commit b4d443f4869b8ca0ae7da893c3a4bf7dde38b0fa
Author: Mengxiong10 <15623530292@163.com>
Date:   Sun May 7 22:29:29 2017 +0800

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c369a4d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.DS_Store
+node_modules/
+dist/
+npm-debug.log
+yarn-error.log
diff --git a/calendar-panel.vue b/calendar-panel.vue
new file mode 100644
index 0000000..c5b433c
--- /dev/null
+++ b/calendar-panel.vue
@@ -0,0 +1,243 @@
+<template>
+  <div class="calendar">
+    <div class="calendar-header">
+      <i class="calendar__prev-icon" @click="changeYear(-1)">&laquo;</i>
+      <i class="calendar__prev-icon" @click="changeMonth(-1)">&lsaquo;</i>
+      <span>{{now.getFullYear() + '年'}}</span>
+      <span>{{now.getMonth() + 1 + '月'}}</span>
+      <i class="calendar__next-icon" @click="changeYear(1)">&raquo;</i>
+      <i class="calendar__next-icon" @click="changeMonth(1)" >&rsaquo;</i>
+    </div>
+    <div class="calendar-content">
+      <table class="calendar-table">
+        <thead>
+          <tr>
+            <th v-for="day in days">{{day}}</th>
+          </tr>
+        </thead>
+        <tbody>
+          <tr v-for="row in dates">
+            <td v-for="cell in row"
+                :title="cell.title"
+                :class="getClasses(cell)"
+                @click="selectDate(cell)">{{cell.day}}</td>
+          </tr>
+        </tbody>
+      </table>
+    </div>
+  </div>
+</template>
+
+<script>
+import { formatDate } from './utils.js'
+
+export default {
+  props: {
+    startAt: null,
+    endAt: null,
+    value: null,
+    show: Boolean,
+  },
+  data() {
+    return {
+      days: ['日', '一', '二', '三', '四', '五', '六'],
+      dates: [],
+      now: this.value ? new Date(this.value) : new Date(),
+    }
+  },
+  created() {
+    this.update()
+  },
+  watch: {
+    show(val) {
+      if (val) {
+        this.now = this.value ? new Date(this.value) : new Date()
+      }
+    },
+    value(val) {
+      this.now = val ? new Date(val) : new Date()
+    },
+    now: 'update',
+  },
+  methods: {
+    getCalendar(time, firstday, length, classes) {
+      const today = new Date().setHours(0, 0, 0, 0)
+      return Array.apply(null, { length }).map((v, i) => { // eslint-disable-line
+        let day = firstday + i
+        let type = classes
+        const date = new Date(time.getFullYear(), time.getMonth(), day)
+        const isToday = today === date.getTime()
+        if (isToday) {
+          day = '今天'
+          type += ' today'
+        }
+        return {
+          title: formatDate(date, 'yyyy-MM-dd'),
+          date,
+          day,
+          type,
+        }
+      })
+    },
+    // 更新面板选择时间
+    update() {
+      const row = 6
+      const col = 7
+      const time = new Date(this.now)
+
+      time.setDate(0) // 把时间切换到上个月最后一天
+      const lastMonthLength = time.getDay() + 1  // time.getDay() 0是星期天, 1是星期一 ...
