JQuery 能够在浏览器中读写 cookie 吗？

简单的例子: 我想在一个页面上有一些项目(比如 div 或表行) ，我想让用户点击它们来选择它们。这在 jQuery 中似乎很容易。为了保存用户在没有服务器端回发的情况下单击的项目，我认为使用 cookie 是完成这项工作的一种简单方法。

  1. 在这种情况下，是否假设 cookie 是可以的，对吗？
  2. 如果是正确的，jQueryAPI 是否有比默认 JavaScriptAPI 更好的方法来读写 cookie 信息？
121291 次浏览
小开

Take a look at the Cookie Plugin for jQuery.

小开

To answer your question, yes. The other have answered that part, but it also seems like you're asking if that's the best way to do it.

It would probably depend on what you are doing. Typically you would have a user click what items they want to buy (ordering for example). Then they would hit a buy or checkout button. Then the form would send off to a page and process the result. You could do all of that with a cookie but I would find it to be more difficult.

You may want to consider posting your second question in another topic.

小开

You'll need the cookie plugin, which provides several additional signatures to the cookie function.

$.cookie('cookie_name', 'cookie_value') stores a transient cookie (only exists within this session's scope, while $.cookie('cookie_name', 'cookie_value', 'cookie_expiration") creates a cookie that will last across sessions - see http://www.stilbuero.de/2006/09/17/cookie-plugin-for-jquery/ for more information on the JQuery cookie plugin.

If you want to set cookies that are used for the entire site, you'll need to use JavaScript like this:

document.cookie = "name=value; expires=date; domain=domain; path=path; secure"
小开

A new jQuery plugin for cookie retrieval and manipulation with binding for forms, etc: http://plugins.jquery.com/project/cookies

小开

The default JavaScript "API" for setting a cookie is as easy as:

document.cookie = 'mycookie=valueOfCookie;expires=DateHere;path=/'

Use the jQuery cookie plugin like:

$.cookie('mycookie', 'valueOfCookie')
小开

It seems the jQuery cookie plugin is not available for download. However, you can download the same jQuery cookie plugin with some improvements described in jQuery & Cookies (get/set/delete & a plugin).

小开

You can browse all the jQuery plugins tagged with "cookie" here:

http://plugins.jquery.com/plugin-tags/cookies

Plenty of options there.

Check out the one called jQuery Storage, which takes advantage of HTML5's localStorage. If localStorage isn't available, it defaults to cookies. However, it doesn't allow you to set expiration.

小开

I have managed to write a script allowing the user to choose his/her language, using the cookie script from Klaus Hartl. It took me a few hours work, and I hope I can help others.


提交答案