您可以使用日期选择本地getDate特性得到日期对象。然后使用this SO answer中有关的信息将日光节约纳入帐户,您可以使用UTC日期时间来获取确切的差异。
除了使设置日期时间非常简单,如果你可以改变你的选择的value
,它们设置为实际的小时值,与此类似:
<select id="tin" name="tin">
<option value="13">13:00</option>
<option value="19">19:00</option>
</select>
这
<select id="tout" name="tout">
<option value="12">12:00</option>
<option value="18">18:00</option>
</select>
将使用唯一的本地日期的对象特征来计算您的日期和时间,由24 dividng时除外摆脱小时的日子使代码很容易,与此类似:
var _MS_PER_HOUR = 1000 * 60 * 60; // 3600000ms per hour
var outputTextWithSign = '{0}{1} Days(s) {2}{3} Hours(s)'; // included sign
var outputTextWithoutSign = '{0} Days(s) {1} Hours(s)'; // no sign
$(function() {
$("#din, #dout").datepicker({
minDate: 0,
dateFormat: 'dd/mm/yy'
});
});
$(document).ready(function() {
$("#diff").focus(function() {
var startDate = $('#din').datepicker('getDate');
var endDate = $('#dout').datepicker('getDate');
// use native set hour to set the hours, assuming val is exact hours
// otherwise derive exact hour from your values
startDate.setHours($('#tin').val());
endDate.setHours($('#tout').val());
// convert date and time to UTC to take daylight savings into account
var utc1 = Date.UTC(startDate.getFullYear(), startDate.getMonth(), startDate.getDate(), startDate.getHours(), startDate.getMinutes(), startDate.getSeconds());
var utc2 = Date.UTC(endDate.getFullYear(), endDate.getMonth(), endDate.getDate(), endDate.getHours(), endDate.getMinutes(), endDate.getSeconds());
// get utc difference by always deducting less from more
// that way you always get accurate difference even if in reverse!
var utcDiff = utc1 > utc2 ? utc1 - utc2 : utc2 - utc1;
// get total difference in hours
var msDiff = Math.floor(utcDiff/_MS_PER_HOUR);
// get days from total hours
var dayDiff = Math.floor(msDiff/24);
// get left over hours after deducting full days
var hourDiff = Math.floor((msDiff - (24 * dayDiff)));
//
// write out results
//
// if you really need to show - sign and not just the difference...
var sign = utc1 > utc2 ? '-' : '';
// format output text - with (-)sign if required
var txtWithSign = outputTextWithSign.format(dayDiff ? sign : '', dayDiff, hourDiff ? sign : '', hourDiff);
// simple format without sign
var txtNoSign = outputTextWithoutSign.format(dayDiff, hourDiff);
// assign result - switch with/without sign result as needed
$("#diff").val(txtWithSign);
//$("#diff").val(txtNoSign);
});
});
// Helper for easy string formatting.
String.prototype.format = function() {
//var s = arguments[0];
var s = this;
for (var i = 0; i < arguments.length; i++) {
var reg = new RegExp("\\{" + i + "\\}", "gm");
s = s.replace(reg, arguments[i]);
}
return s;
}
DEMO - 获取日和小时的时差,服用夏令考虑
请,发布您的代码在这里@hindmost我已经建立,包括我的所有代码小提琴 – hindmost
:HTTP:// jsfiddle.net/u97Ja/2/ –
我已经注意到你的代码中的链接。不过,我想在这里看到你的代码 – hindmost