import wx import urllib.request import pygame import os import re import time from threading import Thread import math import datetime APP_TITLE = u'音乐播放器' MAX_LYRIC_ROW = 15 LYRIC_ROW_REG = '\[[0-9]{2}:[0-9]{2}.[0-9]{2,}\]' MAX_MUSIC_NAME_LEN = 18 class mainFrame(wx.Frame): '''程序主窗口类，继承自wx.Frame''' def __init__(self): '''构造函数''' # 播放器的整体属性 self.width = 1280 self.height = 720 self.volume = 0 self.local_music_folder = "music_folder" wx.Frame.__init__(self, None, -1, APP_TITLE) self.SetSize(self.width, self.height) self.SetBackgroundColour((200,200,200)) # 设置界面的背景颜色 # 音乐列表有关 self.local_music_name_list = [] # 当前音乐名字列表 self.lyrcis_static_text = [] # 当前播放的音乐的歌词列表 self.play_stop_button = None # 播放、暂停按钮 self.current_music_state = 0 # 是否有音乐在播放，0表示否 self.current_music_index = 0 # 当前音乐的索引 # 初始化本地歌曲列表 self.get_local_music_list() self.current_music_static_text = None # 当前播放的音乐的名字 # 按钮使用的图片 self.play_bmp = wx.Image("resource/播放.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() self.stop_bmp = wx.Image("resource/暂停.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() # 导航栏所在的panel self.navi_panel = None self.draw_navi_panel() # 歌曲列表所在的panel self.music_list_panel = None self.draw_music_list_panel() # 播放部分所在的panel self.play_music_panel = None self.draw_play_music_panel() # 歌词部分所在的panel self.music_lyric_panel = None self.draw_music_lyric_panel() # 下载音乐面板 self.down_music_panel = None self.input_url_text_ctrl = None # 输入的下载路径 self.down_button = None # 下载按钮 self.draw_down_music_panel() pygame.mixer.init() self.music = pygame.mixer.music self.SONG_FINISHED = pygame.USEREVENT + 1 def get_path_by_name(self, file_name): return os.path.join(self.local_music_folder, file_name) def get_local_music_list(self): self.local_music_name_list.clear() # 这一步必须有 for local_music_file_name in os.listdir(self.local_music_folder): if local_music_file_name.endswith(".mp3"): self.local_music_name_list.append(local_music_file_name) def draw_navi_panel(self): # 导航栏所在的panel self.navi_panel = wx.Panel(self, id=-1, pos=(0, 0), size=(100, self.height - 100)) # 本地音乐 local_music_text = wx.StaticText(self.navi_panel, -1, "本地音乐", pos=(20, 20), style=wx.ALIGN_LEFT) local_music_text.SetOwnForegroundColour((0, 0, 0)) def draw_music_list_panel(self): # 重新计算本地音乐列表 self.get_local_music_list() # 绘制面板整体 if self.music_list_panel is not None: self.music_list_panel.Destroy() self.music_list_panel = wx.Panel(self, id=-1, pos=(100, 0), size=(300, self.height - 100)) # 音乐列表 local_music_num = len(self.local_music_name_list) for music_index in range(local_music_num): music_full_name = self.local_music_name_list[music_index].replace(".mp3", "") if len(music_full_name) > MAX_MUSIC_NAME_LEN: music_full_name = music_full_name[0:MAX_MUSIC_NAME_LEN] + "..." music_text = wx.StaticText(self.music_list_panel, -1, music_full_name, pos=(0, music_index * 40 + 20), size=(270, 30), style=wx.ALIGN_RIGHT) music_text.SetOwnForegroundColour((0,0,0)) music_text.Refresh() # 这句话不能少 play_button = wx.BitmapButton(self.music_list_panel, -1, self.play_bmp, pos=(280, music_index * 40 + 20), size=(20, 20)) play_button.Bind(wx.EVT_LEFT_DOWN, lambda e, index=music_index: self.play_index_music(index)) def draw_play_music_panel(self): # 播放音乐所在的panel self.play_music_panel = wx.Panel(self, id=-1, pos=(0, self.height - 100), size=(self.width, 100)) # 歌的名字 self.current_music_static_text = wx.StaticText(self.play_music_panel, -1, "请选择歌曲", pos=(100, 15), size=(200, 30), style=wx.ALIGN_RIGHT) self.current_music_static_text.SetOwnForegroundColour((0,0,0)) last_music_bpm = wx.Image("resource/上一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() next_music_bpm = wx.Image("resource/下一首.