A Simple Student Registration Form Using HTML/JavaScript and JSP.
Once a student submit the form it will reach servlet and servlet replies a message.
index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Student Details Entering page ( For Athul kannoth )</title>
</head>
<body>
<script>
function streamOnChange() {
var x = document.getElementById("stream_box_id").value;
if(x=="ten"){
document.getElementById("external_internal").disabled = false;
}else{
document.getElementById("external_internal").disabled = true;
}
}
function extOnchange(){
var ext = document.getElementById("external_internal").value;
document.getElementById("freeText").innerHTML = "You selected: " + ext;
}
</script>
</br>
<div>
<select id="stream_box_id" onchange="streamOnChange()"><option
value="seven">seventh</option>
<option value="eight">eight</option>
<option value="nine">nineth</option>
<option value="ten">tenth</option></select>
</div>
<div>
<select id="external_internal" disabled="true" onchange="extOnchange()"><option
value="private">private</option>
<option value="public">public</option>
</select>
<textarea id="freeText" rows="2" cols="20">
</textarea>
</div>
<form action="StudentServlet">
Please enter the name of Student <input type="text" name="name" /><br>
Please enter the roll NO of Student <input type="text" name="rollNo" /><br>
Please enter the age of Student <input type="text" name="age" /><br>
Please enter the class of Student <input type="text" name="stream" /><br>
<input type="submit" value="submit">
</form>
</body>
</html>
Student Servlet
package com.konzern.studentapp.servlets;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.konzern.studentapp.model.Student;
import com.konzern.studentapp.service.StudentService;
import com.konzern.studentapp.service.StudentServiceInf;
/**
* Servlet implementation class StudentServlet
*/
@WebServlet(description = "Student Details servlet", urlPatterns = { "/StudentServlet" })
public class StudentServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public StudentServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
Student student = new Student();
student.setName(request.getParameter("name"));
String rollNo = request.getParameter("rollNo");;
String age = request.getParameter("age");
// student.setRollNo(Integer.parseInt(request.getParameter("rollNo")));
// student.setAge(Integer.parseInt(request.getParameter("age")));
student.setStream(request.getParameter("stream"));
// StudentServiceInf service = new StudentService();
// String message = service.insert(student);
response.getWriter().append("Successfully reached servlet").append(request.getContextPath());
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
Web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>StudentApp</display-name>
<!-- <servlet>
<servlet-name>StudentServlet</servlet-name>
<servlet-class>com.konzern.studentapp.servlets.StudentServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>StudentServlet</servlet-name>
<url-pattern>/StudentServlet</url-pattern>
</servlet-mapping> -->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
</web-app>
POJO : student POJO ( For data transfer )
/**
*
*/
package com.konzern.studentapp.model;
/**
* @author Athul kannoth
*
*/
public class Student {
private String name =null;
private int rollNo = 0;
private int age = 0;
private String stream= null;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getRollNo() {
return rollNo;
}
public void setRollNo(int rollNo) {
this.rollNo = rollNo;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getStream() {
return stream;
}
public void setStream(String stream) {
this.stream = stream;
}
}
Thanks for reading this.
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