关于程序员:Hexo博客Next主题魔改教程系列音乐播放器

之前写过给博客增加音乐播放器, 次要应用的是 Hexo-tag-aplayer 同时应用 Meting-js。
但最近发现貌似 Meting-js 呈现了一些问题, 次要是拜访跨域的问题.

所以为了网站失常显示播放器, 同时也为了操作不便, 我这里又应用了 firame

<iframe frameborder="no" border="0" marginwidth="0" marginheight="0" width="330" height="110" src="//music.163.com/outchain/player?type=0&amp;id=6856787487&amp;auto=0&amp;height=90"></iframe>

同时在 meting-js 里减少判断, 如果报错就显示这个 iframe 元素, 所以就不应用 cdn 引入了.

下载 meting-js 文件并引入.

批改一下

class MetingJSElement extends HTMLElement {connectedCallback() {if (window.APlayer && window.fetch) {this._init()
      this._parse()}
  }

  disconnectedCallback() {if (!this.lock) {this.aplayer.destroy()
    }
  }

  _camelize(str) {
    return str
      .replace(/^[_.\-]+/, '')
      .toLowerCase()
      .replace(/[_.\-]+(\w|$)/g, (m, p1) => p1.toUpperCase())
  }

  _init() {let config = {}
    for (let i = 0; i < this.attributes.length; i += 1) {config[this._camelize(this.attributes[i].name)] = this.attributes[i].value
    }
    let keys = [
      'server', 'type', 'id', 'api', 'auth',
      'auto', 'lock',
      'name', 'title', 'artist', 'author', 'url', 'cover', 'pic', 'lyric', 'lrc',
    ]
    this.meta = {}
    for (let key of keys) {this.meta[key] = config[key]
      delete config[key]
    }
    this.config = config

    this.api = this.meta.api || window.meting_api || 'https://api.i-meto.com/meting/api?server=:server&type=:type&id=:id&r=:r'
    if (this.meta.auto) this._parse_link()}

  _parse_link() {
    let rules = [['music.163.com.*song.*id=(\\d+)', 'netease', 'song'],
      ['music.163.com.*album.*id=(\\d+)', 'netease', 'album'],
      ['music.163.com.*artist.*id=(\\d+)', 'netease', 'artist'],
      ['music.163.com.*playlist.*id=(\\d+)', 'netease', 'playlist'],
      ['music.163.com.*discover/toplist.*id=(\\d+)', 'netease', 'playlist'],
      ['y.qq.com.*song/(\\w+).html', 'tencent', 'song'],
      ['y.qq.com.*album/(\\w+).html', 'tencent', 'album'],
      ['y.qq.com.*singer/(\\w+).html', 'tencent', 'artist'],
      ['y.qq.com.*playsquare/(\\w+).html', 'tencent', 'playlist'],
      ['y.qq.com.*playlist/(\\w+).html', 'tencent', 'playlist'],
      ['xiami.com.*song/(\\w+)', 'xiami', 'song'],
      ['xiami.com.*album/(\\w+)', 'xiami', 'album'],
      ['xiami.com.*artist/(\\w+)', 'xiami', 'artist'],
      ['xiami.com.*collect/(\\w+)', 'xiami', 'playlist'],
    ]

    for (let rule of rules) {let patt = new RegExp(rule[0])
      let res = patt.exec(this.meta.auto)
      if (res !== null) {this.meta.server = rule[1]
        this.meta.type = rule[2]
        this.meta.id = res[1]
        return
      }
    }
  }

  _parse() {if (this.meta.url) {
      let result = {
        name: this.meta.name || this.meta.title || 'Audio name',
        artist: this.meta.artist || this.meta.author || 'Audio artist',
        url: this.meta.url,
        cover: this.meta.cover || this.meta.pic,
        lrc: this.meta.lrc || this.meta.lyric || '',
        type: this.meta.type || 'auto',
      }
      if (!result.lrc) {this.meta.lrcType = 0}
      if (this.innerText) {
        result.lrc = this.innerText
        this.meta.lrcType = 2
      }
      this._loadPlayer([result])
      return
    }

    let url = this.api
      .replace(':server', this.meta.server)
      .replace(':type', this.meta.type)
      .replace(':id', this.meta.id)
      .replace(':auth', this.meta.auth)
      .replace(':r', Math.random())

    fetch(url)
      .then(res => res.json())
      .then(result => this._loadPlayer(result))
      .catch(error => {addAnotherPlayer(this)
        console.error('There has been a problem with your fetch operation:', error);
  });
  }

  _loadPlayer(data) {

    let defaultOption = {
      audio: data,
      mutex: true,
      lrcType: this.meta.lrcType || 3,
      storageName: 'metingjs'
    }

    if (!data.length) return

    let options = {
      ...defaultOption,
      ...this.config,
    }
    for (let optkey in options) {if (options[optkey] === 'true' || options[optkey] === 'false') {options[optkey] = (options[optkey] === 'true')
      }
    }

    let div = document.createElement('div')
    options.container = div
    this.appendChild(div)

    this.aplayer = new APlayer(options)
  }

}

console.log('\n %c MetingJS v2.0.1 %c https://github.com/metowolf/MetingJS \n', 'color: #fadfa3; background: #030307; padding:5px 0;', 'background: #fadfa3; padding:5px 0;')
function addAnotherPlayer (currentDiv) {
  // 创立一个新的 div 元素
  let newDiv = document.createElement("iframe");
  // 给它一些内容
  newDiv.setAttribute("frameborder","no")
   newDiv.setAttribute("border","0")
   newDiv.setAttribute("marginwidth","0")
 newDiv.setAttribute("marginheight","0")
  newDiv.setAttribute("width",330)
   newDiv.setAttribute("height",110)
    newDiv.setAttribute("src","//music.163.com/outchain/player?type=0&id=6856787487&auto=0&height=90")
  // 将这个新的元素和它的文本增加到 DOM 中
 // let currentDiv = document.getElementsByTagName("meting-js")[0];
  currentDiv.insertAdjacentElement('afterend',newDiv)
}
if (window.customElements && !window.customElements.get('meting-js')) {
  window.MetingJSElement = MetingJSElement
  window.customElements.define('meting-js', MetingJSElement)
}

这样在 fetch 之后报错的话就减少 iframe 元素, 就失常显示一个播放器了.

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