jQuery 切换 Cookie [英] jQuery Toggle with Cookie
问题描述
我有以下切换系统,但我希望它记住使用 jQuery cookie 插件打开/关闭的内容.例如,如果我打开一个切换按钮然后离开页面,当我回来时它应该仍然打开.默认情况下,所有切换都应关闭.
这是我到目前为止的代码,但它变得相当混乱,非常感谢您的帮助.
jQuery.cookie = function (name, value, options) { if (typeof value != 'undefined') { options = options ||{};if (value === null) { value = '';options = $.extend({}, options);options.expires = -1;} var expires = '';if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) { var date;if (typeof options.expires == 'number') { date = new Date();date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));} else { 日期 = options.expires;} 过期 = ';expires=' + date.toUTCString();无功路径= options.path ?';路径 = = + (options.path) : '';var 域 = options.domain ?';域 = = + (options.domain) : '';var 安全 = options.secure ?';安全的' : '';document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');} else { var cookieValue = null;if (document.cookie && document.cookie != '') { var cookies = document.cookie.split(';');for (var i = 0; i < cookies.length; i++) { var cookie = jQuery.trim(cookies[i]);if (cookie.substring(0, name.length + 1) == (name + '=')) { cookieValue = decodeURIComponent(cookie.substring(name.length + 1));休息;} } } 返回 cookieValue;} };//var showTop = $.cookie('showTop');if ($.cookie('showTop') == 'collapsed') {$(".toggle_container").hide();$(".trigger").toggle(function () {$(this).addClass("active");}, 功能 () {$(this).removeClass("active");});$(".trigger").click(function () {$(this).next(".toggle_container").slideToggle("slow,");});} 别的 {$(".toggle_container").show();$(".trigger").toggle(function () {$(this).addClass("active");}, 功能 () {$(this).removeClass("active");});$(".trigger").click(function () {$(this).next(".toggle_container").slideToggle("slow,");});};$(".trigger").click(function () {if ($(".toggle_container").is(":hidden")) {$(this).next(".toggle_container").slideToggle("slow,");$.cookie('showTop', '展开');} 别的 {$(this).next(".toggle_container").slideToggle("slow,");$.cookie('showTop', '折叠');}返回假;});
这是它使用的 HTML 片段:
<label for="small"><input type="checkbox" id="small"/>小</label><a class="trigger" href="#">切换</a><div class="toggle_container"><p class="funding"><strong>Funding</strong></p><ul class="childs"><li class="child"><label for="fully-funded1"><input type="checkbox" id="fully-funded1"/>资金充足</label><a class="trigger" href="#">切换</a><div class="toggle_container"><p class="days"><strong>Days</strong></p><ul class="days clearfix"><li><label for="1pre16">Pre 16</label><input type="text" id="1pre16"/></li><li><label for="2post16">帖子 16</label><input type="text" id="2post16"/></li><li><label for="3teacher">Teacher</label><input type="text" id="3teacher"/></li>
您可以将所有代码缩短为这样,应该更简单:
$(".toggle_container").toggle($.cookie('showTop') != 'collapsed');$(".trigger").click(function () {$(this).toggleClass("active").next(".toggle_container").slideToggle("slow,");$.cookie('showTop',$(".toggle_container").is(":hidden") ?'展开' : '折叠');返回假;});
这是一种为每个容器设置 cookie 的方法,只需为每个 .toggle_container
提供一个唯一 ID:
$(".toggle_container").each(function() {$(this).toggle($.cookie('show-' + this.id) != 'collapsed');});$(".trigger").click(function () {var tc = $(this).toggleClass("active").next(".toggle_container").slideToggle("slow", function() {$.cookie('show-' + $(this).attr("id"), $(this).is(":hidden") ? 'collapsed' : 'expanded');});返回假;});
I have the following toggle system, but I want it to remember what was open/closed using the jQuery cookie plugin. So for example if I open a toggle and then navigate away from the page, when I come back it should be still open. By default all Toggles should be closed.
This is code I have so far, but it's becoming rather confusing, some help would be much appreciated thanks.
jQuery.cookie = function (name, value, options) { if (typeof value != 'undefined') { options = options || {}; if (value === null) { value = ''; options = $.extend({}, options); options.expires = -1; } var expires = ''; if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) { var date; if (typeof options.expires == 'number') { date = new Date(); date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000)); } else { date = options.expires; } expires = '; expires=' + date.toUTCString(); } var path = options.path ? '; path=' + (options.path) : ''; var domain = options.domain ? '; domain=' + (options.domain) : ''; var secure = options.secure ? '; secure' : ''; document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join(''); } else { var cookieValue = null; if (document.cookie && document.cookie != '') { var cookies = document.cookie.split(';'); for (var i = 0; i < cookies.length; i++) { var cookie = jQuery.trim(cookies[i]); if (cookie.substring(0, name.length + 1) == (name + '=')) { cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); break; } } } return cookieValue; } };
// var showTop = $.cookie('showTop');
if ($.cookie('showTop') == 'collapsed') {
$(".toggle_container").hide();
$(".trigger").toggle(function () {
$(this).addClass("active");
}, function () {
$(this).removeClass("active");
});
$(".trigger").click(function () {
$(this).next(".toggle_container").slideToggle("slow,");
});
} else {
$(".toggle_container").show();
$(".trigger").toggle(function () {
$(this).addClass("active");
}, function () {
$(this).removeClass("active");
});
$(".trigger").click(function () {
$(this).next(".toggle_container").slideToggle("slow,");
});
};
$(".trigger").click(function () {
if ($(".toggle_container").is(":hidden")) {
$(this).next(".toggle_container").slideToggle("slow,");
$.cookie('showTop', 'expanded');
} else {
$(this).next(".toggle_container").slideToggle("slow,");
$.cookie('showTop', 'collapsed');
}
return false;
});
and this is a snippet of the HTML it works with:
<li>
<label for="small"><input type="checkbox" id="small" /> Small</label>
<a class="trigger" href="#">Toggle</a>
<div class="toggle_container">
<p class="funding"><strong>Funding</strong></p>
<ul class="childs">
<li class="child">
<label for="fully-funded1"><input type="checkbox" id="fully-funded1" /> Fully Funded</label>
<a class="trigger" href="#">Toggle</a>
<div class="toggle_container">
<p class="days"><strong>Days</strong></p>
<ul class="days clearfix">
<li><label for="1pre16">Pre 16</label> <input type="text" id="1pre16" /></li>
<li><label for="2post16">Post 16</label> <input type="text" id="2post16" /></li>
<li><label for="3teacher">Teacher</label> <input type="text" id="3teacher" /></li>
</ul>
</div>
</li>
You can shorten all that code down to this, should keep it much simpler:
$(".toggle_container").toggle($.cookie('showTop') != 'collapsed');
$(".trigger").click(function () {
$(this).toggleClass("active").next(".toggle_container").slideToggle("slow,");
$.cookie('showTop',
$(".toggle_container").is(":hidden") ? 'expanded' : 'collapsed');
return false;
});
Here's an approach that sets a cookie for each container, all that's necessary is to give each .toggle_container
a unique ID:
$(".toggle_container").each(function() {
$(this).toggle($.cookie('show-' + this.id) != 'collapsed');
});
$(".trigger").click(function () {
var tc = $(this).toggleClass("active").next(".toggle_container").slideToggle("slow", function() {
$.cookie('show-' + $(this).attr("id"), $(this).is(":hidden") ? 'collapsed' : 'expanded');
});
return false;
});
这篇关于jQuery 切换 Cookie的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!