tools.java

可以实现在线考试

package dao;

import java.sql.*;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.*;

public class Tools 
{
	public static Connection getConnection()
	{
		Connection conn = null;
		DataSource data = null;
		try {
		Class.forName("oracle.jdbc.driver.OracleDriver");
			conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:oracle","j1121","j1121");
			//Context context = new InitialContext();
			//data = (DataSource)context.lookup("java:comp/env/data");
			//conn = data.getConnection();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return conn;
	}
}