vue实现自定义日期组件功能的实例代码

Vue.component('sc-calendar',{
  template:'
' +
  '
' +
    '
 < 
' +
    '{{currentYear}}年' +
    '{{currentMonth}}月' +
    '
 > 
' +
  '
' +
  '
' +
    '
' +
      '
{{item}}
' +
    '
' +
    '
' +
      '
{{item.text}}
' +
    '
' +
  '
' +
  '
',
  data:function(){
    return {
      weeks: ['日', '一', '二', '三', '四', '五', '六'],
      dayList:[],
      currentYear:'',
      currentMonth: ''
    }
  },
  created:function(){
    var date=new Date;
    this.currentYear = date.getFullYear();
    this.currentMonth = date.getMonth()+1;
    this.calDay(this.currentYear, this.currentMonth);
  },
  methods:{
    //计算指定月份的天数
    calDay:function(year,month){
      var oDate = new Date();
      //setFullYear(year,month,day) 方法用于设置年份,返回调整过的日期的毫秒表示。
      oDate.setFullYear(year, month-1,1);
      oDate.setDate(1);//设置一个月中的第一天
      var oNow = oDate.getDay();//当前月的第一天是星期几
      var dayNum = 0; //指定月份的天数
      if(month==1 || month==3 || month==5 || month==7 || month==8 || month==10 || month==12){
        dayNum = 31;
      }else if(month==4 || month==6 || month==9 || month==11){
        dayNum = 30;
      }else if(month==2&&this.isLeaYear(year)){
        dayNum = 29;
      }else{
        dayNum = 28;
      }
      var SumDayLiNum = 0;//总共的格子数
      var lastNum = (dayNum-(7-oNow))%7; //最后剩余的数
      lastNum = lastNum == 0?0:7;
      SumDayLiNum = 7 + parseInt((dayNum-(7-oNow))/7)*7+lastNum;
      this.showDayList(dayNum,SumDayLiNum,oNow);
    },
    //判断是否是闰年
    isLeaYear:function(year){
      if(year%4==0&&year%100!=0){
        return true;
      }else{
        if(year%400==0){
          return true;
        }else{
          return false;
        }
      }
    },
    //显示当前日历内容
    showDayList:function(dayNum,SumDayLiNum,oNow){
      this.dayList = [];
      var rows = parseInt(SumDayLiNum/7);
      var cols = 7;
      for(var i=0;i

html {
 font-family: '微软雅黑';
}
body,
div,
span,
img,
ul,
li,
p {
 margin: 0;
 padding: 0;
}
ul,
li {
 list-style: none;
}
.commonprev {
 width: 0.46666667rem;
 height: 0.93333333rem;
 color: #ffffff;
 position: absolute;
 display: inline-block;
}
.commonyear {
 width: 5.46666667rem;
 height: 1.6rem;
 font-size: 1rem;
 color: #ffffff;
 position: absolute;
}
.scCalendar {
 width: 25rem;
 height: 21.66666667rem;
 background: #005498;
 background-size: 100%;
}
.scCalendar .calendar_header {
 height: 2.93333333rem;
 width: 100%;
 position: relative;
 line-height: 2.93333333rem;
}
.scCalendar .calendar_header .prev {
 width: 0.46666667rem;
 height: 0.93333333rem;
 color: #ffffff;
 position: absolute;
 display: inline-block;
 left: 2.76666667rem;
}
.scCalendar .calendar_header .next {
 width: 0.46666667rem;
 height: 0.93333333rem;
 color: #ffffff;
 position: absolute;
 display: inline-block;
 right: 2.76666667rem;
}
.scCalendar .calendar_header .text_year {
 width: 5.46666667rem;
 height: 1.6rem;
 font-size: 1rem;
 color: #ffffff;
 position: absolute;
 left: 9.76666667rem;
}
.scCalendar .calendar_header .text_month {
 width: 5.46666667rem;
 height: 1.6rem;
 font-size: 1rem;
 color: #ffffff;
 position: absolute;
 left: 13.1rem;
}
.scCalendar .calendar_content {
 padding: 0 1rem;
}
.scCalendar .calendar_content li {
 width: 2rem;
 height: 2rem;
 line-height: 2rem;
 margin-right: 1.5rem;
 text-align: center;
 margin-bottom: 0.66666667rem;
 float: left;
 color: white;
 font-size: 0.93333333rem;
}
.scCalendar .calendar_content .week li:nth-of-type(7) {
 margin-right: 0;
}
.scCalendar .calendar_content .day .marginRight0 {
 margin-right: 0;
}