我有这个 html:
<input class="smalldatepicker" type="date" id="datepickerFrom" value="2016-09-04">
</input>
<label class="cccsfont"> to </label>
<input type="date" class="smalldatepicker" id="datepickerTo" value="2016-09-10">
</input>
将“datepickerTo”设置为上周六(这是基于今天的日期,即 9 月 15 日星期四),将“datepickerFrom”设置为之前的周日。
不过,这是手动添加的;我想以编程方式在 jQuery 中执行此操作,例如:
var lastSat = getLastSaturday(); // return in form "YYYY-MM-DD"
var sundayBeforeLastSat = getSundayBeforeLast(lastSat); // " "
$("#datepickerTo").val(lastSat);
$("#datepickerFrom").val(sundayBeforeLastSat);
我认为这应该可行,但我不知道在函数中放入什么:
function getLastSaturday() {
return ???;
}
function sundayBeforeLastSat(lastSat) {
return ???;
}
最佳答案
如果您不想使用任何库,例如 moment.js 或其他
试试这个:
$(function(){
var lastSat = getLastSaturday(); // return in form "YYYY-MM-DD"
var sundayBeforeLastSat = getSundayBeforeLastSat(lastSat); // " "
console.log("Last satuarday: "+lastSat);
console.log("Last Sunday: "+sundayBeforeLastSat);
$("#datepickerTo").val(lastSat);
$("#datepickerFrom").val(sundayBeforeLastSat);
});
function getLastSaturday() {
newDate= new Date();
daysAfterSat = newDate.getDay()+1;
lastSat = new Date(newDate.setDate(newDate.getDate()-daysAfterSat));
dateString = lastSat.getFullYear()+ "-"+('0' + (lastSat.getMonth()+1)).slice(-2) + '-'+('0' + lastSat.getDate()).slice(-2);
return dateString;
}
function getSundayBeforeLastSat(lastSat) {
date = new Date(lastSat);
lastSun = new Date(date.setDate(date.getDate()-6));
dateString = lastSun.getFullYear()+ "-"+('0' + (lastSun.getMonth()+1)).slice(-2) + '-'+('0' + lastSun.getDate()).slice(-2);
return dateString;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form>
<input class="smalldatepicker" type="date" id="datepickerFrom" value="">
</input>
<label class="cccsfont"> to </label>
<input type="date" class="smalldatepicker" id="datepickerTo" value="">
</input>
</form>
关于javascript - 我如何计算 jQuery 中的日期,并将输入日期的值设置为该值?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39517641/