MSSQL的分页查询存储过程

set ANSI_NULLS ON  
set QUOTED_IDENTIFIER ON  
go  
  
--分页存储过程    
CREATE PROCEDURE [dbo].[sp_Paging]   
(   
@Tables nvarchar(1000),                --表名/视图名  
@PrimaryKey nvarchar(100),             --主键  
@Sort nvarchar(200) = NULL,            --排序字段(不带order by)  
@pageindex int = 1,                    --当前页码  
@PageSize int = 10,                    --每页记录数  
@Fields nvarchar(1000) = N'*',         --输出字段  
@Filter nvarchar(1000) = NULL,         --where过滤条件(不带where)  
@Group nvarchar(1000) = NULL          --Group语句(不带Group By)  
)   
AS     
DECLARE @SortTable nvarchar(100)   
DECLARE @SortName nvarchar(100)   
DECLARE @strSortColumn nvarchar(200)   
DECLARE @operator char(2)   
DECLARE @type nvarchar(100)   
DECLARE @prec int   
  
--设定排序语句  
IF @Sort IS NULL OR @Sort = ''       
   SET @Sort = @PrimaryKey        
IF CHARINDEX('DESC',@Sort)>0     
BEGIN           
    SET @strSortColumn = REPLACE(@Sort, 'DESC', '')           
    SET @operator = '<='       
END   
ELSE       
BEGIN                  
    SET @strSortColumn = REPLACE(@Sort, 'ASC', '')                  
    SET @operator = '>='       
END   
IF CHARINDEX('.', @strSortColumn) > 0       
BEGIN           
    SET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX('.',@strSortColumn))  
    SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX('.',@strSortColumn) + 1, LEN(@strSortColumn))       
END   
ELSE       
BEGIN           
    SET @SortTable = @Tables           
    SET @SortName = @strSortColumn    
END   
  
--设置排序字段类型和精度   
SELECT @type=t.name, @prec=c.prec FROM sysobjects o   
       JOIN syscolumns c on o.id=c.id   
       JOIN systypes t on c.xusertype=t.xusertype WHERE o.name = @SortTable AND c.name = @SortName  
          
IF CHARINDEX('char', @type) > 0      
   SET @type = @type + '(' + CAST(@prec AS varchar) + ')'  
     
DECLARE @strPageSize nvarchar(50)   
DECLARE @strStartRow nvarchar(50)   
DECLARE @strFilter nvarchar(1000)   
DECLARE @strSimpleFilter nvarchar(1000)   
DECLARE @strGroup nvarchar(1000)    
   
IF @pageindex <1       
   SET @pageindex = 1    
SET @strPageSize = CAST(@PageSize AS nvarchar(50))   
--设置开始分页记录数   
SET @strStartRow = CAST(((@pageindex - 1)*@PageSize + 1) AS nvarchar(50))    
--筛选以及分组语句  
IF @Filter IS NOT NULL AND @Filter != ''       
BEGIN           
    SET @strFilter = ' WHERE ' + @Filter + ' '   
    SET @strSimpleFilter = ' AND ' + @Filter + ' '   
END   
ELSE       
BEGIN           
    SET @strSimpleFilter = ''           
    SET @strFilter = ''     
    SET @strGroup='';    
END   
IF @Group IS NOT NULL AND @Group != ''    
   SET @strGroup = ' GROUP BY '+@Group;   
/*  
--计算总记录数  
DECLARE @TotalCountSql nvarchar(1000)  
SET @TotalCountSql=N'SELECT @TotalCount=COUNT(*)' +N' FROM ' + @Tables + @strFilter  
EXEC sp_executesql @TotalCountSql,N'@TotalCount int OUTPUT',@TotalCount OUTPUT  
*/  
--执行查询语句      
declare @sql varchar(2000);  
declare @sql2 varchar(1000);  
declare @sql3 varchar(1000);  
declare @sql4 varchar(1000);  
declare @sql5 varchar(1000);  
set @sql = 'DECLARE @SortColumn ' + @type+';';  
set @sql2 = 'SET ROWCOUNT ' + @strStartRow+';';  
/*  
print '@strSortColumn='+@strSortColumn;  
print '@Tables:'+@Tables;  
print '@strFilter:'+@strFilter;  
print '@strGroup:';  
print '@Sort:'+@Sort;  
*/  
set @sql3='SELECT @SortColumn=' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ORDER BY ' + @Sort+';';  
set @sql4='SET ROWCOUNT ' + @strPageSize+';';  
set @sql5='SELECT ' + @Fields + ' FROM ' + @Tables + ' WHERE ' + @strSortColumn + @operator + ' @SortColumn ' + @strSimpleFilter + ' ORDER BY ' + @Sort + ''+';';  
  
/*  
print 'sql:'+@sql;  
print 'sql2:'+@sql2;  
print 'sql3:'+@sql3;  
print 'sql4:'+@sql4;  
print 'sql5:'+@sql5;  
*/  
set @sql  = @sql+@sql2+@sql3+@sql4+@sql5;  
print @sql;  
EXEC(@sql)