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JSP Tutorial

This article is a series of JSP Tutorial. In this article, we will build a simple Employee Registration module using JSP, JDBC and MySQL database.

In this example, we will write JDBC code separate from the JSP page because it is good practice to separate Java code from the JSP page. JSP page we will be using only for presentation.

You can download the source code of this article from my GitHub repository. The link has given at end of this article.

Tools and technologies used

JSP - 2.2 +
IDE - STS/Eclipse Neon.3
JDK - 1.8 or later
Apache Tomcat - 8.5
JSTL - 1.2.1
MySQL - mysql-connector-java-8.0.13.jar

Development Steps

Create Eclipse Dynamic Web Project
Add Dependencies
Project Structure
MySQL Database Setup
Create a JavaBean - Employee.java
Create a EmployeeDao.java
Create a employeeregister.jsp
Create a employeedetail.jsp
Demo

1. Create an Eclipse Dynamic Web Project

To create a new dynamic Web project in Eclipse:

1. On the main menu select File > New > Project....

2. In the upcoming wizard choose Web > Dynamic Web Project.

3. Click Next.

4. Enter project name as "jsp-jdbc-mysql-example";

5. Make sure that the target runtime is set to Apache Tomcat with the currently supported version.

2. Add Dependencies

Add the latest release of below jar files to the lib folder.

jsp-api.2.3.1.jar

servlet-api.2.3.jar

mysql-connector-java-8.0.13.jar

3. Project Structure

Standard project structure for your reference -

4. MySQL Database Setup

Let's create a database named "mysql_database" in MySQL. Now, create an employee table using below DDL script:

CREATE TABLE `employee` (
   `id` int(3) NOT NULL,
   `first_name` varchar(20) DEFAULT NULL,
   `last_name` varchar(20) DEFAULT NULL,
   `username` varchar(250) DEFAULT NULL,
   `password` varchar(20) DEFAULT NULL,
   `address` varchar(45) DEFAULT NULL,
   `contact` varchar(45) DEFAULT NULL,
   PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
SELECT * FROM mysql_database.employee;

5. Create a JavaBean - Employee.java

Let's create an Employee JavaBean class which we will use in JSP action tags.

package net.javaguides.jsp.jdbc.bean;

import java.io.Serializable;

/**
 * JavaBean class used in jsp action tags.
 * @author Ramesh Fadatare
 */
public class Employee implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 1 L;
    private String firstName;
    private String lastName;
    private String username;
    private String password;
    private String address;
    private String contact;
    public String getFirstName() {
        return firstName;
    }
    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }
    public String getLastName() {
        return lastName;
    }
    public void setLastName(String lastName) {
        this.lastName = lastName;
    }
    public String getUsername() {
        return username;
    }
    public void setUsername(String username) {
        this.username = username;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public String getAddress() {
        return address;
    }
    public void setAddress(String address) {
        this.address = address;
    }
    public String getContact() {
        return contact;
    }
    public void setContact(String contact) {
        this.contact = contact;
    }
}

6. Create an EmployeeDao.java

We will separate JDBC accessing code separate from JSP. So let's create an EmployeeDao class under net.javaguides.jsp.jdbc.database package and add the following code to it:

package net.javaguides.jsp.jdbc.database;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import net.javaguides.jsp.jdbc.bean.Employee;

public class EmployeeDao {

    public int registerEmployee(Employee employee) throws ClassNotFoundException {
        String INSERT_USERS_SQL = "INSERT INTO employee" +
            "  (id, first_name, last_name, username, password, address, contact) VALUES " +
            " (?, ?, ?, ?, ?,?,?);";

        int result = 0;

        Class.forName("com.mysql.jdbc.Driver");

        try (Connection connection = DriverManager
            .getConnection("jdbc:mysql://localhost:3306/mysql_database?useSSL=false", "root", "root");

