~~~ /** * 设置cookie * @param name cookie名称 * @param value cookie值 * @param iDay 保存天数 */ function setCookie(name, value, iDay) { let oDate = new Date(); oDate.setDate(oDate.getDate() + iDay); document.cookie = name + '=' + value + ';expires=' + oDate; } ~~~ ~~~ /** * 获取cookie * @param name cookie的名称 * @returns {*} */ function getCookie(name) { let arr = document.cookie.split('; '); for (let i = 0; i < arr.length; i++) { let arr2 = arr[i].split('='); if (arr2[0] == name) { return arr2[1]; } } return ''; } ~~~ ~~~ /** * 删除cookie * @param name */ function removeCookie(name) { setCookie(name, 1, -1); } ~~~