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optimized codes and fix negative month bug @ Lunar.getXiu()

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This commit is contained in:
6tail
2019-05-05 17:17:13 +08:00
parent 34cf0e494a
commit 951d4bfb32
1 changed files with 58 additions and 64 deletions
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122
lunar.js
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@@ -4,7 +4,7 @@
return _fromYmd(date.getFullYear(),date.getMonth()+1,date.getDate());
};
var _fromYmd = function(y,m,d){
var solar = {
return {
_p:{
year:y,
month:m,
@@ -88,7 +88,6 @@
return Lunar.fromDate(this._p.calendar);
}
};
return solar;
};
return {
fromYmd:function(y,m,d){return _fromYmd(y,m,d);},
@@ -118,12 +117,12 @@
lunarM = 11;
lunarD = 25;
}
var diff = 0;
for(var i=startY;i<y;i++){
var diff = 0,i;
for(i=startY;i<y;i++){
diff += 365;
if(SolarUtil.isLeapYear(i)) diff += 1;
}
for(var i=startM;i<m;i++){
for(i=startM;i<m;i++){
diff += SolarUtil.getDaysOfMonth(y,i);
}
diff += d-startD;
@@ -132,7 +131,7 @@
while(lunarD>lastDate){
lunarD -= lastDate;
lunarM = LunarUtil.nextMonth(lunarY,lunarM);
if(lunarM==1) lunarY++;
if(lunarM===1) lunarY++;
lastDate = LunarUtil.getDaysOfMonth(lunarY,lunarM);
}
return _fromYmd(lunarY,lunarM,lunarD,solar);
@@ -154,8 +153,8 @@
while(true){
diff += LunarUtil.getDaysOfMonth(y,m);
m = LunarUtil.nextMonth(y,m);
if(m==1) y++;
if(y==this._p.year&&m==this._p.month){
if(m===1) y++;
if(y===this._p.year&&m===this._p.month){
diff += this._p.day;
break;
}
@@ -204,10 +203,10 @@
index++;
}
var term = LunarUtil.JIE_MAP[solarMonth-1][4*index+ry%4];
if(ry==121&&solarMonth==4) term = 5;
if(ry==132&&solarMonth==4) term = 5;
if(ry==194&&solarMonth==6) term = 6;
if(solarDay==term) s = LunarUtil.JIE[solarMonth-1];
if(ry===121&&solarMonth===4) term = 5;
if(ry===132&&solarMonth===4) term = 5;
if(ry===194&&solarMonth===6) term = 6;
if(solarDay===term) s = LunarUtil.JIE[solarMonth-1];
return s;
},
getQi:function(){
@@ -221,13 +220,13 @@
index++;
}
var term = LunarUtil.QI_MAP[solarMonth-1][4*index+ry%4];
if(ry==171&&solarMonth==3) term = 21;
if(ry==181&&solarMonth==5) term = 21;
if(solarDay==term) s = LunarUtil.QI[solarMonth-1];
if(ry===171&&solarMonth===3) term = 21;
if(ry===181&&solarMonth===5) term = 21;
if(solarDay===term) s = LunarUtil.QI[solarMonth-1];
return s;
},
getXiu:function(){
return LunarUtil.XIU[this._p.day-1][this._p.month-1];
return LunarUtil.XIU[this._p.day-1][Math.abs(this._p.month)-1];
},
getZheng:function(){
return LunarUtil.ZHENG[this.getXiu()];
@@ -282,7 +281,7 @@
return _fromYmd(date.getFullYear(),date.getMonth()+1,date.getDate(),start);
};
var _fromYmd = function(y,m,d,start){
var solarWeek = {
return {
_p:{
year:y,
month:m,
@@ -304,7 +303,7 @@
},
/**
* 获取当前日期是在当月第几周
* @return 周序号，从1开始
* @return number 周序号，从1开始
*/
getIndex:function(){
var firstDate = new Date(this._p.year+'/'+this._p.month+'/1');
@@ -315,26 +314,27 @@
* 周推移
* @param weeks 推移的周数，负数为倒推
* @param separateMonth 是否按月单独计算
* @return 推移后的阳历周
* @return object 推移后的阳历周
*/
next:function(weeks,separateMonth){
if(0==weeks){
if(0===weeks){
return _fromYmd(this._p.year,this._p.month,this._p.day,this._p.start);
}
var date;
if(separateMonth){
