databaseconnection.java

这个是jsp编写的考试系统代码

package kaoshi.tool;

import java.sql.*;
import java.util.Properties;
import java.io.FileInputStream;
import java.util.*;

public class DatabaseConnection {
	public static Connection getConnection(){
		Connection con=null;
		try{
			FileInputStream fi=new FileInputStream("db.txt");
      		Properties p=new Properties();
      		p.load(fi); 		  				
      		Class.forName(p.getProperty("driver"));
      		con=DriverManager.getConnection(p.getProperty("url"),p.getProperty("user"),p.getProperty("password"));
			fi.close();
		}catch(Exception ex){System.out.println(ex);}
		return con;
	}
}