vue实现一个炫酷的日历组件

// calendar.vue
<template>
 <div class="cp-calendar">
 <v-touch
 @swipeleft="handleNextMonth"
 @swiperight="handlePreMonth"
 class="calendar">
 
 <div class="calendar-main" >
 <span class="item-con header-item"
  v-for="(item, index) in calendarHeader"
  :key="index">{{item}}</span>

 <div :class="`item-con ${todayStyle(item.content) && 'item-con-today'} ${item.type === 'disabled' && 'disableStyle'}`"
  :style="{opacity: isChangeMonth ? 0 : 1}"
  @click.stop="handleDayClick(item)"
  v-for="(item, index) in getMonthDays(selectedYear, selectedMonth)"
  :key="item.type + item.content + `${index}`">
  <span
  :class="`main-content ${selectedDateStyle(item.content) && 'selectedColor'}`">
  {{setContent(item.content)}}</span>
  <span :class="`${selectedDateStyle(item.content) && 'item-con-point'}`" ></span>
 </div>
 </div>
 
 </v-touch>
 </div>
</template>

// calendar.vue
// 设置初始数据
 initData () {
 this.today = this.currentDate || getDateStr(0) // 如果没有服务器时间，拿本地时间
 this.prevDate = getDateStr(-90, this.currentDate)
 this.nextDate = getDateStr(90, this.currentDate)
 // 是否有手动选中的日期
 let selectedFullDate = this.storeSelectedFullDate
 if (!this.storeSelectedFullDate) {
  selectedFullDate = this.currentDate || getDateStr(0) // 如果没有服务器时间，拿本地时间
 }
 this.selectedYear = Number(selectedFullDate.split('-')[0])
 this.selectedMonth = Number(selectedFullDate.split('-')[1]) - 1
 this.selectedDate = Number(selectedFullDate.split('-')[2])
 this.selectedFullDate = `${this.selectedYear}-${this.selectedMonth + 1}-${this.selectedDate}`
 },
 / 渲染日期
 getMonthDays(year, month) {
 // 定义每个月的天数，如果是闰年第二月改为29天
 let daysInMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];

 if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0) {
  daysInMonth[1] = 29;
 }
 // 当月第一天为周几
 let targetDay = new Date(year, month, 1).getDay();
 let calendarDateList = [];
 let preNum = targetDay;
 let nextNum = 0;
 if (targetDay > 0) {
  // 当前月份1号前的自然周剩余日期，置空
  for (let i = 0; i < preNum; i++) {
  let obj = {
  type: 'pre',
  content: ''
  };
  calendarDateList.push(obj);
  }
 }
 // 判断当前年月份
 let formatMonth = month + 1 >= 10 ? month + 1 : '0' + (month + 1)
 this.prevYearMonthBoolean = (`${year}-${formatMonth}` === this.prevYearMonth)
 this.nextYearMonthBoolean = (`${year}-${formatMonth}` === this.nextYearMonth)
 for (let i = 0; i < daysInMonth[month]; i++) {
  // 正常显示的日期
  let obj = {
  type: 'normal',
  content: i + 1
  };
  // 判断是否为最往前或者最往后的月份，筛选出不可点击的日期
  if (this.prevYearMonthBoolean) {
  let prevDay = this.prevDate.split('-')[2]
  if (i + 1 < prevDay) {
  obj.type = 'disabled'
  }
  } else if (this.nextYearMonthBoolean) {
  let nextDay = this.nextDate.split('-')[2]
  if (i + 1 > nextDay) {
  obj.type = 'disabled'
  }
  }
  calendarDateList.push(obj);
 }

 nextNum = 6 - new Date(year, month + 1, 0).getDay()

 // 当前月份最后一天的自然周剩余日期，置空
 for (let i = 0; i < nextNum; i++) {
  let obj = {
  type: 'next',
  content: ''
  };
  calendarDateList.push(obj);
 }
 return calendarDateList;
 },
 // 设置日期
 setContent (content) {
 if (!content) return ''
 return `${this.selectedYear}-${this.tf(this.selectedMonth + 1)}-${this.tf(content)}` === this.today ? '今天' : content
 },
 // '今天'样式开关
 todayStyle (content) {
 if (!content) return false
 // Toast(`${this.selectedYear}-${this.tf(this.selectedMonth + 1)}-${this.tf(content)}`)
 return `${this.selectedYear}-${this.tf(this.selectedMonth + 1)}-${this.tf(content)}` === this.today
 },
 // 当前选中的日期样式开关
 selectedDateStyle (content) {
 if (!content) return false
 return `${this.selectedYear}-${this.selectedMonth + 1}-${content}` === this.selectedFullDate
 },

