vue仿网易云音乐播放器界面的简单实现过程

<template>
  <div class="main-page">
    <audio :src="songInfo.url" id="music" autoplay="autoplay"></audio>
    <div
      class="background-flitter"
      :style="`background-image: url(${songInfo.cover})`"
    ></div>
    <div class="play-mini">
      <div class="progress-bar" @click="handleProgressClick" ref="track">
        <div
          class="progress-box"
          :style="{ width: audioProgressPercent }"
        ></div>
      </div>
      <div class="songInfo">
        <img class="poster" :src="songInfo.cover" alt="" />
        <!-- 歌名、歌手名 -->
        <div class="info">
          <p style="font-weight: 600; color: #fff;">{{ songInfo.name }}</p>
          <p style="font-size: 14px; color: #fff">{{ songInfo.artistsName }}</p>
        </div>
      </div>
      <div class="controls">
        <!-- 上一首提示 -->
        <Tooltip content="上一首" theme="light" :delay="1500">
          <a href="javascript:;">
            <Icon
              type="md-skip-backward"
              @click="skipBack"
              size="26"
              color="white"
            />
          </a>
        </Tooltip>
        <!-- 播放暂停 -->
        <Tooltip content="播放暂停" theme="light" :delay="1500">
          <img
            @click="playMusic"
            class="status"
            v-show="!playing"
            src="@/assets/play_icon.png"
            alt=""
          />
          <img
            class="status"
            @click="playMusic"
            v-show="playing"
            src="@/assets/play-02.png"
            alt=""
          />
        </Tooltip>
        <!-- 下一首提示 -->
        <Tooltip content="下一首" theme="light" :delay="1500">
          <a href="javascript:;">
            <Icon
              type="md-skip-forward"
              @click="skipForward"
              size="26"
              color="white"
            />
          </a>
        </Tooltip>
      </div>
      <div class="right-botton">
        <div class="text-div"></div>
        <!-- 音量 -->
        <a href="javascript:;">
          <Icon
            :type="volumeType"
            size="26"
            color="white"
            @click="volumeChange"
          />
        </a>
        <div class="text-div"></div>
        <Slider
          style="width: 80px; z-index: 99999"
          @on-input="changeVolum"
          v-model="volume"
        ></Slider>
        <div class="text-div"></div>
        <div class="text-div"></div>
        <div class="text-div"></div>
        <!-- 歌曲播放类型 -->
        <Tooltip :content="showPlayType" theme="light" :delay="1500">
          <a href="javascript:;">
            <Icon
              :custom="playStatus"
              @click="playTypeChange"
              size="26"
              color="white"
            />
          </a>
        </Tooltip>
        <div class="text-div"></div>
        <div class="text-div"></div>
        <div class="playlist">
          <!-- 播放列表 -->
          <Tooltip content="列表" theme="light" :delay="1500">
            <a href="javascript:;">
              <Icon
                custom="iconfont icon-bofangqi-xuanji"
                @click="drawer = true"
                size="36"
                color="white"
              />
            </a>
          </Tooltip>
        </div>
      </div>
    </div>
    <div class="song-cover-lyric">
      <div class="disc-continer">
        <div class="poster" ref="rotate">
          <img :src="songInfo.cover" alt="" />
        </div>
        <div class="song-name">{{ songInfo.name }}</div>
        <div class="song-artistsName">{{ songInfo.artistsName }}</div>
      </div>
      <div class="lyric">
        <mscroll
          ref="lyric"
          :color="color"
          :colorLight="colorLight"
          :lineHeight="lineHeight"
          :paddingTop="paddingTop"
          :fontSize="fontSize"
          :lyricIndex="lyricIndex"
          :lyricsList="lyricInfo"
        ></mscroll>
      </div>
    </div>
    <Drawer
      title="播放列表"
      placement="left"
      width="320"
      :closable="false"
      v-model="drawer"
    >
      <div class="list-container">
        <div
          class="songInfo"
          v-for="(item, index) in songList"
          :key="index"
          @click="PlayListMusic(index)"
        >
          <img :src="item.cover" alt="" />
          <div class="info">
            <div class="name">{{ item.name }}</div>
            <div class="singer">{{ item.artistsName }}</div>
          </div>
        </div>
      </div>
    </Drawer>
  </div>
</template>
<script>
import { showMessage } from "../../publicMethod/publicMethods";
import Mscroll from "./lyricScroll.vue";
import commonJs from "../../utils/timeConversion";
import axios from "axios";
export default {
  data() {
    return {
      volumeNum: 80, //暂存的音量
      volumeStatus: true, //音量图标的变化
      volumeType: "md-volume-up", //音量图标
      playStatus: "iconfont icon-xunhuanbofang", //播放类型图标
      playing: false,
      drawer: false,
      playIndex: 0,
      songInfo: {},
      songList: [],
      volume: 80, // 音量
      lyricInfo: [],
      playType: 1, // 播放类型：1-列表循环，2-随机播放，3-单曲循环
      showPlayType: "列表循环",
      audioProgress: 0,
      thumbTranslateX: 0,
      lyricIndex: 0,
      color: "#fff", //歌词默认颜色
      colorLight: "#40ce8f", //歌词高亮色
      fontSize: "16px", //歌词字体大小
      lineHeight: "42", //每段行高
      paddingTop: "300px", //高亮歌词部分居中
    };
  },
  created() {},
  components: {
    Mscroll,
  },
  computed: {
    audioProgressPercent() {
      return `${this.audioProgress * 100}%`;
    },
  },
  mounted() {
    const music = document.getElementById("music");
    if (this.$route.query.play) {
      this.ClickPlay();
    } else {
this.GetSongList();
    }
 
