Vue.js创建Calendar日历效果

站长资源 2024/11/15 佚名

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使用 Vue.js 进行数据与视图的绑定，数据更新会让视图自动进行更新，类似 Android 里面的 DataBinding。
实现一个HTML的日历效果。

html 部分

<div id="calendar">
 <!-- 年份 月份 -->
 <div class="month">
 <ul>
 <li class="arrow" @click="pickPre(currentYear,currentMonth)">"year-month" @click="pickYear(currentYear,currentMonth)">
 <span class="choose-year">{{ currentYear }}</span>
 <span class="choose-month">{{ currentMonth }}月</span>
 </li>
 <li class="arrow" @click="pickNext(currentYear,currentMonth)">"weekdays">
 <li>一</li>
 <li>二</li>
 <li>三</li>
 <li>四</li>
 <li>五</li>
 <li style="color:red">六</li>
 <li style="color:red">日</li>
 </ul>
 <!-- 日期 -->
 <ul class="days">
 <li @click="pick(day)" v-for="day in days">
 <!--本月-->
 <span v-if="day.getMonth()+1 != currentMonth" class="other-month">{{ day.getDate() }}</span>
 <span v-else>
 <!--今天-->
 <span v-if="day.getFullYear() == new Date().getFullYear() && day.getMonth() == new Date().getMonth() && day.getDate() == new Date().getDate()" class="active">{{ day.getDate() }}</span>
 <span v-else>{{ day.getDate() }}</span>
 </span>
 </li>
 </ul>
</div>

id 为 calendar 对应的创建一个 Vue 对象，设置 el 为 ‘#calendar'。

<script type="text/javascript">
 new Vue({
 el: '#calendar',
 data: {
 currentDay: 1,
 currentMonth: 1,
 currentYear: 1970,
 currentWeek: 1,
 days: [],
 },
 created: function() {
 this.initData(null);
 },
 methods: {
 initData: function(cur) {
 var date;
 if (cur) {
  date = new Date(cur);
 } else {
  date = new Date();
 }
 this.currentDay = date.getDate();
 this.currentYear = date.getFullYear();
 this.currentMonth = date.getMonth() + 1;
 this.currentWeek = date.getDay(); // 1...6,0
 if (this.currentWeek == 0) {
  this.currentWeek = 7;
 }
 var str = this.formatDate(this.currentYear , this.currentMonth, this.currentDay);
 console.log("today:" + str + "," + this.currentWeek);
 this.days.length = 0;
 // 今天是周日，放在第一行第7个位置，前面6个
 for (var i = this.currentWeek - 1; i >= 0; i--) {
  var d = new Date(str);
  d.setDate(d.getDate() - i);
  console.log("y:" + d.getDate());
  this.days.push(d);
 }
 for (var i = 1; i <= 35 - this.currentWeek; i++) {
  var d = new Date(str);
  d.setDate(d.getDate() + i);
  this.days.push(d);
 }
 },
 pick: function(date) {
 alert(this.formatDate( date.getFullYear() , date.getMonth() + 1, date.getDate()));
 },
 pickPre: function(year, month) {
 // setDate(0); 上月最后一天
 // setDate(-1); 上月倒数第二天
 // setDate(dx) 参数dx为 上月最后一天的前后dx天
 var d = new Date(this.formatDate(year , month , 1));
 d.setDate(0);
 this.initData(this.formatDate(d.getFullYear(),d.getMonth() + 1,1));
 },
 pickNext: function(year, month) {
 var d = new Date(this.formatDate(year , month , 1));
 d.setDate(35);
 this.initData(this.formatDate(d.getFullYear(),d.getMonth() + 1,1));
 },
 pickYear: function(year, month) {
 alert(year + "," + month);
 },
 
