一聚教程网:一个值得你收藏的教程网站

热门教程

Vue.js如何实现时间轴功能 Vue.js实现时间轴功能代码示例

时间:2022-06-29 02:15:04 编辑:袖梨 来源:一聚教程网

Vue.js如何实现时间轴功能?本篇文章小编给大家分享一下Vue.js实现时间轴功能代码示例,文章代码介绍的很详细,小编觉得挺不错的,现在分享给大家供大家参考,有需要的小伙伴们可以来看看。

GitHub

时间轴组件封装

Main.js

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
<template>
  <div class="timeline-main">
    <div class="timeline-axis">
      <div class="axis-item" v-for="(time, index) in dateTimes" :key="index">
        <div class="axis-item-tick" :class="{ 'axis-item-tick-active': index === highlightIndex }" @mouseenter="hoverIndex = index" @mouseleave="hoverIndex = -1" @click="tickClick(time, index)">
        </div>
        <div class="axis-item-label" v-if="dateTimeIndexes.indexOf(index) >= 0">
          {{ time }}</div>
        <div class="axis-item-tip" v-if="index === highlightIndex || index === hoverIndex">
          {{ time }}</div>
      </div>
    </div>
    <div class="timeline-control">
      <i class="menu-icon icon-left" :class="{'menu-icon-disabled': playing}" @click="backward"></i>
      <i class="menu-icon" :class="{'icon-play': !playing, 'icon-pause': playing}" @click="togglePlay" @mouseleave="hoverIndex = -1"></i>
      <i class="menu-icon icon-right" :class="{'menu-icon-disabled': playing}" @click="forward"></i>
      <i class="menu-icon icon-up" :class="{'menu-icon-disabled': playing}" @click="speedSlow"></i>
      <i class="menu-icon speed">{{ options.speed }}</i>
      <i class="menu-icon icon-down" :class="{'menu-icon-disabled': playing}" @click="speedQuick"></i>
    </div>
  </div>
</template>
<script>
import { dateFormat } from '../util/formatdate.js' // 日期<a href="http://www.111com.net/zhuanti/geshihua/" target="_blank">格式化</a>
export default {
  data() {
    return {
      intervalTimer: null, // 定时器
      dateTimeIndexes: [], // 日期列表
      playing: false, // 播放
      activeIndex: 0, // 当前的时间位置
      hoverIndex: 0 // 鼠标移入的时间位置
    }
  },
  props: {
    options: {
      type: Object,
      default() {
        return {}
      }
    },
    dateTimes: {
      type: Array,
      default() {
        return []
      }
    },
    interval: {
      type: Number,
      default() {
        return 100
      }
    }
  },
  computed: {
    highlightIndex() {
      return (
        (this.activeIndex === -1 && this.dateTimes.length - 1) ||
        this.activeIndex
      )
    }
  },
  watch: {
    options: {
      handler() {
        this.renderTimeline()
      },
      deep: true
    },
    playing() {
      if (this.playing) {
        this.intervalTimer = setInterval(() => {
          this.activeIndex = (this.activeIndex + 1) % this.dateTimes.length
        }, this.options.speed * 1000)
      } else {
        if (this.intervalTimer) {
          clearInterval(this.intervalTimer)
          this.intervalTimer = null
        }
      }
    },
    activeIndex() {
      const time = this.dateTimes[this.activeIndex].split(' ')[0]
      this.$emit('getDateFun', time)
    }
  },
  mounted() {
    this.renderTimeline()
    let that = this
    window.onresize = function () {
      that.renderTimeline()
    }
  },
  filters: {
    formatDatetime(dateTime) {
      dateTime = dateFormat(dateTime, 'MM.dd')
      return dateTime
    }
  },
  methods: {
    /**
     * @name: 初始化时间轴
     */
    renderTimeline() {
      // 时间轴的宽度
      const timelineWidth = this.$el.offsetWidth - 40
      // 日期个数
      const dateTimesSize = this.dateTimes.length
      // 如果时间全部显示,时间轴的理想宽度
      const dateTimesWidth = dateTimesSize * this.interval
      // 如果时间轴的宽度小于理想宽度
      if (timelineWidth >= dateTimesWidth) {
        this.dateTimeIndexes = this.dateTimes.map((dateTime, index) => {
          return index
        })
        return
      }
      // 当前时间轴的宽度最大能容纳多少日期刻度
      const maxTicks = Math.floor(timelineWidth / this.interval)
      // 间隔刻度数
      const gapTicks = Math.floor(dateTimesSize / maxTicks)
      // 记录需要显示的日期索引
      this.dateTimeIndexes = []
      for (let t = 0; t <= maxTicks; t++) {
        this.dateTimeIndexes.push(t * gapTicks)
      }
      const len = this.dateTimeIndexes.length
      // 最后一项需要特殊处理
      if (len > 0) {
        const lastIndex = this.dateTimeIndexes[len - 1]
        if (lastIndex + gapTicks > dateTimesSize - 1) {
          this.dateTimeIndexes[len - 1] = dateTimesSize - 1
        } else {
          this.dateTimeIndexes.push(dateTimesSize - 1)
        }
      }
    },
 