var n = weeks;
var date = new Date(this._p.year+'/'+this._p.month+'/'+this._p.day);
date = new Date(this._p.year+'/'+this._p.month+'/'+this._p.day);
var week = _fromDate(date,this._p.start);
var month = this._p.month;
var plus = n>0;
while(0!=n){
while(0!==n){
date.setDate(date.getDate()+(plus?7:-7));
week = _fromDate(date,this._p.start);
var weekMonth = week.getMonth();
if(month!=weekMonth){
if(month!==weekMonth){
var index = week.getIndex();
if(plus){
if(1==index){
if(1===index){
var firstDay = week.getFirstDay();
week = _fromYmd(firstDay.getYear(),firstDay.getMonth(),firstDay.getDay(),this._p.start);
weekMonth = week.getMonth();
@@ -344,9 +344,8 @@
}
}else{
var size = SolarUtil.getWeeksOfMonth(week.getYear(),week.getMonth(),this._p.start);
if(size==index){
var firstDay = week.getFirstDay();
var lastDay = firstDay.next(6);
if(size===index){
var lastDay = week.getFirstDay().next(6);
week = _fromYmd(lastDay.getYear(),lastDay.getMonth(),lastDay.getDay(),this._p.start);
weekMonth = week.getMonth();
}else{
@@ -360,14 +359,14 @@
}
return week;
}else{
var date = new Date(this._p.year+'/'+this._p.month+'/'+this._p.day);
date = new Date(this._p.year+'/'+this._p.month+'/'+this._p.day);
date.setDate(date.getDate()+weeks*7);
return _fromDate(date,this._p.start);
}
},
/**
* 获取本周第一天的阳历日期（可能跨月）
* @return 本周第一天的阳历日期
* @return object 本周第一天的阳历日期
*/
getFirstDay:function(){
var date = new Date(this._p.year+'/'+this._p.month+'/'+this._p.day);
@@ -381,13 +380,13 @@
},
/**
* 获取本周第一天的阳历日期（仅限当月）
* @return 本周第一天的阳历日期
* @return object 本周第一天的阳历日期
*/
getFirstDayInMonth:function(){
var days = this.getDays();
for(var i = 0;i<days.length;i++){
var day = days[i];
if(this._p.month==day.getMonth()){
if(this._p.month===day.getMonth()){
return day;
}
}
@@ -395,7 +394,7 @@
},
/**
* 获取本周的阳历日期列表（可能跨月）
* @return 本周的阳历日期列表
* @return Array 本周的阳历日期列表
*/
getDays:function(){
var firstDay = this.getFirstDay();
@@ -408,14 +407,14 @@
},
/**
* 获取本周的阳历日期列表（仅限当月）
* @return 本周的阳历日期列表（仅限当月）
* @return Array 本周的阳历日期列表（仅限当月）
*/
getDaysInMonth:function(){
var days = this.getDays();
var l = [];
for(var i = 0;i<days.length;i++){
var day = days[i];
if(this._p.month!=day.getMonth()){
if(this._p.month!==day.getMonth()){
continue;
}
l.push(day);
@@ -429,7 +428,6 @@
return this.getYear()+'年'+this.getMonth()+'月第'+this.getIndex()+'周';
}
};
return solarWeek;
};
return {
/**
@@ -438,14 +436,14 @@
* @param m 月份
* @param d 日期
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @return 阳历周
* @return object 阳历周
*/
fromYmd:function(y,m,d,start){return _fromYmd(y,m,d,start);},
/**
* 指定日期生成当天所在的阳历周
* @param date 日期
* @param start 星期几作为一周的开始，1234560分别代表星期一至星期天
* @return 阳历周
* @return object 阳历周
*/
fromDate:function(date,start){return _fromDate(date,start);}
};
@@ -455,7 +453,7 @@
return _fromYm(date.getFullYear(),date.getMonth()+1);
};
var _fromYm = function(y,m){
var solarMonth = {
return {
_p:{
year:y,
month:m,
@@ -497,7 +495,6 @@
return this.getYear()+'年'+this.getMonth()+'月';
}
};
return solarMonth;
};
return {
fromYm:function(y,m){return _fromYm(y,m);},
@@ -509,7 +506,7 @@
return _fromYm(date.getFullYear(),date.getMonth()+1);
};
var _fromYm = function(y,m){
var solarSeason = {
return {
_p:{
year:y,
month:m,
@@ -523,7 +520,7 @@
