PHP는 WeChat 애플릿에서 음악 컨트롤러 기술을 구현합니다.

<?php
// 定义上传文件存放的目录
$target_dir = "uploads/";

// 定义上传的文件名
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);

// 判断文件是否已经存在，如果存在则给出错误提示
if (file_exists($target_file)) {
    echo "Sorry, file already exists.";
    exit;
}

// 判断文件上传是否成功，如果成功则将文件移动到指定的目录，上传完成
if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
    echo "The file " . basename($_FILES["fileToUpload"]["name"]) . " has been uploaded.";
} else {
    echo "Sorry, there was an error uploading your file.";
}
?>

<?php
// 定义音乐文件存放的目录
$music_dir = "uploads/";

// 获取音乐文件列表
$music_files = array_diff(scandir($music_dir), array('.', '..'));

foreach ($music_files as $music_file) {
    // 将文件路径存储到数组中
    $music_list[] = $music_dir . $music_file;
}
?>

<view class="container">
  <audio id="audio" src="{{musicUrl}}" />
  <button bindtap="play">播放</button>
  <button bindtap="pause">暂停</button>
  <button bindtap="stop">停止</button>
</view>

<script>
Page({
  data: {
    // 初始化音乐播放控制器的状态
    musicUrl: '',
  },

  onLoad: function () {
    var that = this;

    wx.request({
      url: 'https://yourserver.com/getmusiclist.php', // 获取音乐文件列表
      success: function(res) {
        that.setData({
          musicList: res.data,
        })
      }
    })
  },

  play: function () {
    var that = this;
    wx.playBackgroundAudio({
      dataUrl: that.data.musicList[0], // 播放第一个音乐文件
      title: '',
      success: function (res) {
        that.setData({
          musicUrl: that.data.musicList[0],
        })
      }
    })
  },

  pause: function () {
    wx.pauseBackgroundAudio()
  },

  stop: function () {
    wx.stopBackgroundAudio()
  }
})
</script>