In this tutorial how to Read the Content of a Form using getParameterValues() method in Advance Java (J2EE) is shown.<\/p>\n
Code:<\/p>\n
index.html<\/p>\n
<html>
\n<head>
\n<title>Patient Registration<\/title>
\n<meta charset=”UTF-8″>
\n<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
\n<\/head>
\n<body>
\n<form action=”PatientRegistration” method=”POST”>
\n<center>
\n<table border=”1″>
\n<th colspan=”2″><h1> Patient Registration <\/h1><\/th>
\n<tr><td>Name: <\/td><td><input type=”text” name=”nm”><\/td><\/tr>
\n<tr><td>Date of Birth: <\/td><td><input type=”text” name=”dt”><\/td><\/tr>
\n<tr><td>Contact No: <\/td><td><input type=”text” name=”cno”><\/td><\/tr>
\n<tr><td>Address: <\/td><td><textarea rows=”5″ cols=”50″ name=”add”><\/textarea><\/td><\/tr>
\n<tr><td>Previous Medical History: <\/td><td><textarea rows=”5″ cols=”50″ name=”pmh”><\/textarea><\/td><\/tr>
\n<tr><td>Gender: <\/td><td><input type=”radio” name=”gen” value=”male”>Male<br>
\n<input type=”radio” name=”gen” value=”female”>Female<\/td><\/tr>
\n<tr><td>Allergy History: <\/td><td><input type=”checkbox” name=”ah” value=”solid”>Solid<br>
\n<input type=”checkbox” name=”ah” value=”liquid”>Liquid<br>
\n<input type=”checkbox” name=”ah” value=”others”>Others<br>
\n<input type=”checkbox” name=”ah” value=”none”>None<\/td><\/tr>
\n<tr><td>Habits: <\/td><td> <input type=”checkbox” name=”hb” value=”chewing”>Chewing<br>
\n<input type=”checkbox” name=”hb” value=”drinking”>Drinking<br>
\n<input type=”checkbox” name=”hb” value=”others”>Others<br>
\n<input type=”checkbox” name=”hb” value=”none”>None<\/td><\/tr>
\n<tr><td colspan=”2″><center><input type=”submit” value=”Submit”><\/center><\/td><\/tr><\/p>\n
<\/table>
\n<\/center>
\n<\/form>
\n<\/body>
\n<\/html><\/p>\n
PatientRegistration.java<\/p>\n
import java.io.IOException;
\nimport java.io.PrintWriter;
\nimport javax.servlet.ServletException;
\nimport javax.servlet.http.HttpServlet;
\nimport javax.servlet.http.HttpServletRequest;
\nimport javax.servlet.http.HttpServletResponse;<\/p>\n
public class PatientRegistration extends HttpServlet {<\/p>\n
protected void doPost(HttpServletRequest req, HttpServletResponse res)
\nthrows ServletException, IOException {
\nres.setContentType(“text\/html;charset=UTF-8”);
\ntry (PrintWriter out = res.getWriter()) {
\nString nm=req.getParameter(“nm”);
\nString dt=req.getParameter(“dt”);
\nString cno=req.getParameter(“cno”);
\nString add=req.getParameter(“add”);
\nString pmh=req.getParameter(“pmh”);
\nString gen=req.getParameter(“gen”);
\nString ah[]=req.getParameterValues(“ah”);
\nString hb[]=req.getParameterValues(“hb”);
\n\/* TODO output your page here. You may use following sample code. *\/
\nout.println(“<!DOCTYPE html>”);
\nout.println(“<html>”);
\nout.println(“<head>”);
\nout.println(“<title>Servlet PatientRegistration<\/title>”);
\nout.println(“<\/head>”);
\nout.println(“<body>”);
\nout.println(“<h1>Patient Details<\/h1>”);
\nout.println(“<p>Name: “+nm+”<\/p>”);
\nout.println(“<p>Date of Birth: “+dt+”<\/p>”);
\nout.println(“<p>Contact No: “+cno+”<\/p>”);
\nout.println(“<p>Address: “+add+”<\/p>”);
\nout.println(“<p>Patient Medical History: “+pmh+”<\/p>”);
\nout.println(“<p>Gender: “+gen+”<\/p>”);
\nout.println(“<p>Allergy History: <\/p>”);
\nfor(String a:ah)
\n{
\nout.println(a+”<br>”);
\n}
\nout.println(“<p>Habits: <\/p>”);
\nfor(String h:hb)
\n{
\nout.println(h+”<br>”);
\n}
\nout.println(“<\/body>”);
\nout.println(“<\/html>”);
\n}
\n}<\/p>\n
}<\/p>\n