How to modify html to jsp display page for servlet response
Question
I am trying to build a site that displays report results based on a date range inputted by the user. First I built the front-end "aesthetics" part of it in HTML/CSS/JS using dummy json data to retrieve the results. Now I am trying to eliminate the json and actually integrate it with the backend, which I have no experience with so am struggling a bit.
Right now I have a Java servlet written, and it works alright. I'm writing the ResultSet from the database query by doing response.getWriter().write(""); Now from what I've seen the next step is to display the results by appending to the URL, but the code that formats and displays it properly is just a div currently. What is the proper way to do this/modify the code?
Sorry if this is a badly written question, I'm not totally sure of all the terminology or best practices, although I'm trying to learn.
EDIT: Currently on the html page I have
$('#gen-report').click(function(){
$("#auction-report").fadeIn({ duration: 400 });
}
In the auction-report div is all of my formatting & elements (charts, displays, etc.) Is there a way to make use of this code instead of having to start my jsp page from scratch?
1 answers
solution1
1 2018-07-12 16:18:44
Put parameters in servlet to request, then invoke forward from request.getRequestDispatcher.
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setAttribute("now", LocalDate.now());
RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/view/test.jsp");
dispatcher.forward(request, response);
}
Now you have access to params which you put in request. Here jsp:
<%@ page language="java" contentType="text/html; charset=windows-1255"
pageEncoding="windows-1255"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1255">
<title>Test</title>
</head>
<body>
<h2>Date</h2>
<%= request.getParameter("now") %>
</body>
</html>
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