vue3 登录后欢迎语标题封装

/**
 * 规则
 */
const time_rule = [
  { rule: (hours: number) => hours >= 6 && hours <= 10, intro: "早上好 ⛅" },
  { rule: (hours: number) => hours >= 10 && hours <= 14, intro: "中午好 🌞" },
  { rule: (hours: number) => hours >= 14 && hours <= 18, intro: "下午好 🌞" },
  { rule: (hours: number) => hours >= 18 && hours <= 24, intro: "早上好 ⛅" },
  { rule: (hours: number) => hours >= 0 && hours <= 6, intro: "凌晨好 🌛" },
];
/**
 * 根据当前时间段获取欢迎语
 * @returns
 */
export function getTimeState() {
  const cur_hours = new Date().getHours();
  return time_rule.filter((t) => t.rule(cur_hours))[0].intro;
}