 // 返回 类似 2016-01-02 格式的字符串
 formatDate: function(year,month,day){
 var y = year;
 var m = month;
 if(m<10) m = "0" + m;
 var d = day;
 if(d<10) d = "0" + d;
 return y+"-"+m+"-"+d
 },
 },
 });
</script>

完整代码：

<!DOCTYPE html>
<html lang="en">
 <head>
 <meta charset="UTF-8">
 <title>日历</title>
 <style type="text/css">
 * {
 box-sizing: border-box;
 }
 
 ul {
 list-style-type: none;
 }
 
 body {
 font-family: Verdana, sans-serif;
 background: #E8F0F3;
 }
 #calendar{
 width:80%;
 margin: 0 auto;
 box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.1), 0 1px 5px 0 rgba(0,0,0,0.12);
 }
 .month {
 width: 100%;
 background: #00B8EC;
 }
 
 .month ul {
 margin: 0;
 padding: 0;
 display: flex;
 justify-content: space-between;
 }
 
 .year-month {
 display: flex;
 flex-direction: column;
 align-items: center;
 justify-content: space-around;
 }
 
 .year-month:hover {
 background: rgba(150, 2, 12, 0.1);
 }
 
 .choose-year {
 padding-left: 20px;
 padding-right: 20px;
 }
 
 .choose-month {
 text-align: center;
 font-size: 1.5rem;
 }
 
 .arrow {
 padding: 30px;
 }
 
 .arrow:hover {
 background: rgba(100, 2, 12, 0.1);
 }
 
 .month ul li {
 color: white;
 font-size: 20px;
 text-transform: uppercase;
 letter-spacing: 3px;
 }
 
 .weekdays {
 margin: 0;
 padding: 10px 0;
 background-color: #00B8EC;
 display: flex;
 flex-wrap: wrap;
 color: #FFFFFF;
 justify-content: space-around;
 }
 
 .weekdays li {
 display: inline-block;
 width: 13.6%;
 text-align: center;
 }
 
 .days {
 padding: 0;
 background: #FFFFFF;
 margin: 0;
 display: flex;
 flex-wrap: wrap;
 justify-content: space-around;
 }
 
 .days li {
 list-style-type: none;
 display: inline-block;
 width: 14.2%;
 text-align: center;
 padding-bottom: 15px;
 padding-top: 15px;
 font-size: 1rem;
 color: #000;
 }
 
 .days li .active {
 padding: 6px 10px;
 border-radius: 50%;
 background: #00B8EC;
 color: #fff;
 }
 
 .days li .other-month {
 padding: 5px;
 color: gainsboro;
 }
 
 .days li:hover {
 background: #e1e1e1;
 }
 </style>
 </head>
 <body>
 <h1>CSS 日历</h1>
 <div id="calendar">
 <div class="month">
 <ul>
  <li class="arrow" @click="pickPre(currentYear,currentMonth)">"year-month" @click="pickYear(currentYear,currentMonth)">
  <span class="choose-year">{{ currentYear }}</span>
  <span class="choose-month">{{ currentMonth }}月</span>
  </li>
  <li class="arrow" @click="pickNext(currentYear,currentMonth)">"weekdays">
 <li>一</li>
 <li>二</li>
 <li>三</li>
 <li>四</li>
 <li>五</li>
 <li style="color:red">六</li>
 <li style="color:red">日</li>
 </ul>
 <ul class="days">
 <li @click="pick(day)" v-for="day in days">
  <!--今天-->
  <span v-if="day.getMonth()+1 != currentMonth" class="other-month">{{ day.getDate() }}</span>
  <span v-else>
  <!--今天-->
  <span v-if="day.getFullYear() == new Date().getFullYear() && day.getMonth() == new Date().getMonth() && day.getDate() == new Date().getDate()" class="active">{{ day.getDate() }}</span>
  <span v-else>{{ day.getDate() }}</span>
  </span>
 </li>
 </ul>
 </div>
 <script src="/UploadFiles/2021-04-02/vue.min.js">

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