十 13
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/**
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* 计算2个日期之间相隔的天数
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*
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*/
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function dateDiff(startDate, endDate)
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{
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var days = 0;
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if (startDate == endDate) {
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return days;
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}
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var sDate = startDate.split('-');
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var eDate = endDate.split('-');
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var sYear = parseInt(sDate[0]);
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var sMonth = parseInt(sDate[1]);
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var sDay = parseInt(sDate[2]);
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var eYear = parseInt(eDate[0]);
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var eMonth = parseInt(eDate[1]);
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var eDay = parseInt(eDate[2]);
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for (var y = sYear; y <= eYear; y++) {
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if (y == eYear) {
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for (var m = 1; m <= eMonth; m++) {
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if (m == eMonth) {
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days = days + eDay - sDay;
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} else if (m >= sMonth) {
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days = days + getMonthDays(y, m);
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}
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}
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} else {
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days = days + ((leapYear(y)) ? 366 : 365);
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}
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}
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return days;
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}
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function getMonthDays(year, month)
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{
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var ar = new Array();
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ar[1] = 31;
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ar[2] = (leapYear(year)) ? 29 : 28;
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ar[3] = 31;
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ar[4] = 30;
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ar[5] = 31;
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ar[6] = 30;
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ar[7] = 31;
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ar[8] = 31;
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ar[9] = 30;
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ar[10] = 31;
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ar[11] = 30;
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ar[12] = 31;
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return ar[month];
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}
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function leapYear(year)
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{
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if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
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return true;
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}
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return false;
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}
