import?java.sql.*;
public?class?Database?{
????private?String?dbUrl?=“jdbc:mysql://127.0.0.1:3306/baiduzhidao“;//數據庫
????private?String?dbUser=“root“;??????????????????????????????//用戶名
????private?String?dbPwd=“sa“;????????????????????????????//密碼

???
????public?Database（）?{
????????try?{
????????????//加載數據庫驅動程序9
????????	Class.forName（“com.mysql.jdbc.Driver“）;?
????????}?catch?（ClassNotFoundException?exception）?{
????????	exception.printStackTrace（）;
????????}
????}
????//獲取數據庫連接
????public?Connection?getCon（）{
????????Connection?con?=?null;
????????try?{
??????????//建立數據庫連接
??????????con?=?DriverManager.getConnection（dbUrl?dbUser?dbPwd）;
??????????System.out.println（“success“）;
????????}?catch?（SQLException?exception）?{
??????????exception.printStackTrace（）;
????????}
????????return?con;
????}
????//關閉數據庫連接
????public?void?closeConnection（Connection?con）{
????????try{
????????????if（con!=null）?con.close（）;
????????}catch（Exception?e）{
????????????e.printStackTrace（）;
????????}
????}
????public?static?void?main（String?aa[]）{
????	Database?db=new?Database（）;
????	Connection?connection=db.getCon（）;
????	
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-08-20?12:00??Mysql_BaiDu\
?????文件?????????420??2011-08-20?12:06??Mysql_BaiDu\.classpath
?????文件?????????387??2011-08-20?11:53??Mysql_BaiDu\.project
?????目錄???????????0??2011-08-20?11:53??Mysql_BaiDu\.settings\
?????文件?????????629??2011-08-20?11:53??Mysql_BaiDu\.settings\org.eclipse.jdt.core.prefs
?????目錄???????????0??2011-08-20?16:49??Mysql_BaiDu\bin\
?????文件????????1782??2011-08-20?16:16??Mysql_BaiDu\bin\Database.class
?????文件????????2204??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$1.class
?????文件????????1577??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$2.class
?????文件????????2655??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$3.class
?????文件?????????840??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$4.class
?????文件????????1250??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$5.class
?????文件????????1923??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$6.class
?????文件?????????621??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe$7.class
?????文件????????8024??2011-08-20?16:46??Mysql_BaiDu\bin\Mainframe.class
?????文件????????2833??2011-08-20?16:48??Mysql_BaiDu\bin\ModifyBook$1.class
?????文件????????5454??2011-08-20?16:48??Mysql_BaiDu\bin\ModifyBook.class
?????文件????????1460??2011-08-20?16:28??Mysql_BaiDu\bin\Student.class
?????目錄???????????0??2011-08-20?12:00??Mysql_BaiDu\lib\
?????文件??????709922??2011-08-20?12:00??Mysql_BaiDu\lib\mysql-connector-java-5.1.7-bin.jar
?????目錄???????????0??2011-08-20?16:49??Mysql_BaiDu\src\
?????文件????????1214??2011-08-20?12:33??Mysql_BaiDu\src\Database.java
?????文件???????11075??2011-08-20?16:46??Mysql_BaiDu\src\Mainframe.java
?????文件????????5817??2011-08-20?16:48??Mysql_BaiDu\src\ModifyBook.java
?????文件????????1024??2011-08-20?16:28??Mysql_BaiDu\src\Student.java