    if (this.playing) {
      // 播放中,点击则为暂停
      this.playing = false;
      this.$refs.rotate.style.animationPlayState = "paused";
      music.pause();
    } else {
      // 暂停中,点击则为播放
      this.playing = true;
      this.$refs.rotate.style.animationPlayState = "running";
      music.play();
    }
  },
  methods: {
    //音量变化
    volumeChange() {
      if (this.volumeStatus) {
        this.volumeStatus = false;
        this.volumeNum = this.volume;
        this.volume = 0;
        this.volumeType = "md-volume-off";
      } else {
        this.volumeStatus = true;
        this.volume = this.volumeNum;
        this.volumeType = "md-volume-up";
      }
    },
    //歌曲播放类型变化
    playTypeChange() {
      if (this.playType == 1) {
        this.playType = 2;
        this.showPlayType = "随机播放";
        this.playStatus = "iconfont icon-suijibofang";
        return;
      }
      if (this.playType == 2) {
        this.playType = 3;
        this.showPlayType = "单曲循环";
        this.playStatus = "iconfont icon-danquxunhuan";
        return;
      }
      if (this.playType == 3) {
        this.playType = 1;
        this.showPlayType = "列表循环";
        this.playStatus = "iconfont icon-xunhuanbofang";
        return;
      }
    },
    ClickPlay() {
      this.audioInit();
      this.getMusicList(this.songInfo.id);
      this.$refs.rotate.style.animationPlayState = "running";
      this.playing = true;
      setTimeout(() => {
        music.play();
      }, 100);
    },
    GetSongList() {
      axios.get("/musicController/getMusicList").then(this.GetSongListInfo);
    },
    GetSongListInfo(res) {
      let myList;
      if (res.code == "0000") {
        myList = res.data;
      } else {
        console.log("没查到数据");
        myList = [
          {
            artistsName: "房东的猫",
            cover:
              "https://p3.music.126.net/KkrcSwKbRsd8GuaOHILlxA==/109951166077317301.jpg",
            id: 1857630559,
            name: "New Boy",
            url: "https://music.163.com/song/media/outer/url?id=1857630559.mp3",
            lyric:
              "n[00:25.075]n[00:25.189]是的我看见到处是阳光n[00:29.156]快乐在城市上空飘扬n[00:32.773]新世界来得像梦一样n[00:36.689]让我暖洋洋n[00:40.122]你的老怀表还在转吗n[00:43.822]你的旧皮鞋还能穿吗n[00:47.506]这儿有一支未来牌香烟n[00:51.479]你不想尝尝吗n[00:54.512]明天一早 我猜阳光会好n[01:02.679]我要把自己打扫n[01:05.896]把破旧的全部卖掉n[01:09.212]哦这样多好 快来吧奔腾电脑n[01:17.329]就让它们代替我来思考n[01:27.229]穿新衣吧 剪新发型呀n[01:31.347]轻松一下Windows98n[01:35.048]打扮漂亮 18岁是天堂n[01:39.064]我们的生活甜得像糖n[01:42.431]穿新衣吧 剪新发型呀n[01:46.098]轻松一下Windows98n[01:49.914]以后的路不再会有痛苦n[01:53.948]我们的未来该有多酷n[02:12.481]是的我看见到处是阳光n[02:16.164]快乐在城市上空飘扬n[02:19.847]新世界来的像梦一样n[02:23.748]让我暖洋洋n[02:27.164]你的老怀表还在转吗n[02:30.815]你的旧皮鞋还能穿吗n[02:34.614]这儿有一支未来牌香烟n[02:38.448]你不想尝尝吗n[02:41.548]明天一早我猜阳光会好n[02:49.898]我要把自己打扫n[02:53.564]把破旧的全部卖掉n[02:56.198]哦这样多好 快来吧奔腾电脑n[03:04.598]就让它们代替我来思考n[03:11.081]n[03:11.414]穿新衣吧剪新发型呀n[03:14.698]轻松一下Windows98n[03:18.264]打扮漂亮18岁是天堂n[03:22.481]我们的生活甜得像糖n[03:25.964]穿新衣吧剪新发型呀n[03:29.515]轻松一下Windows98n[03:33.264]以后的路不再会有痛苦n[03:37.681]我们的未来该有多酷",
          },
        ];
      }
      this.songList = myList;
      this.songInfo = this.songList[0];
      this.getMusicList(this.songInfo.id); //通过正在播放的歌曲id获取歌曲播放的URL歌词信息
      this.audioInit();
    },
    audioInit() {
      let that = this;
      let progressL = this.$refs.track.offsetWidth; // 进度条总长
      music.addEventListener("timeupdate", () => {
        // 当前播放时间
        let compareTime = music.currentTime;
        for (let i = 0; i < that.lyricInfo.length; i++) {
          if (compareTime > parseInt(that.lyricInfo[i].time)) {
            const index = that.lyricInfo[i].index;
            if (i === parseInt(index)) {
              that.lyricIndex = i;
            }
          }
        }
        that.currentTime = commonJs.TimeToString(music.currentTime);
