Detailed explanation of commonly used tools in mini programs-Mini Program Development-php.cn

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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