网站制作前需要进行规划设计,服装集团网站建设,园洲做网站公司,移动互联网开发技术题库/*** 获取本周、本季度、本月、上月的开始日期、结束日期*/var now new Date(); //当前日期 var nowDayOfWeek now.getDay(); //今天本周的第几天 var nowDay now.getDate(); //当前日 var nowMonth now.getMonth(); //当前月 var nowYear now.getYear(); //当前年 n…/*** 获取本周、本季度、本月、上月的开始日期、结束日期*/var now new Date(); //当前日期 var nowDayOfWeek now.getDay(); //今天本周的第几天 var nowDay now.getDate(); //当前日 var nowMonth now.getMonth(); //当前月 var nowYear now.getYear(); //当前年 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();//格式化日期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); } //获得某月的天数 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; } //获得本季度的开始月份 function getQuarterStartMonth(){ var quarterStartMonth 0; if(nowMonth3){ quarterStartMonth 0; } if(2nowMonth nowMonth6){ quarterStartMonth 3; } if(5nowMonth nowMonth9){ quarterStartMonth 6; } if(nowMonth8){ quarterStartMonth 9; } return quarterStartMonth; } //获得本周的开始日期 function getWeekStartDate() { var weekStartDate new Date(nowYear, nowMonth, nowDay - nowDayOfWeek); return formatDate(weekStartDate); } //获得本周的结束日期 function getWeekEndDate() { var weekEndDate new Date(nowYear, nowMonth, nowDay (6 - nowDayOfWeek)); return formatDate(weekEndDate); } //获得本月的开始日期 function getMonthStartDate(){ var monthStartDate new Date(nowYear, nowMonth, 1); return formatDate(monthStartDate); } //获得本月的结束日期 function getMonthEndDate(){ var monthEndDate new Date(nowYear, nowMonth, getMonthDays(nowMonth)); return formatDate(monthEndDate); } //获得上月开始时间function getLastMonthStartDate(){var lastMonthStartDate new Date(nowYear, lastMonth, 1);return formatDate(lastMonthStartDate); } //获得上月结束时间function getLastMonthEndDate(){var lastMonthEndDate new Date(nowYear, lastMonth, getMonthDays(lastMonth));return formatDate(lastMonthEndDate); }//获得本季度的开始日期 function getQuarterStartDate(){ var quarterStartDate new Date(nowYear, getQuarterStartMonth(), 1); return formatDate(quarterStartDate); } //或的本季度的结束日期 function getQuarterEndDate(){ var quarterEndMonth getQuarterStartMonth() 2; var quarterStartDate new Date(nowYear, quarterEndMonth, getMonthDays(quarterEndMonth)); return formatDate(quarterStartDate); }转载于:https://www.cnblogs.com/zbuser/p/7921406.html