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() last_music_button = wx.BitmapButton(self.play_music_panel, -1, last_music_bpm, pos=(340, 15), size=(30, 30)) self.play_stop_button = wx.BitmapButton(self.play_music_panel, -1, self.play_bmp, pos=(380, 15), size=(30, 30)) next_music_button = wx.BitmapButton(self.play_music_panel, -1, next_music_bpm, pos=(420, 15), size=(30, 30)) # 调节音量的按钮 volume_slider = wx.Slider(self.play_music_panel, -1, 50, 0, 100, pos=(500, 15), size=(570, -1), style=wx.SL_HORIZONTAL) # 上述按钮的监听器 last_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_last_music) self.play_stop_button.Bind(wx.EVT_LEFT_DOWN, self.play_stop_music) next_music_button.Bind(wx.EVT_LEFT_DOWN, self.play_next_music) volume_slider.Bind(wx.EVT_SLIDER, self.change_volume) def draw_down_music_panel(self): ''' 下载音乐所在的面板 :return: ''' self.down_music_panel = wx.Panel(self, id=-1, pos=(400, 0), size=(self.width - 400, 60)) # 下载地址输入框 self.input_url_text_ctrl = wx.TextCtrl(self.down_music_panel, -1, "请输入下载链接", pos=(100, 20), size=(600, 30)) #self.input_url_text_ctrl.SetOwnBackgroundColour((63, 63, 63)) # 绘制下载图标 down_bmp = wx.Image("resource/下载.png", wx.BITMAP_TYPE_PNG).Rescale(30, 30).ConvertToBitmap() self.down_button = wx.BitmapButton(self.down_music_panel, -1, down_bmp, pos=(700, 20), size=(30, 30)) # 监听下载图标按钮的鼠标点击事件 self.down_button.Bind(wx.EVT_LEFT_DOWN, self.download_music) def play_music(self): ''' 重新载入，播放音乐 :return: ''' current_music_path = self.get_path_by_name(self.local_music_name_list[self.current_music_index]) self.music.load(current_music_path) pygame.mixer.init()#pygame模块初始化 my_music = pygame.mixer.music playing_time =my_music.get_pos() print(playing_time) # step1：播放音乐 self.music.play(loops=1, start=0.0) # 更改当前播放的音乐的名字 current_music_name = self.local_music_name_list[self.current_music_index].replace(".mp3", "") if len(current_music_name) > MAX_MUSIC_NAME_LEN: current_music_name = current_music_name[0:MAX_MUSIC_NAME_LEN] + "..." self.current_music_static_text.SetLabelText(current_music_name) # step6：开启新线程，追踪歌词 self.display_lyric() def play_index_music(self, music_index): ''' 播放指定索引的音乐 :return: ''' self.current_music_index = music_index # 载入音乐 self.play_music() def play_stop_music(self, evt): if self.music.get_busy() or self.IsPaused: # 有音乐在播放，需要暂停，或者音乐暂停中 if 1 == self.current_music_state: print("有音乐在播放，需要暂停") self.music.pause() self.current_music_state = 0 self.IsPaused = True self.play_stop_button.SetBitmap(self.play_bmp) else: # 恢复暂停的音乐 self.music.unpause() self.current_music_state = 1 self.IsPaused = False self.play_stop_button.SetBitmap(self.stop_bmp) else: # 重新载入音乐 self.play_music() def play_last_music(self, evt): # 计算上一首音乐的名字和路径 if self.current_music_index > 0: self.play_index_music(self.current_music_index - 1) else: self.play_index_music(0) def play_next_music(self, evt): # 计算下一首音乐的名字和路径 if self.current_music_index < len(self.local_music_name_list) - 1: self.play_index_music(self.current_music_index + 1) else: self.play_index_music(len(self.local_music_name_list) - 1) def change_volume(self, evt): ''' 修改音量 :param evt: :return: ''' obj = evt.GetEventObject() val = obj.GetValue() self.volume = float(val / 100) self.music.set_volume(self.volume) def download_music(self, evt): ''' 下载音乐 :param evt: :return: ''' # 获取文本框中输入的下载地址 music_down_url = self.input_url_text_ctrl.GetValue() # 给下载的音乐在本地确定一个存储地址 down_music_path = os.path.join(self.local_music_folder, datetime.datetime.now().strftime('%Y-%m-%d-%H-%M-%S') + ".mp3") before_music_name = self.local_music_name_list[self.current_music_index] # 开始下载 urllib.request.urlretrieve(music_down_url, down_music_path) # 下载完成后，重新绘制音乐列表面板 self.draw_music_list_panel() # 调整当前音乐的索引 for index in range(len(self.local_music_name_list)): if before_music_name == self.local_music_name_list[index]: self.current_music_index = index def get_lyrics(self): ''' 读取歌词，不带时间标记 :param lyrics_file_path: :return: ''' # 获取当前播放的音乐的歌词的完整路径 current_lyric_path = self.get_lyric_path() if current_lyric_path is None or not os.path.exists(current_lyric_path): return ["纯音乐或暂无歌词"] # 打开歌词文件，读取其中的内容 with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer: content_list = file_pointer.readlines() # 用一个list记录歌词 lyrics_list = [] # 我们只要歌词部分，不要开头的歌名和作者介绍，因为歌名和作者介绍不带时间 # 不方便我们进行歌词的追踪 for content in content_list: # 用一个正则表达式过滤出歌词部分 if re.match(LYRIC_ROW_REG, content): lyric_clause = content.replace('\n', '')[10:] lyrics_list.append(lyric_clause) return lyrics_list def display_lyric(self): lyric_refersh_thread = Thread(target=self.refersh_lyrics) lyric_refersh_thread.start() def parse_lyrics(self): current_lyric_path = self.get_lyric_path() if current_lyric_path is None: content_list = ["[00:00.00]暂无歌词"] else: # 读文件内容 with open(current_lyric_path, 'r', encoding="utf-8") as file_pointer: content_list = file_pointer.readlines() lyrics_list = [] for content in content_list: if re.match(LYRIC_ROW_REG, content): time_lyric = dict() start_time = float(content[1:3]) * 60 + float(content[4:6]) + float(content[7:9]) / 100 index_of_right_blank = content.index(']') time_lyric[start_time] = content.replace('\n', '')[index_of_right_blank + 1:] lyrics_list.append(time_lyric) return lyrics_list def refersh_lyrics(self): ''' 刷新歌词子线程 :return: ''' lyrics_time_dict_list = self.parse_lyrics() relative_start_index = 0 # 相对起始歌词索引 while self.music.get_busy(): # 播放中 current_time = float(self.music.get_pos() / 1000) for lyric_index, lyrics_time_dict in enumerate(lyrics_time_dict_list): lyric_time = list(lyrics_time_dict.keys())[0] if math.fabs(lyric_time - current_time) < 0.7: # 当歌词已经超过底部了，则刷新歌词面板，展示第二页的歌词 if lyric_index > 0 and lyric_index % MAX_LYRIC_ROW == 0: relative_start_index = lyric_index self.redraw_music_lyric_panel(start_index=relative_start_index) self.lyrcis_static_text[lyric_index - relative_start_index].SetOwnForegroundColour((227, 62, 51)) # 这句话千万不能少，少了颜色不会刷新（来自调试了4个小时的忠告） self.lyrcis_static_text[lyric_index - relative_start_index].Refresh() break time.sleep(1) def draw_music_lyric_panel(self): ''' 歌词所在的面板的控制 :return: ''' self.music_lyric_panel = wx.Panel(self, id=-1, pos=(400, 60), size=(self.width - 400, self.height - 160)) # 获取歌词 lyric_list = self.get_lyrics() # 展示歌词 for lyric_index in range(MAX_LYRIC_ROW): if lyric_index < len(lyric_list): lyric = lyric_list[lyric_index] else: lyric = "" lyric_row = wx.StaticText(self.music_lyric_panel, -1, lyric, pos=(300, 30 * lyric_index + 10), size=(200, -1), style=wx.ALIGN_CENTER_HORIZONTAL) lyric_row.SetOwnForegroundColour((255, 255, 255)) self.lyrcis_static_text.append(lyric_row) def get_lyric_path(self): current_music_path = self.get_path_by_name(self.local_music_name_list[self.current_music_index]) current_lyric_path = current_music_path.replace(".mp3", ".lrc") if os.path.exists(current_lyric_path): return current_lyric_path else: return None if __name__ == "__main__": app = wx.App() frame = mainFrame() frame.Show() app.MainLoop() wx.Exit()