jsp调用存储过程

jsp调用存储过程的实例
import javax.servlet.*;
import java.io.*;
import javax.servlet.http.*;
import java.sql.*;

public class CreateDBServlet extends HttpServlet
{
private String url;
private String user;
private String password;

public void init() throws ServletException
{
String driverClass=getInitParameter("driverClass");
url=getInitParameter("url");
user=getInitParameter("user");
password=getInitParameter("password");
try
{
Class.forName(driverClass);
}
catch(ClassNotFoundException ce)
{
throw new UnavailableException("加载数据库驱动失败！");
}
}

public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException,IOException
{
Connection conn=null;
Statement stmt=null;
try
{
conn=DriverManager.getConnection(url,user,password);
stmt=conn.createStatement();
stmt.executeUpdate("create database bookstore");
stmt.executeUpdate("use bookstore");
stmt.executeUpdate("create table bookinfo(id INT not null primary key,title VARCHAR(50) not null,author VARCHAR(50) not null,bookconcern VARCHAR(100) not null,publish_date DATE not null,price FLOAT(4,2) not null,amount SMALLINT,remark VARCHAR(200)) ENGINE=InnoDB");
stmt.addBatch("insert into bookinfo values(1,'Java从入门到精通','张三','张三出版社','2004-6-1',34.00,35,null)");
stmt.addBatch("insert into bookinfo values(2,'JSP深入编程','李四','李四出版社','2004-10-1',56.00,20,null)");
stmt.addBatch("insert into bookinfo values(3,'J2EE高级编程','王五','王五出版社','2005-3-1',78.00,10,null)");
stmt.executeBatch();

PrintWriter out=resp.getWriter();
out.println("success!");
out.close();
}
catch(SQLException se)
{
se.printStackTrace();
}
finally
{
if(stmt!=null)
{
try
{
stmt.close();
}
catch(SQLException se)
{
se.printStackTrace();
}
stmt=null;
}
if(conn!=null)
{
try
{
conn.close();
}
catch(SQLException se)
{
se.printStackTrace();
}
conn=null;
}
}
}
}

CallableStatement cstmt = null;
Connection conn = getConnection();//得到连接
cstmt = conn.prepareCall("{call 储存过程名称(?,?,?,?,?,?)}");//有几个参数就几个问号
cstmt.setString(1,"值");//第一个参数，参数是什么类型就SET什么类型
cstmt.setString(2,"值");//第二个参数
...
cstmt.setString(n,"值");//第N个参数

忘写了，最后cstmt.execute()执行