// 设置 cookie
function setCookie(name, value, days) {
let expires = "";
if (days) {
const date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + (value || "") + expires + "; path=/";
}
// 获取 cookie
function getCookie(name) {
const nameEQ = name + "=";
const ca = document.cookie.split(';');
for (let i = 0; i < ca.length; i++) {
let c = ca[i];
while (c.charAt(0) === ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) === 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
// 删除 cookie
function deleteCookie(name) {
document.cookie = name + "=; Max-Age=-99999999;";
}
setCookie(name, value, days):
name 是 cookie 的名称。value 是 cookie 的值。days 是 cookie 的有效期(天数),如果不指定,则为会话 cookie(关闭浏览器后失效)。getCookie(name):
null。deleteCookie(name):
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