Obtaining a Connection in JSP : Database « JSP « Java
Obtaining a Connection in JSP
<%@page import="java.sql.*"%>
<html>
<head>
<title>Obtaining a Connection</title>
</head>
<body>
<h1>This Page Obtains a Connection to a Database and executes a query</h1>
The query is based upon a PreparedStatement
<%
Connection conn = null;
ResultSet result = null;
PreparedStatement stmt = null;
ResultSetMetaData rsmd = null;
try {
Class c = Class.forName("com.mysql.jdbc.Driver");
}
catch (Exception e) {
System.out.println("Error occurred " + e);
}
try {
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/ADDRESS");
}
catch (SQLException e) {
System.out.println("Error occurred " + e);
}
try {
stmt = conn.prepareStatement("SELECT * FROM AddressList WHERE name= ?");
stmt.setString(1, "Alex");
result = stmt.executeQuery();
stmt.close();
conn.close();
}
catch (SQLException e) {
System.out.println("Error occurred " + e);
}
finally {
try {
if (stmt != null)
stmt.close();
} catch (SQLException e) {}
try {
if (conn != null)
conn.close();
} catch (SQLException e) {}
}
%>
</body>
</html>
