自己用python做的一款超炫酷音乐播放器

目录

• 前言
• 一、核心功能设计
• UI设计排版布局
• 关键字音乐列表爬虫
• 音乐播放
• 附加功能
• 二、实现步骤
• 1. UI设计排版布局
• 2. 关键字音乐列表爬虫
• 3. 音乐播放
• 4. 附加功能
• 三、结束语

前言

晚上坐在电脑面前，想着一边撸代码，一边听音乐。搜了搜自己想听的歌，奈何好多歌曲都提示需要版权，无法播放！

没办法，想听歌还是得靠自己解决！今天就一起用python自制一款炫酷的音乐播放器吧~

首先一起来看看最终实现的音乐播放器效果：

下面，我们开始介绍这个音乐播放器的制作过程。

一、核心功能设计

总体来说，我们首先需要设计UI界面，对播放器的画面布局进行排版设计；其次我们的这款音乐播放器的主要功能包括根据关键字搜索自动爬取音乐，获取音乐列表，能进行音乐播放。

当然还少不了一些附加功能，例如播放方式列表循环、单曲循环、随机播放，当前上一首下一首播放，播放暂停开始，音量增加减少，播放历史查看等。

拆解需求，大致可以整理出核心功能如下：

UI设计排版布局

• 头部主要包括关键字搜索和音乐来源选择，以及窗体最小化，最大化，关闭功能
• 中间主体包含左右两侧，左侧用来显示播放音乐封面图，右侧用来进行音乐列表显示
• 底部主要来显示当前播放音乐，播放进度条，音量控制，上一首/下一首，暂停/开始，播放方式等附加功能

关键字音乐列表爬虫

• 通过输入的搜索关键字和选择的音乐来源，自动爬取对应的音乐数据
• 将爬取获取的音乐名进行列表显示，显示在中间主体搜索页

音乐播放

• 音乐列表中我们需要双击某一首歌，对爬取的歌曲封面图和歌曲进行下载
• 下载成功，对音乐文件根据播放进度条进行播放

附加功能

• 播放音乐时，我们还需要有播放暂停和启动功能
• 音量控制提高或者降低
• 当前播放歌曲上一首、下一首
• 音乐列表播放方式，列表循环、单曲循环、随机播放

二、实现步骤

1. UI设计排版布局

基于功能点，我们首先考虑进行简单的UI布局设计，这里我们使用的是pyqt5。核心设计代码如下：

def init_ui(self):
    global type
    self.setFixedSize(1025, 750)
    self.main_widget = QWidget()  # 创建窗口主部件
    self.main_layout = QGridLayout()  # 创建主部件的网格布局
    self.main_widget.setLayout(self.main_layout)  # 设置窗口主部件布局为网格布局

    self.close_widget = QWidget()  # 创建关闭侧部件
    self.close_widget.setObjectName('close_widget')
    self.close_layout = QGridLayout()  # 创建左侧部件的网格布局层
    self.close_widget.setLayout(self.close_layout)  # 设置左侧部件布局为网格

    self.left_widget = QWidget()  # 创建左边侧部件
    self.left_widget.setObjectName('left_widget')
    self.left_layout = QGridLayout()  # 创建左侧部件的网格布局层
    self.left_widget.setLayout(self.left_layout)  # 设置左侧部件布局为网格

    self.right_widget = QWidget()  # 创建右侧部件
    self.right_widget.setObjectName('right_widget')
    self.right_layout = QGridLayout()
    self.right_widget.setLayout(self.right_layout)  # 设置右侧部件布局为网格

    self.down_widget = QWidget()  # 创建下面部件
    self.down_widget.setObjectName('down_widget')
    self.down_layout = QGridLayout()
    self.down_widget.setLayout(self.down_layout)  # 设置下侧部件布局为网格

    self.up_widget = QWidget()  # 创建下面部件
    self.up_widget.setObjectName('up_widget')
    self.up_layout = QGridLayout()
    self.up_widget.setLayout(self.up_layout)  # 设置下侧部件布局为网格

