首先看下面的代码创建存储过程
1、创建存储过程,语句如下:
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CREATE PROC P_viewPage @TableName VARCHAR (200), --表名 @FieldList VARCHAR (2000), --显示列名,如果是全部字段则为* @PrimaryKey VARCHAR (100), --单一主键或唯一值键 @ Where VARCHAR (2000), --查询条件 不含'where'字符,如id>10 and len(userid)>9 @ Order VARCHAR (1000), --排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc --注意当@SortType=3时生效,记住一定要在最后加上主键,否则会让你比较郁闷 @SortType INT , --排序规则 1:正序asc 2:倒序desc 3:多列排序方法 @RecorderCount INT , --记录总数 0:会返回总记录 @PageSize INT , --每页输出的记录数 @PageIndex INT , --当前页数 @TotalCount INT OUTPUT , --记返回总记录 @TotalPageCount INT OUTPUT --返回总页数 AS SET NOCOUNT ON IF ISNULL (@TotalCount, '' ) = '' SET @TotalCount = 0 SET @ Order = RTRIM(LTRIM(@ Order )) SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey)) SET @FieldList = REPLACE (RTRIM(LTRIM(@FieldList)), ' ' , '' ) WHILE CHARINDEX( ', ' ,@ Order ) > 0 OR CHARINDEX( ' ,' ,@ Order ) > 0 BEGIN SET @ Order = REPLACE (@ Order , ', ' , ',' ) SET @ Order = REPLACE (@ Order , ' ,' , ',' ) END IF ISNULL (@TableName, '' ) = '' OR ISNULL (@FieldList, '' ) = '' OR ISNULL (@PrimaryKey, '' ) = '' OR @SortType < 1 OR @SortType >3 OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0 BEGIN PRINT( 'ERR_00' ) RETURN END IF @SortType = 3 BEGIN IF ( UPPER ( RIGHT (@ Order ,4))!= ' ASC' AND UPPER ( RIGHT (@ Order ,5))!= ' DESC' ) BEGIN PRINT( 'ERR_02' ) RETURN END END DECLARE @new_where1 VARCHAR (1000) DECLARE @new_where2 VARCHAR (1000) DECLARE @new_order1 VARCHAR (1000) DECLARE @new_order2 VARCHAR (1000) DECLARE @new_order3 VARCHAR (1000) DECLARE @Sql VARCHAR (8000) DECLARE @SqlCount NVARCHAR(4000) IF ISNULL (@ where , '' ) = '' BEGIN SET @new_where1 = ' ' SET @new_where2 = ' WHERE ' END ELSE BEGIN SET @new_where1 = ' WHERE ' + @ where SET @new_where2 = ' WHERE ' + @ where + ' AND ' END IF ISNULL (@ order , '' ) = '' OR @SortType = 1 OR @SortType = 2 BEGIN IF @SortType = 1 BEGIN SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC' SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC' END IF @SortType = 2 BEGIN SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC' SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC' END END ELSE BEGIN SET @new_order1 = ' ORDER BY ' + @ Order END IF @SortType = 3 AND CHARINDEX( ',' +@PrimaryKey+ ' ' , ',' +@ Order )>0 BEGIN SET @new_order1 = ' ORDER BY ' + @ Order SET @new_order2 = @ Order + ',' SET @new_order2 = REPLACE ( REPLACE (@new_order2, 'ASC,' , '{ASC},' ), 'DESC,' , '{DESC},' ) SET @new_order2 = REPLACE ( REPLACE (@new_order2, '{ASC},' , 'DESC,' ), '{DESC},' , 'ASC,' ) SET @new_order2 = ' ORDER BY ' + SUBSTRING (@new_order2,1,LEN(@new_order2)-1) IF @FieldList <> '*' BEGIN SET @new_order3 = REPLACE ( REPLACE (@ Order + ',' , 'ASC,' , ',' ), 'DESC,' , ',' ) SET @FieldList = ',' + @FieldList WHILE CHARINDEX( ',' ,@new_order3)>0 BEGIN IF CHARINDEX( SUBSTRING ( ',' +@new_order3,1,CHARINDEX( ',' ,@new_order3)), ',' +@FieldList+ ',' )>0 BEGIN SET @FieldList = @FieldList + ',' + SUBSTRING (@new_order3,1,CHARINDEX( ',' ,@new_order3)) END SET @new_order3 = SUBSTRING (@new_order3,CHARINDEX( ',' ,@new_order3)+1,LEN(@new_order3)) END SET @FieldList = SUBSTRING (@FieldList,2,LEN(@FieldList)) END END SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/' + CAST (@PageSize AS VARCHAR )+ ') FROM ' + @TableName + @new_where1 IF @RecorderCount = 0 BEGIN EXEC SP_EXECUTESQL @SqlCount,N '@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT' , @TotalCount OUTPUT ,@TotalPageCount OUTPUT END ELSE BEGIN SELECT @TotalCount = @RecorderCount END IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize) BEGIN SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize) END IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) BEGIN IF @PageIndex = 1 --返回第一页数据 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where1 + @new_order1 END IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' + 'SELECT TOP ' + STR( ABS (@PageSize*@PageIndex-@TotalCount-@PageSize)) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP ' + @new_order1 END END ELSE BEGIN IF @SortType = 1 --仅主键正序排序 BEGIN IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where2 + @PrimaryKey + ' > ' + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP ' + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP) ' + @new_order1 END ELSE --反向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where2 + @PrimaryKey + ' < ' + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP) ' + @new_order2 + ' ) AS TMP ' + @new_order1 END END IF @SortType = 2 --仅主键反序排序 