+      const lastMonthfirst = time.getDate() - (lastMonthLength - 1)
+      const lastMonth = this.getCalendar(time, lastMonthfirst, lastMonthLength, 'lastMonth')
+
+      time.setMonth(time.getMonth() + 2, 0) // 切换到这个月最后一天
+      const curMonthLength = time.getDate()
+      const curMonth = this.getCalendar(time, 1, curMonthLength, 'curMonth')
+
+      time.setMonth(time.getMonth() + 1, 1)
+      const nextMonthLength = (row * col) - (lastMonthLength + curMonthLength)
+      const nextMonth = this.getCalendar(time, 1, nextMonthLength, 'nextMonth')
+
+      // 分割数组
+      let index = 0
+      let resIndex = 0
+      const arr = lastMonth.concat(curMonth, nextMonth)
+      const result = new Array(row)
+      while (index < row * col) {
+        result[resIndex++] = arr.slice(index, index += col)
+      }
+      this.dates = result
+    },
+    getClasses(cell) {
+      const classes = []
+      const cellTime = cell.date.getTime()
+      const curTime = this.value ? new Date(this.value).setHours(0, 0, 0, 0) : 0
+      const startTime = this.startAt ? this.startAt.setHours(0, 0, 0, 0) : 0
+      const endTime = this.endAt ? this.endAt.setHours(0, 0, 0, 0) : 0
+      classes.push(cell.type)
+      if (startTime) {
+        if (cellTime < startTime) {
+          classes.push('disabled')
+        } else if (curTime && cellTime <= curTime) {
+          classes.push('inrange')
+        }
+      } else if (endTime) {
+        if (cellTime > endTime) {
+          classes.push('disabled')
+        } else if (curTime && cellTime >= curTime) {
+          classes.push('inrange')
+        }
+      }
+      if (curTime === cellTime) {
+        classes.push('current')
+      }
+      return classes.join(' ')
+    },
+    changeYear(flag) {
+      const now = new Date(this.now)
+      now.setDate(1)
+      now.setFullYear(now.getFullYear() + flag)
+      this.now = now
+    },
+    changeMonth(flag) {
+      const now = new Date(this.now)
+      now.setDate(1)
+      now.setMonth(now.getMonth() + flag)
+      this.now = now
+    },
+    selectDate(cell) {
+      const classes = this.getClasses(cell)
+      if (classes.indexOf('disabled') !== -1) {
+        return
+      }
+      this.now = cell.date
+      this.$emit('input', cell.date)
+    },
+  },
+}
+
+</script>
+
+<style scoped>
+
+.calendar {
+  float: left;
+  padding: 6px 12px;
+}
+
+.calendar:nth-child(2) {
+  border-left: 1px solid #e4e4e4;
+}
+
+.calendar-header {
+  line-height: 34px;
+  text-align: center;
+}
+
+.calendar__next-icon,
+.calendar__prev-icon {
+  font-style: normal;
+  font-size: 20px;
+  padding: 0 6px;
+  cursor: pointer;
+}
+
+.calendar__next-icon:hover,
+.calendar__prev-icon:hover {
+  color: #1284e7;
+}
+
+.calendar__prev-icon {
+  float: left;
+}
+
+.calendar__next-icon {
+  float: right;
+}
+
+.calendar-table {
+  width: 100%;
+  font-size: 12px;
+  table-layout: fixed;
+  border-collapse: collapse;
+  border-spacing: 0;
+}
+
+.calendar-table td,
+.calendar-table th {
+  width: 30px;
+  height: 30px;
+  text-align: center;
+}
+
+.calendar-table td {
+  cursor: pointer;
+}
+
+.calendar-table td.inrange,
+.calendar-table td:hover {
+  background-color: #eaf8fe;
+}
+
+.calendar-table td.current {
+  color: #fff;
+  background-color: #1284e7;
+}
+
+.calendar-table td.disabled {
+  cursor: not-allowed;
+  color: #ccc;
+  background-color: #f3f3f3;
+}
+
+.lastMonth,
+.nextMonth {
+  color: #ddd;
+}
+
+.today {
+  color: #20a0ff;
+}
+
+</style>
+
diff --git a/index.vue b/index.vue
new file mode 100644
index 0000000..1d8b308
--- /dev/null
+++ b/index.vue
@@ -0,0 +1,278 @@
+<template>
+  <div class="datepicker"
+       :style="{'width': width + 'px','min-width':range ? '210px' : '140px'}"
+       v-clickoutside="closePopup">   
+    <input readonly
+          class="input"
+          :value="text"
+          :placeholder="innerPlaceholder"
+          ref="input"
+          @click="togglePopup"
+          @mousedown="$event.preventDefault()">
+    <i class="input-icon" 
