微信小程序 常用工具類詳解

前言：

做微信小程序當中，會遇到好多的工具類util.js，這里記載下來以便平常使用 (Ps:建議通過目錄查看)

-獲取日期（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}

-獲取動態更新時間

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 '數據出錯'; } 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) + '個月前'; }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) + '小時前'; }else if(minC >= 5){  result = parseInt(minC) + '分鐘前'; }else{  result = '剛剛發表'; } return result;}

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