SQL 存储过程传入多个ID

Declare @UserIDList VarChar(20), 
        @SQL NVarChar(200)

Set @UserIDList='1,2,3'
Set @SQL='Select * from Member Where UserID IN('+@UserIDList+')'
--使用拼写的SQL语句，然后使用Sp_ExecuteSQL
Exec Sp_ExecuteSQL @SQL