    self.label = QLabel(self)
    self.label.setText("还没有播放歌曲呢╰(*°▽°*)╯")
    self.label.setStyleSheet("color:white")
    self.label.setMaximumSize(310, 20)

    self.main_layout.addWidget(self.up_widget, 0, 0, 1, 115)

    self.main_layout.addWidget(self.left_widget, 1, 0, 90, 25)
    self.main_layout.addWidget(self.right_widget, 1, 25, 90, 90)  # 22右侧部件在第0行第3列，占8行9列
    self.main_layout.addWidget(self.down_widget, 100, 0, 10, 115)
    self.main_layout.addWidget(self.close_widget, 0, 110, 1, 5)  # 左侧部件在第0行第0列，占1行3列

    self.down_layout.addWidget(self.label, 1, 0, 1, 1)
    self.setCentralWidget(self.main_widget)  # 设置窗口主部件

    self.tabWidget = QTabWidget(self)
    self.tabWidget.setGeometry(QRect(33, 20, 716, 471))
    self.tab = QWidget()
    self.tab.setObjectName("tab")
    self.tab_layout = QGridLayout()
    self.tab.setLayout(self.tab_layout)
    self.listwidget = QListWidget(self.tab)
    self.listwidget.doubleClicked.connect(lambda: self.change_func(self.listwidget))
    self.listwidget.setContextMenuPolicy(Qt.CustomContextMenu)
    self.listwidget.customContextMenuRequested[QPoint].connect(self.myListWidgetContext)
    self.listwidget.setObjectName("listWidget")
    self.tab_layout.addWidget(self.listwidget, 0, 0, 1, 1)
    self.tabWidget.addTab(self.tab, "      搜索页      ")

    self.tab2 = QWidget()
    self.tab2.setObjectName("tab")
    self.tab2_layout = QGridLayout()
    self.tab2.setLayout(self.tab2_layout)
    self.listwidget2 = QListWidget(self.tab2)
    self.listwidget2.doubleClicked.connect(lambda: self.change_funcse(self.listwidget2))
    self.listwidget2.setContextMenuPolicy(Qt.CustomContextMenu)
    self.listwidget2.customContextMenuRequested[QPoint].connect(self.myListWidgetContext2)
    self.listwidget2.setObjectName("listWidget2")
    self.listwidget2.setContextMenuPolicy(3)
    self.tab2_layout.addWidget(self.listwidget2, 0, 0, 1, 1)
    self.tabWidget.addTab(self.tab2, "      最近播放      ")

    self.right_layout.addWidget(self.tabWidget, 3, 0, 100, 90)

    self.left_close = QPushButton("")  # 关闭按钮
    self.left_close.clicked.connect(self.close)
    self.left_visit = QPushButton("")  # 空白按钮
    self.left_visit.clicked.connect(self.big)
    self.left_mini = QPushButton("")  # 最小化按钮
    self.left_mini.clicked.connect(self.mini)
    self.close_layout.addWidget(self.left_mini, 0, 0, 1, 1)
    self.close_layout.addWidget(self.left_close, 0, 2, 1, 1)
    self.close_layout.addWidget(self.left_visit, 0, 1, 1, 1)
    self.left_close.setFixedSize(15, 15)  # 设置关闭按钮的大小
    self.left_visit.setFixedSize(15, 15)  # 设置按钮大小
    self.left_mini.setFixedSize(15, 15)  # 设置最小化按钮大小
    self.left_close.setStyleSheet(
        '''QPushButton{background:#F76677;border-radius:5px;}QPushButton:hover{background:red;}''')
    self.left_visit.setStyleSheet(
        '''QPushButton{background:#F7D674;border-radius:5px;}QPushButton:hover{background:yellow;}''')
    self.left_mini.setStyleSheet(
        '''QPushButton{background:#6DDF6D;border-radius:5px;}QPushButton:hover{background:green;}''')

