2.4. The Client Request: Form Data
One of the main motivations for building Web pages dynamically is to base the result upon query data submitted by the user. This section briefly shows you how to access that data. More details are provided in Chapter 3 of Core Servlets and JavaServer Pages (available in PDF at http://www.moreservlets.com).
If you’ve ever used a search engine, visited an online bookstore, tracked stocks on the Web, or asked a Web-based site for quotes on plane tickets, you’ve probably seen funny-looking URLs like http://host/path?user=Marty+Hall&origin=bwi&dest=nrt. The part after the question mark (i.e., user=Marty+Hall&origin=bwi&dest=nrt) is known as form data (or query data) and is the most common way to get information ...
Get More Servlets and JavaServer Pages™ now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