// src/config/utils.js
// 公共方法
/**
 * @param AddDayCount 必传 今天前后N天的日期
 * @param dateStr： 非必传 获取传入日期前后N天的日期：'2018-01-20'
 * @param type 非必传 'lhRili'类型格式如'2018-7-3'
 * @return 返回日期'2018/01/20'
 */
export const getDateStr = (AddDayCount, dateStr, type) => {
 // console.log('getDateStr', AddDayCount, dateStr, type)
 var dd
 if (!dateStr) {
 dd = new Date()
 } else {
 // 判断是否为IOS
 const isIOS = !!navigator.userAgent.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/);

 let formatDateStr = isIOS ? dateStr.replace(/-/g, '/') : dateStr
 dd = new Date((formatDateStr.length < 12) ? formatDateStr + ' 00:00:00' : formatDateStr)
 }
 dd.setDate(dd.getDate() + AddDayCount) // 获取AddDayCount天后的日期

 let y = dd.getFullYear()
 let m
 let d
 if (type === 'lhRili') {
 m = dd.getMonth() + 1
 d = dd.getDate()
 } else {
 let currentMon = (dd.getMonth() + 1)
 let getDate = dd.getDate()
 m = currentMon < 10 ? '0' + currentMon : currentMon // 获取当前月份的日期，不足10补0
 d = getDate < 10 ? '0' + getDate : getDate // 获取当前几号，不足10补0
 }

 let time = y + '-' + m + '-' + d
 return time
}

// calendar.vue
// 上一个月
 handlePreMonth() {
 if (this.prevYearMonthBoolean) {
  return
 }
 if (this.selectedMonth === 0) {
  this.selectedYear = this.selectedYear - 1
  this.selectedMonth = 11
  this.selectedDate = 1
 } else {
  this.selectedMonth = this.selectedMonth - 1
  this.selectedDate = 1
 }
 },
 // 下一个月
 handleNextMonth() {
 if (this.nextYearMonthBoolean) {
  return
 }
 if (this.selectedMonth === 11) {
  this.selectedYear = this.selectedYear + 1
  this.selectedMonth = 0
  this.selectedDate = 1
 } else {
  this.selectedMonth = this.selectedMonth + 1
  this.selectedDate = 1
 }
 },

// src/store/schedule.js
const schedule = {
 state: {
 selectedDate: '', // 手动点击选中的日期
 currentDate: '' // 服务器当前日期
 },

 getters: {
 getSelectedDate: state => state.selectedDate,
 getCurrentDate: state => state.currentDate
 },

 mutations: {
 SET_SELECTED_DATE: (state, data) => {
 state.selectedDate = data
 },
 SET_CURRENT_DATE: (state, data) => {
 state.currentDate = data
 }
 },

 actions: {
 setSelectedDate: ({ commit }, data) => commit('SET_SELECTED_DATE', data),
 setCurrentDate: ({ commit }, data) => commit('SET_CURRENT_DATE', data)
 }
};

export default schedule;

// src/directive/click-out-side.js
export default{
 bind (el, binding, vnode) {
 function documentHandler (e) {
 if (el.contains(e.target)) {
 return false;
 }
 if (binding.expression) {
 binding.value(e);
 }
 }
 el.__vueClickOutside__ = documentHandler;
 document.addEventListener('click', documentHandler);
 },
 unbind (el, binding) {
 document.removeEventListener('click', el.__vueClickOutside__);
 delete el.__vueClickOutside__;
 }
}

// src/directive/index.js
import clickOutSide from './click-out-side'

const install = function (Vue) {
 Vue.directive('click-outside', clickOutSide)
}

if (window.Vue) {
 window.clickOutSide = clickOutSide
 Vue.use(install); // eslint-disable-line
}

clickOutSide.install = install
export default clickOutSide

// src/main.js
import clickOutSide from '@/directive/click-out-side/index'

Vue.use(clickOutSide)

// calendar.vue
<div class="cp-calendar" v-click-outside="spaceClick">
....
</div>

// src/mian.js
import FastClick from 'fastclick' // 在移动端，手指点击一个元素，会经过：touchstart --> touchmove -> touchend --> click。

FastClick.attach(document.body);

// src/mock/index.js
// mock数据入口
import Mock from 'mockjs'
import currentTime from './currentTime'

// 拦截接口请求
Mock.mock(/\/schedule\/getCurrentTime/, 'get', currentTime)

export default Mock
// src/mock/currentTime.js
import Mock from 'mockjs'

export default {
 getList: () => {
 return {
 'status': 'true',
 'code': '200',
 'msg': null,
 'info': {
 'currentDate': '2018-09-02'
 }
 }
 }
}
// src/main.js
// 开发环境引入mock
if (process.env.NODE_ENV === 'development') {
 require('./mock') // 需要在这里引入mock数据才可以全局拦截请求
}