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微信小程序学习用demo：日历：公历农历转换，calendar-convert
发布时间:2020-10-23
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//morningf@foxmail.com
var ccFile = require('../../utils/calendar-converter.js')
var calendarConverter = new ccFile.CalendarConverter();
//月份天数表
var DAY_OF_MONTH = [
[31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31],
[31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
];
//判断当前年是否闰年
var isLeapYear = function(year){
if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0))
return 1
else
return 0
};
//获取当月有多少天
var getDayCount = function(year, month){
return DAY_OF_MONTH[isLeapYear(year)][month];
};
//获取当前索引下是几号
var getDay = function(index) {
return index - curDayOffset;
};
var pageData = {
date: "", //当前日期字符串
//arr数据是与索引对应的数据信息
arrIsShow: [], //是否显示此日期
arrDays: [], //关于几号的信息
arrInfoEx: [], //农历节假日等扩展信息
arrInfoExShow: [], //处理后用于显示的扩展信息
//选择一天时显示的信息
detailData: {
curDay: "", //detail中显示的日信息
curInfo1: "",
curInfo2: "",
}
}
//设置当前详细信息的索引，前台的详细信息会被更新
var setCurDetailIndex = function(index){
var curEx = pageData.arrInfoEx[index];
curDay = curEx.sDay - 1;
pageData.detailData.curDay = curEx.sDay;
pageData.detailData.curInfo1 = "农历" + curEx.lunarMonth + "月" + curEx.lunarDay;
pageData.detailData.curInfo2 = curEx.cYear+curEx.lunarYear + "年 " + curEx.cMonth + "月 " + curEx.cDay + "日 " + curEx.lunarFestival;
}
//刷新全部数据
var refreshPageData = function(year, month, day){
pageData.date = year+'年'+(month+1)+'月';
var offset = new Date(year, month, 1).getDay();
for (var i = 0; i < 42; ++i)
{
pageData.arrIsShow[i] = i < offset || i >= getDayCount(year, month) + offset ? false : true;
pageData.arrDays[i] = i - offset + 1;
var d = new Date(year, month, i - offset + 1);
var dEx = calendarConverter.solar2lunar(d);
pageData.arrInfoEx[i] = dEx;
if ("" != dEx.lunarFestival)
{
pageData.arrInfoExShow[i] = dEx.lunarFestival;
}
else if ("初一" === dEx.lunarDay)
{
pageData.arrInfoExShow[i] = dEx.lunarMonth + "月";
}
else
{
pageData.arrInfoExShow[i] = dEx.lunarDay;
}
}
setCurDetailIndex(offset + day);
};
var curDate = new Date();
var curMonth = curDate.getMonth();
var curYear = curDate.getFullYear();
var curDay = curDate.getDay();
refreshPageData(curYear, curMonth, curDay);
Page({
data: pageData,
onLoad: function(options){
},
goToday: function(e){
curDate = new Date();
curMonth = curDate.getMonth();
curYear = curDate.getFullYear();
curDay = curDate.getDay();
refreshPageData(curYear, curMonth, curDay);
this.setData(pageData);
},
goLastMonth: function(e){
if (0 == curMonth)
{
curMonth = 11;
--curYear
}
else
{
--curMonth;
}
refreshPageData(curYear, curMonth, 0);
this.setData(pageData);
},
goNextMonth: function(e){
if (11 == curMonth)
{
curMonth = 0;
++curYear
}
else
{
++curMonth;
}
refreshPageData(curYear, curMonth, 0);
this.setData(pageData);
},
selectDay: function(e){
setCurDetailIndex(e.currentTarget.dataset.dayIndex);
this.setData({
detailData: pageData.detailData,
})
},
bindDateChange: function(e){
var arr = e.detail.value.split("-");
refreshPageData(+arr[0], arr[1]-1, arr[2]-1);
this.setData(pageData);
},
});
示例代码：