    /**
     * @name: 点击刻度
     * @param {time}
     * @param {index}
     */
    tickClick(time, index) {
      if (this.playing) {
        return
      }
      this.activeIndex = index
    },
 
    /**
     * @name: 播放和暂停
     */
    togglePlay() {
      this.playing = !this.playing
    },
 
    /**
     * @name: 时间退后一日
     */
    backward() {
      if (this.playing) {
        return
      }
      this.activeIndex = this.activeIndex - 1
      if (this.activeIndex === -1) {
        this.activeIndex = this.dateTimes.length - 1
      }
    },
 
    /**
     * @name: 时间前进一日
     */
    forward() {
      if (this.playing) {
        return
      }
      this.activeIndex = (this.activeIndex + 1) % this.dateTimes.length
    },
 
    /**
     * @name: 减慢速度
     */
    speedSlow() {
      if (this.playing || this.options.speed >= this.options.speedMax) {
        return
      }
      this.options.speed = this.options.speed + 1
    },
 
    /**
     * @name: 加快速度
     */
    speedQuick() {
      if (this.playing || this.options.speed <= 1) {
        return
      }
      this.options.speed = this.options.speed - 1
    }
  }
}
</script>
<style scoped="" lang="s<a href=" http:="" www.111com.net="" cssdiv="" css.html"="" target="_blank">css</a>">
.timeline-main {
  padding: 10px;
  box-sizing: border-box;
  .timeline-axis {
    position: relative;
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    &::before {
      content: '';
      width: 100%;
       
      position: absolute;
      left: 0;
      bottom: 8px;
      display: inline-block;
      background: rgba(0, 0, 0, 0.5);
    }
    .axis-item {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: center;
      .axis-item-tick {
        display: inline-block;
         
         
        background: rgba(0, 0, 0, 0.5);
        transition: background 0.3s;
        cursor: pointer;
        &:hover {
          background: #000;
        }
      }
      .axis-item-tick-active {
        background: #000;
      }
      .axis-item-label {
        position: absolute;
        bottom: -30px;
        white-space: nowrap;
      }
      .axis-item-tip {
        position: absolute;
        top: -25px;
        padding: 2px 6px;
        border-radius: 2px;
        background: rgba(0, 0, 0, 0.5);
        white-space: nowrap;
        color: #fff;
      }
    }
  }
  .timeline-control {
    margin-top: 40px;
    text-align: center;
    i {
      cursor: pointer;
      display: inline-block;
      font-style: normal;
    }
    .menu-icon {
      font-size: 20px;
       
       
      background-size: cover;
      background-repeat: no-repeat;
      &.icon-left {
        background-image: url('../assets/icon-left.png');
      }
 
      &.icon-right {
        background-image: url('../assets/icon-right.png');
      }
 
      &.icon-play {
        background-image: url('../assets/icon-play.png');
      }
 
      &.icon-pause {
        background-image: url('../assets/icon-pause.png');
      }
      &.icon-up {
        background-image: url('../assets/icon-up.png');
      }
 
      &.icon-down {
        background-image: url('../assets/icon-down.png');
      }
      &.menu-icon-disabled {
        cursor: no-drop;
        opacity: 0.5;
      }
    }
  }
}
</style>

使用组件

App.vue

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
<template>
  <div>
    <h2 style="margin:0;text-align:center;">
      {{this.date}}
    </h2>
    <main :options="options" :datetimes="dateTimes" @getdatefun="getDateFun" :interval="interval"></main>
  </div>
</template>
 
<script>
import { dateFormat } from './util/formatdate.js'
import Main from './components/Main'
export default {
  name: 'app',
  data() {
    return {
      date: '',
      options: {
        speed: 1, // 速度
        speedMax: 10 // 速度最大值
      },
      interval: 20, // 日期间的间隔
      dateTimes: [
        '03-04',
        '03-05',
        '03-06',
        '03-07',
        '03-08',
        '03-09',
        '03-10',
        '03-11',
        '03-12',
        '03-13'
      ]
    }
  },
  components: {
    Main
  },
  mounted() {
    // 获取最近 10 天的日期
    let list = []
    for (let i = 0; i < 10; i++) {
      list.unshift(
        dateFormat(
          new Date(
            new Date().setDate(new Date().getDate() - i)
          ).toLocaleDateString(),
          'MM-dd'
        )
      )
    }
    this.date = list[0]
    this.dateTimes = list
  },
  methods: {
    // 接收父组件传值
    getDateFun(time) {
      console.log(time)
      this.date = time
    },
  }
}
</script>

热门栏目