註解掉的是預設的css樣式，你可以修改成自己的樣式實現另一個風格，大家參考使用吧
'use strict';
$.fn.calendar = function(options) {
//check is select, if nothing select, return this
if (!this.length) {
if (options && options.debug && window.console) {
console.log("nothing select");
}
return this;
}
var self = $(this);
// default parameter setting
var defaults = {
cssPath: '', //user-define loading path of css file
eventName: 'click', //user-define the event name that triggers the control
onSelectDate: null, //callback function after select date
autoClose: false
};
//inherit user-defined parameter
defaults = $.extend(defaults, options);
//default as data of the day
var d_date = new Date();
var _date = {
year: d_date.getFullYear(),
month: d_date.getMonth() + 1,
day: d_date.getDate(),
week: d_date.getDay()
};
//default template of plugin
var calendarDiv = '
var calendarAction = {
//initialization
initAction: function() {
calendarAction.thisClick();
calendarAction.inputChange();
calendarAction.buttonChange();
calendarAction.chooseDate();
},
//click to display
thisClick: function() {
self.bind(defaults.eventName, function(e) {
calendarAction.showCalendar();
});
},
//when year and month in the input box changes
inputChange: function() {
$('#calendar_year, #calendar_month').bind('change', function() {
var year = $('#calendar_year').val(),
month = $('#calendar_month').val();
if (!/^\d{4}$/.test(year)) {
alert('please input four-digit year');
return false;
}
if (!/^\d{1,2}$/.test(month) || (month > 12 || month <= 0)) {
alert('please input proper month');
return false;
}
//Initialize after year and month changes
init_day_numbers(year, month);
});
},
//click to change year and month
buttonChange: function() {
$('#last-year').bind('click', function() {
var lastYear = parseInt($('#calendar_year').val()) - 1 > 0 ? parseInt($('#calendar_year').val()) - 1 : 1;
$('#calendar_year').val(lastYear);
init_day_numbers(lastYear, $('#calendar_month').val());
});
$('#last-month').bind('click', function() {
var lastMonth = parseInt($('#calendar_month').val()) - 1 > 0 ? parseInt($('#calendar_month').val()) - 1 : 12,
thisYear = lastMonth == 12 ? parseInt($('#calendar_year').val()) - 1 : $('#calendar_year').val();
$('#calendar_month').val(lastMonth);
$('#calendar_year').val(thisYear);
init_day_numbers(thisYear, lastMonth);
});
$('#next-year').bind('click', function() {
var nextYear = parseInt($('#calendar_year').val()) + 1;
$('#calendar_year').val(nextYear);
init_day_numbers(nextYear, $('#calendar_month').val());
});
$('#next-month').bind('click', function() {
var nextMonth = parseInt($('#calendar_month').val()) + 1 <= 12 ? parseInt($('#calendar_month').val()) + 1 : 1,
thisYear = nextMonth == 1 ? parseInt($('#calendar_year').val()) + 1 : $('#calendar_year').val();
$('#calendar_month').val(nextMonth);
$('#calendar_year').val(thisYear);
init_day_numbers(thisYear, nextMonth);
});
},
//set the relative offset between control and webpage, then display
showCalendar: function() {
var o_x = self.offset().left,
o_y = self.offset().top + self[0].offsetHeight;
$('#calendar').css({
'position': 'absolute',
'left': o_x,
'top': o_y,
'display': 'block'
});
},
//close plugin
closeCalendar: function() {
$('#calendar').hide();
},
//select date
chooseDate: function() {
$('.day').live('click', function() {
var _date = $(this).attr('data-date');
//trigger callback function
if ($.isFunction(defaults.onSelectDate)) {
defaults.onSelectDate.call(this, _date);
}
if (defaults.autoClose) {
calendarAction.closeCalendar();
}
});
}
};
//write calendar template in webpage
$('body').append(calendarDiv);
//initialize the year, month, day of calendar list
init_day_numbers(_date.year, _date.month);
//initialize plugin action
calendarAction.initAction();
function init_day_numbers(year, month) {
var maxday = getmaxDay(year, month),
firstWeek,beforeNumber,
startIndex = beforeNumber = firstWeek = getFirstWeek(year, month),
afterNumber = 35 - maxday - beforeNumber,
lastMonthMaxDay = getMaxDayByLastMonth(year, month),
nextMonthMaxDay = getMaxDayByNextMonth(year, month),
Edge = getLastAndNextDate(year, month);
var default_html = '';
for (var k = 0; k < 35; k++) {
default_html += '
function getLastAndNextDate(year, month) {
var lastM = month - 1 > 0 ? month - 1 : 12,
lastY = lastM == 12 ? year - 1 : year,
nextM = month + 1 > 12 ? 1 : month + 1,
nextY = nextM == 1 ? year + 1 : year;
return {
lastM: lastM,
lastY: lastY,
nextM: nextM,
nextY: nextY
};
}
//obtain what the first day of one month is in a week
function getFirstWeek(year, month) {
var date = new Date(year, month - 1, 1);
return date.getDay();
}
//obtain the year, month, day of today
function getToday() {
var date = new Date();
return today = [date.getFullYear(), date.getMonth() + 1, date.getDate(), date.getDay()];
}
//obtain the number of days for a month
function getmaxDay(year, month) {
var date = new Date(year, month, 0);
return date.getDate();
}
//obtain the number of days for last month
function getMaxDayByLastMonth(year, month) {
month = month - 1 <= 0 ? 12 : month - 1;
year = month == 12 ? year - 1 : year;
return getmaxDay(year, month);
}
//obtain the number of days for next month
function getMaxDayByNextMonth(year, month) {
month = month + 1 > 12 ? 1 : month + 1;
year = month == 1 ? year + 1 : year;
return getmaxDay(year, month);
}
//obtain the days list of a certain year and month, return array
function getDayList(year, month) {
var _list = [],
maxday = getmaxDay(year, month),
month = month - 1;
for (var i = 1; i <= maxday; i++) {
var d = new Date(year, month, i);
_list[i - 1] = d.getDay();
}
return _list;
}
}
})(jQuery, window);
/*
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