lecture1
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Server-side
Web Programming
Lecture 1: Course Introduction
and Overview
2
Client-Server Web Architecture
•
Client browser sends request for page to server
–
May contain form data and other information
•
Server sends response page and sends to client
•
May need to generate response page dynamically
–
Form parameters
–
Previous requests (such as items purchased so far)
–
Information in database
Focus of this course
3
Client-Server Web Architecture
Client
Browser
www.cis.ysu.edu/
~john/Syllabus.htm
Request to
www.cis.ysu.edu
for Syllabus.htm
Server
john public_html Syllabus.htm
port
Response containing Syllabus.htm as a long string
(<html><head><title>CSCI 6962
Syllabus</title></head><body>…)
4
Form Handling
•
Form data appended to request string
Generates the request:
/><FORM NAME="purchaseform"
METHOD=GET
ACTION= />Quantity: <INPUT TYPE="text" SIZE="8" NAME="quantity" />
<BR /><BR />
<INPUT TYPE="submit" VALUE="SUBMIT">
</FORM>
5
Form Handling
Server must:
–
Listen on port for requests
–
Parse request to determine values of parameters
–
Generate appropriate response page based on
parameter values
–
Send response page back to client
6
Course Topics
•
Server-side Web Containers
•
Java Server Pages
•
Web Site Architecture
•
Session Handling
•
Database Manipulation
•
Mobile Device Handling
•
Security
