如何在 Node.js Jade 中显示今天的日期？
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How do I display todays date in Node.js Jade?
提问by Vartan Arabyan
I am new to Node.js and Jade and I have tried to use #{Date.now()}and it's giving me numbers. How do I display the date in mm/dd/yyformat?
我是 Node.js 和 Jade 的新手，我尝试使用#{Date.now()}它，它给了我数字。如何以mm/dd/yy格式显示日期？
回答by Yves M.
You can use moment.js
你可以使用moment.js
First, add moment to your express application locals
首先，为您的快速应用程序本地人添加时刻
express = require('express');
...
app = express();
app.locals.moment = require('moment');
Then you can use moment within a jade template like this:
然后你可以像这样在玉模板中使用 moment：
p #{moment(Date.now()).format('MM/DD/YYYY')}
Moment takes Date.now()by default, so yo can also write:
Date.now()默认情况下需要时刻，所以你也可以写：
p #{moment().format('MM/DD/YYYY')}
Sources:
资料来源：
回答by zemirco
回答by Gadi
This is old, but I do the following:
这是旧的，但我执行以下操作：
return (new Date()).toLocaleDateString()
Returns a date 'mm/dd/yyyy' format, in no additional libs required.
返回日期 'mm/dd/yyyy' 格式，不需要额外的库。
回答by Vartan Arabyan
I actually started using date-util which is 2 parts both clientside and server side.
我实际上开始使用 date-util，它由客户端和服务器端两部分组成。
URL https://github.com/JerrySievert/node-date-utils
网址https://github.com/JerrySievert/node-date-utils
Using within a Browser
在浏览器中使用
<script type="text/javascript" src="date-utils.min.js"></script>
Using with Node.js
与 Node.js 一起使用
$ npm install date-utils
require('date-utils');
Note: This did not work in the REPL before Node.js 0.6 due to how Node.js handles context in the REPL.
注意：由于 Node.js 在 REPL 中处理上下文的方式，这在 Node.js 0.6 之前的 REPL 中不起作用。
Static Methods
静态方法
Date.today(); // today, 00:00:00
Date.yesterday(); // yesterday, 00:00:00
Date.tomorrow(); // tomorrow, 00:00:00
Date.validateDay(day, year, month); // true/false whether a date is valid
Date.validateYear(year); // true/false whether a year is valid
Date.validateMonth(month); // true/false whether a month is valid
Date.validateHour(hour); // true/false whether an hour is valid
Date.validateMinute(minute); // true/false whether a minute is valid
Date.validateSecond(second); // true/false whether a second is valid
Date.validateMillisecond(millisecond); // true/false whether a millisecond is valid
Date.compare(date1, date2); // -1 if date1 is smaller than date2, 0 if equal, 1 if date2 is smaller than date1
Date.equals(date1, date2); // true/false if date1 is equal to date2
Date.getDayNumberFromName(name); // su/sun/sunday - 0, mo/mon/monday - 1, etc
Date.getMonthNumberFromName(name); // jan/january - 0, feb/february - 1, etc
Date.isLeapYear(year); // true/false whether the year is a leap year
Date.getDaysInMonth(monthNumber); // number of days in the month
Instance Methods
实例方法
d.clone(); // returns a new copy of date object set to the same time
d.getMonthAbbr(); // abreviated month name, Jan, Feb, etc
d.getMonthName(); // fill month name, January, February, etc
d.getUTCOffset(); // returns the UTC offset
d.getOrdinalNumber(); // day number of the year, 1-366 (leap year)
d.clearTime(); // sets time to 00:00:00
d.setTimeToNow(); // sets time to current time
d.toFormat(format); // returns date formatted with:
// YYYY - Four digit year
// MMMM - Full month name. ie January
// MMM - Short month name. ie Jan
// MM - Zero padded month ie 01
// M - Month ie 1
// DDDD - Full day or week name ie Tuesday
// DDD - Abbreviated day of the week ie Tue
// DD - Zero padded day ie 08
// D - Day ie 8
// HH24 - Hours in 24 notation ie 18
// HH - Padded Hours ie 06
// H - Hours ie 6
// MI - Padded Minutes
// SS - Padded Seconds
// PP - AM or PM
// P - am or pm