        that.audioProgress = music.currentTime / music.duration;
        that.thumbTranslateX = (that.audioProgress * progressL).toFixed(3);
      });
      music.addEventListener("ended", () => {
        switch (parseInt(that.playType)) {
          case 1: // 列表循环
            that.playIndex =
              that.playIndex + 1 >= that.songList.length
                ? 0
                : that.playIndex + 1;
            break;
          case 2: // 随机播放
            that.playIndex = Math.floor(Math.random() * that.songList.length);
            break;
          case 3: // 单曲循环
            break;
        }
        that.songInfo = that.songList[that.playIndex];
        this.getMusicList(that.songInfo.id);
        setTimeout(() => {
          this.$refs.rotate.style.animationPlayState = "running";
          music.play();
        }, 200);
      });
    },
    //播放与暂停
    playMusic() {
      if (this.playing) {
        // 播放中,点击则为暂停
        this.playing = false;
        this.$refs.rotate.style.animationPlayState = "paused";
        music.pause();
      } else {
        // 暂停中,点击则为播放
        this.playing = true;
        this.$refs.rotate.style.animationPlayState = "running";
        music.play();
      }
    },
    PlayListMusic(index) {
      this.playIndex = index;
      this.songInfo = this.songList[this.playIndex];
      this.getMusicList(this.songInfo.id);
      this.playing = true;
      this.drawer = false;
      setTimeout(() => {
        this.$refs.rotate.style.animationPlayState = "running";
        music.play();
      }, 200);
    },
    //点击进度条
    handleProgressClick(event) {
      let progressL = this.$refs.track.offsetWidth; // 进度条总长
      let clickX = event.offsetX;
      let time = (clickX / progressL).toFixed(2);
      this.setProgress(time);
    },
    setProgress(x) {
      music.currentTime = music.duration * x;
    },
    // 上一首
    skipBack() {
      this.skipFn("skipBack");
    },
    // 下一首
    skipForward() {
      this.skipFn("skipForward");
    },
    //上下首封装
    skipFn(type) {
      switch (parseInt(this.playType)) {
        case 2: // 随机播放
          this.playIndex = Math.floor(Math.random() * this.songList.length);
          break;
        default:
          if (type == "skipBack") {
            this.playIndex - 1 >= 0 ? this.playIndex-- : 0;
          } else {
            this.playIndex =
              this.playIndex + 1 >= this.songList.length
                ? this.songList.length - 1
                : this.playIndex + 1;
          }
          break;
      }
      this.songInfo = this.songList[this.playIndex];
      this.getMusicList(this.songInfo.id);
      this.playing = true;
      setTimeout(() => {
        this.$refs.rotate.style.animationPlayState = "running";
        music.play();
      }, 200);
    },
    //调节音量
    changeVolum(c) {
      music.volume = c / 100;
      if (music.volume == 0) {
        this.volumeType = "md-volume-off";
      } else {
        this.volumeType = "md-volume-up";
      }
    },
    //获取歌曲播放的URL信息
    getMusicList(id) {
      let that = this;
      axios.get("/musicController/getMusicURLInfo/" + id).then(function (res) {
        switch (res.code) {
          case "0000":
            that.songInfo.url = res.data.url;
            that.GetLyricList(res.data.lyric);
            break;
          case "1111":
            showMessage("warning", res.message);
            break;
        }
      });
    },
    GetLyricList(lrc) {
      let lyricsObjArr = [];
      const regNewLine = /n/;
      const lineArr = lrc.split(regNewLine); // 每行歌词的数组
      const regTime = /[d{2}:d{2}.d{2,3}]/;
      lineArr.forEach((item) => {
        if (item === "") return;
        const obj = {};
        const time = item.match(regTime);
 
