apple??

24
ActiveX??

• ????(Microsoft)???????????????????
• ????????????IE???
• ????????ActiveX Script?ActiveX Control ?ActiveX
  Document????

25
ActiveX?????

• ActiveX Script
• ????????????Script??,??JavaScript??? VBScript???
• ActiveX Control
• ???????????????????????????,???????????Java
  Applet????????
• ActiveX Control??
• ActiveX Document
• ????????????Word?Excel?PowerPoint??????????,??????
  ????????????????

26
CGI

• CGI(Common Gateway Interface)
• ??Web Server??????????
• CGI?WWW????
• Dos-CGI??Dos??????CGI
• Windows-CGI??Windows??????CGI
• CGI??

27
CGI?WWW????
28
API

• API(Application Programming Interface)
• ??Web Server??????????
• API?WWW????
• ISAPI
• Microsoft Web Server?API
• IDC, ASP, ...
• NSAPI
• Netscape Web Server?API

29
API?WWW????
30
ISAPI-IDC

• IDC(Interface Database Connector)
• ????WWW Server????????
• ??.idc?.htx?????????
• .idc???????????
• .htx???????????
• ??????????FrontPage????????
• IDC??

31
ISAPI-ASP

• ASP(Active Server Page)
• ??Web Server???????????????
• ????????asp
• ??????????? FrontPage??????InterDev???
• ASP??

32
??JSP

• JSP(JavaServer Pages)
• an easy and powerful way to build web pages with
  dynamically-generated content
• As part of the Java family
• rapid development of web-based applications
• server- and platform-independent
• JSP(Compiler)?ASP(Interpreter)

33
??Java Servlet

• ?Java??????Web Server(Java-enabled)??????
• ??????Web Server???
• Servlet?Applet?????
• ????Servlet?Web Server?Java Web Server, Netscape
  Enterprise, Microsoft IIS, Apache, . . .
• JBuilder???Servlet

34
Database??

• ODBC
• JDBC

35
ODBC

• ODBC(Open DataBase Connectivity)
• Microsoft?Oracle??????
• ??????????
• ODBC??????????
• ODBC?WWW?????

36
ODBC?????????
37
ODBC?WWW????
38
ODBC????

• ADO(ActiveX Data Object)
• ??ActiveX??????????,???ASP?????
• ADO???ODBC?????
• ADO????????
• ltSet Conn Server.CreateObject("ADODB.Connectio
  n")Conn.Open "student"' Conn.Open
  "driverMicrosoft Access Driver (.mdb)dbq"
  Server.MapPath("/ASPSamp/gmiweb/db/student.mdb")
  SQL "SELECT stud_no, name, sex, tel_no, address
  "SQL SQL "FROM student "SQL SQL "WHERE
  stud_no '" Request.Form("stud_no") "'"Set
  RS Conn.Execute(SQL)gt

39
JDBC

• JDBC(Java DataBase Connectivity)
• ????Java????????????
• ???ODBC??
• ?????Java??