How to write uniapp music player

With the popularity of mobile devices, people now prefer to listen to music through mobile phones or tablets. As a developer, you need to provide users with an excellent music player so that they can play their favorite music conveniently. In this article, we will introduce how to use uniapp to write a simple music player.

1. Preparation

Before you start writing your music player, you need to prepare the environment. First, you need to make sure you have uniapp installed, as well as you need some music files. Music files can be downloaded from some free music websites. You need to put these music files in a folder for easy access in your uniapp.

2. Create the project

Before you start creating your uniapp project, you need to decide some basic things, such as project name, AppID, etc. After deciding these, you can create a new project using uniapp. If you are not familiar with how to create a uniapp project, you can refer to the uniapp official documentation.

3. Configure music files

Next, you need to configure your music files. You need to create a music folder in your project directory and place your music files in it. Then you need to introduce these music files into your uniapp project. You can use uniapp's built-in API to accomplish this task.

Normally, you need to introduce the music file as a resource:

<template>
  <audio src="@/assets/music/song.mp3"></audio>
</template>

In this example, we introduce a music file named 'song.mp3'.

4. Create a music player

Now that we have prepared the music files, next, we need to create a music player. You can create a music player by following the following steps:

• Create a new Vue component in your project
• Add an<audio> in this component tag
• Add some properties and events for this <audio>tag

Here is a sample code to create a music player:

<template>
  <div>
    <audio :src="musicUrl" @play="onPlay" @pause="onPause" @ended="onEnded"></audio>
    <div v-show="!playing" @click="play">播放</div>
    <div v-show="playing" @click="pause">暂停</div>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        musicUrl: "@/assets/music/song.mp3",
        playing: false
      }
    },
    methods: {
      play() {
        this.$refs.audio.play()
        this.playing = true
      },
      pause() {
        this.$refs.audio.pause()
        this.playing = false
      },
      onPlay() {
        console.log("播放")
      },
      onPause() {
        console.log("暂停")
      },
      onEnded() {
        console.log("播放结束")
      }
    }
  }
</script>

In this example, we created a Vue component that contains a <audio> tag for playing music. The musicUrl attribute specifies the location of the music file, and the playing attribute is used to determine whether music is currently playing. We added play and pause methods for playing and pausing music. In addition, we also added three event listeners to the <audio> tag to respond to music play, pause, and play end events.

5. Test Application

Now we have successfully created a simple music player. Before testing your app, make sure you've added some music files. You can click the "Play" button on the page to play your music, or click the "Pause" button to pause the music. If you encounter any problems, you can use uniapp's debugging tools to view the logs to better debug your application.

Summary

In this article, we introduced how to use uniapp to write a simple music player. Although this is just a simple demo, it can still serve as the basis for you to build a more complex music player. If you want to learn more about uniapp and vue, you can refer to the official documentation of uniapp and vue.

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