        obj.lyric =
          item.split("]")[1].trim() === "" ? "" : item.split("]")[1].trim();
        obj.time = time
          ? commonJs.TimeToSeconds(time[0].slice(1, time[0].length - 1))
          : 0;
        obj.uid = Math.random().toString().slice(-6);
        if (obj.lyric === "") {
          console.log("这一行没有歌词");
        } else {
          lyricsObjArr.push(obj);
        }
      });
      this.lyricInfo = lyricsObjArr.map((item, index) => {
        item.index = index;
        return {
          ...item,
        };
      });
    },
  },
};
</script>
 
<style lang="less" scoped>
.main-page {
  width: 100%;
  height: 100%;
  position: absolute;
  background: rgba(15, 15, 15, 0.4);
  overflow: hidden;
  .background-flitter {
    position: absolute;
    z-index: 0;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-size: cover;
    background-position: 50%;
    filter: blur(8px);
    // margin: -20px;
    opacity: 0.7;
    overflow: hidden;
    box-sizing: border-box;
  }
  .play-mini {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 72px;
    // background: #fff;
    display: flex;
    align-items: center;
    padding: 6px 0;
    box-sizing: border-box;
    z-index: 10;
    .songInfo {
      min-width: 360px;
      max-width: 480px;
      position: relative;
      padding: 0 18px;
      box-sizing: border-box;
      display: flex;
      .poster {
        width: 52px;
        height: 52px;
        border-radius: 5px;
        margin-top: 4px;
        margin-right: 20px;
      }
      .info {
        min-width: 280px;
        height: 100%;
        line-height: 30px;
        font-size: 16px;
      }
    }
    .controls {
      width: 280px;
      height: 100%;
      display: flex;
      align-items: center;
      img {
        width: 40px;
        height: 40px;
        cursor: pointer;
      }
      .status {
        width: 40px;
        height: 40px;
        margin-left: 36px;
        margin-right: 36px;
        cursor: pointer;
      }
    }
    .progress-bar {
      position: absolute;
      z-index: 10;
      top: -5px;
      width: 100%;
      height: 5px;
      background: rgba(255, 255, 255, 0.5);
      cursor: pointer;
      .progress-box {
        height: 100%;
        background: #40ce8f;
        position: relative;
      }
    }
    .right-botton {
      position: relative;
      width: 420px;
      height: 100%;
      display: flex;
      align-items: center;
      .text-div {
        color: #fff;
        height: 100%;
        line-height: 60px;
        margin-left: 5px;
        margin-right: 5px;
      }
      .playlist {
        position: absolute;
        right: 0px;
      }
      a {
        color: #333;
      }
    }
  }
  .song-cover-lyric {
    position: relative;
    width: 100%;
    height: 100%;
    padding-bottom: 72px;
    box-sizing: border-box;
    display: flex;
    overflow: hidden;
    .disc-continer {
      width: 50%;
      height: 100%;
      position: relative;
      .poster {
        position: relative;
        width: 280px;
        height: 280px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        left: 50%;
        top: 100px;
        margin-left: -140px;
        box-shadow: 0 0 0 12px rgba(255, 255, 255, 0.4);
        animation: animations1 12s linear infinite forwards;
        animation-play-state: paused;
        overflow: hidden;
        margin-bottom: 160px;
        img {
          width: 100%;
          height: 100%;
        }
      }
      .song-name {
        width: 100%;
        height: 40px;
        text-align: center;
        font-size: 32px;
        font-weight: 600;
        color: #fff;
        line-height: 40px;
      }
      .song-artistsName {
        width: 100%;
        height: 40px;
        text-align: center;
        font-size: 28px;
        font-weight: 600;
        color: #fff;
        line-height: 40px;
        margin-top: 24px;
      }
      @keyframes animations1 {
        from {
          transform: rotate(0deg);
        }
        to {
          transform: rotate(360deg);
        }
      }
    }
    .lyric {
      width: 50%;
      height: 600px;
      position: relative;
      overflow: hidden;
    }
  }
}
</style>
<style lang="less">
.ivu-drawer-body {
  .list-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    position: relative;
    .songInfo {
      width: 100%;
      height: 42px;
      display: flex;
      align-items: center;
      margin-bottom: 12px;
      cursor: pointer;
      img {
        width: 36px;
        height: 36px;
        border-radius: 5px;
        margin-right: 12px;
      }
      .info {
        position: relative;
        width: 240px;
        height: 36px;
        line-height: 18px;
        .name {
          width: 100%;
          height: 18px;
          font-size: 14px;
          font-weight: 600;
          text-overflow: ellipsis;
          overflow: hidden;
          white-space: nowrap;
          line-height: 18px;
        }
        .singer {
          width: 100%;
          height: 18px;
          font-size: 12px;
          text-overflow: ellipsis;
          overflow: hidden;
          white-space: nowrap;
          line-height: 18px;
        }
      }
    }
  }
}
</style>

