mysql分頁1

測試表

CREATE TABLE IF NOT EXISTS `test` (
  `id` int(11) NOT NULL auto_increment,
  `sort` int(11)
  `title` varchar(50),
  PRIMARY KEY  (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=gb2312 AUTO_INCREMENT=1 ;

預存程序代碼

DELIMITER $$;
DROP PROCEDURE IF EXISTS `sp_page`$$
CREATE PROCEDURE `sp_page`(
 in _pagecurrent int,/*當前頁*/
 in _pagesize int,/*每頁的記錄數*/
 in _ifelse varchar(1000),/*顯示欄位*/
 in _where varchar(1000),/*條件*/
 in _order varchar(1000)/*排序*/
)
COMMENT '分頁預存程序'
BEGIN
 if _pagesize<=1 then 
  set _pagesize=20;
 end if;
 if _pagecurrent < 1 then 
  set _pagecurrent = 1; 
 end if;
 
 set @strsql = concat('select ',_ifelse,' from ',_where,' ',_order,' limit ',_pagecurrent*_pagesize-_pagesize,',',_pagesize); 
 prepare stmtsql from @strsql; 
 execute stmtsql; 
 deallocate prepare stmtsql;

 set @strsqlcount=concat('select count(1) as count from ',_where);/*count(1) 這個欄位最好是主鍵*/
 prepare stmtsqlcount from @strsqlcount; 
 execute stmtsqlcount; 
 deallocate prepare stmtsqlcount; 
END$$
DELIMITER ;$$

調用代碼

調用例1  call sp_Page(1,3,'*','test','order by id desc');

調用例2  call sp_Page(1,3,'*','test where sort=1','order by id desc');

調用例3  call sp_Page(1,3,'id,title','test where sort=1','order by id desc');