User Registration Form in JSP

In this example we are going to work with a user registration page and saving the data into the database.

To store the data in the database table, create a table in which the values will be inserted.
Now make one user registration jsp page.

In this example we will create a simple registration form which will insert the entered data into the database successfully with the help of a servlet.

When submit button is clicked the data will be inserted into the database. Firstly the registration form data will go to the controller servlet and search for the variables submitted in the form using the method getParameter() method at the request object.

Subsequently it passes a query statement to the database to insert the data retrieved from the registration form. To stored the data into the database it uses setString() method and to retrieve the data from the database it uses the getString() method of PreparedStatement object.

The code of the program is given below:

<form action="/userregister/Registration " method=post>
<table cellpadding=4 cellspacing=2 border=0>
<th bgcolor="#999966" colspan=2>
<font size=5>REGISTRATION</font>
<br><font size=1><sup></sup></font><hr>
</th><tr bgcolor="#999966"><td valign=top>
<b>First Name<sup>*</sup></b>
<br><input type="text" name="firstname" value="" size=15 maxlength=20>
</td><td valign=top><b>Last Name<sup>*</sup></b>
<br><input type="text" name="surname" value="" size=15 maxlength=20></td>
</tr><tr bgcolor="#999966">
<td valign=top><b>E-Mail<sup>*</sup></b>
<br><input type="text" name="email" value="" size=25
maxlength=125><br></td><td valign=top>
<b>Zip Code<sup>*</sup></b> <br>
<input type="text" name="zipcode" value="" size=5 maxlength=6></td>
</tr><tr bgcolor="#999966"><td valign=top colspan=2>
<b>User Name<sup>*</sup></b><br>
<input type="text" name="userId" size=10 value="" maxlength=10>
</td></tr><tr bgcolor="#999966">
<td valign=top><b>Password<sup>*</sup></b>
<br><input type="password" name="address1" size=10 value=""
maxlength=10></td><td valign=top>
<b>Confirm Password<sup>*</sup></b>
<br><input type="password" name="address2" size=10 value=""
maxlength=10></td><br>
</tr><td valign=top>
<b>Town:<sup>*</sup></b>
<br><input type="text" name="town" size=10 value=""
maxlength=10></td>
<br></tr><td valign=top>
<b>City:<sup>*</sup></b>
<br><input type="text" name="country" size=10 value=""
maxlength=10></td><br>
</tr><tr bgcolor="#663300">
<td align=center colspan=2><hr>
<input type="submit" value="Submit"></td></tr></table></center>

</form>
</body>
</html>

Registration .java

package myservlets;

import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Registration extends HttpServlet{
public void init(ServletConfig config) throws ServletException{
super.init(config);
}
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException{
String connectionURL = "jdbc:mysql://localhost/jsp";
Connection connection=null;
ResultSet rs;
res.setContentType("text/html");
PrintWriter out = res.getWriter();
String uId = req.getParameter("userId");
String fname = req.getParameter("firstname");
String sname = req.getParameter("surname");
String address1 = req.getParameter("address1");
String address2 = req.getParameter("address2");
String town = req.getParameter("town");
String county = req.getParameter("country");
String zipcode = req.getParameter("zipcode");
try {
Class.forName("org.gjt.mm.mysql.Driver");
connection = DriverManager.getConnection(connectionURL, "root", "root");
String sql = "insert into userprofile values (?,?,?,?,?,?,?,?)";
PreparedStatement pst = connection.prepareStatement(sql);
pst.setString(1, uId);
pst.setString(2, fname);
pst.setString(3, sname);
pst.setString(4, address1);
pst.setString(5, address2);
pst.setString(6, town);
pst.setString(7, county);
pst.setString(8, zipcode);
int numRowsChanged = pst.executeUpdate();
out.println(" Welcome : ");
out.println(" '"+fname+"'");
pst.close();
}
catch(ClassNotFoundException e){
out.println("Couldn't load database driver: " + e.getMessage());
}
catch(SQLException e){
out.println("SQLException caught: " + e.getMessage());
}
catch (Exception e){
out.println(e);
}
finally {

try {
if (connection != null) connection.close();
}
catch (SQLException ignored){
out.println(ignored);
}
}
}
}

web.xml file for this program:

<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_5.xsd"
version="2.5">
<description>
User Registration and Login Example.
</description>
<display-name>User Registration and Login Example</display-name>
<servlet>
<servlet-name>Registration</servlet-name>
<servlet-class>myservlets.Registration</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Registration</servlet-name>
<url-pattern>/Registration</url-pattern>
</servlet-mapping>
</web-app>

The output of the program is given below:

The output of the input data:

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