是否可以放入一個Javascript對象數組並再次檢索它?有沒有簡單的方法?在將它們存儲在cookie中之前,是否必須序列化爲字符串?如何把一個JavaScript對象的數組放入cookie中?
接下來的代碼顯示了我想要達到的目標:提前
writeCookie("items",[new Item(3,15.00,2,"GR-10 Senderos"),new Item(4,45,1,"GR-10 Senderos<br/>GR 88 Senderos del Jarama<br/>Camino del Cid")],5*365);
$(document).ready(function() {
var items = readCookie("items");
});
function writeCookie(name, value, days) {
// By default, there is no expiration so the cookie is temporary
var expires = "";
// Specifying a number of days makes the cookie persistent
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
}
// Set the cookie to the name, value, and expiration date
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
// Find the specified cookie and return its value
var searchName = name + "=";
var cookies = document.cookie.split(';');
for(var i=0; i < cookies.length; i++) {
var c = cookies[i];
while (c.charAt(0) == ' ')
c = c.substring(1, c.length);
if (c.indexOf(searchName) == 0)
return c.substring(searchName.length, c.length);
}
return null;
}
function eraseCookie(name) {
// Erase the specified cookie
writeCookie(name, "", -1);
}
謝謝!
請記住,cookie具有大小限制(IE的限制性較強的瀏覽器,每個cookie最多允許4,096字節http://is.gd/5kvH7),並且不要忘記cookie將以*每個*請求,這就是爲什麼建議爲圖像和組件提供無cookie的域。 http://is.gd/5kwcx – CMS 2009-12-12 05:03:26
我想存儲購物車項目,一些文本和數量。我認爲大小不會是一個問題。不過,謝謝你提供的信息。不勝感激! – 2009-12-13 23:54:07