Sql Server 存储过程使用技巧

USE [DB]--设定对应的数据库
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- AUTHOR:
-- DESCRIBE:
-- =============================================
CREATE PROCEDURE [dbo].[UP_InsertJHBData]   --存储过程名
    (
      @CustomerName VARCHAR(50)             --参数
    )
AS 
    BEGIN    
        SET NOCOUNT ON                     --提高性能的，必须要有
        DECLARE @Now DATETIME
        SET @Now = GETDATE()               --所有操作保证统一时间
        
        BEGIN TRY 
        --在这里写SQL
        END TRY
        
        BEGIN CATCH    
            DECLARE @ErrorMessage NVARCHAR(4000) ;
            DECLARE @ErrorSeverity INT ;
            DECLARE @ErrorState INT ;
                   
            SELECT  @ErrorMessage = ERROR_MESSAGE() ,
                    @ErrorSeverity = ERROR_SEVERITY() ,
                    @ErrorState = ERROR_STATE() ;
            PRINT @ErrorMessage 
            RAISERROR(@ErrorMessage,  -- Message text.
                        @ErrorSeverity, -- Severity.
                        @ErrorState     -- State.
                        ) ;
            RETURN -1 ;
        END CATCH
    END

USE [DB]
GO

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- AUTHOR:
-- DESCRIBE:
-- =============================================
CREATE PROCEDURE [dbo].[UP_InsertJHBData]--存储过程名
--参数
    (
      @CustomerName VARCHAR(50)
    )
--参数
AS 
    BEGIN   
        SET NOCOUNT ON ;--提高性能的，必须要有
        DECLARE @Now DATETIME ;
        SET @Now = GETDATE() ;--所有操作保证统一时间
       
        BEGIN TRY 
           BEGIN TRANSACTION myTrans ;--开始事务
           --在这里写SQL
           COMMIT TRANSACTION myTrans ;--事务提交语句
        END TRY
        
        BEGIN CATCH
            ROLLBACK TRANSACTION myTrans-- 始终回滚事务
            --抛出异常
            DECLARE @ErrorMessage NVARCHAR(4000) ;
            DECLARE @ErrorSeverity INT ;
            DECLARE @ErrorState INT ;
            SELECT  @ErrorMessage = ERROR_MESSAGE() ,
                    @ErrorSeverity = ERROR_SEVERITY() ,
                    @ErrorState = ERROR_STATE() ;
            RAISERROR(@ErrorMessage,  -- Message text.
                 @ErrorSeverity, -- Severity.
                 @ErrorState     -- State.
                 ) ;
        END CATCH
    END

　　 --生成带行号的临时表数据，并插入临时表#T_Table中
    SELECT ROW_NUMBER() OVER (ORDER BY ID) AS RowNum,
           NAME 
    INTO #T_Table
    FROM TableName
    
    --获取记录总数
    DECLARE @RecordCount INT = 0    
    SELECT @RecordCount = COUNT(1) FROM #T_Table
                
    DECLARE @CurrRowNum INT = 1        --当前行号
    DECLARE @CurrName VARCHAR(50)    --当前字段
    
    --循环记录            
    WHILE @CurrRowNum <= @RecordCount 
        BEGIN
            --获取当前记录
            SELECT @CurrName = Name FROM #T_Table WHERE RowNum = @CurrRowNum
            
            --自定义sql
            
            SET @CurrRowNum = @CurrRowNum + 1 --到下一条记录
        END