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+<template>
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+ <div class="AudioNNPE">
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+ <div class="audioLine">
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+ <span class="audioName">1.</span>
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+ <div class="go-start"></div>
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+ <div class="playBox" @click="PlayAudio">
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+ <div
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+ class="play"
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+ :class="[
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+ audio.loading ? 'loadBtn' : audio.playing ? 'playBtn' : 'pauseBtn',
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+ ]"
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+ ></div>
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+ </div>
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+ <div class="go-end"></div>
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+ <div class="play-mode order"></div>
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+ <template>
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+ <el-slider
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+ v-model="playValue"
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+ :style="{ width: sliderWidth + 'px', height: '2px' }"
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+ :format-tooltip="formatProcessToolTip"
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+ @change="changeCurrentTime"
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+ />
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+ <span
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+ ><template v-if="audio.playing">-</template
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+ >{{
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+ audio.maxTime
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+ ? realFormatSecond(audio.maxTime - audio.currentTime)
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+ : ""
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+ }}</span
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+ >
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+ </template>
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+ <div class="common-btn audio-btn">
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+ <img src="../../assets/learncenter/music-list.png" class="music-list" />
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+ </div>
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+ <div class="common-btn download-btn">
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+ <img src="../../assets/learncenter/download.png" class="download" />
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+ </div>
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+ </div>
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+ <audio
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+ :ref="audioId"
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+ :src="mp3"
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+ @loadedmetadata="onLoadedmetadata"
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+ @timeupdate="onTimeupdate"
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+ @canplaythrough="oncanplaythrough"
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+ preload="meta"
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+ :id="audioId"
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+ />
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+ </div>
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+</template>
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+
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+<script>
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+// 这里可以导入其它文件(比如:组件,工具js,第三方插件js,json文件,图片文件等等)
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+// 例如:import 《组件名称》from ‘《组件路径》';
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+export default {
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+ // import引入的组件需要注入到对象中才能使用
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+ components: {},
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+ props: [
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+ "mp3",
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+ "mp3Source",
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+ "getCurTime",
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+ "stopAudio",
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+ "width",
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+ "isRepeat",
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+ "themeColor",
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+ "hideSlider",
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+ "ed",
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+ "bg",
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+ "audioId",
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+ "type",
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+ ],
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+ data() {
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+ // 这里存放数据
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+ return {
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+ playValue: 0,
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+ audio: {
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+ // 该字段是音频是否处于播放状态的属性
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+ playing: false,
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+ // 音频当前播放时长
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+ currentTime: 0,
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+ // 音频最大播放时长
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+ maxTime: 0,
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+ isPlaying: false,
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+ loading: false,
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+ },
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+ audioAllTime: null, // 展示总时间
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+ duioCurrentTime: null, // 剩余时间
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+ count: 0,
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+ isClick: false,
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+ };
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+ },
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+ // 计算属性 类似于data概念
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+ computed: {
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+ sliderWidth() {
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+ let width = 0;
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+ if (this.width) {
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+ width = this.width;
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+ } else {
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+ width = 662;
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+ }
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+ return width;
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+ },
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+ },
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+ // 监控data中数据变化
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+ watch: {
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+ stopAudio: {
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+ handler(val, oldVal) {
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+ const _this = this;
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+ if (val) {
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+ _this.$refs[_this.audioId].pause();
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+ _this.audio.playing = false;
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+ }
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+ },
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+ // 深度观察监听
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+ deep: true,
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+ },
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+ "audio.playing": {
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+ handler(val) {
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+ this.$emit("playChange", val);
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+ if (val) this.$emit("handleChangeStopAudio");
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+ },
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+ },
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+ },
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+ // 生命周期 - 创建完成(可以访问当前this实例)
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+ created() {},
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+ // 生命周期 - 挂载完成(可以访问DOM元素)
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+ mounted() {
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+ let _this = this;
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+ let audioId = _this.audioId;
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+ _this.$refs[audioId].addEventListener("loadstart", function () {
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+ console.log("音频开始加载");
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+ });
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+ _this.$refs[audioId].addEventListener("play", function () {
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+ console.log("音频开始播放了");
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+ _this.audio.playing = true;
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+ _this.audio.isPlaying = true;
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+ _this.audio.loading = false;
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+ });
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+ _this.$refs[audioId].addEventListener("pause", function () {
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+ _this.audio.playing = false;
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+ if (_this.hideSlider && _this.audio.currentTime * 1000 + 500 > _this.ed) {
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+ _this.$emit("sentPause", true);
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+ }
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+ _this.$emit("handleListenRead", false);
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+ });
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+ _this.$refs[audioId].addEventListener("ended", function () {
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+ _this.audio.playing = false;
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+ _this.audio.isPlaying = false;
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+ _this.isClick = false;
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+ _this.$emit("handleListenRead", false);
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+ });
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+
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+ this.$nextTick(() => {
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+ if (
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+ document.getElementsByClassName("el-slider__button-wrapper") &&
