Sql Server 存储过程调用存储过程接收输出参数,返回值

ALTER PROCEDURE [dbo].[GetCustomers]
(@rowcount INT OUTPUT)
AS
SELECT [CustomerID]
,[CompanyName]
,[ContactName]
,[ContactTitle]
,[Address]
,[City]
,[Region]
,[PostalCode]
,[Country]
,[Phone]
,[Fax]
FROM [Northwind].[dbo].[Customers]
SET @rowcount=@@rowcount

DECLARE @count INT
EXECUTE GetCustomers  @count OUTPUT
PRINT @count

ALTER PROCEDURE [dbo].[GetCustomers]
AS
SELECT [CustomerID]
,[CompanyName]
,[ContactName]
,[ContactTitle]
,[Address]
,[City]
,[Region]
,[PostalCode]
,[Country]
,[Phone]
,[Fax]
FROM [Northwind].[dbo].[Customers]
RETURN @@rowcount

DECLARE @count INT
EXECUTE @count=GetCustomers
PRINT @count