微信小程序 常用工具类详解及实例

functionformatTime(date) {

 varyear = date.getFullYear()

 varmonth = date.getMonth() + 1

 varday = date.getDate()

 varhour = date.getHours()

 varminute = date.getMinutes()

 varsecond = date.getSeconds()

 return[year, month, day].map(formatNumber).join('/') +' '+ [hour, minute, second].map(formatNumber).join(':')

}

functionformatNumber(n) {

 n = n.toString()

 returnn[1] ? n :Ɔ'+ n

}

functiongetDateDiff (dateTimeStamp) {

 varminute = 1000 * 60;

 varhour = minute * 60;

 varday = hour * 24;

 varhalfamonth = day * 15;

 varmonth = day * 30;

 varyear = day * 365;

 varnow =newDate().getTime();

 vardiffValue = now - dateTimeStamp;

 if(diffValue < 0){

  //非法操作

  return'数据出错'

 }

 varyearC = diffValue / year;

 varmonthC = diffValue / month;

 varweekC = diffValue / (7 * day);

 vardayC = diffValue / day;

 varhourC = diffValue / hour;

 varminC = diffValue / minute;

 if(yearC >= 1){

  result = parseInt(yearC) +'年以前'

 }elseif(monthC >= 1){

  result = parseInt(monthC) +'个月前'

 }elseif(weekC >= 1){

  result = parseInt(weekC) +'星期前'

 }elseif(dayC >= 1){

  result = parseInt(dayC) +'天前'

 }elseif(hourC >= 1){

  result = parseInt(hourC) +'小时前'

 }elseif(minC >= 5){

  result = parseInt(minC) +'分钟前'

 }else{

  result ='刚刚发表'

 }

 returnresult;

}