import sys import os import pygame import time import re from PyQt6.QtWidgets import ( QApplication, QMainWindow, QWidget, QVBoxLayout, QLabel, QPushButton, QSlider, QHBoxLayout ) from PyQt6.QtCore import QTimer, Qt, QSize, QPropertyAnimation, QPoint from PyQt6.QtGui import QPixmap, QIcon, QPalette, QColor class MusicPlayer(QMainWindow): def __init__(self): super().__init__() self.setWindowTitle("DreamLife|MusicPlayer") self.setGeometry(300, 200, 400, 500) self.initUI() pygame.mixer.init() self.lyrics = [] # 解析后的歌词列表 [(时间戳, 歌词)] self.current_lyric_index = 0 # 当前歌词索引 self.is_playing = False # 播放状态 self.music_length = 0 # 音乐总时长（秒） self.start_time = 0 # 播放开始时间（用于计算已播放时间） self.pause_time = 0 # 暂停时记录的播放进度（秒） self.animation = None # 存储滚动动画对象 self.last_lyric = None # 上一次显示的歌词，用于避免重复启动动画 self.load_lyrics() def initUI(self): self.central_widget = QWidget() self.setCentralWidget(self.central_widget) self.layout = QVBoxLayout() self.layout.setAlignment(Qt.AlignmentFlag.AlignCenter) self.central_widget.setLayout(self.layout) # 设置背景颜色 self.set_background_color("#2E2E2E") # 封面 self.cover_label = QLabel() self.layout.addWidget(self.cover_label, alignment=Qt.AlignmentFlag.AlignCenter) self.load_cover() # 歌词显示区域（固定大小容器，便于动画处理，不随内容改变大小） self.lyrics_container = QWidget() self.lyrics_container.setFixedSize(300, 50) self.lyrics_container.setStyleSheet("background-color: transparent;") # 歌词标签放置在容器中 self.lyrics_browser = QLabel("", self.lyrics_container) self.lyrics_browser.setAlignment(Qt.AlignmentFlag.AlignCenter) self.lyrics_browser.setStyleSheet("font-size: 24px; color: white; font-weight: bold;") self.lyrics_browser.setFixedHeight(50) self.lyrics_browser.move(0, 0) self.layout.addWidget(self.lyrics_container, alignment=Qt.AlignmentFlag.AlignCenter) # 进度条 self.slider = QSlider(Qt.Orientation.Horizontal) self.slider.setRange(0, 100) self.slider.sliderPressed.connect(self.pause_music) self.slider.sliderReleased.connect(self.seek_music) self.layout.addWidget(self.slider) # 播放控制区域 self.control_layout = QHBoxLayout() self.control_layout.setAlignment(Qt.AlignmentFlag.AlignCenter) self.play_button = QPushButton() self.play_button.setIcon(QIcon("file/play.png")) self.play_button.setIconSize(QSize(52, 52)) # 明确设置图标尺寸 self.play_button.setStyleSheet("border: none;") self.play_button.clicked.connect(self.toggle_play_pause) self.control_layout.addWidget(self.play_button) self.layout.addLayout(self.control_layout) # 定时器，每500毫秒更新一次进度和歌词 self.timer = QTimer(self) self.timer.timeout.connect(self.update_lyrics_and_progress) def set_background_color(self, color): palette = self.palette() palette.setColor(QPalette.ColorRole.Window, QColor(color)) self.setPalette(palette) self.central_widget.setStyleSheet(f"background-color: {color};") def load_cover(self): cover_path = "file/cover.jpg" if os.path.exists(cover_path): pixmap = QPixmap(cover_path) self.cover_label.setPixmap(pixmap.scaled(256, 256, Qt.AspectRatioMode.KeepAspectRatio)) else: self.cover_label.setText("封面未找到") def load_lyrics(self): lyrics_path = "file/林俊杰-光阴副本.lrc" if os.path.exists(lyrics_path): try: with open(lyrics_path, 'r', encoding='utf-8') as file: lines = file.readlines() self.lyrics = [] for line in lines: match = re.match(r"\[(\d+):(\d+\.\d+)](.