From (form)

Send the data entered on the web page to the server-side program Group of input items


<form action="Destination" method="Request method">...</from>

Request method

GET request Get new information (web pages, etc.)

POST request Register the information entered in the form


<input type="text" name="Part name">


<input type="password" name="Part name">


<input type="radio" name="Part name" value="value">


<input type="submit" value="Send">

Stored in the HttpServletRequest instance by the AP server and passed to the destination Servlet class or JSP file


request.setCharacterEncoding("Source HTML character code");


String xxx = request.getParameter("Name of request parameter");