SQL Server 2005高效分页存储过程 ,这是在网上找到的经修改调试使用暂时没发现错误,发布在此供需要的人参考。开始那位大侠写出来可能是没有测试传条件的错误,现已经修改并加入了部分代码修正此错误。 由于有人提到如何使用此代码,我是用C#语言,把把引用
SQL Server 2005高效分页存储过程 ,这是在网上找到的经修改调试使用暂时没发现错误,发布在此供需要的人参考。开始那位大侠写出来可能是没有测试传条件的错误,现已经修改并加入了部分代码修正此错误。由于有人提到如何使用此代码,我是用C#语言,把把引用代码贴出来共参考吧。 SQLite SQLServer JDBC DriverIF exists (SELECT * FROM dbo.sysobjects WHERE id = object_id(N'[dbo].[proc_DataPagingList]') and OBJECTPROPERTY(id, N'IsProcedure') = 1) drop procedure [dbo].[proc_DataPagingList] GO CREATE PROCEDURE [dbo].[proc_DataPagingList] ( @tableName NVARCHAR(200), ----要显示的表或多个表的连接 @fieldNames NVARCHAR(200)='*', ----要显示的字段列表 @pageSize INT = 10, ----每页显示的记录个数 @page INT = 10, ----要显示那一页的记录 @pageCount INT = 1 output, ----查询结果分页后的总页数 @counts INT = 1 output, ----查询到的总记录数 @fieldSort NVARCHAR(200)= null,----排序字段列表或条件 @sort BIT = 1, ----排序方法,0为升序,1为降序--程序传参如:' SortA Asc,SortB Desc,SortC ') @condition NVARCHAR(200)= null,----查询条件,不需WHERE @keyID NVARCHAR(100), ----主表的主键 @distinct BIT = 0 ----是否添加查询字段的 DISTINCT 默认0不添加/1添加 ) AS SET NOCOUNT ON Declare @SELECT NVARCHAR(1000) ----存放动态生成的SQL语句 Declare @strCounts NVARCHAR(1000) ----存放取得查询结果总数的查询语句 Declare @strID NVARCHAR(1000) ----存放取得查询开头或结尾ID的查询语句 Declare @sortTypeA NVARCHAR(10) ----数据排序规则A Declare @SortTypeB NVARCHAR(10) ----数据排序规则B Declare @distSelect NVARCHAR(50) ----对含有DISTINCT的查询进行SQL构造 Declare @distCounts NVARCHAR(50) ----对含有DISTINCT的总数查询进行SQL构造 DECLARE @SortfieldA NVARCHAR(50) ----对含有是否还有排序字段时的排序方式组合A DECLARE @SortfieldB NVARCHAR(50) ----对含有是否还有排序字段时的排序方式组合B IF @distinct = 0 BEGIN SET @distSelect = 'SELECT ' SET @distCounts = ' COUNT(*)' END ELSE BEGIN SET @distSelect = 'SELECT distinct ' SET @distCounts = ' COUNT(DISTINCT '+@keyID+')' END IF @sort=0 BEGIN SET @SortTypeB=' ASC ' SET @sortTypeA=' DESC ' END ELSE BEGIN SET @SortTypeB=' DESC ' SET @sortTypeA=' ASC ' END IF @fieldSort IS NOT NULL AND @fieldSort<>'' --排序字段不为空时 BEGIN SET @SortfieldB=' order by '+ @fieldSort +' '+ @SortTypeB SET @SortfieldA=' order by '+ @fieldSort +' '+ @SortTypeA END ELSE BEGIN SET @SortfieldB='' SET @SortfieldA='' END --------生成查询语句-------- --此处@strCounts为取得查询结果数量的语句 IF @condition is null or @condition='' --没有设置显示条件 BEGIN SET @SELECT = @fieldNames + ' FROM ' + @tableName SET @strCounts = @distSelect+' @counts='+@distCounts+' FROM '+@tableName SET @strID = ' FROM ' + @tableName END ELSE BEGIN SET @SELECT = + @fieldNames + 'FROM ' + @tableName + ' WHERE ' + @condition SET @strCounts = @distSelect+' @counts='+@distCounts+' FROM '+@tableName + ' WHERE ' + @condition SET @strID = ' FROM ' + @tableName + ' WHERE ' + @condition END ----取得查询结果总数量----- exec sp_executesql @strCounts,N'@counts INT out ',@counts out DECLARE @tmpCounts INT IF @counts = 0 SET @tmpCounts = 1 ELSE SET @tmpCounts = @counts --取得分页总数 SET @pageCount=(@tmpCounts+@pageSize-1)/@pageSize --/**当前页大于总页数 取最后一页**/ IF @page>@pageCount SET @page=@pageCount --/*-----数据分页2分处理-------*/ DECLARE @pageIndex INT --总数/页大小 DECLARE @lastcount INT --总数%页大小 SET @pageIndex = @tmpCounts/@pageSize SET @lastcount = @tmpCounts%@pageSize IF @lastcount > 0 SET @pageIndex = @pageIndex + 1 ELSE SET @lastcount = @pageSize --显示分页 IF @condition is null or @condition='' --没有设置显示条件 BEGIN IF @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 BEGIN SET @strCounts=@distSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @keyID +' FROM '+@tableName + @SortfieldB +')' + @SortfieldB END ELSE BEGIN SET @page = @pageIndex-@page+1 --后半部分数据处理 IF @page <= 1 --最后一页数据显示 SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@lastcount as VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + @SortfieldA+') AS TempTB '+@SortfieldB ELSE SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @keyID +' FROM '+@tableName + @SortfieldA+')' + @SortfieldA+') AS TempTB '+@SortfieldB END END ELSE --有查询条件 BEGIN IF @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 BEGIN SET @strCounts=@distSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @fieldNames +' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @keyID +' FROM '+@tableName + ' Where ' + @condition + @SortfieldB+')'+' AND ' + @condition + @SortfieldB END ELSE BEGIN SET @page = @pageIndex-@page+1 --后半部分数据处理 IF @page <= 1 --最后一页数据显示 SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@lastcount as VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+ @condition +@SortfieldA+') AS TempTB '+@SortfieldB ELSE SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' ' + @keyID +' FROM '+@tableName +' WHERE '+ @condition +@SortfieldA+')' +' AND '+ @condition +@SortfieldA+') AS TempTB ' + @SortfieldB END END ------返回查询结果----- exec sp_executesql @strCounts SET NOCOUNT OFF
