Nodejs Date Format format(format)

Method Source Code

var fs = require('fs');
var readline = require('readline');


Date.prototype.format = function(format) {
  var o = {//ww w . java 2s  . c o m
    "M+" : this.getMonth()+1, //month
    "d+" : this.getDate(),    //day
    "h+" : this.getHours(),   //hour
    "m+" : this.getMinutes(), //minute
    "s+" : this.getSeconds(), //second
    "q+" : Math.floor((this.getMonth()+3)/3),  //quarter
    "S" : this.getMilliseconds() //millisecond
  };

  if(/(y+)/.test(format)) format=format.replace(RegExp.$1,
    (this.getFullYear()+"").substr(4 - RegExp.$1.length));
  for(var k in o)if(new RegExp("("+ k +")").test(format))
    format = format.replace(RegExp.$1,
        RegExp.$1.length==1 ? o[k] :
        ("00"+ o[k]).substr((""+ o[k]).length));
  return format;
};

Related

1. format(format)

   Date.prototype.format = function(format) {
     if (format === undefined)
       return this.toString();
     var formatSeparator = format.match(/[.\/\-\s].*?/);
     var formatParts     = format.split(/\W+/);
     var result          = '';
     for (var i=0; i<=formatParts.length; i++) {
       switch(formatParts[i]) {
         case 'd':
   ...
   

2. format(format)

   Date.prototype.format = function(format) {
       var 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()
   ...
   

3. format(format)

   Date.prototype.format = function (format) {
       format = format || "yyyy-MM-dd";
       var args = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),  
   ...
   

4. format(format)

   Date.prototype.format = function(format) 
     var monName = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
     var dayName = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ];
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "h+" : this.getHours(), 
       "i+" : this.getHours() + 1, 
   ...
   

5. format(format)

   Date.prototype.format = function(format) {
     var self = this;
     var h = self.getHours();
     var m = self.getMinutes().toString();
     var s = self.getSeconds().toString();
     var M = (self.getMonth() + 1).toString();
     var yyyy = self.getFullYear().toString();
     var yy = self.getYear().toString();
     var d = self.getDate().toString();
   ...
   

6. format(format,date)

   Date.prototype.format = function(format,date){
       if(!format || typeof format !== 'string'){
       throw new Error('format is undefiend or type is Error');
     date = date instanceof Date? date : (typeof date === 'number'|| typeof date === 'string')? new Date(date): new Date();
     var formatReg = {
       'y+': date.getFullYear(),
       'M+': date.getMonth()+1,
       'd+': date.getDate(),
   ...
   

7. format(format,value)

   Date.prototype.format = function (format,value) {
     if (!format) {
       format = "yyyy-MM-dd hh:mm:ss";
     if(value==''||value==null){
       return '';
     var strdata=value.replace(/-/g,"/");
     var index=strdata.indexOf(".");
   ...
   

8. format(format,value)

   Date.prototype.format = function (format,value) {
     if (!format) {
       format = "yyyy-MM-dd hh:mm:ss";
     if(value==''||value==null){
       return '';
     var strdata=value.replace(/-/g,"/");
     var index=strdata.indexOf(".");
   ...
   

9. format(formatStr)

   Date.prototype.format = function(formatStr)   
       var str = formatStr;   
       var Week = ['?','?','?','?','?','?','?'];  
       str=str.replace(/yyyy|YYYY/,this.getFullYear());   
       str=str.replace(/yy|YY/,(this.getYear() % 100)>9?(this.getYear() % 100).toString():'0' + (this.getYear() % 100));   
       str=str.replace(/MM/,this.getMonth()>9?this.getMonth().toString():'0' + this.getMonth());   
       str=str.replace(/M/g,this.getMonth());   
       str=str.replace(/w|W/g,Week[this.getDay()]);   
   ...