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【记录】js|【记录】js 获取周、月、年的开始及结束时间
/* 时间加一天 */
const getTimes = (time)=>{
time = new Date(time.getTime() + 3600 * 1000 * 24 * 1);
const year = time.getFullYear();
const month = (time.getMonth() + 1).toString().padStart(2, "0");
const day = time.getDate().toString().padStart(2, "0");
return `${year}-${month}-${day}`;
}/* 时间格式处理 */
const timeFormat = (date,status) => {
const y = date.getFullYear();
//年
const m = (date.getMonth() + 1).toString().padStart(2, '0');
//月
const d = date.getDate().toString().padStart(2, '0');
//日
if(status) return `${y}-${m}-${d} 00:00:00`;
return `${y}-${m}-${d} 23:59:59`;
}/* ------------------------------------------------------ */
/* 本周星期一 */
const getFirstDayOfWeek = (date,status=true) => {
const weekday = date.getDay() || 7;
date.setDate(date.getDate() - weekday + 1);
if(status) return timeFormat(date,status);
return getWeekLast(date);
}/* 本周最后一天 */
const getWeekLast = (data)=>{
const nowTime = data.getTime() ;
const day = data.getDay();
const oneDayTime = 24*60*60*1000 ;
const SundayTime =nowTime + (7-day)*oneDayTime;
return timeFormat(new Date(SundayTime));
}/* ------------------------------------------------------ */
/* 本月第一天 */
const getFirstDayOfMonth = (date,status=true)=>{
date.setDate(1);
if(status) return timeFormat(date,status,'月');
return CurrentMonthLast(date);
}
/* 本月最后一天 */
const CurrentMonthLast = (date)=>{
let currentMonth=date.getMonth();
let nextMonth=++currentMonth;
let nextMonthFirstDay=new Date(date.getFullYear(),nextMonth,1);
let oneDay=1000*60*60*24;
return timeFormat(new Date(nextMonthFirstDay-oneDay));
}/* ------------------------------------------------------ */
/* 本年年初 */
const getFirstDayOfYear = (date,status=true)=>{
date.setDate(1);
date.setMonth(0);
if(status) return timeFormat(date,status,'年');
return getEndYear(date);
}
/* 本年年尾 */
const getEndYear = (date)=>{
date.setFullYear(date.getFullYear() + 1);
date.setMonth(0);
date.setDate(0);
return timeFormat(date);
}
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