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+ document.getElementsByClassName("el-slider__button-wrapper")[0]
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+ ) {
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+ document
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+ .getElementsByClassName("el-slider__button-wrapper")[0]
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+ .addEventListener("mousedown", function () {
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+ _this.$refs[audioId].pause();
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+ _this.audio.playing = false;
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+ });
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+ }
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+ });
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+ },
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+ // 生命周期-挂载之前
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+ beforeMount() {},
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+ // 生命周期-更新之后
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+ updated() {},
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+ // 如果页面有keep-alive缓存功能,这个函数会触发
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+ activated() {},
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+ // 方法集合
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+ methods: {
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+ PlayAudio() {
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+ let audioId = this.audioId;
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+ let audio = document.getElementsByTagName("audio");
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+ console.log(audio);
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+ audio.forEach((item) => {
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+ if (item.src == this.mp3) {
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+ if (item.id !== audioId) {
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+ item.pause();
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+ }
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+ } else {
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+ item.pause();
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+ }
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+ });
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+
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+ if (this.audio.playing) {
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+ this.$refs[audioId].pause();
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+ this.audio.playing = false;
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+ this.$emit("handleListenRead", false);
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+ this.isClick = false;
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+ } else {
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+ if (this.count == 0) {
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+ this.audio.loading = true;
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+ this.count++;
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+ }
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+ if (this.hideSlider) {
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+ this.$refs[audioId].play();
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+ this.onTimeupdateTime(this.bg / 1000);
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+ } else {
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+ this.$refs[audioId].play();
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+ }
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+
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+ this.$emit("handleChangeStopAudio");
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+ this.$emit("handleListenRead", true);
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+ this.isClick = true;
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+ }
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+ },
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+ oncanplaythrough() {
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+ let _this = this;
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+ //setTimeout(() => {
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+ console.log("音频加载完成");
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+ _this.audio.loading = false;
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+ //}, 10000);
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+ },
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+ // 点击 拖拽播放音频
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+ changeCurrentTime(value) {
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+ let audioId = this.audioId;
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+ this.$refs[audioId].play();
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+ this.audio.playing = true;
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+ this.$refs[audioId].currentTime = parseInt(
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+ (value / 100) * this.audio.maxTime
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+ );
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+ },
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+ mousedown() {
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+ let audioId = this.audioId;
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+ this.$refs[audioId].pause();
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+ this.audio.playing = false;
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+ },
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+ // 进度条格式化toolTip
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+ formatProcessToolTip(index) {
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+ index = parseInt((this.audio.maxTime / 100) * index);
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+ return this.realFormatSecond(index);
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+ },
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+ // 音频加载完之后
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+ onLoadedmetadata(res) {
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+ this.audio.maxTime = parseInt(res.target.duration);
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+ this.audioAllTime = this.realFormatSecond(this.audio.maxTime);
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+ },
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+ // 当音频当前时间改变后,进度条也要改变
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+ onTimeupdate(res) {
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+ let audioId = this.audioId;
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+ this.audio.currentTime = res.target.currentTime;
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+ this.getCurTime(res.target.currentTime);
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+ this.playValue = (this.audio.currentTime / this.audio.maxTime) * 100;
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+ if (this.type == "audioLine") {
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+ if (!this.isClick && this.audio.currentTime * 1000 > this.ed) {
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+ this.$refs[audioId].pause();
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+ this.$emit("emptyEd");
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+ }
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+ } else {
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+ if (this.hideSlider) {
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+ if (this.audio.currentTime * 1000 + 500 > this.ed) {
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+ this.$refs[audioId].pause();
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+ }
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+ }
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+ }
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+ },
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+ onTimeupdateTime(res, playFlag) {
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+ if (!res && res !== 0) return;
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+ let audioId = this.audioId;
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+ this.$refs[audioId].currentTime = res;
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+ this.playValue = (res / this.audio.maxTime) * 100;
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+ if (playFlag) {
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+ let audio = document.getElementsByTagName("audio");
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+ audio.forEach((item) => {
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+ if (item.id !== audioId) {
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+ item.pause();
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+ }
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+ });
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+ this.$refs[audioId].play();
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+ }
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+ },
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+ // 将整数转换成 时:分:秒的格式
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+ realFormatSecond(value) {
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+ let theTime = parseInt(value); // 秒
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+ let theTime1 = 0; // 分
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+ let theTime2 = 0; // 小时
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+ if (theTime > 60) {
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+ theTime1 = parseInt(theTime / 60);
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+ theTime = parseInt(theTime % 60);
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+ if (theTime1 > 60) {
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+ theTime2 = parseInt(theTime1 / 60);
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+ theTime1 = parseInt(theTime1 % 60);
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+ }
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+ }
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+ let result = String(parseInt(theTime));
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+ if (result < 10) {
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+ result = "0" + result;
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+ }
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+ if (theTime1 > 0) {
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+ result = String(parseInt(theTime1)) + ":" + result;
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+ if (theTime1 < 10) {
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+ result = "0" + result;
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+ }
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+ } else {
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+ result = "00:" + result;
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+ }
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+ if (theTime2 > 0) {
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+ result = String(parseInt(theTime2)) + ":" + result;