            // Step 2:Create a statement using connection object
            PreparedStatement preparedStatement = connection.prepareStatement(INSERT_USERS_SQL)) {
            preparedStatement.setInt(1, 1);
            preparedStatement.setString(2, employee.getFirstName());
            preparedStatement.setString(3, employee.getLastName());
            preparedStatement.setString(4, employee.getUsername());
            preparedStatement.setString(5, employee.getPassword());
            preparedStatement.setString(6, employee.getAddress());
            preparedStatement.setString(7, employee.getContact());

            System.out.println(preparedStatement);
            // Step 3: Execute the query or update query
            result = preparedStatement.executeUpdate();

        } catch (SQLException e) {
            // process sql exception
            printSQLException(e);
        }
        return result;
    }

    private void printSQLException(SQLException ex) {
        for (Throwable e: ex) {
            if (e instanceof SQLException) {
                e.printStackTrace(System.err);
                System.err.println("SQLState: " + ((SQLException) e).getSQLState());
                System.err.println("Error Code: " + ((SQLException) e).getErrorCode());
                System.err.println("Message: " + e.getMessage());
                Throwable t = ex.getCause();
                while (t != null) {
                    System.out.println("Cause: " + t);
                    t = t.getCause();
                }
            }
        }
    }
}

You can learn complete JDBC at JDBC Tutorial

7. Create a employeeregister.jsp

Let's design employee registration HTML form with following fields:

firstName
lastName
username
password
address
contact

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
    <!DOCTYPE html>
    <html>

    <head>
        <meta charset="ISO-8859-1">
        <title>Insert title here</title>
    </head>

    <body>
        <h1>Employee Register Form</h1>
        <form action="employeedetails.jsp" method="post">
            <table style="with: 50%">
                <tr>
                    <td>First Name</td>
                    <td><input type="text" name="firstName" /></td>
                </tr>
                <tr>
                    <td>Last Name</td>
                    <td><input type="text" name="lastName" /></td>
                </tr>
                <tr>
                    <td>UserName</td>
                    <td><input type="text" name="username" /></td>
                </tr>
                <tr>
                    <td>Password</td>
                    <td><input type="password" name="password" /></td>
                </tr>
                <tr>
                    <td>Address</td>
                    <td><input type="text" name="address" /></td>
                </tr>
                <tr>
                    <td>Contact No</td>
                    <td><input type="text" name="contact" /></td>
                </tr>
            </table>
            <input type="submit" value="Submit" /></form>
    </body>

    </html>

8. Create a employeedetail.jsp

After an employee successfully registered then this page shows a successful message on screen:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
 pageEncoding="ISO-8859-1"%>
<%@page import="net.javaguides.jsp.jdbc.database.*"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>

 <jsp:useBean id="employee"
  class="net.javaguides.jsp.jdbc.bean.Employee" />

 <jsp:setProperty property="*" name="employee" />

 <%
  EmployeeDao employeeDao = new EmployeeDao();
  int status = employeeDao.registerEmployee(employee);
  if (status > 0) {
   out.print("You are successfully registered");
  }
 %>
</body>
</html>

Note that in the above page, we have used JSP action tags. Read more about action tags here.

9. Demo

It's time to see a demo of the above development. Deploy this web application in tomcat server.

Employee Registration

Once you deploy this application successfully then hit this link into a browser - http://localhost:8080/jsp-jdbc-mysql-example/employeeregister.jsp

Registration Success Page

GitHub Repository

https://github.com/RameshMF/JSP-Tutorial

In the next article, we will look into case studies of using JSP and JDBC at JSP Registration Form + JDBC + MySQL Example

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JSP + JDBC + MySQL Example

JSP Tutorial

Tools and technologies used

Development Steps

1. Create an Eclipse Dynamic Web Project

2. Add Dependencies

3. Project Structure

4. MySQL Database Setup

5. Create a JavaBean - Employee.java

6. Create an EmployeeDao.java

7. Create a employeeregister.jsp

8. Create a employeedetail.jsp

9. Demo

Employee Registration

Registration Success Page

GitHub Repository

JSP Tutorial

Free Spring Boot Tutorial | Full In-depth Course | Learn Spring Boot in 10 Hours