Vue.js creates Calendar calendar effect-JS Tutorial-php.cn

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Vue.js creates Calendar calendar effect

高洛峰

Dec 07, 2016 pm 05:05 PM

Use Vue.js to bind data and views. Data updates will automatically update the view, similar to DataBinding in Android.
Implement an HTML calendar effect.

Vue.js creates Calendar calendar effect

html part

<p id="calendar">
 <!-- 年份 月份 -->
 <p class="month">
 <ul>
  <li class="arrow" @click="pickPre(currentYear,currentMonth)">❮</li>
  <li class="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)">❯</li>
 </ul>
 </p>
 <!-- 星期 -->
 <ul class="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>
</p>

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id creates a Vue object corresponding to calendar and sets el to ‘#calendar’.

<script type="text/javascript">
 new Vue({
 el: &#39;#calendar&#39;,
 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>

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Full code:

<!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 id="CSS-nbsp-日历">CSS 日历</h1>
 <p id="calendar">
  <p class="month">
  <ul>
   <li class="arrow" @click="pickPre(currentYear,currentMonth)">❮</li>
   <li class="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)">❯</li>
  </ul>
  </p>
  <ul class="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>
 </p>
 <script src="http://cdnjs.cloudflare.com/ajax/libs/vue/1.0.18/vue.min.js" type="text/javascript" 
 charset="utf-8"></script>
 <script type="text/javascript">
  new Vue({
  el: &#39;#calendar&#39;,
  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>
 </body>
</html>

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