js 下拉时间段-礼拜

js 下拉时间段--星期

<td style="font: normal 宋体; font-size: 9pt;" height="40">查询年份： <input type="text" id="time" name="time" onChange="week(3)" value='<%=now%>' style="font: normal 宋体; font-size: 9pt; width: 80px" onfocus="WdatePicker({readOnly:true,dateFmt:'yyyy'})" />&nbsp;&nbsp;&nbsp;查询时间： <select id="week" value="" style="font: normal 宋体; font-size: 9pt; width: 220px" onChange="calcu(3)"></select><input type="button" id="fanhui" name="fanhui" style="font: normal 宋体; font-size: 9pt;" value="查询" onClick="calcu(2);"><label id="label"></label></td>

?<script type="text/javascript">var startDate;var endDate;function calcu(objct) {var nowYear =  document.getElementById("time").value;//当前年//-------------------------------------------------------------------------------------var yearStart = new Date(parseInt(nowYear), 0, 1); //设置该年1.1.var firstDay = yearStart.getDay(); //星期var yearEnd = new Date(parseInt(nowYear), 11, 31); //设置该年12.31.var endDay = yearEnd.getDay(); //星期//-------------------------------------------------------------------------------------    //判断输入是否超过最大周次.var maxWeek = 52; //该年最大周次.1.1.在周一到周四,则为该年第一周,否则为上年最后一周.if ((firstDay >= 1 && firstDay <= 4)&& (endDay == 0 || endDay == 4 || endDay == 5 || endDay == 6)) {maxWeek = 53; //1.1.和12.31.都在本年,则该年有53周,否则52周} else {maxWeek = 52;}//----------------------------------------------------------------------------------------//-------------------------------------------------------------------------------------//对1.1.所在周的前后几天特殊处理.if (firstDay >= 0 && firstDay <= 4) {other = firstDay - 1;} else {other = firstDay - 8;}//-------------------------------------------------------------------------------------//-------------------------------------------------------------------------------------//时间调整,得出要计算周的起/始时间.    //距离当年1.1.的总天数days = (parseInt(document.getElementById("week").value, 10) - 1) * 7- other;//转换成Ms.......var oneMinute = 60 * 1000;var oneHour = oneMinute * 60;var oneDay = oneHour * 24;//1.1.至1/1/70的毫秒数var dateInMs = yearStart.getTime();//当前所选周第一天离1/1/70的毫秒数.dateInMs += oneDay * days;//日期调整(设置1/1/70至今的毫秒数)yearStart.setTime(dateInMs);//当前所选周最后一天处理,同上.var weekEnd = new Date(parseInt(nowYear), 0, 1);var dateInMs1 = weekEnd.getTime();dateInMs1 += oneDay * (days + 6);weekEnd.setTime(dateInMs1);//-------------------------------------------------------------------------------------//-------------------------------------------------------------------------------------//月和日的处理,一位变两位,如:1->01.    var month = yearStart.getMonth() + 1;if (month < 10) {month = "0" + month;}var day = yearStart.getDate();if (day < 10) {day = "0" + day;}var month1 = weekEnd.getMonth() + 1;if (month1 < 10) {month1 = "0" + month1;}var day1 = weekEnd.getDate();if (day1 < 10) {day1 = "0" + day1;}//-------------------------------------------------------------------------------------startDate = nowYear + "-" + month + "-" + day;endDate = nowYear + "-" + month1 + "-" + day1;if(startDate > endDate){newNowYear = nowYear-1;startDate = newNowYear + "-" + month + "-" + day;}document.getElementById("label").innerHTML = "您选择的时间为：" + startDate+ " ～  " + endDate;submit(objct);//document.getElementById('Ifrmname1').src="http://localhost:8080<%=request.getContextPath()%>/ReportEmitter?rpt=/CISS/11.brt&params=startData="+startDate+";endData="+endDate;//-------------------------------------------------------------------------------------}function week(objct) {var sDate;var eDate;var dateInMs2;var nowYear = document.getElementById("time").value;//-------------------------------------------------------------------------------------var yearStart = new Date(parseInt(nowYear), 0, 1); //设置该年1.1.var firstDay = yearStart.getDay(); //星期var yearEnd = new Date(parseInt(nowYear), 11, 31); //设置该年12.31.var endDay = yearEnd.getDay(); //星期//-------------------------------------------------------------------------------------    //判断输入是否超过最大周次.var maxWeek; //该年最大周次.1.1.在周一到周四,则为该年第一周,否则为上年最后一周.if ((firstDay >= 1 && firstDay <= 4)&& (endDay == 0 || endDay == 4 || endDay == 5 || endDay == 6)) {maxWeek = 53; //1.1.和12.31.都在本年,则该年有53周,否则52周} else {maxWeek = 52;}//对1.1.所在周的前后几天特殊处理.if (firstDay >= 0 && firstDay <= 4) {other1 = firstDay - 1;} else {other1 = firstDay - 8;}//给select赋值var week = document.getElementById("week");week.options.length = 0;for ( var i = 1; i <= maxWeek; i++) {var days1 = (parseInt(i, 10) - 1) * 7 - other1;//转换成Ms.......var oneMinute = 60 * 1000;var oneHour = oneMinute * 60;var oneDay = oneHour * 24;//1.1.至1/1/70的毫秒数var dateInMs;//当前所选周第一天离1/1/70的毫秒数.if( i == 1){dateInMs = yearStart.getTime();dateInMs += oneDay * days1;dateInMs2 = yearStart.getTime();yearStart.setTime(dateInMs);}else{var dateInMs3 = dateInMs2 + oneDay * days1;yearStart.setTime(dateInMs3);}//日期调整(设置1/1/70至今的毫秒数)//yearStart.setTime(dateInMs);//当前所选周最后一天处理,同上.var weekEnd = new Date(parseInt(nowYear), 0, 1);var dateInMs1 = weekEnd.getTime();dateInMs1 += oneDay * (days1 + 6);weekEnd.setTime(dateInMs1);//-------------------------------------------------------------------------------------//-------------------------------------------------------------------------------------//月和日的处理,一位变两位,如:1->01.    var month = yearStart.getMonth() + 1;if (month < 10) {month = "0" + month;}var day = yearStart.getDate();if (day < 10) {day = "0" + day;}var month1 = weekEnd.getMonth() + 1;if (month1 < 10) {month1 = "0" + month1;}var day1 = weekEnd.getDate();if (day1 < 10) {day1 = "0" + day1;}//-------------------------------------------------------------------------------------sDate = nowYear + "-" + month + "-" + day;eDate = nowYear + "-" + month1 + "-" + day1;if(sDate > eDate){newNowYear = nowYear-1;sDate = newNowYear + "-" + month + "-" + day;}var y = document.createElement("option");y.text = "第" + i + "周 ("+sDate+"~"+eDate+")";y.value = i;try {week.add(y, null);} catch (ex) {week.add(y);}}var d1 = new Date();var d2 = new Date();d2.setMonth(0);d2.setDate(1);var rq = d1 - d2;//一年的第多少天var s1 = Math.ceil(rq / (24 * 60 * 60 * 1000));//一年中的某一周var s2 = Math.ceil(s1 / 7);document.getElementById('week').value = s2;//document.getElementById('week').innerHtml = "第" + s2 + "周()";calcu(objct);//-->}function submit(objct) {if(objct==3){}else{document.getElementById('Ifrmname1').src = "<%=request.getContextPath()%>/ReportEmitter?rpt=/cmwp/weeklyReport.brt&params=start_date="+ startDate + ";end_date=" + endDate + ";orgid= " + '<%=orgid%>' + ";plan_type=W";}}//--></script>

?实现查询时间区间--以星期分开