    self.button_123 = QLabel("")
    self.left_layout.addWidget(self.button_123, 0, 2, 2, 2)
    self.label2 = QLabel(self)
    self.label2.setText("当前为顺序播放")
    self.label2.setStyleSheet("color:green")
    self.left_layout.addWidget(self.label2, 4, 0, 2, 1)
    self.button_1234 = QPushButton(icon('fa.download', color='#3FC89C', font=24), "")
    self.button_1234.clicked.connect(self.down)
    self.button_1234.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')
    self.left_layout.addWidget(self.button_1234, 4, 2, 2, 1)
    self.button_1234 = QPushButton(icon('fa.heart', color='#3FC89C', font=24), "")
    self.button_1234.clicked.connect(self.lovesong)
    self.button_1234.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')
    self.left_layout.addWidget(self.button_1234, 4, 3, 2, 2)
    self.label3 = QLabel(self)
    self.label3.setText("")
    self.label3.setStyleSheet("color:white")
    self.down_layout.addWidget(self.label3, 1, 3, 1, 1)

    self.label7 = QLabel(self)
    self.label7.setText("")
    self.label7.setStyleSheet("color:white")
    self.label5 = QLabel(self)
    pix_img = QPixmap(str(data + '/backdown.png'))
    pix = pix_img.scaled(300, 300, Qt.KeepAspectRatio)
    self.label5.setPixmap(pix)
    # self.label5.setMaximumSize(1,1)
    self.left_layout.addWidget(self.label5, 2, 0, 2, 8)
    self.label6 = QLabel(self)
    self.label6.setText("")
    self.label6.setStyleSheet("color:#6DDF6D")
    self.left_layout.addWidget(self.label6, 2, 0, 2, 2)

    self.label23 = QLabel(self)
    self.label23.setText("                 ")
    self.label23.setStyleSheet("color:#6DDF6D")
    self.up_layout.addWidget(self.label23, 0, 100, 1, 20)

    self.shuru = QLineEdit("")
    self.up_layout.addWidget(self.shuru, 0, 120, 1, 40)
    self.shuru.returnPressed.connect(self.correct)

    self.label23 = QLabel(self)
    self.label23.setText("     软件")
    self.label23.setStyleSheet("color:#6DDF6D")
    self.up_layout.addWidget(self.label23, 0, 160, 1, 10)

    self.label61 = QLabel(self)
    self.label61.setText("")
    self.label61.setStyleSheet("color:#6DDF6D")
    self.up_layout.addWidget(self.label61, 0, 200, 1, 50)

    self.cb = QComboBox(self)
    self.cb.addItems(['网易云', '酷狗',  'qq'])
    self.up_layout.addWidget(self.cb, 0, 180, 1, 30)
    self.cb.currentIndexChanged[int].connect(self.print)
    self.button_1 = QPushButton(icon('fa.search', color='white'), "")
    self.button_1.clicked.connect(self.correct)
    self.button_1.setStyleSheet(
        '''
        QPushButton{color:white;border-radius:5px;}QPushButton:hover{background:green;}
        ''')
    self.up_layout.addWidget(self.button_1, 0, 155, 1, 5)

    self.right_process_bar = QProgressBar()  # 播放进度部件
    self.right_process_bar.setValue(49)
    self.right_process_bar.setFixedHeight(3)  # 设置进度条高度
    self.right_process_bar.setTextVisible(False)  # 不显示进度条文字
    self.right_process_bar.setRange(0, 10000)

    self.right_playconsole_widget = QWidget()  # 播放控制部件
    self.right_playconsole_layout = QGridLayout()  # 播放控制部件网格布局层
    self.right_playconsole_widget.setLayout(self.right_playconsole_layout)