//调用以下必须先创建一个DataPageList 对象,用引用型传递这个对象来访问以下GetDataPageList函数,并返回DataPageList 对象。这个返回的对象中包括很多属性,直接引用需要的属性即可,见属性类介绍。 private static readonly string mConnectionString = ConfigurationManager.ConnectionStrings["FleaMarketConnString"].ConnectionString; /// <summary> /// /// </summary> /// <param name="dpl"></param> /// <returns></returns> public DataPageList GetDataPageList(ref DataPageList dpl) { SqlConnection conn = new SqlConnection(mConnectionString); SqlDataAdapter da = new SqlDataAdapter(); da.SelectCommand = new SqlCommand(); da.SelectCommand.Connection = conn; da.SelectCommand.CommandText = "proc_DataPagingList"; da.SelectCommand.CommandType = CommandType.StoredProcedure; da.SelectCommand.Parameters.Add("@tableName", SqlDbType.NVarChar, 200).Value = dpl.TableName; da.SelectCommand.Parameters.Add("@fieldNames", SqlDbType.NVarChar, 200).Value = dpl.FieldNames; da.SelectCommand.Parameters.Add("@pageSize", SqlDbType.Int).Value = dpl.PageSize; da.SelectCommand.Parameters.Add("@page", SqlDbType.Int).Value = dpl.Page; da.SelectCommand.Parameters.Add("@pageCount", SqlDbType.Int).Direction = ParameterDirection.Output; da.SelectCommand.Parameters.Add("@counts", SqlDbType.Int).Direction = ParameterDirection.Output; da.SelectCommand.Parameters.Add("@fieldSort", SqlDbType.NVarChar, 100).Value = dpl.FieldSort; da.SelectCommand.Parameters.Add("@sort", SqlDbType.Bit).Value = dpl.Sort; da.SelectCommand.Parameters.Add("@condition", SqlDbType.NVarChar, 200).Value = dpl.Condition; da.SelectCommand.Parameters.Add("@keyID", SqlDbType.NVarChar, 100).Value = dpl.KeyID; da.SelectCommand.Parameters.Add("@Distinct", SqlDbType.Bit).Value = dpl.Distinct; DataSet ds = new DataSet(); da.Fill(ds); //PageListReturnValue plr = new PageListReturnValue(); dpl.GetDataSet = ds; dpl.Counts = int.Parse(da.SelectCommand.Parameters["@counts"].Value.ToString()); dpl.PageCount = int.Parse(da.SelectCommand.Parameters["@pageCount"].Value.ToString()); //object[] obj = new object[3]; //obj[0] = ds; //obj[1] = da.SelectCommand.Parameters["@counts"].Value; //obj[2] = da.SelectCommand.Parameters["@pageCount"].Value; return dpl; } //以下是关于数据参数属性类。 /// <summary> /// 高效分页输出输入参数属性 /// </summary> public class DataPageList { private int _page=1;//第多少页 private int _pageSize = 10;//请求页面大小 private string _jsonRowsName = "rows"; private string _tableName = ""; private string _fieldNames = "*";//默认为所有数据 private string _fieldSort = ""; private byte _sort = 1; private string _condition = ""; private string _keyID = ""; private byte _distinct = 0; private int _counts = 10;//总页数 private int _pageCount = 10;//总的多少页面 private DataSet _dataset = null; /// <summary> /// 总记录数 /// </summary> public int Counts { get { return _counts; } set { _counts = value; } } /// <summary> /// 总分页数 /// </summary> public int PageCount { get { return _pageCount; } set { _pageCount = value; } } /// <summary> /// 数据集 /// </summary> public DataSet GetDataSet { get { return _dataset; } set { _dataset = value; } } /// <summary> /// 第几页 /// </summary> public int Page { get { return _page; } set { _page = value; } } /// <summary> /// 每页显示的记录数 /// </summary> public int PageSize { get { return _pageSize; } set { _pageSize = value; } } /// <summary> /// Flexigrid Json行名,固定为rows /// </summary> public string JsonRowsName { get { return _jsonRowsName; } //set { _jsonRowsName = value; } } /// <summary> /// 表名或视图名称 /// </summary> public string TableName { get { return _tableName; } set { _tableName = value; } } /// <summary> /// 字段名,默认为* /// </summary> public string FieldNames { get { return _fieldNames; } set { _fieldNames = value; } } /// <summary> /// 排序字段 /// </summary> public string FieldSort { get { return _fieldSort; } set { _fieldSort = value; } } /// <summary> /// 排序方式,默认为1,表示降序;0表示升序 /// </summary> public byte Sort { get { return _sort; } set { _sort = value; } } /// <summary> /// 查询条件,不加where /// </summary> public string Condition { get { return _condition; } set { _condition = value; } } /// <summary> /// 表主键 /// </summary> public string KeyID { get { return _keyID; } set { _keyID = value; } } /// <summary> /// 是否消除记录重复,同时包括计数,默认0表示不添加 /// </summary> public byte Distinct { get { return _distinct; } set { _distinct = value; } } }