constants.java

一个前台基于AJAX

package com.demo2.common;

import java.util.ResourceBundle;
/**
 * 
 * @author liumei
 *  数据库连接的常量类，用类设置一些连接数据库的参数
 */
public abstract class Constants
{
	
	public static String DRIVER_CLASS;
	public static String DB_URL;
	public static String DB_USER;
	public static String DB_PWD;
	public static final String USER_LOGIN_SESSION_KEY = "user";
	public static final int ITEM_PER_PAGE = 2;
	static
	{
		ResourceBundle rb = ResourceBundle.getBundle("com.demo2.res.config");
		DRIVER_CLASS = rb.getString("driver.class");
		DB_URL = rb.getString("db.url");
		DB_USER = rb.getString("db.user");
		DB_PWD = rb.getString("db.pwd");
	}
}