CTE中使用参数

把下面这个例子http://www.cnblogs.com/insus/articles/1962609.html，改用传入参数。

参考：

DECLARE @sex INT = 2;--1:femal; 2:male

WITH MaleEmp AS
(
    SELECT * FROM [Employee] WHERE [SexId] = @sex 
)
SELECT * FROM MaleEmp;