function getNowFormatDate(theDate) { var day = theDate; var Year = 0; var Month = 0; var Day = 0; var CurrentDate = ""; // 初始化時(shí)間 Year= day.getFullYear();// ie火狐下都可以 Month= day.getMonth()+1; Day = day.getDate(); CurrentDate += Year + "-"; if (Month >= 10 ) { CurrentDate += Month + "-"; } else { CurrentDate += "0" + Month + "-"; } if (Day >= 10 ) { CurrentDate += Day ; } else { CurrentDate += "0" + Day ; } return CurrentDate; } function isInOneYear(_year,_week){ if(_year == null || _year == '' || _week == null || _week == ''){ return true; } var theYear = getXDate(_year,_week,4).getFullYear(); if(theYear != _year){ return false; } return true; } // 獲取日期范圍顯示 function getDateRange(_year,_week){ var beginDate; var endDate; if(_year == null || _year == '' || _week == null || _week == ''){ return ""; } beginDate = getXDate(_year,_week,4); endDate = getXDate(_year,(_week - 0 + 1),5); return getNowFormatDate(beginDate) + " 至 "+ getNowFormatDate(endDate); } // 這個(gè)方法將取得某年(year)第幾周(weeks)的星期幾(weekDay)的日期 function getXDate(year,weeks,weekDay){ // 用指定的年構(gòu)造一個(gè)日期對(duì)象，并將日期設(shè)置成這個(gè)年的1月1日 // 因?yàn)橛?jì)算機(jī)中的月份是從0開(kāi)始的,所以有如下的構(gòu)造方法 var date = new Date(year,"0","1"); // 取得這個(gè)日期對(duì)象 date 的長(zhǎng)整形時(shí)間 time var time = date.getTime(); // 將這個(gè)長(zhǎng)整形時(shí)間加上第N周的時(shí)間偏移 // 因?yàn)榈谝恢芫褪钱?dāng)前周,所以有:weeks-1,以此類(lèi)推 // 7*24*3600000 是一星期的時(shí)間毫秒數(shù),(JS中的日期精確到毫秒) time+=(weeks-1)*7*24*3600000; // 為日期對(duì)象 date 重新設(shè)置成時(shí)間 time date.setTime(time); return getNextDate(date,weekDay); } // 這個(gè)方法將取得 某日期(nowDate) 所在周的星期幾(weekDay)的日期 function getNextDate(nowDate,weekDay){ // 0是星期日,1是星期一,... weekDay%=7; var day = nowDate.getDay(); var time = nowDate.getTime(); var sub = weekDay-day; if(sub <= 0){ sub += 7; } time+=sub*24*3600000; nowDate.setTime(time); return nowDate; }

//日期處理 function dateRange(){ var _year = $("#_year").val(); var _week = $("#_week").val(); if(isInOneYear(_year,_week)){ var showDate = getDateRange(_year,_week); $("#_dateRange_import").html(showDate); } else{ alert(_year+"年無(wú)"+_week+"周，請(qǐng)重新選擇"); $("#_week").val(""); } }