<template>
  <!--歌词-->
  <div
    ref="musicLyric"
    class="music-lyric"
    :style="{ 'padding-top': paddingTop }"
  >
    <div class="music-lyric-items" :style="lyricTop">
      <template v-if="lyricsList.length > 0">
        <p
          v-for="(item, index) in lyricsList"
          :key="index"
          :data-index="index"
          ref="lyric"
          :style="{
            color: lyricIndex === index ? colorLight : color,
            'font-size': fontSize,
          }"
        >
          {{ item.lyric }}
        </p>
      </template>
      <p style="color: #fff" v-else>歌词拼命加载中。。。。。</p>
    </div>
  </div>
</template>
 
<script>
const COMPONENT_NAME = "scroll";
 
export default {
  name: COMPONENT_NAME,
  props: {
    // 歌词列表
    lyricsList: {
      type: Array,
      default: () => [],
    },
    // 当前歌词下标索引
    lyricIndex: {
      type: Number,
      default: 0,
    },
    // 歌词默认色
    color: {
      type: String,
      default: "#fff",
    },
    // 歌词高亮色
    colorLight: {
      type: String,
      default: "#40ce8f",
    },
    fontSize: {
      type: String,
      default: "16px",
    },
    lineHeight: {
      type: String,
      default: "42",
    },
    paddingTop: {
      type: String,
      default: "300px",
    },
  },
  data() {
    return {
      top: 0, // 歌词居中
      //歌词list示例
      lyricListDemo: [
        {
          index: 0,
          lyric: "作曲 : CMJ",
          time: 0,
        },
        {
          index: 1,
          lyric: "作词 : 桃玖",
          time: 0.29,
        },
        {
          index: 2,
          lyric: "你听啊秋末的落叶",
          time: 0.89,
        },
        {
          index: 3,
          lyric: "你听它叹息着离别",
          time: 5.14,
        },
        {
          index: 4,
          lyric: "只剩我独自领略",
          time: 9.39,
        },
        {
          index: 5,
          lyric: "海与山 风和月",
          time: 13.14,
        },
      ],
    };
  },
  mounted() {},
  watch: {
    lyricIndex(newVal, oldVal) {},
  },
  computed: {
    lyricTop() {
      return `transform :translate3d(0, ${(0 - this.lineHeight) *
        (this.lyricIndex - this.top)}px, 0);color: ${this.color};line-height: ${
        this.lineHeight
      }px`;
    },
  },
  methods: {},
};
</script>
<style lang="less" scoped>
/*歌词部分*/
.music-lyric {
  padding-top: 300px;
  box-sizing: border-box;
  overflow: hidden;
  text-align: center;
  mask-image: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0.6) 5%,
    rgba(255, 255, 255, 1) 15%,
    rgba(255, 255, 255, 1) 85%,
    rgba(255, 255, 255, 0.6) 95%,
    rgba(255, 255, 255, 0) 100%
  );
  .music-lyric-items {
    text-align: center;
    font-size: 16px;
