ASP Cookies na cikakken amfani

response object reference manual

Cookies na cikakken amfani ne don kaiwa kukiyarin ko samu kukiyarin. Banzai ko a cewa kukiyarin ba a ciki ba, a kafa shi kuma a baiwa shi wuri na zartarwa.

Shaidar:Amfani Response.Cookies amfani da aikata wani <html> aikata.

Syntax:

Response.Cookies(name)[(key)|.attribute]=value
variablename=Request.Cookies(name)[(key)|.attribute]
Parameters Kwamantso
name Dangantakarwa. Sunan kukiyarin.
value Dangantakarwa (daga amfani Response.Cookies). Wuri na kukiyarin.
attribute

Dangantakarwa. Ta'adda aiki na kukiyarin. Za a iya amfani da wannan muhimmin kananan tunanin kananan tunanin:

  • Domain - ne na yin tura; kukiyarin zai zama a rami da zai haɗu zuwa wannan gundumma. Banzai ko a cewa an sani, kukiyarin zai samu gundumma.
  • Expires - ne na yin tura; wuri na kama kammala kukiyarin. Banzai ko a cewa an sani, kukiyarin zai kama kammala a lokacin da session ya kammala.
  • HasKeys - ne na yin karɗa; ya nuna ko kukiyarin yana da key (wannan shi ne na farko a cikin dukkanin matsayi na amfani da amfani Response.Cookies).
  • Path - ne na yin tura; wanda an sani, kukiyarin zai zama a rami da zai haɗu zuwa wannan path. Banzai ko a cewa an sani, kukiyarin zai samu path na aiki.
  • Secure - ne na yin tura; ya nuna ko kukiyarin ya kama tsari.
key Dangantakarwa. Ta'adda wani key ne a kaiwa kuma.

Tsarin koyarwa

"Response.Cookies" amfani ne don kafa kukiyarin ko taimakar da kaiwa kukiyarin kuma:

<%
Response.Cookies("firstname")="Alex"
%>

A cewa a cikin koda na koyar da aikata, a kafa kukiyarin da suna 'firstname' kuma a baiwa shi alex.

Iya za a kawoattsar kukiyarin da aya, wanda ke haife da lokaci na kama kammala kukiyarin:

<%
Response.Cookies("firstname")="Alex" 
Response.Cookies("firstname").Expires=#May 10,2002#
%>

现在,名为 "firstname" 的 cookie 的值是 "Alex",同时它在用户电脑中的失效日期是 2002 年 5 月 10 日。

"Request.Cookies" 命令用于取回 cookie 的值。

在下面的例子中,我们取回了 cookie "firstname" 的值,并把它显示到页面上:

<%
fname=Request.Cookies("firstname")
response.write("Firstname=" & fname)
%>

Output:

Firstname=Alex

一个 cookie 可以包含一个多值的集合。我们称之为 cookie 拥有 key 。

在下面的例子中,我们要创建一个名为 "user" 的 cookie 集合。"user" cookie 拥有包含有关用户信息的 key 。

<%
Response.Cookies("user")("firstname")="John"
Response.Cookies("user")("lastname")="Adams"
Response.Cookies("user")("country")="UK"
Response.Cookies("user")("age")="25"
%>

下面的代码可读出所有服务器已向用户发送的 cookie 。请注意,我们使用了 HasKeys 属性来判断 cookie 是否拥有 key :

<html>
<body>
<%
dim x,y
for each x in Request.Cookies
  response.write("<p>")
  if Request.Cookies(x).HasKeys then
    for each y in Request.Cookies(x)
      response.write(x & ":" & y & "=" & Request.Cookies(x)(y))
      response.write("<br /")
    next
  else
    Response.Write(x & "=" & Request.Cookies(x) & "<br />")
  end if
  response.write "</p>"
next
%>
</body>
</html>
%>

Output:

firstname=Alex
user:firstname=John
user:lastname=Adams
user:
country=UK
user:
age=25

response object reference manual