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微信小程序 常用工具类详解
前言：
做微信小程序当中，会遇到好多的工具类util.js，这里记载下来以便平常使用 (Ps:建议通过目录查看)
-获取日期（格式化）
function formatTime(date) {
var year = date.getFullYear()
var month = date.getMonth() + 1
var day = date.getDate()
var hour = date.getHours()
var minute = date.getMinutes()
var second = date.getSeconds()
return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}
function formatNumber(n) {
n = n.toString()
return n[1] ? n : '0' + n
}
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-获取动态更新时间
function getDateDiff (dateTimeStamp) {
var minute = 1000 * 60;
var hour = minute * 60;
var day = hour * 24;
var halfamonth = day * 15;
var month = day * 30;
var year = day * 365;
var now = new Date().getTime();
var diffValue = now - dateTimeStamp;
if(diffValue < 0){
//非法操作
return '数据出错';
}
var yearC = diffValue / year;
var monthC = diffValue / month;
var weekC = diffValue / (7 * day);
var dayC = diffValue / day;
var hourC = diffValue / hour;
var minC = diffValue / minute;
if(yearC >= 1){
result = parseInt(yearC) + '年以前';
}else if(monthC >= 1){
result = parseInt(monthC) + '个月前';
}else if(weekC >= 1){
result = parseInt(weekC) + '星期前';
}else if(dayC >= 1){
result = parseInt(dayC) + '天前';
}else if(hourC >= 1){
result = parseInt(hourC) + '小时前';
}else if(minC >= 5){
result = parseInt(minC) + '分钟前';
}else{
result = '刚刚发表';
}
return result;
}
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