方法二 复制代码 代码如下: string [] flag = adminuser.Flag.Split("/"); List<string> list = new List<string>(flag); if (list.Contains("9")) Response.Write("当前操作用户"+adminuser.UserName.ToString()); else Response.Write("<script>alert("您无权限进行此项操作");location.href="admin_main.aspx"</script>");