在java 工程里面想连接gbase数据库,最好使用数据库连接池,怎么写哇,我这么写的报错,求指点
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ;
Connection conn = DriverManager.getConnection("jdbc:GBase://192.168.1.101:5258/orcl", "root","1");
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") ;
Connection conn = DriverManager.getConnection("jdbc:GBase://192.168.1.101:5258/orcl", "root","1");
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class Connect2Gbase {
public static void main(String[] args){
try{
//加载MySql的驱动类
Class.forName("com.gbase.jdbc.Driver");
String username = "gbase" ;
String password = "gbase20110531" ;
String url = "jdbc:gbase://10.45.50.145:5258/ztesoft" ;
Connection con = DriverManager.getConnection(url,username,password);
Statement stmt = con.createStatement() ;
String sql = "select 2 from dual ";
PreparedStatement pstmt = con.prepareStatement(sql) ;
ResultSet rs = pstmt.executeQuery();
while(rs.next()){
System.out.println(rs.getObject(1));
}
}catch(SQLException se){
System.out.println("数据库连接失败!");
se.printStackTrace() ;
}catch(ClassNotFoundException e){
System.out.println("找不到驱动程序类 ,加载驱动失败!");
e.printStackTrace() ;
}finally {
System.exit(0);
}
}
}
自己修改对应的数据库配置信息