vue实现自定义日期组件功能的实例代码

Vue.component('sc-calendar',{  template:'<div class="scCalendar">' +  '<div class="calendar_header">' +    '<div class="prev" @click="prevMonth"> < </div>' +    '<span class="text_year">{{currentYear}}年</span>' +    '<span class="text_month">{{currentMonth}}月</span>' +    '<div class="next" @click="nextMonth"> > </div>' +  '</div>' +  '<div class="calendar_content">' +    '<ul class="week">' +      '<li v-for="item in weeks">{{item}}</li>' +    '</ul>' +    '<ul class="day">' +      '<li v-for="item in dayList" :class="{marginRight0:item.marginRight0}">{{item.text}}</li>' +    '</ul>' +  '</div>' +  '</div>',  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<rows;i++){        for(var j=0;j<cols ;j++){          if(j == cols-1){            this.dayList.push({              text:'',              marginRight0:true            })          }else{            this.dayList.push({              text:'',              marginRight0:false            })          }        }      }      for(var z=1;z<=dayNum;z++){        this.dayList[oNow].text = z;        oNow++;      }    },    prevMonth:function(){      if( this.currentMonth == 1){        this.currentYear = this.currentYear - 1;        this.currentMonth = 12;      }else{        this.currentMonth = this.currentMonth - 1;      }      this.calDay(this.currentYear, this.currentMonth);    },    nextMonth:function(){      if( this.currentMonth == 12){        this.currentYear = this.currentYear + 1;        this.currentMonth = 1;      }else{        this.currentMonth = this.currentMonth + 1;      }      this.calDay(this.currentYear, this.currentMonth);    }  }});

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;}

<!DOCTYPE html><html lang="en"><head>  <meta charset="UTF-8">  <title>Title</title>  <link rel="stylesheet" href="./ccal.css" rel="external nofollow" >  <script>    var pixRatio = 1/window.devicePixelRatio; //像素比    var html = document.documentElement;    document.write('<meta name="viewport" content="width=device-width,user-scalable=no,initial-scale='+ pixRatio +',minimum-scale='+ pixRatio +',maximum-scale='+ pixRatio +'">');    html.style.fontSize = html.clientWidth/25 + 'px';  </script>  <script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>  <script src="./components.js"></script></head><body><div id="app">  <div class="calendar">    <sc-calendar></sc-calendar>  </div></div></body><script>  var vm = new Vue({    el:'#app'  })</script></html>