    color: #fff;
    transform: translate3d(0, 0, 0);
    transition: transform 0.6s ease-out;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    .on {
      color: #40ce8f;
    }
  }
}
</style>

/**
 * @author lyq
 * @time 2021年11月21日21:08:48
 *
 * 秒值转时分秒
 * @name TimeToString
 * @example 秒值转时分秒
 * @param {String} seconds 秒
 */
const TimeToString = (seconds) => {
    let param = parseInt(seconds);
    let hh = "",
        mm = "",
        ss = "";
    if (param >= 0 && param < 60) {
        param < 10 ? (ss = "0" + param) : (ss = param);
        return "00:" + ss;
    } else if (param >= 60 && param < 3600) {
        mm = parseInt(param / 60);
        mm < 10 ? (mm = "0" + mm) : mm;
        param - parseInt(mm * 60) < 10 ?
            (ss = "0" + String(param - parseInt(mm * 60))) :
            (ss = param - parseInt(mm * 60));
        return mm + ":" + ss;
    }
}

/**
 * @author : [LiuYanQiang]
 * @version : [v1.0]
 * @className : MusicServiceImpl
 * @description : [描述说明该类的功能]
 * @createTime : [2021/11/16 14:28]
 * @updateUser : [LiuYanQiang]
 * @updateTime : [2021/11/16 14:28]
 * @updateRemark : [描述说明本次修改内容]
 */
@Service
@Slf4j
public class MusicServiceImpl implements MusicService {
    @Autowired
    private Environment environment;
 
 
    /*
     * @version V1.0
     * Title: getMusicList
     * @author LiuYanQiang
     * @description 获取热歌榜随机二十首音乐信息
     * @createTime  2021/11/16 14:32
     * @param []
     * @return java.util.Map*/
    @Override
    public List<Map<String, Object>> getMusicList() {
        JSONArray resultObject = null;
        //拼接URL发送对应的请求
        StringBuffer url = new StringBuffer();
        url.append("https://api.vvhan.com/api/rand.music?type=all&sort=热歌榜");
        //获取接口的返回值
        String body = HttpUtils.sendGet(url.toString());
        resultObject = JSONObject.parseArray(body);
        List<Map<String, Object>> list = new ArrayList<>();
        for (int i = 0; i < resultObject.size(); i++) {
            HashMap<String, Object> map = new HashMap<String, Object>();
            JSONObject jsonObject = resultObject.getJSONObject(i);
            map.put("cover", JSONObject.parseObject(jsonObject.get("album").toString()).getString("picUrl"));
            map.put("artistsName", JSONObject.parseArray(jsonObject.get("artists").toString()).getJSONObject(0).getString("name"));
            map.put("name", jsonObject.getString("name"));
            map.put("id", jsonObject.getString("id"));
            list.add(map);
        }
        Random random = new Random();
        int num = random.nextInt(179) % (179 - 0 + 1) + 0;
        list = list.subList(num, num + 20);
        return list;
    }
 