    self.console_button_1 = QPushButton(icon('fa.backward', color='#3FC89C'), "")
    self.console_button_1.clicked.connect(self.last)
    self.console_button_1.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_2 = QPushButton(icon('fa.forward', color='#3FC89C'), "")
    self.console_button_2.clicked.connect(self.nextion)
    self.console_button_2.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_3 = QPushButton(icon('fa.pause', color='#3FC89C', font=18), "")
    self.console_button_3.clicked.connect(self.pause)
    self.console_button_3.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_4 = QPushButton(icon('fa.volume-down', color='#3FC89C', font=18), "")
    self.console_button_4.clicked.connect(self.voicedown)
    self.console_button_4.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_5 = QPushButton(icon('fa.volume-up', color='#3FC89C', font=18), "")
    self.console_button_5.clicked.connect(self.voiceup)
    self.console_button_5.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_6 = QPushButton(icon('fa.align-center', color='#3FC89C', font=18), "")
    self.console_button_6.clicked.connect(self.playmode)
    self.console_button_6.setStyleSheet(
        '''QPushButton{background:#222225;border-radius:5px;}QPushButton:hover{background:#3684C8;}''')

    self.console_button_3.setIconSize(QSize(30, 30))

    self.right_playconsole_layout.addWidget(self.console_button_4, 0, 0)

    self.right_playconsole_layout.addWidget(self.console_button_1, 0, 1)
    self.right_playconsole_layout.addWidget(self.console_button_3, 0, 2)

    self.right_playconsole_layout.addWidget(self.console_button_2, 0, 3)

    self.right_playconsole_layout.addWidget(self.console_button_5, 0, 4)

    self.right_playconsole_layout.addWidget(self.console_button_6, 0, 5)
    self.right_playconsole_layout.setAlignment(Qt.AlignCenter)  # 设置布局内部件居中显示
    self.down_layout.addWidget(self.right_process_bar, 0, 0, 1, 4)  # 第0行第0列，占8行3列
    # 第0行第0列，占8行3列
    self.down_layout.addWidget(self.label7, 1, 2, 1, 1)
    self.down_layout.addWidget(self.right_playconsole_widget, 1, 0, 1, 4)
    self.setWindowOpacity(0.95)  # 设置窗口透明度
    self.setAttribute(Qt.WA_TranslucentBackground)
    self.setWindowFlag(Qt.FramelessWindowHint)  # 隐藏边框
    self.main_layout.setSpacing(0)

实现效果如下：

2. 关键字音乐列表爬虫

我们可以根据输入的关键字和音乐来源进行音乐爬取。这里我们需要通过多线程，将歌曲、歌手、歌曲url地址全都获取。核心代码如下：

def run(self):
  qmut.lock()
  try:
      global paing
      global stop
      global lrcs
      global urls
      global songs
      global name
      global songid
      global proxies
      global pic
      global tryed
      paing = True

      print('搜索软件{}'.format(type))
      print('开始搜索')
      name = name
      headers = {
          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.110.430.128 Safari/537.36',
          'X-Requested-With': 'XMLHttpRequest'

      }
      urls = []
      songs = []
      pic = []
      lrcs = []
      pages = 5
      print(pages)
      for a in range(0, pages):
          if not stop:

              urlss = ['http://music.9q4.cn/', 'https://defcon.cn/dmusic/','http://www.xmsj.org/',
                      'http://music.laomao.me/']
              print (tryed)
              if tryed >3:

                  tryed = 0
                  url = urlss[tryed]
              else:
                  url = urlss[tryed]
              print (urlss[tryed])

              params = {'input': name,
                        'filter': 'name',
                        'type': type,
                        'page': a
                        }
              if not stop:
                  try:
                      res = post(url, params, headers=headers, proxies=proxies)
                      html = res.json()

                      for i in range(0, 10):

                              try:
                                  title = jsonpath(html, '$..title')[i]
                                  author = jsonpath(html, '$..author')[i]
                                  url1 = jsonpath(html, '$..url')[i]  # 取下载网址
                                  pick = jsonpath(html, '$..pic')[i]  # 取歌词
                                  lrc = jsonpath(html, '$..lrc')[i]
                                  print(title, author)
                                  lrcs.append(lrc)
                                  urls.append(url1)
                                  pic.append(pick)
                                  songs.append(str(title) + ' - ' + str(author))
                              except:
                                  pass
                  except:
                      stop = False
                      paing = False
                  self.trigger.emit(str('finish'))
              else:
                  self.trigger.emit(str('finish'))
          else:
              self.trigger.emit(str('clear'))
              pass

      stop = False
      paing = False
  except:
      print('爬取歌曲出错')
      self.trigger.emit(str('unfinish'))
      stop = False
      paing = False
  qmut.unlock()

