存储过程
DELIMITER $$
USE `sxdb`$$
DROP PROCEDURE IF EXISTS `Query_Pagination_ViewPage`$$
CREATE DEFINER=`root`@`localhost` PROCEDURE `Query_Pagination_ViewPage`(
$TableName VARCHAR(200),
$FieldList VARCHAR(2000),
$PrimaryKey VARCHAR(100),
$WHERE VARCHAR(1000),
$ORDER VARCHAR(1000),
$SortType INT,
$RecorderCount INT,
$PageSize INT,
$PageIndex INT,
OUT $TotalCount INTEGER,
OUT $TotalPageCount INTEGER
)
BEGIN
IF !(($TableName IS NULL OR $TableName='') OR ($FieldList IS NULL OR $FieldList='') OR ($PrimaryKey IS NULL OR $PrimaryKey='') OR $SortType < 1 OR $SortType >3 OR $RecorderCount < 0 OR $PageSize < 0 OR $PageIndex < 0) THEN
IF ($WHERE IS NULL OR $WHERE='') THEN
SET @new_where1 = ' ' ;
SET @new_where2 = ' WHERE ' ;
ELSE
SET @new_where1 =CONCAT(' WHERE ',$WHERE);
SET @new_where2 =CONCAT(' WHERE ',$WHERE,' AND ');
END IF;
IF $ORDER='' OR $SortType = 1 OR $SortType = 2 THEN
IF $SortType = 1 THEN
SET @new_order =CONCAT(' ORDER BY ',$PrimaryKey,' ASC' );
END IF;
IF $SortType = 2 THEN
SET @new_order =CONCAT(' ORDER BY ',$PrimaryKey,' DESC');
END IF;
ELSE
SET @new_order =CONCAT(' ORDER BY ',$ORDER);
END IF;
SET @SqlCount = CONCAT('SELECT COUNT(*) into @TotalCount FROM ',$TableName,@new_where1);
SET @SqlCount1 = CONCAT('SELECT CEILING((COUNT(*)+0.0)/',$PageSize,') into @TotalPageCount FROM ',$TableName,@new_where1);
IF $RecorderCount = 0 THEN
PREPARE stmt1 FROM @SqlCount;
EXECUTE stmt1;
SET $TotalCount=@TotalCount;
PREPARE stmt1 FROM @SqlCount1;
EXECUTE stmt1;
SET $TotalPageCount=@TotalPageCount;
ELSE
SET $TotalCount = $RecorderCount;
END IF;
IF $PageIndex > CEILING(($TotalCount+0.0)/$PageSize) THEN
SET $PageIndex = CEILING(($TotalCount+0.0)/$PageSize);
END IF;
IF $PageIndex = 0 OR $PageIndex = 1 THEN
SET @SQL=CONCAT('SELECT ',$FieldList,' FROM ',$TableName,@new_where1,@new_order,' limit ',$PageSize);
ELSE
IF $SortType = 1 THEN
SET @SQL=CONCAT('SELECT ',$FieldList,' FROM ',$TableName,@new_where2,$PrimaryKey,' > (SELECT max(',$PrimaryKey,') FROM (SELECT ',$PrimaryKey,' FROM ',$TableName,@new_where1,@new_order,' limit ',$PageSize*($PageIndex-1),' ) AS TMP) ',@new_order,' limit ',$PageSize);
END IF;
IF $SortType = 2 THEN
SET @SQL=CONCAT('SELECT ',$FieldList,' FROM ',$TableName,@new_where2,$PrimaryKey,' < (SELECT MIN(',$PrimaryKey,') FROM (SELECT ',$PrimaryKey,' FROM ',$TableName,@new_where1,@new_order,' limit ',$PageSize*($PageIndex-1),' ) AS TMP) ',@new_order,' limit ',$PageSize);
END IF;
IF $SortType = 3 THEN
IF INSTR($ORDER,',') > 0 THEN
SET @SQL=CONCAT('SELECT ',$FieldList,' FROM ',$TableName,@new_where2,$PrimaryKey,' NOT IN (SELECT ',$PrimaryKey,' FROM (SELECT ',$PrimaryKey,' FROM ',$TableName,@new_where1,@new_order,' limit ',$PageSize*($PageIndex-1),' ) a)',@new_order,' limit ',$PageSize);
ELSE
SET @new_order =CONCAT(' ORDER BY ',$PrimaryKey,' ASC' );
SET @SQL=CONCAT('SELECT ',$FieldList,' FROM ',$TableName,@new_where2,$PrimaryKey,' > (SELECT max(',$PrimaryKey,') FROM (SELECT ',$PrimaryKey,' FROM ',$TableName,@new_where1,@new_order,' limit ',$PageSize*($PageIndex-1),' ) AS TMP) ',@new_order,' limit ',$PageSize);
END IF;
END IF;
END IF;
PREPARE stmt2 FROM @SQL;
EXECUTE stmt2;
END IF;
END$$
DELIMITER ;
调用
CALL Query_Pagination_ViewPage('t_item','*','id','','id desc',2,0,15,1,@a,@b);
SELECT @a,@b