|
Connect JSP with mysql
In this example we will show you how to connect to
MySQL database from your JSP code. First, you need to create database and then
write jsp code to connect jsp to database.
1. Create a database:
First create a database named usermaster in
mysql. Before running the jsp code you need to paste mySqlConnector.jar in lib
directory of jdk.
mysql> create database
usermaster;
(This query create database in my sql command prompt) |
2. Connect JSP with mysql:
Here is the jsp code.
ConnectJspToMysql.jsp
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ page import="java.sql.*" %>
<%@ page import="java.io.*" %>
<html>
<head>
<title>Connection with mysql database</title>
</head>
<body>
<h1>Connection status </h1>
<%
try {
/* Create string of connection url within specified format with machine name,
port number and database name. Here machine name id localhost and
database name is usermaster. */
String connectionURL = "jdbc:mysql://localhost:3306/usermaster";
// declare a connection by using Connection interface
Connection connection = null;
// Load JBBC driver "com.mysql.jdbc.Driver"
Class.forName("com.mysql.jdbc.Driver").newInstance();
/* Create a connection by using getConnection() method that takes parameters of
string type connection url, user name and password to connect to database. */
connection = DriverManager.getConnection(connectionURL, "root", "root");
// check weather connection is established or not by isClosed() method
if(!connection.isClosed())
%>
<font size="+3" color="green"></b>
<%
out.println("Successfully connected to " + "MySQL server using TCP/IP...");
connection.close();
}
catch(Exception ex){
%>
</font>
<font size="+3" color="red"></b>
<%
out.println("Unable to connect to database.");
}
%>
</font>
</body>
</html> |
Output:
Output of the program when connection is
established with specified mysql database :
Output of the program when unable to
connect to specified MySQL database :
Download source code
|
Del.icio.us
Digg
Google
Spurl
Blink
Furl
Simpy
Y! MyWeb
