How to use Vue and NetEase Cloud API to implement multiple music playback modes

How to use Vue and NetEase Cloud API to implement multiple music playback modes

Introduction:
With the rapid development of the Internet, music playback has become an indispensable part of our lives. On the NetEase Cloud Music platform, there are rich music resources and a rich API for developers to use. This article will introduce how to use the Vue framework and NetEase Cloud API to implement multiple music playback modes.

1. Preparation
First, we need to apply for a developer account on the NetEase Cloud Music Developer Platform and obtain a valid API key. Then, install the axios library in the Vue project for sending network requests. You can install it through the following command:

npm install axios

2. Get the music list
First, we need to get the music list for the user to choose to play. We will use the playlist details interface of NetEase Cloud API to obtain the music list.

methods: {
  async getMusicList() {
    try {
      const response = await axios.get('https://api.example.com/playlist/detail', {
        params: {
          id: '123456' // 此处填写你自己的歌单id
        }
      })

      this.musicList = response.data.playlist.tracks
    } catch (error) {
      console.log(error)
    }
  }
}

3. Realize Single Loop
Single loop means that in the playlist, after a song is played, it will automatically play the song in a loop. We can achieve this through Vue's computed properties.

computed: {
  currentSong() {
    return this.musicList[this.currentIndex]
  }
},
methods: {
  play() {
    // 播放当前歌曲
  },
  playNext() {
    this.currentIndex = (this.currentIndex + 1) % this.musicList.length
    this.play()
  }
}

4. Implement sequential playback
Sequential playback means playing songs in the playlist in the order they are added. When the last song is played, stop playing. We can add judgment logic in the playNext method.

methods: {
  playNext() {
    this.currentIndex += 1
    if (this.currentIndex < this.musicList.length) {
      this.play()
    } else {
      this.stop()
    }
  }
}

5. Implement random play
Random play means randomly selecting a song to play in the playlist. After each playback, a random song is selected from the list. We can use Vue's calculated properties and Math.random() method to achieve this.

computed: {
  randomIndex() {
    return Math.floor(Math.random() * this.musicList.length)
  },
  currentSong() {
    return this.musicList[this.randomIndex]
  }
},
methods: {
  playNext() {
    this.play()
  }
}

6. Switch playback mode
Finally, we can add a button to switch playback mode. Users can switch between single loop, sequential playback and random playback modes by clicking the button.

<template>
  <div>
    <button @click="changeMode">{{ mode }}</button>
  </div>
</template>
<script>
export default {
  data() {
    return {
      mode: '单曲循环'，
      currentIndex: 0,
      musicList: []
    }
  },
  methods: {
    changeMode() {
      if (this.mode === '单曲循环') {
        this.mode = '顺序播放'
        this.playNext = this.playNextSequential
      } else if (this.mode === '顺序播放') {
        this.mode = '随机播放'
        this.playNext = this.playNextRandom
      } else if (this.mode === '随机播放') {
        this.mode = '单曲循环'
        this.playNext = this.playNextLoop
      }
    },
    playNextSequential() {
      this.currentIndex += 1
      if (this.currentIndex < this.musicList.length) {
        this.play()
      } else {
        this.stop()
      }
    },
    playNextRandom() {
      this.play()
    },
    playNextLoop() {
      this.currentIndex = (this.currentIndex + 1) % this.musicList.length
      this.play()
    }
  }
}
</script>

Conclusion:
Through the introduction of this article, we have learned how to use the Vue framework and NetEase Cloud API to implement multiple music playback modes. From single loop to sequential playback to random playback, we can flexibly switch playback modes according to user needs to provide a better music experience. I hope this article will be helpful to your study!

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