mysql 分页存储过程

delimiter $$;
drop procedure if exists P_viewPage;
$$;
delimiter $$;
CREATE PROCEDURE P_viewPage(  
       $TableName VARCHAR(200), //表名 
       $FieldList VARCHAR(2000),  //字段集 可以是*
       $PrimaryKey VARCHAR(100),  //主键
       $Where VARCHAR(1000),  //where条件,例如id > 100
       $Order VARCHAR(1000),  //排序条件 例如:id
       $SortType INT,  //排序条件 1表示升序,2表示降序
       $RecorderCount INT,  //总数据行数，如果传0，表示重新查询数据行数，如果不为0，传入的数据就表示总数据行数
       $PageSize INT,  //每页大小
       $PageIndex INT,  //当前页数
OUT    $TotalCount INTEGER,  //返回总行数
OUT    $TotalPageCount INTEGER //返回总页数
)  
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 ;

call P_viewPage (‘users‘, ‘*‘, ‘u_id‘, ‘u_id > 100‘, ‘u_id‘, 1, 0, 20, 1, @totalcount, @totalpagecount);
select @totalcount, @totalpagecount;
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来源于：http://wenlujun.blog.51cto.com/336737/71819/