How does the following JSP code is converted into servlet code?
Table of Contents
- 1 How does the following JSP code is converted into servlet code?
- 2 How do I forward to another servlet?
- 3 Where is JSP file converted to servlets and stored?
- 4 How to send data from the servlet to the JSP page?
- 5 How to obtain these data in a servlet and add to database?
- 6 How to get the submitted value from input fields in servlet?
How does the following JSP code is converted into servlet code?
What is JavaServer Pages? A JavaServer Pages component is a type of Java servlet that is designed to fulfill the role of a user interface for a Java web application. Web developers write JSPs as text files that combine HTML or XHTML code, XML elements, and embedded JSP actions and commands.
How do I forward to another servlet?
To forward request from one servlet to other either you can user RequestDispatcher or SendRedirect. To use RequestDispatcher you must have to get ServletContext reference and then you have to call the getRequestDispatcher() method of ServletContext and using SendRedirect you have to write response. sendRedirect(“URL”).
How do I pass control from one JSP page to another?
delindia
- delindia. Answered On : Jan 3rd, 2012.
- The RequestDispatcher objects forward method to pass the control. The response.sendRedirect method. Code. <\% response. sendRedirect(“RedirectIfSuccessful.html” \%> <\% String st=request. getParameter(“n”); if(st==””){ getServletContext(). getRequestDispatcher(
Where is JSP file converted to servlets and stored?
4 Answers. If WebLogic is compiling JSP (i.e. if you are not precompiling them), they should be located under domain_name/servers/server-name-1/tmp/_WL_user .
How to send data from the servlet to the JSP page?
First, in the servlet’s doGet () / doPost () method, you need to get a reference of RequestDispatcher from the request, passing the destination page. For example: To send data from the servlet to the JSP page, set attributes for the request object in the form of name-value.
How to get the parameters passed to a HTTPServlet from a form?
But if you are using plain servlets, you will have a class that extends HttpServlet and inside it you will have two methods that look like One of them is called to handle GET operations and another is used to handle POST operations. You will then use the HttpServletRequest object to get the parameters that were passed as part of the form like so:
How to obtain these data in a servlet and add to database?
How to obtain these data in a servlet and add them to database? Create a class which extends HttpServlet and put @WebServlet annotation on it containing the desired URL the servlet should listen on. And just let point to this URL.
How to get the submitted value from input fields in servlet?
Create a doPost () method in your servlet which grabs the submitted input values as request parameters keyed by the input field’s name ( not id !). You can use request.getParameter () to get submitted value from single-value fields and request.getParameterValues () to get submitted values from multi-value fields.