The following codes can display a random date within a month after the specified fair date.
$ meteor create randomDate
$ cd randomDate
$ meteor add momentjs:moment
$ cat randomDate.html
<head>
<title>Random Date</title>
</head>
<body>
在 展会日期 输入框中输入日期，例如：2015-05-25，然后点击 评论 按钮。
<hr>
{{> DatePanel}}
</body>
<template name="DatePanel">
<label>展会日期：</label>
<input type="text" id="fairDate">
<button>评论</button>
<p>评论添加日期：{{commentDate}}</p>
</template>
$ cat randomDate.js
if (Meteor.isClient) {
Template.DatePanel.helpers({
commentDate: function () {
return Session.get('commentDate');
}
});
Template.DatePanel.events({
'click button': function (e, t) {
var dateStr = t.find("#fairDate").value;
var fairDate = moment(dateStr);
var randomDays = Math.floor((Math.random() * 30) + 1);
var commentDate = fairDate.add(randomDays, 'days');
var commStr = commentDate.format("YYYY-MM-DD");
Session.set('commentDate', commStr);
}
});
}
$ meteor