存储过程写的oracle 分页查询

先创建一个游标类型
create or replace package p_page is
type refCursorType is REF CURSOR;  --游标类型定义，用于返回数据
end p_page;

存储过程如下
CREATE OR REPLACE PROCEDURE proc_pageview(p_pagesize INT,
p_pageno INT ,--当前页码 从1开始
p_sqlselect VARCHAR2,--查询语句部分,含排序部分
--p_outrecordcount OUT INT,--f返回总记录数
p_outcursor OUT p_page.refCursorType,
v_sql_count VARCHAR2 --简化的取记录总数的sql语句
) AS
v_sql VARCHAR2(3000);
v_count INT;
v_endrownum INT;
v_startrownum INT;
BEGIN
---取记录数
---使用动态sql获取记录总数
EXECUTE IMMEDIATE v_sql_count INTO v_count;
--p_outrecordcount :=v_count;

v_endrownum := p_pageno*p_pagesize;
v_startrownum :=v_endrownum-p_pagesize+1;

----the sql for page slide
v_sql :='select *
from ( select a.*, rownum rn
from ('|| p_sqlselect ||') a
where rownum <= '||to_char(v_endrownum) || '
)b
where rn >= ' || to_char(v_startrownum);
EXECUTE IMMEDIATE v_sql;
OPEN p_outcursor FOR v_sql;
END  proc_pageview;

测试结果
DECLARE
l_cursor p_page.refCursorType;
l_ename emp.ename%TYPE;
l_empno emp.empno%TYPE;
l_deptno emp.deptno%TYPE;
BEGIN
proc_pageview(5,2,'select  ename,empno from emp order by empno ',p_outcursor=>l_cursor,v_sql_count => 'select count(*) from emp');
LOOP
FETCH l_cursor INTO l_ename,l_empno,l_deptno ;
EXIT WHEN l_cursor%NOTFOUND;
dbms_output.put_line(l_ename|| ' | '|| l_empno|| ' | ' || l_deptno);
END LOOP;
CLOSE l_cursor;
END;
/