爬取代码写好了，我们还需要将爬取的这些音乐数据列表显示到画面中搜索页面中。代码如下：

def repite(self, name, type):
    global tryed
    global paing
    global stop
    self.listwidget.clear()
    self.listwidget.addItem('搜索中')
    self.listwidget.item(0).setForeground(Qt.white)
    try:
        if paing:
            stop = True

            self.listwidget.clear()
            self.work2 = PAThread()
            self.work2.start()
            self.work2.trigger.connect(self.seafinish)
        else:
            self.work2 = PAThread()
            self.work2.start()
            self.work2.trigger.connect(self.seafinish)
    except:
        tryed = tryed + 1
        get_info('https://www.kuaidaili.com/free/inha')
        self.listwidget.addItem('貌似没网了呀`(*>﹏<*)′,再试一遍吧~')
        self.listwidget.item(0).setForeground(Qt.white)

效果如下：

3. 音乐播放

关键字搜索音乐列表完成之后，接下来我们需要实现音乐播放功能。首先需要从爬取的url下载待播放的歌曲，这里还是通过多线程进行。核心代码如下：

class WorkThread(QThread):
    trigger = pyqtSignal(str)

    def __int__(self):
        # 初始化函数
        super(WorkThread, self).__init__()

    # 进度条
    def cbk(self, a, b, c):
        '''''回调函数
        @a:已经下载的数据块
        @b:数据块的大小
        @c:远程文件的大小
        '''
        per = 100.0 * a * b / c
        if per > 100:
            per = 100
        # print   ('%.2f%%' % per)
        self.trigger.emit(str('%.2f%%' % per))

    def run(self):
        try:
            global number
            global path
            global downloading
                        try:
                proxies = {
                    'http': 'http://124.72.109.183:8118',
                    ' Shttp': 'http://49.85.1.79:31666'

                }
                headers = {
                    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36',
                    'X-Requested-With': 'XMLHttpRequest'}
                try:
                    try:
                        try:
                            aq = pic[num]
                            aqq = aq.split('/')

                        except:
                            pass

                        if type == 'kugou' and len(aqq) - 1 == 6:
                            aqqe = str(aqq[0]) + str('//') + str(aqq[2]) + str('/') + str(aqq[3]) + str('/') + str(
                                '400') + str('/') + str(aqq[5]) + str('/') + str(aqq[6])
                            print(aqqe)
                        elif type == 'netease' and len(aqq) - 1 == 4:
                            aqn = aq.split('?')
                            b = '?param=500x500'
                            aqqe = (str(aqn[0]) + str(b))
                            print(aqqe)
                        else:
                            aqqe = pic[num]
                        req = get(aqqe)

                        checkfile = open(str(data + '/ls1.png'), 'w+b')
                        for i in req.iter_content(100000):
                            checkfile.write(i)

                        checkfile.close()
                        lsfile = str(data + '/ls1.png')
                        safile = str(data + '/back.png')
                        draw(lsfile, safile)
                    except:
                        pass
                    url1 = urls[num]
                    print(url1)
                    number = number + 1
                    path = str(data + '\{}.临时文件'.format(number))
                    headers = {
                        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.110.430.128 Safari/537.36',
                        'X-Requested-With': 'XMLHttpRequest'
                    }
                    with get(url1, stream=True, headers=headers) as r, open(path, 'wb') as file:
                        total_size = int(r.headers['content-length'])
                        content_size = 0
                        for content in r.iter_content(chunk_size=1024):
                            file.write(content)
                            content_size += len(content)
                            plan = (content_size / total_size) * 100
                            # print(int(plan))
                            develop = str(int(plan)) + str('%')
                            self.trigger.emit(str(develop))
                    to = 'downloadmusic\{}.mp3'.format(songs[num])
                    makedirs('downloadmusic', exist_ok=True)
                except:
                    pass
                try:
                    copyfile(path, to)
                except:
                    pass
                downloading = False
                self.trigger.emit(str('finish'))
            except:
                self.trigger.emit(str('nofinish'))