},
/**
* 获取当月是第几季度
* @return 季度序号，从1开始
* @return number 季度序号，从1开始
*/
getIndex:function(){
return Math.ceil(this._p.month/3);
@@ -531,10 +528,10 @@
/**
* 季度推移
* @param seasons 推移的季度数，负数为倒推
* @return 推移后的季度
* @return object 推移后的季度
*/
next:function(seasons){
if(0==seasons){
if(0===seasons){
return _fromYm(this._p.year,this._p.month);
}
var date = new Date(this._p.year+'/'+this._p.month+'/1');
@@ -543,7 +540,7 @@
},
/**
* 获取本季度的月份
* @return 本季度的月份列表
* @return Array 本季度的月份列表
*/
getMonths:function(){
var l = [];
@@ -560,7 +557,6 @@
return this.getYear()+'年'+this.getIndex()+'季度';
}
};
return solarSeason;
};
return {
fromYm:function(y,m){return _fromYm(y,m);},
@@ -572,7 +568,7 @@
return _fromYm(date.getFullYear(),date.getMonth()+1);
};
var _fromYm = function(y,m){
var solarHalfYear = {
return {
_p:{
year:y,
month:m,
@@ -586,7 +582,7 @@
},
/**
* 获取当月是第几半年
* @return 半年序号，从1开始
* @return number 半年序号，从1开始
*/
getIndex:function(){
return Math.ceil(this._p.month/6);
@@ -594,10 +590,10 @@
/**
* 半年推移
* @param halfYears 推移的半年数，负数为倒推
* @return 推移后的半年
* @return object 推移后的半年
*/
next:function(halfYears){
if(0==halfYears){
if(0===halfYears){
return _fromYm(this._p.year,this._p.month);
}
var date = new Date(this._p.year+'/'+this._p.month+'/1');
@@ -606,7 +602,7 @@
},
/**
* 获取本半年的月份
* @return 本半年的月份列表
* @return Array 本半年的月份列表
*/
getMonths:function(){
var l = [];
@@ -623,7 +619,6 @@
return this.getYear()+'年'+['上','下'][this.getIndex()-1]+'半年';
}
};
return solarHalfYear;
};
return {
fromYm:function(y,m){return _fromYm(y,m);},
@@ -635,7 +630,7 @@
return _fromYear(date.getFullYear());
};
var _fromYear = function(y){
var solarYear = {
return {
_p:{
year:y,
calendar:new Date(y+'/1/1')
@@ -664,7 +659,6 @@
return this.getYear()+'年';
}
};
return solarYear;
};
return {
fromYear:function(y){return _fromYear(y);},
@@ -674,9 +668,9 @@
var SolarUtil = (function(){
var _isLeapYear = function(year){
var leap = false;
if(year%4==0) leap = true;
if(year%100==0) leap = false;
if(year%400==0) leap = true;
if(year%4===0) leap = true;
if(year%100===0) leap = false;
if(year%400===0) leap = true;
return leap;
};
return {
@@ -692,7 +686,7 @@
getDaysOfMonth:function(year,month){
var m = month-1;
var d = this.DAYS_OF_MONTH[m];
if(m==1&&this.isLeapYear(year)){
if(m===1&&this.isLeapYear(year)){
d++;
}
return d;
@@ -767,11 +761,11 @@
var index = y-this.BASE_YEAR+this.BASE_INDEX;
var v = this.LUNAR_MONTH[2*index+1];
v = (v>>4)&0x0F;
if(v==m){
if(v===m){
n = -m;
}
}
if(n==13) n = 1;
if(n===13) n = 1;
return n;
},
getDaysOfMonth:function(year,month){
@@ -780,24 +774,24 @@
if(1<=month&&month<=8){
v = this.LUNAR_MONTH[2*index];
l = month-1;
if(((v>>l)&0x01)==1){
if(((v>>l)&0x01)===1){
d = 29;
}
}else if(9<=month&&month<=12){
v = this.LUNAR_MONTH[2*index+1];
l = month-9;
if(((v>>l)&0x01)==1){
if(((v>>l)&0x01)===1){
d = 29;
}
}else{
v = this.LUNAR_MONTH[2*index+1];
v = (v>>4)&0x0F;
if(v!=Math.abs(month)){
if(v!==Math.abs(month)){
d = 0;
}else{
d = 29;
for(var i = 0;i<this.LEAP_MONTH_YEAR.length;i++){
if(this.LEAP_MONTH_YEAR[i]==index){
if(this.LEAP_MONTH_YEAR[i]===index){
d = 30;
break;
}
@@ -817,4 +811,4 @@
W.SolarSeason = SolarSeason;
W.SolarHalfYear = SolarHalfYear;
W.SolarYear = SolarYear;
})(window);
})(window);