*)", line) if match: minutes = int(match.group(1)) seconds = float(match.group(2)) timestamp = minutes * 60 + seconds lyrics_text = match.group(3).strip() self.lyrics.append((timestamp, lyrics_text)) self.lyrics.sort() except Exception as e: self.lyrics_browser.setText("加载歌词出错: " + str(e)) else: self.lyrics_browser.setText("歌词文件未找到") def toggle_play_pause(self): if not self.is_playing: if self.pause_time > 0: self.resume_music() else: self.play_music() else: self.pause_music() def play_music(self): music_path = "file/林俊杰-光阴副本.wav" if os.path.exists(music_path): try: pygame.mixer.music.load(music_path) pygame.mixer.music.play(start=0) self.music_length = pygame.mixer.Sound(music_path).get_length() self.start_time = time.time() self.pause_time = 0 self.timer.start(500) self.play_button.setIcon(QIcon("file/pause.png")) self.is_playing = True except Exception as e: print("播放音乐时出错:", e) else: print("音乐文件未找到:", music_path) def resume_music(self): try: pygame.mixer.music.unpause() # 直接恢复播放 self.start_time = time.time() - self.pause_time self.timer.start(500) self.play_button.setIcon(QIcon("file/pause.png")) self.is_playing = True except Exception as e: print("继续播放时出错:", e) def pause_music(self): if self.is_playing: self.pause_time = time.time() - self.start_time pygame.mixer.music.pause() self.timer.stop() self.play_button.setIcon(QIcon("file/play.png")) self.is_playing = False def seek_music(self): if self.music_length > 0: new_time = self.slider.value() / 100 * self.music_length pygame.mixer.music.play(start=new_time) self.start_time = time.time() - new_time self.pause_time = new_time self.current_lyric_index = self.find_lyric_index(new_time) self.update_lyrics_display() self.timer.start(500) self.play_button.setIcon(QIcon("file/pause.png")) self.is_playing = True def find_lyric_index(self, current_time): for i, (timestamp, _) in enumerate(self.lyrics): if current_time < timestamp: return max(i - 1, 0) return len(self.lyrics) - 1 def update_lyrics_display(self): if self.current_lyric_index < len(self.lyrics): _, lyric = self.lyrics[self.current_lyric_index] # 仅当歌词发生变化时再更新（避免重复重启动画） if self.last_lyric != lyric: self.last_lyric = lyric # 如果歌词宽度超过容器，则滚动显示 if self.lyrics_browser.fontMetrics().horizontalAdvance(lyric) > self.lyrics_container.width(): self.scroll_lyrics(lyric) else: if self.animation is not None: self.animation.stop() self.animation = None self.lyrics_browser.setText(lyric) self.lyrics_browser.adjustSize() self.lyrics_browser.move((self.lyrics_container.width() - self.lyrics_browser.width()) // 2, 0) def scroll_lyrics(self, lyric): self.lyrics_browser.setText(lyric) self.lyrics_browser.adjustSize() label_width = self.lyrics_browser.width() container_width = self.lyrics_container.width() start_pos = QPoint(50, 0) end_pos = QPoint(-label_width, 0) if self.animation is not None: self.animation.stop() self.animation = QPropertyAnimation(self.lyrics_browser, b"pos") # 根据歌词长度调整滚动时间 duration = 8000 + (label_width - container_width) * 20 self.animation.setDuration(duration) self.animation.setStartValue(start_pos) self.animation.setEndValue(end_pos) self.animation.start() def update_lyrics_and_progress(self): elapsed_time = time.time() - self.start_time self.current_lyric_index = self.find_lyric_index(elapsed_time) self.update_lyrics_display() if self.music_length > 0: progress = int((elapsed_time / self.music_length) * 100) self.slider.setValue(progress) if __name__ == '__main__': app = QApplication(sys.argv) player = MusicPlayer() player.show() sys.exit(app.exec())