+      :class="showCloseIcon ? 'input-icon__close' : 'input-icon__calendar'" 
+      @mouseenter="hoverIcon"
+      @mouseleave="hoverIcon"
+      @click="clickIcon" ></i>
+    <div class="datepicker-popup"
+         :class="{'range':range}"
+         v-show="showPopup">
+      <template v-if="!range">
+        <calendar-panel v-model="currentValue" :show="showPopup"></calendar-panel>
+      </template>
+      <template v-else>
+        <div class="datepicker-top">
+          <span v-for="range in ranges" @click="selectRange(range)">{{range.text}}</span>
+        </div>
+        <calendar-panel style="width:50%"  v-model="currentValue[0]" :end-at="currentValue[1]" :show="showPopup"></calendar-panel>
+        <calendar-panel style="width:50%"  v-model="currentValue[1]" :start-at="currentValue[0]" :show="showPopup"></calendar-panel>
+      </template>
+    </div>
+  </div>
+</template>
+
+<script>
+import { formatDate } from './utils.js'
+import CalendarPanel from './calendar-panel.vue'
+
+export default {
+  components: { CalendarPanel },
+  props: {
+    format: {
+      type: String,
+      default: 'yyyy-MM-dd',
+    },
+    range: {
+      type: Boolean,
+      default: false,
+    },
+    width: {
+      type: [String, Number],
+      default: 210,
+    },
+    palceholder: String,
+    value: null,
+  },
+  data() {
+    return {
+      showPopup: false,
+      showCloseIcon: false,
+      currentValue: this.value,
+      ranges: [],
+    }
+  },
+  watch: {
+    value: {
+      handler(val) {
+        if (!this.range) {
+          this.currentValue = this.isValidDate(val) ? val : undefined
+        } else {
+          this.currentValue = this.isValidRange(val) ? val : [undefined, undefined]
+        }
+      },
+      immediate: true,
+    },
+    currentValue(val) {
+      if ((!this.range && val) || (this.range && val[0] && val[1])) {
+        this.$emit('input', val)
+      }
+    },
+  },
+  computed: {
+    innerPlaceholder() {
+      return this.placeholder ? this.placeholder : (this.range ? '请选择日期范围' : '请选择日期')
+    },
+    text() {
+      if (!this.range && this.currentValue) {
+        return this.stringify(this.currentValue)
+      }
+      if (this.range && this.currentValue[0] && this.currentValue[1]) {
+        return this.stringify(this.currentValue[0]) + ' ~ ' + this.stringify(this.currentValue[1])
+      }
+      return ''
+    },
+  },
+  created() {
+    this.initRanges()
+  },
+  methods: {
+    closePopup() {
+      this.showPopup = false
+    },
+    togglePopup() {
+      if (this.showPopup) {
+        this.$refs.input.blur()
+        this.showPopup = false
+      } else {
+        this.$refs.input.focus()
+        this.showPopup = true
+      }
+    },
+    hoverIcon(e) {
+      if (e.type === 'mouseenter' && this.text) {
+        this.showCloseIcon = true
+      }
+      if (e.type === 'mouseleave') {
+        this.showCloseIcon = false
+      }
+    },
+    clickIcon() {
+      if (this.showCloseIcon) {
+        this.$emit('input', '')
+      } else {
+        this.togglePopup()
+      }
+    },
+    stringify(date) {
+      return formatDate(date, this.format)
+    },
+    isValidDate(date) {
+      return !!new Date(date).getTime()
+    },
+    isValidRange(date) {
+      return Array.isArray(date) &&
+        date.length === 2 &&
+        this.isValidDate(date[0]) &&
+        this.isValidDate(date[1])
+    },
+    selectRange(range) {
+      this.$emit('input', [range.start, range.end])
+    },
+    initRanges() {
+      const time = new Date()
+      time.setMonth(time.getMonth() + 1, 0) // 切换到本月最后一天
+      this.ranges.push({
+        text: '今天',
+        start: new Date(),
+        end: new Date(),
+      }, {
+        text: '最近一周',
+        start: new Date(Date.now() - 3600 * 1000 * 24 * 7),
+        end: new Date(),
+      }, {
+        text: '今后一周',
+        start: new Date(),
+        end: new Date(Date.now() + 3600 * 1000 * 24 * 7),
+      }, {
+        text: '本月',