BEGIN IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where2 + @PrimaryKey + ' < ' + '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP ' + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1 + @new_order1 + ') AS TMP) ' + @new_order1 END ELSE --反向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM (' + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where2 + @PrimaryKey + ' > ' + '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP) ' + @new_order2 + ' ) AS TMP ' + @new_order1 END END IF @SortType = 3 --多列排序,必须包含主键,且放置最后,否则不处理 BEGIN IF CHARINDEX( ',' + @PrimaryKey + ' ' , ',' + @ Order ) = 0 BEGIN PRINT( 'ERR_02' ) RETURN END IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( ' + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( ' + ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP ' + @new_order2 + ' ) AS TMP ' + @new_order1 END ELSE --反向检索 BEGIN SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( ' + 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( ' + ' SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex+@PageSize) + ' ' + @FieldList + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP ' + @new_order1 + ' ) AS TMP ' + @new_order1 END END END PRINT(@Sql) EXEC (@Sql) GO |
2、SQL Server 中调用测试代码
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--执行存储过程 declare @TotalCount int , @TotalPageCount int exec P_viewPage 'T_Module' , '*' , 'ModuleID' , '' , '' ,1,0,10,1,@TotalCount output ,@TotalPageCount output Select @TotalCount,@TotalPageCount; |
asp.net 代码实现:
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#region ===========通用分页存储过程=========== public static DataSet RunProcedureDS(string connectionString, string storedProcName, IDataParameter[] parameters, string tableName) { using (SqlConnection connection = new SqlConnection(connectionString)) { DataSet dataSet = new DataSet(); connection . Open (); SqlDataAdapter sqlDA = new SqlDataAdapter(); sqlDA.SelectCommand = BuildQueryCommand( connection , storedProcName, parameters); sqlDA.Fill(dataSet, tableName); connection . Close (); return dataSet; } } /// <summary> /// 通用分页存储过程 /// </summary> /// <param name = "connectionString" ></param> /// <param name = "tblName" ></param> /// <param name = "strGetFields" ></param> /// <param name = "primaryKey" ></param> /// <param name = "strWhere" ></param> /// <param name = "strOrder" ></param> /// <param name = "sortType" ></param> /// <param name = "recordCount" ></param> /// <param name = "PageSize" ></param> /// <param name = "PageIndex" ></param> /// <param name = "totalCount" ></param> /// <param name = "totalPageCount" ></param> /// < returns ></ returns > public static DataSet PageList(string connectionString, string tblName, string strGetFields, string primaryKey, string strWhere, string strOrder, int sortType, int recordCount, int PageSize, int PageIndex,ref int totalCount,ref int totalPageCount) { SqlParameter[] parameters ={ new SqlParameter( "@TableName " ,SqlDbType. VarChar ,200), new SqlParameter( "@FieldList" ,SqlDbType. VarChar ,2000), new SqlParameter( "@PrimaryKey" ,SqlDbType. VarChar ,100), new SqlParameter( "@Where" ,SqlDbType. VarChar ,2000), new SqlParameter( "@Order" ,SqlDbType. VarChar ,1000), new SqlParameter( "@SortType" ,SqlDbType. Int ), new SqlParameter( "@RecorderCount" ,SqlDbType. Int ), new SqlParameter( "@PageSize" ,SqlDbType. Int ), new SqlParameter( "@PageIndex" ,SqlDbType. Int ), new SqlParameter( "@TotalCount" ,SqlDbType. Int ), new SqlParameter( "@TotalPageCount" ,SqlDbType. Int )}; parameters[0].Value = tblName; parameters[1].Value = strGetFields; parameters[2].Value = primaryKey; parameters[3].Value = strWhere; parameters[4].Value = strOrder; parameters[5].Value = sortType; parameters[6].Value = recordCount; parameters[7].Value = PageSize; parameters[8].Value = PageIndex; parameters[9].Value = totalCount; parameters[9].Direction = ParameterDirection. Output ; parameters[10].Value = totalPageCount; parameters[10].Direction = ParameterDirection. Output ; DataSet ds = RunProcedureDS(connectionString, "P_viewPage" , parameters, "PageListTable" ); totalCount = int .Parse(parameters[9].Value.ToString()); totalPageCount = int .Parse(parameters[10].Value.ToString()); return ds; } #endregion DataSet ds = SqlHelper.PageList(SqlHelper.LocalSqlServer, "T_User" , "*" , "UserID" , "" , "" , 1, 0, pageSize, 1, ref totalCount, ref totalPageCount); this.RptData.DataSource = ds; this.RptData.DataBind(); |
以上内容就是本文介绍asp.net中如何调用sql存储过程实现分页的全部内容,希望对大家今后的学习有所帮助,当然方法不止本文所述,欢迎与大家分享好的方案。