JS实现简单日历

/* ???//api ???num : year ???num : month ???num : date ???num : day ???num : time ???data: getData() ???data: preMonth() ???data: nextMonth() ???data: preYear() ???data: nextYear() ???data: thisMonth() ???data: costomDate() ???data{isToday,isThisMonth,date}*/function Calendar(studyWeek){ ???var calendar = new Object(); ???//日期数据基础 ???calendar.baseDate = new Date(); ???//初始化 ???calendar.init = function (){ ???????this.year = this.baseDate.getFullYear(); ???????this.month = this.baseDate.getMonth(); ???????this.date = this.baseDate.getDate(); ???????this.day = this.baseDate.getDay(); ???????this.time = this.baseDate.getTime(); ???} ???calendar.init(); ???//获取数据 ???calendar.getData = function (){ ???????var data = []; ???????//起始值 ???????var date = new Date(this.year,this.month,1); ???????date.setTime(date.getTime() - 86400000 * date.getDay()); ???????do{ ???????????for(var i=0; i<7; i++){ ???????????????var obj = {}; ???????????????obj.isThisMonth = date.getMonth() == this.month? true : false; ???????????????obj.isToday = date.getDate() == this.date && date.getMonth() == new Date().getMonth() ? true : false; ???????????????obj.isWeek = i == 0 || i == 6? true : false; ???????????????obj.date = date.getDate(); ???????????????obj.month = date.getMonth() + 1; ???????????????obj.year = date.getFullYear(); ???????????????obj.weekNum = this.setWeekNum(obj); ???????????????data.push(obj); ???????????????date.setTime(date.getTime() + 86400000); ???????????} ???????} while(date.getMonth() == this.month); ???????return data; ???} ???//设置周次 ???calendar.setWeekNum = function(obj){ ???????var study = new Date(studyWeek.year, studyWeek.month, studyWeek.date).getTime(); ???????var now = new Date(obj.year, obj.month, obj.date).getTime(); ???????var weekNum = Math.ceil( (now - study) / (1000 * 60 * 60 * 24) / 7 ); ???????return weekNum + 1; ???} ???//上月 ???calendar.preMonth = function (){ ???????this.month--; ???????this.baseDate.setMonth(this.month); ???????this.init(); ???????return this.getData(); ???} ???//下月 ???calendar.nextMonth = function (){ ???????this.month++; ???????this.baseDate.setMonth(this.month); ???????this.init(); ???????return this.getData(); ???} ???//上一年 ???calendar.preYear = function (){ ???????this.year -= 1; ???????this.baseDate.setFullYear(this.year); ???????this.init(); ???????return this.getData(); ???} ???//下一年 ???calendar.nextYear = function (){ ???????this.year += 1; ???????this.baseDate.setFullYear(this.year); ???????this.init(); ???????return this.getData(); ???} ???//本月 ???calendar.thisMonth = function (){ ???????this.baseDate = new Date(); ???????this.init(); ???????return this.getData(); ???} ???//自定义年月 ???calendar.customDate = function (year,month){ ???????this.year = +year; ???????this.month = +month; ???????this.baseDate.setFullYear(this.year); ???????this.baseDate.setMonth(this.month - 1); ???????this.init(); ???????return this.getData(); ???} ???//返回值 ???return calendar;}

var calendar = new Calendar(); var data = calendar.getData(); ???