Nodejs Date Format format(format,value)

Method Source Code

Date.prototype.format = function (format,value) {
   /*/*from  w  w w.  j  a v  a 2  s.  c o  m*/
    * eg:format="yyyy-MM-dd hh:mm:ss";
    */
   if (!format) {
      format = "yyyy-MM-dd hh:mm:ss";
   }
   if(value==''||value==null){
      return '';
   }
   var strdata=value.replace(/-/g,"/");
   var index=strdata.indexOf(".");
   if(index>0)
   {
      strdata=strdata.substr(0,index);
   }
   var date= new Date(Date.parse(strdata));
   var o = {
      "M+" : date.getMonth() + 1, // month
      "d+" : date.getDate(), // day
      "h+" : date.getHours(), // hour
      "m+" : date.getMinutes(), // minute
      "s+" : date.getSeconds(), // second
      "q+" : Math.floor((date.getMonth() + 3) / 3), // quarter
      "S" : date.getMilliseconds()
      // millisecond
   };
   
   if (/(y+)/.test(format)) {
      format = format.replace(RegExp.$1, strdata.substr(4-RegExp.$1.length,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) {
       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),  
   ...
   

2. 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, 
   ...
   

3. 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();
   ...
   

4. format(format)

   var fs = require('fs');
   var readline = require('readline');
   Date.prototype.format = function(format) {
     var o = {
       "M+" : this.getMonth()+1, 
       "d+" : this.getDate(),    
       "h+" : this.getHours(),   
       "m+" : this.getMinutes(), 
       "s+" : this.getSeconds(), 
   ...
   

5. 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(),
   ...
   

6. 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(".");
   ...
   

7. 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()]);   
   ...
   

8. 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()]);
       str = str.replace(/dd|DD/,this.getDate()>9?this.getDate().toString():'0' + this.getDate());
   ...
   

9. format(formatStr)

   Date.prototype.format= function(formatStr) 
   var date = this;
   var timeValues = function(){};
   timeValues.prototype = {
      year:function(){
       if(formatStr.indexOf("yyyy")>=0)
        return date.getYear();
   ...