从当前日期减去1周-javascript
这就是我获取当前日期的方式,dd-MMM-yyyy格式。如何减去1周从当前日期减去1周-javascript,javascript,Javascript,这就是我获取当前日期的方式,dd-MMM-yyyy格式。如何减去1周 var m_names = new Array("JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"); var d = new Date(); var curr_date = d.getDate(); var curr_month = d.getMonth(
var m_names = new Array("JAN", "FEB", "MAR",
"APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC");
var d = new Date();
var curr_date = d.getDate();
var curr_month = d.getMonth();
var curr_year = d.getFullYear();
var current = curr_date + "-" + m_names[curr_month] + "-" + curr_year;
您可以这样尝试:-
var d= new Date();
d.setDate(d.getDate() - 7);
使用该工具,您可以执行以下操作:
Date.parse("t - 7 d").toString("MM-dd-yyyy");
Date.today().addDays(-7).toString("MM-dd-yyyy");
Date.today().addWeeks(-1).toString("MM-dd-yyyy");
var one_week_ago = moment().subtract('weeks', 1).format('DD-MMM-YYYY')
只需添加d.setDate(d.getDate()-7)代码>在您的var d=new Date()之后代码>
考虑到
moment().calendar();
是
那么你所需要的就是
moment().subtract('days', 7).format('DD-MMM-YYYY')
变成
06-Nov-2013
对于像这样的相对日期的东西来说是很棒的:
Date.parse("t - 7 d").toString("MM-dd-yyyy");
Date.today().addDays(-7).toString("MM-dd-yyyy");
Date.today().addWeeks(-1).toString("MM-dd-yyyy");
var one_week_ago = moment().subtract('weeks', 1).format('DD-MMM-YYYY')
要对日期元素进行求和或减法,只需执行以下操作:
let currentDate = new Date()
//get each element from the current date
let year = currentDate.getFullYear()
let month = currentDate.getMonth()
let day = currentDate.getDate()
let hours = currentDate.getHours()
let minutes = currentDate.getMinutes()
let seconds = currentDate.getSeconds()
let milliseconds = currentDate.getMilliseconds()
//build the new date according the changes you want to do
let newDate = new Date(year, month, day - 7, hours, minutes, seconds, milliseconds )
console.log(newDate.toISOString())
最棒的是,即使每个参数的数字都不“有效”,该方法也会正确地调整它,例如,如果月份的数字是13,那么日期将再加上一年,月份将是1。而不是另一个DIY,如果您对日期有更多的了解,您可能希望考虑作为库,而不仅仅是这个示例。