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Js代碼 /** * 獲取本周、本季度、本月、上月的開端日期、停止日期 */ var now = new Date(); //當前日期 var nowDayOfWeek = now.getDay(); //今天本周的第幾天 var nowDay = now.getDate(); //當前日 var nowMonth = now.getMonth(); //當前月 var nowYear = now.getYear(); //當前年 nowYear += (nowYear < 2000) ? 1900 : 0; // var lastMonthDate = new Date(); //上月日期 lastMonthDate.setDate(1); lastMonthDate.setMonth(lastMonthDate.getMonth()-1); var lastYear = lastMonthDate.getYear(); var lastMonth = lastMonthDate.getMonth();//格局化日期：yyyy-MM-dd function formatDate(date) { var myyear = date.getFullYear(); var mymonth = date.getMonth()+1; var myweekday = date.getDate();if(mymonth < 10){ mymonth = "0" + mymonth; } if(myweekday < 10){ myweekday = "0" + myweekday; } return (myyear+"-"+mymonth + "-" + myweekday); }//獲得某月的天數 function getMonthDays(myMonth){ var monthStartDate = new Date(nowYear, myMonth, 1); var monthEndDate = new Date(nowYear, myMonth + 1, 1); var days = (monthEndDate - monthStartDate)/(1000 * 60 * 60 * 24); return days; }//獲得本季度的開端月份 function getQuarterStartMonth(){ var quarterStartMonth = 0; if(nowMonth<3){ quarterStartMonth = 0; } if(2<nowMonth && nowMonth<6){ quarterStartMonth = 3; } if(5<nowMonth && nowMonth<9){ quarterStartMonth = 6; } if(nowMonth>8){ quarterStartMonth = 9; } return quarterStartMonth; }//獲得本周的開端日期 function getWeekStartDate() { var weekStartDate = new Date(nowYear, nowMonth, nowDay - nowDayOfWeek); return formatDate(weekStartDate); }//獲得本周的停止日期 function getWeekEndDate() { var weekEndDate = new Date(nowYear, nowMonth, nowDay + (6 - nowDayOfWeek)); return formatDate(weekEndDate); }//獲得本月的開端日期 function getMonthStartDate(){ var monthStartDate = new Date(nowYear, nowMonth, 1); return formatDate(monthStartDate); }//獲得本月的停止日期 function getMonthEndDate(){ var monthEndDate = new Date(nowYear, nowMonth, getMonthDays(nowMonth)); return formatDate(monthEndDate); }//獲得上月開端時候 function getLastMonthStartDate(){ var lastMonthStartDate = new Date(nowYear, lastMonth, 1); return formatDate(lastMonthStartDate); }//獲得上月停止時候 function getLastMonthEndDate(){ var lastMonthEndDate = new Date(nowYear, lastMonth, getMonthDays(lastMonth)); return formatDate(lastMonthEndDate); }//獲得本季度的開端日期 function getQuarterStartDate(){var quarterStartDate = new Date(nowYear, getQuarterStartMonth(), 1); return formatDate(quarterStartDate); }//或的本季度的停止日期 function getQuarterEndDate(){ var quarterEndMonth = getQuarterStartMonth() + 2; var quarterStartDate = new Date(nowYear, quarterEndMonth, getMonthDays(quarterEndMonth)); return formatDate(quarterStartDate); }

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轉載于:https://www.cnblogs.com/baixc/p/4425002.html

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