code: def search(self, song_title, limit=1):
          
          url = "http://music.163.com/api/search/pc"
          headers = {'Cookie': 'appver=1.5.2',
                     'Referer': 'http://music.163.com'}
          payload = {'s': song_title,
                     'limit': limit,
                     'type': 1}
  
          r = requests.post(url, params=payload, headers=headers)
          data = json.loads(r.text)
  
          if data['code'] == 200:
              return data['result']['songs'][0]
          else:
              return None
docs: 根据歌曲名搜索歌曲
  
          : params : song_title: 歌曲名
                     limit: 搜索数量