yxh
2023-06-29 4105c9b7b77c8be32b42f9f0c1e75ecf05a677f5
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
<template>
  <div
    class="di main-wrap"
    v-loading="audio.waiting"
    element-loading-text="音视频加载中"
    element-loading-spinner="el-icon-loading"
  >
    <!-- 这里设置了ref属性后,在vue组件中,就可以用this.$refs.audio来访问该dom元素 -->
    <audio
      ref="audio"
      class="dn"
      :src="url"
      :preload="audio.preload"
      @play="onPlay"
      @error="onError"
      @waiting="onWaiting"
      @pause="onPause"
      @timeupdate="onTimeupdate"
      @loadedmetadata="onLoadedmetadata"
    ></audio>
    <div>
      <!-- 播放 -->
      <i
        class="el-icon-microphone"
        v-if="audio.playing == true"
        style="color: rgb(10 243 61); font-size: 18px"
      ></i>
      <i class="el-icon-microphone" v-else style="font-size: 18px"></i>
      <el-button style="margin: 0 10px" type="text" @click="startPlayOrPause">{{
        audio.playing | transPlayPause
      }}</el-button>
 
      <!-- 播放最大时间 -->
      <span type="info">{{ audio.maxTime | formatSecond }}</span>
 
      <!-- 快进按钮 -->
      <el-button
        v-show="!controlList.noSpeed"
        type="text"
        @click="changeSpeed"
        >{{ audio.speed | transSpeed }}</el-button
      >
      <a
        :href="url"
        v-show="!controlList.noDownload"
        target="_blank"
        class="download"
        download
        >下载</a
      >
      <br />
 
      <!-- 播放时间 -->
      <!-- <el-tag type="info">{{ audio.currentTime | formatSecond }}</el-tag> -->
 
      <!-- 播放进度条 -->
      <el-slider
        v-show="!controlList.noProcess"
        v-model="sliderTime"
        :format-tooltip="formatProcessToolTip"
        @change="changeCurrentTime"
        class="slider"
      ></el-slider>
 
      <!-- 静音按钮 -->
      <!-- <el-button
        v-show="!controlList.noMuted"
        type="text"
        @click="startMutedOrNot"
        >{{ audio.muted | transMutedOrNot }}</el-button
      > -->
 
      <!-- 音量大小 -->
      <el-slider
        v-show="!controlList.noVolume"
        v-model="volume"
        :format-tooltip="formatVolumeToolTip"
        @change="changeVolume"
        class="slider"
      ></el-slider>
    </div>
  </div>
</template>
 
<script>
function realFormatSecond(second) {
  var secondType = typeof second;
  if (secondType === "number" || secondType === "string") {
    second = parseInt(second);
    var hours = Math.floor(second / 3600);
    second = second - hours * 3600;
    var mimute = Math.floor(second / 60);
    second = second - mimute * 60;
    return (
      hours + ":" + ("0" + mimute).slice(-2) + ":" + ("0" + second).slice(-2)
    );
  } else {
    return "0:00:00";
  }
}
export default {
  // 父传子
  props: {
    theUrl: {
      type: String,
      required: true,
    },
    theSpeeds: {
      type: Array,
      default() {
        return [1, 1.5, 2];
      },
    },
    theControlList: {
      type: String,
      default: "",
    },
  },
  data() {
    return {
      url: this.theUrl,
      audio: {
        currentTime: 0,
        maxTime: 0, // 音频时长
        playing: false, // 是否在播放
        muted: false,
        speed: 1,
        waiting: false,
        preload: "auto",
      },
      sliderTime: 0,
      volume: 100,
      speeds: this.theSpeeds,
      controlList: {
        // 不显示下载
        noDownload: false,
        // 不显示静音
        noMuted: false,
        // 不显示音量条
        noVolume: false,
        // 不显示进度条
        noProcess: false,
        // 只能播放一个
        onlyOnePlaying: false,
        // 不要快进按钮
        noSpeed: false,
      },
    };
  },
  methods: {
    changeSpeed() {
      let index = this.speeds.indexOf(this.audio.speed) + 1;
      this.audio.speed = this.speeds[index % this.speeds.length];
      this.$refs.audio.playbackRate = this.audio.speed;
    },
    startMutedOrNot() {
      this.$refs.audio.muted = !this.$refs.audio.muted;
      this.audio.muted = this.$refs.audio.muted;
    },
    // 音量条toolTip
    formatVolumeToolTip(index) {
      return "音量条: " + index;
    },
    // 进度条toolTip
    formatProcessToolTip(index = 0) {
      index = parseInt((this.audio.maxTime / 100) * index);
      return "进度条: " + realFormatSecond(index);
    },
    // 音量改变
    changeVolume(index = 0) {
      this.$refs.audio.volume = index / 100;
      this.volume = index;
    },
    // 播放跳转
    changeCurrentTime(index) {
      this.$refs.audio.currentTime = parseInt(
        (index / 100) * this.audio.maxTime
      );
    },
    //显示播放或者暂停
    startPlayOrPause() {
      return this.audio.playing ? this.pausePlay() : this.startPlay();
    },
    // 开始播放
    startPlay() {
      // console.log("播放");
      this.$refs.audio.play();
    },
    // 暂停播放
    pausePlay() {
      // console.log("暂停");
      this.$refs.audio.pause();
    },
 
    // 音频暂停时触发
    onPause() {
      this.audio.playing = false;
    },
    // 音频错误时触发
    onError() {
      //   this.audio.waiting = true;
    },
    // 音频准备时触发
    onWaiting(res) {
      console.log("等待", res);
    },
    // 音频播放时触发
    onPlay(res) {
      // console.log("播放", res);
      this.audio.playing = true;
      this.audio.loading = false;
      if (!this.controlList.onlyOnePlaying) {
        return;
      }
      let target = res.target;
      let audios = document.getElementsByTagName("audio"); //获取所有视频标签
      [...audios].forEach((item) => {
        if (item !== target) {
          item.pause();
        }
      });
    },
    // 播放数量限制(同时只能播放一个)
    setControlList() {
      // 注意父组件传的值是否满足要求
      let controlList = this.theControlList.split(" ");
      controlList.forEach((item) => {
        if (this.controlList[item] !== undefined) {
          this.controlList[item] = true;
        }
      });
    },
 
    // 当timeupdate事件大概每秒一次,用来更新音频流的当前播放时间
    onTimeupdate(res) {
      this.audio.currentTime = res.target.currentTime;
      this.sliderTime = parseInt(
        (this.audio.currentTime / this.audio.maxTime) * 100
      );
    },
 
    // 当加载语音流元数据完成后,会触发该事件的回调函数
    onLoadedmetadata(res) {
      // console.log("加载", res);
      this.audio.waiting = false; // 取消等待状态
      this.audio.maxTime = parseInt(res.target.duration);
    },
  },
  // 过滤属性
  filters: {
    formatSecond(second = 0) {
      return realFormatSecond(second);
    },
    transPlayPause(value) {
      return value ? "暂停" : "播放";
    },
    transMutedOrNot(value) {
      return value ? "放音" : "静音";
    },
    transSpeed(value) {
      return "快进: x" + value;
    },
  },
  created() {
    this.setControlList();
  },
};
</script>
 
<style scoped>
.slider {
  display: inline-block;
  width: 100px;
  position: relative;
  top: 14px;
  margin-left: 15px;
}
.di {
  display: inline-block;
}
.download {
  color: #409eff;
  margin-left: 15px;
}
.dn {
  display: none;
}
</style>