Java Server Pages

1
Java Server Pages

• MSTU 5031

2
How it all works

• JSP
• Tomcat compiles creates a servlet
• Creates .java files
• Method
• doPost()
• doGet()

3

• How to do you create a JSP?
• Necessary Elements
• Reading data from form elements

4
Using Java HTML Together

• Import any java classes you need
• lt_at_gt
• Directive
• lt_at_ page contentType"text/html
  charsetiso-8859-1" language"java"
  import"java.sql." errorPage"" gt
• ltgt
• Scriptlet tag
• ltString name request.getParameter(name)gt
• ltgt
• Expression
• Your name is ltnamegt !

5

• Form action
• Form method
• getParameter()
• getParameterName()
• getParameterValue()
• Enumeration

6
Errors

• 404
• File does not exist or permissions are not set
  correctly
• 505
• Compilation error
• Logs

7
Next Week

• Assignment 1 due
• Lab
• Work on assignment 1
• Make sure your environment is working