Nodejs Date Format formatStr()

Method Source Code

Date.prototype.formatStr=function(){
    function convert2fixed(str){
        var _num=Number(str);
        if(!isNaN(str)){
            if(_num<10){
                return '0'+_num;
            }else// www. jav a  2s.  com
            {
            return _num;
            }
        }
        return 0;
    }
    var _year=this.getFullYear(),
        _month=this.getMonth()+1,
        _day=this.getDate(),
        _hours=convert2fixed(this.getHours()),
        _minutes=convert2fixed(this.getMinutes()),
        _seconds=convert2fixed(this.getSeconds());
    return _year+"-"+_month+"-"+_day+" "+_hours+":"+_minutes+":"+_seconds;
}

Related

1. formatDate(format)

   Date.prototype.formatDate = function (format) {
       var date = this,
           day = date.getDate(),
           month = date.getMonth() + 1,
           year = date.getFullYear(),
           hours = date.getHours(),
           minutes = date.getMinutes(),
           seconds = date.getSeconds();
       if (!format) {
   ...
   

2. formatDate(format)

   Date.prototype.formatDate = function(format) {
     var months = new Array("Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec");
     var yyyy = this.getFullYear();
     var yy = yyyy.toString().substring(2);
     var m = this.getMonth() + 1;
     var mm = m < 10 ? "0" + m : m;
     var mmm = months[m - 1];
     var d = this.getDate();
     var dd = d < 10 ? "0" + d : d;
   ...
   

3. formatDay(pattern, dayNames = [], monthnames = [])

   Date.prototype.formatDay = function (pattern, dayNames = [], monthnames = []) {
       pattern = pattern.replace(/dddd/g, dayNames[this.getDay()]);
       pattern = pattern.replace(/dd/g, this.getDate().toString().padLeft(2, 0));
       pattern = pattern.replace(/mmm/g, monthnames[this.getMonth()]);
       pattern = pattern.replace(/mm/g, (this.getMonth() + 1).toString().padLeft(2, 0));
       pattern = pattern.replace(/yyyy/g, this.getFullYear().toString());
       pattern = pattern.replace(/yy/g, this.getFullYear().toString().substr(2, 2));
       return pattern;
   };
   ...
   

4. formatMMDD()

   Date.prototype.formatMMDD = function () {
      return this.getMonth() + 1 + '/' + this.getDate();
   };
   

5. formatMMDDYYYY()

   Date.prototype.formatMMDDYYYY = function () {
      return this.getMonth() + 1 + '/' + this.getDate() + '/' + this.getFullYear();
   };
   

6. formatTime(date)

   function formatTime(date) {
     if(date instanceof Date === false) {
       return console.log('err');
     var hour = pad(date.getHours());
     var minute = pad(date.getMinutes());
     return [hour, minute].join(':');
   

7. formatTime(pattern)

   Date.prototype.formatTime = function (pattern) {
       pattern = pattern.replace(/hh/g, this.getHours().toString().padLeft(2, 0));
       pattern = pattern.replace(/mm/g, this.getMinutes().toString().padLeft(2, 0));
       return pattern;
   };
   

8. formateDate()

   Date.prototype.formateDate = function() {
     var mm = this.getMonth() + 1;
     var dd = this.getDate();
     return [this.getFullYear(), !mm[1] && '0', mm, !dd[1] && '0', dd].join('');
   };
   

9. formatf(format)

   Date.prototype.format = function f(format) {
       const o = {
           'M+': this.getMonth() + 1,
           'd+': this.getDate(),
           'h+': this.getHours(),
           'm+': this.getMinutes(),
           's+': this.getSeconds(),
           'q+': Math.floor((this.getMonth() + 3) / 3),
           S: this.getMilliseconds(),
   ...