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Detailed explanations and examples of commonly used tools in WeChat mini programs

高洛峰

Feb 25, 2017 am 09:22 AM

Detailed explanation of commonly used tool classes in WeChat mini programs

Foreword:

When making WeChat mini programs, you will encounter many tool classes util.js. Record it here for daily use (Ps: It is recommended to view it through the directory)

-Get the date (formatting)

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(&#39;/&#39;) + &#39; &#39; + [hour, minute, second].map(formatNumber).join(&#39;:&#39;)
}

function formatNumber(n) {
 n = n.toString()
 return n[1] ? n : &#39;0&#39; + n
}

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-Get dynamic update time

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 &#39;数据出错&#39;;
 }
 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) + &#39;年以前&#39;;
 }else if(monthC >= 1){
  result = parseInt(monthC) + &#39;个月前&#39;;
 }else if(weekC >= 1){
  result = parseInt(weekC) + &#39;星期前&#39;;
 }else if(dayC >= 1){
  result = parseInt(dayC) + &#39;天前&#39;;
 }else if(hourC >= 1){
  result = parseInt(hourC) + &#39;小时前&#39;;
 }else if(minC >= 5){
  result = parseInt(minC) + &#39;分钟前&#39;;
 }else{
  result = &#39;刚刚发表&#39;;
 }
 return result;
}

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Thank you for reading, I hope it can help everyone, thank you for your support of this site!

For more detailed explanations and examples of commonly used tools in WeChat mini programs, please pay attention to the PHP Chinese website!

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