MVC开发模式下的ConnDB.java package com.xinxi.model; //得到数据库的连接 import java.sql.*; public class ConnDB { private Connection ct=null; public Connection getConn(){ try{ Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); ct=DriverManager.getConnection("jdbc:sqlserver://localhost:1433;DatabaseName=djdb","sa","dongjun"); }catch(Exception ex){ ex.printStackTrace(); }return ct; } }