获取最后插入的id另外方法

CREATE TABLE tb_test(custid INT IDENTITY(1,1) NOT NULL ,
name nvarchar(200) NOT NULL)

DECLARE @cid TABLE(cid INT)

DECLARE @c2 INT

INSERT INTO tb_test(name)
OUTPUT INSERTED.custid INTO @cid
VALUES('a')

SELECT * FROM @cid c

DROP TABLE tb_test