jsp连接oracle(javabean)
package DBbean;
import java.sql.*;
public class ConnBean
{
private Connection con;
//初始化连接。
public ConnBean()
{
try
{
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@localhost:1521:orcl";
String user="scott";
String password="tiger";
con= DriverManager.getConnection(url,user,password);
}
catch (InstantiationException e)
{
e.printStackTrace();
} catch (IllegalAccessException e)
{
e.printStackTrace();
}
catch(ClassNotFoundException e)
{
System.out.println("DRIVER NOT FOUND!");
con=null;
}
catch(SQLException e)
{
con=null;
}
}
//查询数据库
public ResultSet getContact(String id)
{
try
{
Statement stm=con.createStatement();
ResultSet result=stm.executeQuery("select * from student where id='"+id+"'");
return result;
}
catch(Exception e)
{
}
return null;
}
}
相关文档:
【示例1.1】 查询雇员编号为7788的雇员姓名和工资。
步骤1:用SCOTT/TIGER账户登录SQL*Plus。
步骤2:在输入区输入以下程序:
/*这是一个简单的示例程序*/
SET SERVEROUTPUT ON
DECLARE--定义部分标识
v_name VARCHAR2 ......
oracle grant
授权语句--select * from dba_users; 查询数据库中的所有用户
--alter user TEST_SELECT account lock; 锁住用户
--alter user TEST_SELECT account unlock; 给用户解锁
--create user xujin identified by xujin; 建立用户
--grant create tablespace to xujin; 授权
--grant select ......
[root@GISDB ~]$ su - oracle
[oracle@GISDB ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Tue Oct 13 11:03:03 2009
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup
ORACLE instance started.
To ......
在提交表单的页里加上
<%
org.apache.struts.util.TokenProcessor.getInstance().saveToken(request);
%>
<input type="hidden" name="org.apache.struts.taglib.html.TOKEN" value="<%=session.getAttribute("org.apache.struts.action.TOKEN")%>" />
struts action里
if(isTokenValid(request ......