手机游戏开发前端 |
unity 开发游戏前端吗 |
web前端可以开发游戏吗 |
一、创建cookie
function setCookie(name, value, expires, path, domain, secure) {
var cookieText = encodeURIComponent(name) + ‘=’ + encodeURIComponent(value);
if (expires instanceof Date) {
cookieText += ‘; expires=’ + expires;
}
if (path) {
cookieText += ‘; expires=’ + expires;
}
if (domain) {
cookieText += ‘; domain=’ + domain;
}
if (secure) {
cookieText += ‘; secure’;
}
document.cookie = cookieText;
} //否则确定是第一次,设置为true
二、获取cookie
[code]function getCookie(name) {
var cookieName = encodeURIComponent(name) + ‘=’;
var cookieStart = document.cookie.indexOf(cookieName);
var cookieValue = null;
if (cookieStart > -1) {
var cookieEnd = document.cookie.indexOf(';', cookieStart);
if (cookieEnd == -1) {
cookieEnd = document.cookie.length;
}
cookieValue = decodeURIComponent(
document.cookie.substring(cookieStart + cookieName.length, cookieEnd));
}
return cookieValue;
}
三、删除cookie
[code]function unsetCookie(name) {
document.cookie = name + “= ; expires=” + new Date(0);
}[/code]
四、失效天数,直接传一个天数即可
[code]function setCookieDate(day) {
if (typeof day == ‘number’ && day > 0) {
var date = new Date();
date.setDate(date.getDate() + day);
} else {
throw new Error(‘传递的day必须是一个天数,必须比0大’);
}
return date;
}[/code]
五、HTML5中提供了localStorage方法
[code]//通过方法存储和获取
localStorage.setItem(‘name’, ‘李炎恢’);
alert(localStorage.getItem(‘name’));
//通过属性存储和获取
localStorage.book = ‘李炎恢’;
alert(localStorage.book);
//删除存储
localStorage.removeItem(‘name’);[/code]
PS:是永久保存的,保存在缓存里,只有手工删除或者清理浏览器缓存方可失效。在容量上也有一些限制,主要看浏览器的差异,Firefox3+、IE8+、Opera为5M,,Chrome和Safari为2.5M。
小游戏前端开发 |
前端和游戏开发 |
web前端小游戏开发 |
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