/*--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 */DROP PROCEDURE IF EXISTS Query_Pagination; CREATE PROCEDURE Query_Pagination(    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),/*增加统计字段2013-5-8 peaceli*/    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 <= _pageSize) then

                    set _pagecount = 1;                    else if (_totalcount % _pageSize > 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

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