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+ if (theTime2 < 10) {
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+ result = "0" + result;
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+ }
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+ } else {
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+ // result = "00:" + result;
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+ }
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+ return result;
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+ },
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+ },
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+ // 生命周期-创建之前
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+ beforeCreated() {},
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+ // 生命周期-更新之前
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+ beforUpdate() {},
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+ // 生命周期-销毁之前
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+ beforeDestory() {},
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+ // 生命周期-销毁完成
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+ destoryed() {},
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+};
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+</script>
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+<style lang="scss" scoped>
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+/* @import url(); 引入css类 */
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+.AudioNNPE {
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+ width: 100%;
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+ .audioLine {
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+ display: flex;
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+ align-items: center;
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+ width: 100%;
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+ height: 40px;
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+ background: #ffffff;
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+ box-sizing: border-box;
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+ border-radius: 8px;
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+ .playBox {
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+ min-width: 40px;
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+ height: 40px;
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+ display: flex;
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+ justify-content: center;
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+ align-items: center;
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+ margin-right: 7px;
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+ cursor: pointer;
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+ }
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+ .play {
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+ width: 24px;
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+ height: 24px;
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+ cursor: pointer;
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+ display: block;
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+ &.playBtn {
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+ background: url("../../assets/learncenter/pause-24-normal-red.png")
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+ no-repeat left top;
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+ background-size: 100% 100%;
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+ }
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+ &.pauseBtn {
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+ background: url("../../assets/learncenter/play-24-normal-red.png")
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+ no-repeat left top;
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+ background-size: 100% 100%;
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+ }
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+ }
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+ .audioName {
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+ width: 24px;
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+ margin-right: 16px;
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+ }
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+ }
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+ .loadBtn {
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+ background: url("../../assets/learncenter/loading-red.png") no-repeat left
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+ top;
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+ background-size: 100% 100%;
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+ }
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+ .go-start {
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+ width: 24px;
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+ height: 24px;
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+ cursor: pointer;
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+ display: block;
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+ background: url("../../assets/learncenter/go-start.png") no-repeat left top;
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+ background-size: 100% 100%;
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+ &.disabled {
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+ background: url("../../assets/learncenter/go-start-disabled.png")
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+ no-repeat left top;
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+ background-size: 100% 100%;
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+ }
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+ }
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+ .go-end {
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+ width: 24px;
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+ height: 24px;
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+ cursor: pointer;
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+ display: block;
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+ background: url("../../assets/learncenter/go-end.png") no-repeat left top;
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+ background-size: 100% 100%;
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+ &.disabled {
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+ background: url("../../assets/learncenter/go-end-disabled.png") no-repeat
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+ left top;
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+ background-size: 100% 100%;
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+ }
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+ }
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+ .play-mode {
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+ width: 24px;
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+ height: 24px;
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+ cursor: pointer;
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+ display: block;
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+ &.order {
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+ background: url("../../assets/learncenter/auto-24-disable-black.png")
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+ no-repeat left top;
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+ background-size: 100% 100%;
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+ }
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+ .roll {
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+ background: url("../../assets/learncenter/Repeat-24-disable-Black.png")
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+ no-repeat left top;
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+ background-size: 100% 100%;
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+ }
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+ }
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+ .common-btn {
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+ width: 40px;
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+ height: 40px;
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+ display: flex;
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+ justify-content: center;
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+ align-items: center;
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+ border-radius: 8px;
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+ &.active {
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+ background: #eeeeee;
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+ }
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+ > img {
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+ width: 24px;
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+ height: 24px;
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+ }
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+ }
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+}
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+</style>
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+<style lang="scss">
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+.AudioNNPE {
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+ .el-slider__button-wrapper {
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+ position: relative;
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+ z-index: 0;
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+ }
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+ .el-slider__button {
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+ width: 8px;
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+ height: 8px;
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+ top: 12px;
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+ position: absolute;
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+ }
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+ .el-slider__runway {
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+ margin: 0;
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+ padding: 0;
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+ background: #e5e5e5;
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+ border-radius: 0px;
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+ height: 2px;
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+ }
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+ .el-slider {
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+ position: relative;
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+ }
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+ .el-slider__bar {
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+ height: 2px;
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+ background: #1890ff;
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+ }
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+ .el-slider__button {
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+ background: #1890ff;
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+ border: none;
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+ }
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+}
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|
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+</style>
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