mysql 分页存储过程转自于wenlujun 的BLOG(备注如果出现编码格式错误一定要加charset设置编码格式)

CREATE PROCEDURE `P_viewPage`(  
       $TableName VARCHAR(200),  
       $FieldList VARCHAR(2000),  
       $PrimaryKey VARCHAR(100),  
       $Where VARCHAR(1000) charset
'gbk',  
       $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 ;