音乐播放模块：

    def bofang(self, num, bo):
        print('尝试进行播放')
        try:
            import urllib
            global pause
            global songs
            global music
            global downloading
            downloading = True
            self.console_button_3.setIcon(icon('fa.pause', color='#F76677', font=18))
            pause = False
            try:
                mixer.stop()
            except:
                pass
            mixer.init()
            try:
                self.Timer = QTimer()
                self.Timer.start(500)
            except:
                pass
            try:
                self.label.setText('正在寻找文件...')
                self.work = WorkThread()
                self.work.start()
                self.work.trigger.connect(self.display)
            except:
                print('无法播放，歌曲下载错误')
                downloading = False
                pass
        except:
            sleep(0.1)
            print('播放系统错误')
            # self.next()
            pass

    def display(self, sd):
        global pause
        global songed
        global urled
        global lrcd
        global timenum
        if sd == 'finish':
            try:
                if bo == 'boing':
                    self.label.setText(songs[num])
                elif bo == 'boed':
                    self.label.setText(songed[num])
                elif bo == 'love':
                    self.label.setText(loves[num])
                try:
                    pix_img = QPixmap(str(data + '/back.png'))
                    pix = pix_img.scaled(300, 300, Qt.KeepAspectRatio)
                    self.label5.setPixmap(pix)
                except:
                    pix_img = QPixmap(str(data + '/backdown.png'))
                    pix = pix_img.scaled(300, 300, Qt.KeepAspectRatio)
                    self.label5.setPixmap(pix)
                print(str(data + '\{}.临时文件'.format(number)))
                mixer.music.load(str(data + '\{}.临时文件'.format(number)))  # 载入音乐
                mixer.music.play()
                self.console_button_3.setIcon(icon('fa.pause', color='#F76677', font=18))
                pause = False
                try:
                    mp3 = str(data + '\{}.临时文件'.format(number))
                    xx = load(mp3)
                    timenum = xx.info.time_secs
                    global start
                    start = True
                except:
                    print('MP3错误，播放失败')

                if bo == 'boing':
                    songed.append(songs[num])
                    urled.append(urls[num])
                    picd.append(pic[num])
                    lrcd.append(lrcs[num])
                    r = 0
                    self.listwidget2.clear()
                    for i in songed:
                        # self.listwidget.addItem(i)#将文件名添加到listWidget

                        self.listwidget2.addItem(i)
                        self.listwidget2.item(r).setForeground(Qt.white)
                        r = r + 1
                else:
                    pass
                # 播放音乐
            except:
                pass
        elif sd == 'nofinish':
            self.label.setText('下载错误')
        elif sd == 'lrcfinish':
            r = 0
            for i in lrct:
                if not i == '\r':
                    r = r + 1
                else:
                    pass
        elif sd == 'lrcnofinish':
            pass
        else:
            self.label.setText('加速下载中,已完成{}'.format(sd))

至此，我们的音乐播放器已经可以正常播放音乐了。

4. 附加功能

主要功能已经完成了，下面我们还可以添加一些附加功能，例如播放方式列表循环、单曲循环、随机播放，当前上一首下一首播放，播放暂停开始，音量增加减少等等。

播放模式：

（1）随机播放：

def shui(self):
    global num
    global songs
    if bo == 'boing':
        q = int(len(songs) - 1)
        num = int(randint(1, q))
    elif bo == 'love':
        q = int(len(loves) - 1)
        num = int(randint(1, q))
    else:
        q = int(len(songed) - 1)
        num = int(randint(0, q))

    try:
        print('随机播放下一首')
        mixer.init()
        self.Timer = QTimer()
        self.Timer.start(500)
        # self.Timer.timeout.connect(self.timercontorl)#时间函数，与下面的进度条和时间显示有关
        if bo == 'boing':
            self.label.setText(songs[num])
        elif bo == 'love':
            self.label.setText(loves[num])
        else:
            self.label.setText(songed[num])
        self.bofang(num, bo)  # 播放音乐
    except:
        pass

