package?com;

import?java.sql.*;

public?class?ConnectDB
{?
	//數據庫用戶名
	String?userName=“sa“;
	//數據庫密碼
	String?userPassword=“123“;
	//數據庫的URL
	String?url=“jdbc:sqlserver://localhost:1433;?DatabaseName=chat“;
	//定義一個連接對象
	Connection?Conn;???
	//錯誤信息串
	String?errMes;
????	
???	public?ConnectDB（）
???	{
???		//初始化操作
		errMes=““;
???		Conn=null;
???	}
???	
	//連接數據庫
???	public?Connection?getConn（）
???	{???	
	???	try
	???	{?
			//聲明所用的類包
			Class.forName（“com.microsoft.sqlserver.jdbc.SQLServerDriver“）;
			//獲得數據庫的連接對象
			Conn=?DriverManager.getConnection（urluserNameuserPassword）;
	???	}
	???	catch（Exception?e）
	???	{	???		
	???		Conn?=?null;
	???		errMes=e.toString（）;	???		
	???	}
	???	return?Conn;
???}
???
???//獲取錯誤信息
???public?String?getErrMes（）
???{

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????410??2011-05-10?12:28??Chat\.classpath

?????文件????????285??2011-05-10?12:07??Chat\.mymetadata

?????文件???????1222??2011-05-10?12:28??Chat\.project

?????文件????????334??2011-05-10?12:06??Chat\.settings\org.eclipse.jdt.core.prefs

?????文件????3145728??2011-05-10?13:04??Chat\DB\chat.mdf

?????文件????1048576??2011-05-10?13:04??Chat\DB\chat_log.ldf

?????文件????????188??2007-01-28?21:59??Chat\images\gg.gif

?????文件????????226??2007-01-28?21:59??Chat\images\mm.gif

?????文件???????8192??2007-01-28?21:59??Chat\images\Thumbs.db

?????文件????????894??2011-05-10?12:49??Chat\src\com\ConnectDB.java

?????文件???????1188??2011-05-10?12:47??Chat\src\com\ExecuteDB.java

?????文件????????850??2011-05-10?12:40??Chat\WebRoot\display_info.jsp

?????文件???????1062??2011-05-10?12:10??Chat\WebRoot\index.html

?????文件????????834??2011-05-10?12:07??Chat\WebRoot\index.jsp

?????文件???????1068??2011-05-10?12:39??Chat\WebRoot\logout.jsp

?????文件???????2861??2011-05-10?12:32??Chat\WebRoot\main.jsp

?????文件?????????39??2011-05-10?12:06??Chat\WebRoot\meta-INF\MANIFEST.MF

?????文件???????3069??2011-05-10?12:35??Chat\WebRoot\send_info.jsp

?????文件???????2965??2011-05-10?12:41??Chat\WebRoot\untitled.jsp

?????文件???????1618??2011-05-10?12:40??Chat\WebRoot\user_info.jsp

?????文件???????1614??2011-05-10?12:41??Chat\WebRoot\user_reg_form.html

?????文件???????2117??2011-05-10?12:44??Chat\WebRoot\user_reg_save.jsp

?????文件???????1187??2011-05-10?12:49??Chat\WebRoot\WEB-INF\classes\com\ConnectDB.class

?????文件???????1625??2011-05-10?12:47??Chat\WebRoot\WEB-INF\classes\com\ExecuteDB.class

?????文件?????409322??2011-04-23?09:29??Chat\WebRoot\WEB-INF\lib\sqljdbc.jar

?????文件????????375??2011-05-10?12:06??Chat\WebRoot\WEB-INF\web.xml

?????目錄??????????0??2011-05-10?13:09??Chat\WebRoot\WEB-INF\classes\com

?????目錄??????????0??2011-05-10?13:09??Chat\WebRoot\WEB-INF\classes

?????目錄??????????0??2011-05-10?13:09??Chat\WebRoot\WEB-INF\lib

?????目錄??????????0??2011-05-10?13:09??Chat\src\com

............此處省略12個文件信息