d.toYMD(separator); // returns YYYY-MM-DD by default, separator changes delimiter
d.between(date1, date2); // true/false if the date/time is between date1 and date2
d.compareTo(date); // -1 if date is smaller than this, 0 if equal, 1 if date is larger than this
d.equals(date); // true/false, true if dates are equal
d.isBefore(date); // true/false, true if this is before date passed
d.isAfter(date); // true/false, true if this is after date passed
d.getDaysBetween(date); // returns number of full days between this and passed
d.getHoursBetween(date); // returns number of hours days between this and passed
d.getMinutesBetween(date); // returns number of full minutes between this and passed
d.getSecondsBetween(date); // returns number of full seconds between this and passed
d.add({ milliseconds: 30,
minutes: 1,
hours: 4,
seconds: 30,
days: 2,
weeks: 1,
months: 3,
years: 2}); // adds time to existing time
d.addMilliseconds(number); // add milliseconds to existing time
d.addSeconds(number); // add seconds to existing time
d.addMinutes(number); // add minutes to existing time
d.addHours(number); // add hours to existing time
d.addDays(number); // add days to existing time
d.addWeeks(number); // add weeks to existing time
d.addMonths(number); // add months to existing time
d.addYears(number); // add years to existing time
回答by rbginge
You will need to use the methods on the Date object to achieve what you're after. See https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Date
您将需要使用 Date 对象上的方法来实现您的目标。请参阅https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Date
For example, the code below should do what you need:
例如，下面的代码应该可以满足您的需求：
var dateNow = new Date();
var dd = dateNow.getDate();
var monthSingleDigit = dateNow.getMonth() + 1,
mm = monthSingleDigit < 10 ? '0' + monthSingleDigit : monthSingleDigit;
var yy = dateNow.getFullYear().toString().substr(2);
var formattedDate = mm + '/' + dd + '/' + yy;
So if you were using say jade with express and node you could do something like:
因此，如果您将 say jade 与 express 和 node 一起使用，您可以执行以下操作：
res.render('jadeTemplateName', {
dateNow: function() {
var dateNow = new Date();
var dd = dateNow.getDate();
var monthSingleDigit = dateNow.getMonth() + 1,
mm = monthSingleDigit < 10 ? '0' + monthSingleDigit : monthSingleDigit;
var yy = dateNow.getFullYear().toString().substr(2);
return (mm + '/' + dd + '/' + yy);
}
})
and in your jade template say if you wanted to add the date to a span:
并在您的玉模板中说是否要将日期添加到跨度：
span Today's date is #{dateNow()}
回答by user6016061
add the class .post-date to a tag holding the date
将类 .post-date 添加到保存日期的标签中
document.addEventListener('DOMContentLoaded', function() {
var list = document.getElementsByClassName('post-date');
// get the number of selected elements
// iterate over elements and output their HTML content
for (var i=0; i<list.length; i++){
//console.log(list[i].innerHTML);
var string=list[i].innerHTML;
var length = 15;
var trimmedString = string.substring(0, length);
list[i].innerHTML=trimmedString ;
}
})
回答by user6016061
I found a solution 1.Create a function in pug using - syntax 2.pass the varible to the function when pug.js is binding variables to the pug template
我找到了一个解决方案 1.Create a function in pug using - syntax 2.pass the variable to the function when pug.js is binding variables to the pug template
-function prettyDate(dateString){
-var date = new Date(dateString);
-var d = date.getDate();
-var monthNames = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
-var m = monthNames[date.getMonth()];
-var y = date.getFullYear();
-return d+' '+m+' '+y;
-}
3.span.post-date #{prettyDate(val.date)};
