/*--名称：mysql版查询分页存储过程 by peace 2013-8-14--输入参数：@fields -- 要查询的字段用逗号隔开--输入参数：@tables -- 要查询的表--输入参数：@where -- 查询条件--输入参数：@orderby -- 排序字段--输出参数：@page -- 当前页计数从1开始--输出参数：@pagesize -- 每页大小--输出参数：@totalcount -- 总记录数--输出参数：@pagecount -- 总页数 --输出参数：_sumfields -- 统计字段*/drop procedure if exists proc_page; create procedure proc_page( in _fields varchar(2000), in _tables text, in _where varchar(2000), in _orderby varchar(200), in _pageindex int, in _pagesize int, in _sumfields varchar(200), out _totalcount int , out _pagecount int )begin set @startrow = _pagesize*(_pageindex -1); set @pagesize = _pagesize; set @rowindex = 0; set @strsql = concat('select sql_calc_found_rows @rowindex:=@rowindex+1 as rownumber,',_fields,' from ',_tables,case ifnull(_where,'') when '' then '' else concat(' where ',_where) end,' order by ',_orderby,' limit ',@startrow,',',@pagesize); prepare strsql from @strsql; execute strsql; deallocate prepare strsql; set _totalcount = found_rows(); if (_totalcount 0) then set _pagecount = _totalcount / _pagesize + 1; else set _pagecount = _totalcount / _pagesize; end if; end if;if(ifnull(_sumfields,'') '') then set @sumsql = contact('select ',_sumfields,' from ',_tables,case ifnull(_where,'') when '' then '' else concat(' where ',_where) end); prepare sumsql from @sumsql; execute sumsql; deallocate prepare sumsql; end if; end