database.java

聊天系统。1、聊天 2、传文件 3、多人聊天

package com.server;

import java.sql.* ;

public class DataBase{
	static Connection cn = null ;
	public static Connection getConnection(){
		try {
			Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
			cn = DriverManager
						.getConnection(
								"jdbc:microsoft:sqlserver://127.0.0.1:1433;databasename=chat",
								"lee", "1234");
	    }
	    catch (Exception ex) {
	    }
		return cn ;
	}
}