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jQuery实现的简单日历组件定义与用法示例

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本文实例讲述了jQuery实现的简单日历组件定义与用法。分享给大家供大家参考,具体如下:

说到日历组件,网上一搜一大堆,各种插件啊、集成框架啊实在不少。但是插件有的不合需求,框架嘛依赖关系一大堆,比如jQueryUI、bootstrap等。其实现在我就是想要一个轻量级的日历组件,功能也不需要很强大,只要能兼容所有浏览器,能选择任意年份日期和星期就可以了。

好了,废话不多说,直接上代码:

好了,先引入jQuery库。(发表一下感概:angularJS的数据双向绑定着实让我对jQuery的未来担忧了一阵子,不过jQuery毕竟存在的时间很久,API文档和应用方面实在太广泛了 * _ *,而且jQuery无可厚非是一款相当不错的DOM操作类库,至少我觉得段时间内这个地位无可动摇。所以大家还是大胆地用吧!)

<script type="text/javascript" src="./js/jQuery.min.js"></script>

下面这个是还没压缩的js文件,纯手写哦 ^_^

/*
 * jquery extend: dateField
 * author:jafeney
 * createTime:2015-8-28 (很久之前写的,拿出来炒下冷饭)
 */
jQuery.fn.extend({
  dateField:function(options,callback){
    var self=this,
      _self=$(this),
      _eventType=options.eventType || 'click',
      _style=options.style || 'default',
      _parent=$(this).parent(),
      _nowDate={
        year:new Date().getFullYear(),
        month:new Date().getMonth()+1
      },
      _switchState=0,
      _monthArray=['一月','二月','三月','四月','五月','六月','七月','八月','九月','十月','十一月','十二月'],
      _daysArray=[31,28,31,30,31,30,31,31,30,31,30,31];
    /*init*/
    _self.on(_eventType,function(){
      /*before use this extend,the '_self' must have a container*/
      _self.parent().css('position','relative');
      /*create element as dateField's container*/
      var _container=$("<div class='dateField-container'></div>");
      var _header=$("<div class='dateField-header'>"
          +"<div class='dateField-header-btns'>"
          +"<span class='btn dateField-header-btn-left'>«</span>"
          +"<span class='btn dateField-header-datePicker'>"+_nowDate.year+"年"+_nowDate.month+"月</span>"
          +"<span class='btn dateField-header-btn-right'>»</span>"
          +"</div>"
          +"<ul class='dateField-header-week'><li>日</li><li>一</li><li>二</li><li>三</li><li>四</li><li>五</li><li>六</li></ul>"
          +"</div>");
      var _body=$("<div class='dateField-body'>"+self.getDays(_nowDate.year,_nowDate.month)+"</div>");
      var _footer=$("<div class='dateField-footer'><span class='btn dateField-footer-close'>关闭</span></div>");
      _container.append(_header).append(_body).append(_footer);
      _self.parent().append(_container);
      _self.parent().find('.dateField-container').show();
      /*do callback*/
      if(callback) callback();
    });
    /*some functions*/
    /*get any year and any month's days into a list*/
    self.getDays=function(year,month){
      var _monthDay=self.getMonthDays(year,month);
      var _firstDay=new Date(year+'/'+month+'/'+'01').getDay(); //get this month's first day's weekday
      var returnStr='';
      returnStr+="<ul class='dateField-body-days'>";
      for(var i=1;i<=42;i++){
        if(i<=_monthDay+_firstDay){
          if(i%7===0){
            returnStr+="<li class='dateField-select select-day last'>"+self.filterDay(i-_firstDay)+"</li>";
          }else{
            returnStr+="<li class='dateField-select select-day'>"+self.filterDay(i-_firstDay)+"</li>";
          }
        }else{
          if(i%7===0){
            returnStr+="<li class='dateField-select select-day last'></li>";
          }else{
            returnStr+="<li class='dateField-select select-day'></li>";
          }
        }
      }
      returnStr+="</ul>";
      return returnStr;
    }
    /*filter days*/
    self.filterDay=function(day){
      if(day<=0 || day>31) {
        return '';
      }else{
        return day;
      }
    }
    /*judge any year is LeapYear*/
    self.isLeapYear=function(year){
      var bolRet = false;
      if (0===year%4&&((year%100!==0)||(year%400===0))) {
        bolRet = true;
      }
      return bolRet;
    }
    /*get any year and any month's full days*/
    self.getMonthDays=function(year,month){
      var c=_daysArray[month-1];
      if((month===2) && self.isLeapYear(year)) c++;
      return c;
    }
    /*get this year's months*/
    self.getMonths=function(){
      var returnStr="";
      returnStr="<ul class='dateField-body-days dateField-body-months'>";
      for(var i=0;i<12;i++){
        if((i+1)%3===0){
          returnStr+="<li class='dateField-select select-month last' data-month='"+(i+1)+"'>"+self.switchMonth(i)+"</li>";
        }else{
          returnStr+="<li class='dateField-select select-month' data-month='"+(i+1)+"'>"+self.switchMonth(i)+"</li>";
        }
      }
      returnStr+='</ul>';
      return returnStr;
    }
    /*get siblings 12 years*/
    self.getYears=function(year){
      var returnStr="";
      returnStr="<ul class='dateField-body-days dateField-body-years'>";
      for(var i=0;i<12;i++){
        if((i+1)%3===0){
          returnStr+="<li class='dateField-select select-year last' data-year='"+(year+i)+"'>"+(year+i)+"</li>";
        }else{
          returnStr+="<li class='dateField-select select-year' data-year='"+(year+i)+"'>"+(year+i)+"</li>";
        }
      }
      returnStr+='</ul>';
      return returnStr;
    }
