代码如下 Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim cook As HttpCookie = New HttpCookie("UserInfo")
cook.Expires = Now.AddDays(2)
cook.Value = "XXX" HttpContext.Current.Response.Cookies.Add(cook)
'Me.Response.AppendCookie(cook) End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cookRead As HttpCookie = HttpContext.Current.Response.Cookies("UserInfo")
TextBox1.Text = cookRead.Values.Count End Sub
HttpContext.Current.Response.Cookies("UserInfo") 读取出来的value为空,请教为何?cookie
Dim cook As HttpCookie = New HttpCookie("UserInfo")
cook.Expires = Now.AddDays(2)
cook.Value = "XXX" HttpContext.Current.Response.Cookies.Add(cook)
'Me.Response.AppendCookie(cook) End Sub Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cookRead As HttpCookie = HttpContext.Current.Response.Cookies("UserInfo")
TextBox1.Text = cookRead.Values.Count End Sub
HttpContext.Current.Response.Cookies("UserInfo") 读取出来的value为空,请教为何?cookie
是不是要这么写
HttpContext.Current.Request.Cookies("UserInfo")
正确。很容易理解,Cookie是放在客户端的,所以应该是Request(客户端来的“请求”),而不是Response(服务器发过去的“响应”)。