    /*
     * @version V1.0
     * Title: getMusicURLInfo
     * @author LiuYanQiang
     * @description 获取音乐播放的URL信息
     * @createTime  2021/11/19 9:22
     * @param [Id——音乐Id]
     * @return java.util.List<java.util.Map<java.lang.String,java.lang.Object>>*/
    @Override
    public Map<String, Object> getMusicURLInfo(String Id) {
        JSONObject resultObject = null;
        //拼接URL发送对应的请求
        StringBuffer url = new StringBuffer();
        url.append("https://api.vvhan.com/api/music?id=" + Id + "&type=song&media=netease");
        //获取接口的返回值
        String body = HttpUtils.sendGet(url.toString());
        resultObject = JSONObject.parseObject(body);
        HashMap<String, Object> map = new HashMap<String, Object>();
        //判断第三方给的音乐URL是否有效，无效则替换官方的URL
        if(this.isValid(resultObject.get("mp3url").toString())){
            map.put("id", resultObject.get("song_id").toString());
            map.put("name", resultObject.get("name"));
            map.put("artistsName", resultObject.get("author"));
            map.put("cover", resultObject.get("cover"));
            map.put("url", resultObject.get("mp3url"));
            map.put("lyric", this.getMusicLyricById(Id) != null ? this.getMusicLyricById(Id) : null);
        }
        else{
            map.put("id", Id);
            map.put("url", "https://music.163.com/song/media/outer/url?id="+Id+".mp3");
            map.put("lyric", this.getMusicLyricById(Id) != null ? this.getMusicLyricById(Id) : null);
        }
        return map;
    }
 
    /*
     * @version V1.0
     * Title: isValid
     * @author LiuYanQiang
     * @description 判断链接是否有效
     * @createTime  2021/11/20 10:23
     * @param [strLink——输入链接]
     * @return boolean
     * */
    public boolean isValid(String strLink) {
        URL url;
        try {
            url = new URL(strLink);
            HttpURLConnection connt = (HttpURLConnection) url.openConnection();
            connt.setRequestMethod("HEAD");
            String strMessage = connt.getResponseMessage();
            if (strMessage.compareTo("Not Found") == 0) {
                return false;
            }
            connt.disconnect();
        } catch (Exception e) {
            return false;
        }
        return true;
    }
 
    /*
     * @version V1.0
     * Title: getRandomFiveMusic
     * @author LiuYanQiang
     * @description 随机5首音乐，不能频繁调用，不然网易云接口回调异常
     * @createTime  2021/11/19 9:08
     * @param []
     * @return java.util.List<java.util.Map<java.lang.String,java.lang.Object>>*/
    @Override
    public List<Map<String, Object>> getRandomFiveMusic() {
        List<Map<String, Object>> list = new ArrayList<>();
        for (int i = 0; i < 5; i++) {
            JSONObject resultObject = null;
            //拼接URL发送对应的请求
            StringBuffer url = new StringBuffer();
            url.append("https://api.vvhan.com/api/rand.music?type=json&sort=热歌榜");
            //获取接口的返回值
            String body = HttpUtils.sendGet(url.toString());
            resultObject = JSONObject.parseObject(body);
            JSONObject info = JSONObject.parseObject(resultObject.get("info").toString());
            HashMap<String, Object> map = new HashMap<String, Object>();
            map.put("id", info.get("id").toString());
            map.put("name", info.get("name"));
            map.put("artistsName", info.get("auther"));
            map.put("cover", info.get("picUrl"));
            map.put("url", info.get("mp3url"));
            map.put("lyric", this.getMusicLyricById(info.get("id").toString()) != null ? this.getMusicLyricById(info.get("id").toString()) : null);
            list.add(map);
            log.info("调用成功" + i + "次");
        }
        return list;
    }
 
    /*
     * @version V1.0
     * Title: getMusicLyricById
     * @author LiuYanQiang
     * @description 获取歌词信息
     * @createTime  2021/11/16 19:23
     * @param [Id——音乐Id]
     * @return java.lang.String*/
    @Override
    public String getMusicLyricById(String Id) {
        try {
            JSONObject resultObject = null;
            //拼接URL发送对应的请求
            StringBuffer url = new StringBuffer();
            url.append("https://music.163.com/api/song/media?id=" + Id);
            //获取接口的返回值
            String body = HttpUtils.sendGet(url.toString());
            resultObject = JSONObject.parseObject(body);
            if (resultObject.get("lyric").toString() != null) {
                return resultObject.get("lyric").toString();
            } else {
                return null;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
}