database.java

来自「一个简单的购物小例子shop9 欢迎下载」· Java 代码 · 共 28 行

package com.gxn ;

import java.sql.* ;
import javax.servlet.http.* ;


public class DataBase extends HttpServlet {
	private static String driver ;
	private static String url ;
	private static String username ;
	private static String password ;
	public void init() {
		driver = this.getInitParameter("driver") ;
		url = this.getInitParameter("url") ;
		username = this.getInitParameter("username") ;
		password = this.getInitParameter("password") ;
	}
	public static Connection getConnection() {
		Connection cn = null ;
		try {
			Class.forName(driver) ;
			cn = DriverManager.getConnection(url , username , password) ;
	    }
	    catch (Exception ex) {
	    }
		return cn ;
	}
}