储存过程的问题

HelloWorld_001
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发表于：2008-05-21 10:55:521楼得分:0

完整例子

JAVA + Oracle存储过程返回查询结果集
===========================================================
作者: atgc(http://atgc.itpub.net)
发表于: 2007.06.09 18:10
分类: 技术文章
出处: http://atgc.itpub.net/post/22412/293784
---------------------------------------------------------------

SQL> desc aa
Name Null? Type
----------------------------------------- -------- ----------------------------
ID VARCHAR2(2)

SQL> select * from aa;

ID
--
1
2
3
4
5
6
7
8
9
10
11

11 rows selected.

---------------
建立PACKAGE
---------------
create or replace package pkg_test
as
type pagination is ref cursor;
procedure page_test
(
p_count in out pls_integer,
p_page in out pagination,
p_beg in pls_integer,
p_end in pls_integer,
p_id in varchar2
);
end;
/

create or replace package body pkg_test
as
procedure page_test
(
p_count in out pls_integer,
p_page in out pagination,
p_beg in pls_integer,
p_end in pls_integer,
p_id in varchar2
)
is
sql_count varchar2(1000) := '';
sql_page varchar2(30000) := '';
begin
sql_count := 'select count(*) from aa';
sql_page := 'select id from aa where rownum <=10';
execute immediate sql_count into p_count;
open p_page for sql_page;
end;
end;
/

---------
test.java
---------

import java.sql.*;
import java.util.*;
import oracle.jdbc.driver.*;
import oracle.sql.*;

public class test
{
public static void main(String args[]) throws Exception
{
DriverManager.registerDriver(new oracle.jdbc.driver.OracleDriver());
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.1.1:1521:数据库SID","用户名","密码");
OracleCallableStatement cstmt = (OracleCallableStatement)conn.prepareCall("begin pkg_test.page_test(?,?,?,?,?); end;");
cstmt.registerOutParameter(1,OracleTypes.VARCHAR); //返回记录数
cstmt.registerOutParameter(2,OracleTypes.CURSOR); //返回结果集
cstmt.setInt(3,1); //起始记录号
cstmt.setInt(4,10); //结束记录号
cstmt.setString(5,"10"); //WHERE 条件
cstmt.execute();
ResultSet rs = (ResultSet)cstmt.getObject(2);
while (rs.next())
{
System.out.println(rs.getString(1));
}
}
}

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