（2） 上一首、下一首：

def last(self):
    global num
    global songs
    if num == 0:
        print('冇')
        num = len(songs) - 1
    else:
        num = num - 1
    try:
        self.bofang(num)
        self.label.setText(songs[num])
    except:
        pass

#下一首
def next(self):
    print ('nexting')
    global num
    global songs
    if num == len(songs) - 1:
        print('冇')
        num = 0
    else:
        num = num + 1
    try:
        self.label.setText(songs[num])
        self.bofang(num)
    except:
        print ('next error')
        pass

（3）单曲循环：

def always(self):
    try:
        if bo == 'boing':
            self.label.setText(songs[num])
        else:
            self.label.setText(songed[num])
        self.bofang(num, bo)  # 播放音乐

    except:
        pass

（4） 播放模式选择：

def playmode(self):
    global play
    try:
        if play == 'shun':
            play = 'shui'
            print('切换到随机播放')
            self.label2.setText("当前为随机播放")
            try:
                self.console_button_6.setIcon(icon('fa.random', color='#3FC89C', font=18))
                print('done')
            except:
                print('none')
                pass
            # self.left_shui.setText('切换为单曲循环')
        elif play == 'shui':
            play = 'always'
            print('切换到单曲循环')
            self.label2.setText("当前为单曲循环")
            try:
                self.console_button_6.setIcon(icon('fa.retweet', color='#3FC89C', font=18))
                print('done')
            except:
                print('none')

            # self.left_shui.setText('切换为顺序播放')
        elif play == 'always':
            play = 'shun'
            print('切换到顺序播放')
            self.label2.setText("当前为顺序播放")
            try:
                self.console_button_6.setIcon(icon('fa.align-center', color='#3FC89C', font=18))
                print('done')
            except:
                print('none')

            # self.left_shui.setText('切换为随机播放')
    except:
        print('模式选择错误')
        pass

播放暂停/开始：

def pause(self):
    global pause
    if pause:
        try:
            mixer.music.unpause()
        except:
            pass
        self.console_button_3.setIcon(icon('fa.pause', color='#3FC89C', font=18))
        pause = False
    else:
        try:
            mixer.music.pause()
        except:
            pass
        self.console_button_3.setIcon(icon('fa.play', color='#F76677', font=18))
        pause = True

音量提高/降低：

def voiceup(self):
    try:
        print('音量加大')
        global voice
        voice += 0.1
        if voice > 1:
            voice = 1
        mixer.music.set_volume(voice)
        k = Decimal(voice).quantize(Decimal('0.00'))
        self.label3.setText('音量：{}'.format(str(k * 100) + '%'))
    except:
        pass

def voicedown(self):
    try:
        print('音量减少')
        global voice
        voice -= 0.1
        if voice < 0:
            voice = 0
        mixer.music.set_volume(voice)
        k = Decimal(voice).quantize(Decimal('0.00'))
        self.label3.setText('音量：{}'.format(str(k * 100) + '%'))
    except:
        pass

至此，这款音乐播放器就基本完成啦~ 一起来看看效果吧！

三、结束语

当然这款音乐播放器还有待完善的功能尚未完成：

• 音乐本地下载保存
• 播放本地音乐
• 添加我喜爱的音乐功能
• 歌词播放
• 音乐进度跳播

后面有时间这些功能也会继续完善下！今天我们就到这里，明天继续努力！

如果本篇博客有任何错误，请批评指教，不胜感激 ！

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