+        start: new Date(time.getFullYear(), time.getMonth(), 1),
+        end: time,
+      }, {
+        text: '最近一个月',
+        start: new Date(Date.now() - 3600 * 1000 * 24 * 30),
+        end: new Date(),
+      }, {
+        text: '最近三个月',
+        start: new Date(Date.now() - 3600 * 1000 * 24 * 90),
+        end: new Date()
+      })
+    },
+  },
+  directives: {
+    clickoutside: {
+      bind(el, binding, vnode) {
+        el['@clickoutside'] = (e) => {
+          if (!el.contains(e.target) && binding.expression && vnode.context[binding.expression]) {
+            binding.value()
+          }
+        }
+        document.addEventListener('click', el['@clickoutside'], true)
+      },
+      unbind(el) {
+        document.removeEventListener('click', el['@clickoutside'], true)
+      },
+    }
+  }
+}
+</script>
+
+
+<style scoped>
+.datepicker {
+  position: relative;
+  display: inline-block;
+  color:#73879c;
+  font: 14px/1.5 "Helvetica Neue", Helvetica, Arial, "Microsoft Yahei", sans-serif;
+  box-sizing: border-box;
+}
+
+.datepicker * {
+  box-sizing: border-box;
+}
+
+.datepicker-popup {
+  position: absolute;
+  min-width: 234px;
+  margin-top: 1px;
+  border: 1px solid #d9d9d9;
+  background-color: #fff;
+  box-shadow: 0 6px 12px rgba(0, 0, 0, .175);
+  z-index: 1000;
+}
+
+.range {
+  min-width: 468px;
+}
+
+.input {
+  display: inline-block;
+  width: 100%;
+  height: 34px;
+  padding: 6px 30px 6px 10px;
+  font-size: 14px;
+  line-height: 1.4;
+  color: #555;
+  background-color: #fff;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
+}
+
+.input-icon {
+  top: 0;
+  right: 0;
+  position: absolute;
+  width: 30px;
+  height: 100%;
+  color: #888;
+  text-align: center;
+  font-style: normal;
+}
+.input-icon::after{
+  content:'';
+  display: inline-block;
+  width: 0;
+  height: 100%;
+  vertical-align: middle;
+}
+.input-icon__calendar{
+  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAA00lEQVQ4T72SzQ2CQBCF54UGKIES6EAswQq0BS/A3PQ0hAt0oKVQgiVYAkcuZMwSMOyCyRKNe9uf+d6b2Qf6csGtL8sy7vu+Zebn/E5EoiAIwjRNH/PzBUBEGiJqmPniAMw+YeZkFSAiJwA3j45aVT0wsxGitwOjDGDnASBVvU4OLQARRURk9e4CAcSqWn8CLHp3Ae6MXAe/B4yzUeMkz/P9ZgdFUQzFIwD/B4yKgwMTos0OtvzCHcDRJ0gAzlmW1VYSq6oKu66LfQBTjC2AT+Hamxcml5IRpPq3VQAAAABJRU5ErkJggg==);
+  background-position: center;
+  background-repeat: no-repeat;
+}
+.input-icon__close::before {
+  content: '\2716';
+  vertical-align: middle;
+}
+
+.datepicker-top {
+  margin: 0 12px;
+  line-height: 34px;
+  border-bottom: 1px solid rgba(0, 0, 0, .05);
+}
+
+.datepicker-top>span {
+  white-space: nowrap;
+  cursor: pointer;
+}
+
+.datepicker-top>span:hover {
+  color: #1284e7;
+}
+
+.datepicker-top>span:after {
+  content: "|";
+  margin: 0 10px;
+  color: #48576a;
+}
+</style>
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..3529ead
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "vue2-datepicker",
+  "version": "1.0.0",
+  "description": "datepicker for Vue2",
+  "main": "index.vue",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "vue",
+    "datepicker"
+  ],
+  "author": "xmx",
+  "license": "MIT"
+}
diff --git a/utils.js b/utils.js
new file mode 100644
index 0000000..c39185e
--- /dev/null
+++ b/utils.js
@@ -0,0 +1,22 @@
+export function formatDate(date, fmt = 'YYYY-MM-DD hh:mm:ss') {
+  date = date instanceof Date ? date : new Date(date)
+  const map = {
+    'M+': date.getMonth() + 1, // 月份
+    '[Dd]+': date.getDate(), // 日
+    '[Hh]+': date.getHours(), // 小时
+    'm+': date.getMinutes(), // 分
+    's+': date.getSeconds(), // 秒
+    'q+': Math.floor((date.getMonth() + 3) / 3), // 季度
+    'S': date.getMilliseconds(), // 毫秒
+  }
+  fmt = fmt.replace(/[Yy]+/g, function (str) {
+    return ('' + date.getFullYear()).slice(4 - str.length)
+  })
+  Object.keys(map).forEach((key) => {
+    fmt = fmt.replace(new RegExp(key), function (str) {
+      const value = '' + map[key]
+      return str.length === 1 ? value : ('00' + value).slice(value.length)
+    })
+  })
+  return fmt
+}
\ No newline at end of file