    /*formatDate*/
    self.formatDate=function(date){
      if(date.length===1 || date<10){
        return '0'+date;
      }else{
        return date;
      }
    }
    /*switch month number to chinese*/
    self.switchMonth=function(number){
      return _monthArray[number];
    }
    /*go to prev*/
    _parent.on('click','.dateField-header-btn-left',function(){
      switch(_switchState){
        /*prev month*/
        case 0:
          _nowDate.month--;
          if(_nowDate.month===0){
            _nowDate.year--;
            _nowDate.month=12;
          }
          $(this).siblings('.dateField-header-datePicker').text(_nowDate.year+'年'+_nowDate.month+'月');
          $(this).parent().siblings('ul').show();
          $(this).parent().parent().siblings('.dateField-body').html(self.getDays(_nowDate.year,_nowDate.month));
          break;
        /*next 12 years*/
        case 2:
          _nowDate.year-=12;
          $(this).parent().parent().siblings('.dateField-body').html(self.getYears(_nowDate.year));
          break;
        default:
          break;
      }
    });
    /*go to next*/
    _parent.on('click','.dateField-header-btn-right',function(){
      switch(_switchState){
        /*next month*/
        case 0:
          _nowDate.month++;
          if(_nowDate.month===13){
            _nowDate.year++;
            _nowDate.month=1;
          }
          $(this).siblings('.dateField-header-datePicker').text(_nowDate.year+'年'+_nowDate.month+'月');
          $(this).parent().siblings('ul').show();
          $(this).parent().parent().siblings('.dateField-body').html(self.getDays(_nowDate.year,_nowDate.month));
          break;
        /*next 12 years*/
        case 2:
          _nowDate.year+=12;
          $(this).parent().parent().siblings('.dateField-body').html(self.getYears(_nowDate.year));
          break;
        default:
          break;
      }
    });
    /*switch choose year or month*/
    _parent.on('click','.dateField-header-datePicker',function(){
      switch(_switchState){
        case 0:
          /*switch month select*/
          $(this).parent().siblings('ul').hide();
          $(this).parent().parent().siblings('.dateField-body').html(self.getMonths());
          _switchState=1;
          break;
        case 1:
          /*switch year select*/
          $(this).parent().parent().siblings('.dateField-body').html(self.getYears(_nowDate.year));
          _switchState=2;
          break;
        default:
          break;
      }
    });
    /*select a year*/
    _parent.on('click','.dateField-select.select-year',function(){
      if($(this).text()!==''){
        $(this).parent().children('.dateField-select.select-year').removeClass('active');
        $(this).addClass('active');
        _nowDate.year=$(this).data('year');
        $(this).parent().parent().siblings().find('.dateField-header-datePicker').text(_nowDate.year+'年'+_nowDate.month+'月');
        $(this).parent().parent().parent().find('.dateField-header-week').hide();
        $(this).parent().parent().html(self.getMonths());
        _switchState=1;
      }
    });
    /*select a month*/
    _parent.on('click','.dateField-select.select-month',function(){
      if($(this).text()!==''){
        $(this).parent().children('.dateField-select.select-month').removeClass('active');
        $(this).addClass('active');
        _nowDate.month=$(this).data('month');
        $(this).parent().parent().siblings().find('.dateField-header-datePicker').text(_nowDate.year+'年'+_nowDate.month+'月');
        $(this).parent().parent().parent().find('.dateField-header-week').show();
        $(this).parent().parent().html(self.getDays(_nowDate.year,_nowDate.month));
        _switchState=0;
      }
    });
    /*select a day*/
    _parent.on('click','.dateField-select.select-day',function(){
      if($(this).text()!==''){
        var _day=$(this).text();
        $(this).parent().children('.dateField-select.select-day').removeClass('active');
        $(this).addClass('active');
        var _selectedDate=_nowDate.year+'-'+self.formatDate(_nowDate.month)+'-'+self.formatDate(_day);
        _self.val(_selectedDate).attr('data-Date',_selectedDate);
        _self.parent().find('.dateField-container').remove();
        /*template code: just for this page*/
        $('#check-birthday').removeClass('fail').hide();
      }
    });
    /*close the dateFiled*/
    /*click other field to close the dateField (outclick event)*/
    $(document).on('click',function(e){
      var temp=$(e.target);
      if(temp.hasClass('dateField-container') || temp.hasClass('dateField-header-btn-left') || temp.hasClass('dateField-header-datePicker') || $(e.target).hasClass('dateField-header-btn-right') || $(e.target).hasClass('dateField-select') || $(e.target)[0].id===_self.attr('id')){
        ;
      }else{
        $('.dateField-container').remove();
        _switchState=0;
      }
    });
    return self;
  }
});


            
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