J.$package(function(J){
var domainPrefix = window.location.hostname;
var cookie = {
set : function(name, value, domain, path, hour) {
if (hour) {
var today = new Date();
var expire = new Date();
expire.setTime(today.getTime() + 3600000 * hour);
}
window.document.cookie = name + "=" + value + "; " + (hour ? ("expires=" + expire.toGMTString() + "; ") : "") +
(path ? ("path=" + path + "; ") : "path=/; ") + (domain ? ("domain=" + domain + ";") : ("domain=" + domainPrefix + ";"));
return true;
},
get : function(name) {
var r = new RegExp("(?:^|;+|\\s+)" + name + "=([^;]*)");
var m = window.document.cookie.match(r);
return (!m ? "" : m[1]);
},
remove : function(name, domain, path) {
window.document.cookie = name + "=; expires=Mon, 26 Jul 1997 05:00:00 GMT; " + (path ? ("path=" + path + "; ") : "path=/; ") +
(domain ? ("domain=" + domain + ";") : ("domain=" + domainPrefix + ";"));
}
};
J.cookie = cookie;
});
这个是我在腾讯的一个开源库中看到的使用方式，觉得很好，就把源码拿过来了，大家可以直接复制。
