export const useDate = () => {
    const hours = ref("00");
    const minutes = ref("00");
    const seconds = ref("00");
    const year = ref("");
    const month = ref("");
    const day = ref("");
    const weekday = ref(""); // 新增星期几变量
  
    let timer: number | null = null;
  
    const updateTime = () => {
      const now = new Date();
  
      hours.value = now.getHours().toString().padStart(2, "0");
      minutes.value = now.getMinutes().toString().padStart(2, "0");
      seconds.value = now.getSeconds().toString().padStart(2, "0");
  
      year.value = now.getFullYear().toString();
      month.value = (now.getMonth() + 1).toString().padStart(2, "0");
      day.value = now.getDate().toString().padStart(2, "0");
      
      // 获取星期几并转换为中文格式
      const weekdayNumber = now.getDay(); // 0是星期日，1-6是星期一至星期六
      const weekdayNames = ["日", "一", "二", "三", "四", "五", "六"];
      weekday.value = "星期" + weekdayNames[weekdayNumber];
    };
  
    return {
      hours,
      minutes,
      seconds,
      year,
      month,
      day,
      weekday, // 返回星期几
      timer,
      updateTime,
    };
  };