726 lines
28 KiB
Python
726 lines
28 KiB
Python
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import sys
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import requests
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import pygame
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import time
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import os
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from PyQt5.QtWidgets import (
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QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
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QTreeWidget, QTreeWidgetItem, QLineEdit, QLabel, QComboBox,
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QPushButton, QSplitter, QTabWidget, QTextEdit, QMessageBox,
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QFrame, QAction, QMenu, QSlider
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)
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from PyQt5.QtCore import Qt, pyqtSignal, QThread, QTimer, QObject
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from PyQt5.QtGui import QColor, QBrush
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# --- 初始化 pygame 音频模块 ---
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pygame.mixer.init()
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# --- 配置区 ---
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BASE_URL = "https://shanwogou.cn/audio/"
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API_URL = BASE_URL + "api.php"
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# --- API 交互模块 ---
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def fetch_api_data(url, params=None):
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"""通用 GET 请求函数，解析 JSON 响应"""
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try:
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response = requests.get(url, params=params, timeout=15)
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response.raise_for_status() # 触发 HTTP 错误（如 404/500）
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return response.json()
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except requests.exceptions.RequestException as e:
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print(f"API 请求失败: {str(e)}")
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return None
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def get_all_music():
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"""获取所有音乐"""
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return fetch_api_data(API_URL, params={"action": "getAllMusic"})
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def get_music_tags():
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"""获取所有音乐标签"""
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return fetch_api_data(API_URL, params={"action": "getMusicTags"})
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def get_announcements():
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"""获取公告列表"""
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return fetch_api_data(API_URL, params={"action": "getAnnouncements"})
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def get_music_url(music_id):
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"""获取音乐的直接播放地址（mp3 链接）"""
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return fetch_api_data(API_URL, params={"action": "getMusicUrl", "id": music_id})
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# --- 后台音频下载线程 ---
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class AudioDownloadThread(QThread):
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"""后台下载音频文件，下载完成后发送信号"""
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download_finished = pyqtSignal(str, str) # 信号：音乐标题、本地临时文件路径
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download_failed = pyqtSignal(str) # 信号：失败原因
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download_progress = pyqtSignal(int) # 信号：下载进度（0-100）
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def __init__(self, music_id, music_title):
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super().__init__()
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self.music_id = music_id
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self.music_title = music_title
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self.is_canceled = False # 取消下载标记
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def run(self):
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try:
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# 1. 获取音乐的直接播放链接
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music_url_data = get_music_url(self.music_id)
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if not music_url_data or not music_url_data.get("success", False):
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self.download_failed.emit("未获取到有效的播放链接")
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return
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play_url = music_url_data["data"].get("play_url")
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if not play_url:
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self.download_failed.emit("API 未返回直接播放地址（play_url）")
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return
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# 2. 下载音频文件到临时目录
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temp_file = f"temp_{self.music_id}_{int(time.time())}.mp3"
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response = requests.get(play_url, stream=True, timeout=20)
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response.raise_for_status()
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# 获取文件总大小（用于计算进度）
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total_size = int(response.headers.get("content-length", 0))
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downloaded_size = 0
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with open(temp_file, "wb") as f:
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for chunk in response.iter_content(chunk_size=8192):
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if self.is_canceled: # 检查是否取消下载
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if os.path.exists(temp_file):
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os.remove(temp_file)
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self.download_failed.emit("下载已取消")
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return
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if chunk:
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f.write(chunk)
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downloaded_size += len(chunk)
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# 计算并发送进度（避免除零错误）
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if total_size > 0:
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progress = int((downloaded_size / total_size) * 100)
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self.download_progress.emit(progress)
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# 3. 下载完成，发送信号
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self.download_finished.emit(self.music_title, temp_file)
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except Exception as e:
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self.download_failed.emit(f"下载失败：{str(e)}")
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def cancel_download(self):
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"""取消当前下载任务"""
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self.is_canceled = True
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# --- 数据加载工作类（继承自QObject，支持moveToThread）---
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class DataLoadWorker(QObject):
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"""数据加载工作类（与主线程分离，避免UI卡顿）"""
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music_loaded = pyqtSignal(dict)
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tags_loaded = pyqtSignal(dict)
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announcements_loaded = pyqtSignal(dict)
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finished = pyqtSignal()
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def run(self):
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"""加载音乐、标签、公告数据"""
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# 1. 加载音乐
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music_data = get_all_music()
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self.music_loaded.emit(music_data)
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# 2. 加载标签
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tags_data = get_music_tags()
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self.tags_loaded.emit(tags_data)
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# 3. 加载公告
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announcements_data = get_announcements()
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self.announcements_loaded.emit(announcements_data)
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# 4. 发送完成信号
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self.finished.emit()
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# --- 主窗口类 ---
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class SunsetMusicApp(QMainWindow):
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def __init__(self):
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super().__init__()
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self.setWindowTitle("Sunset Music for PC")
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self.setGeometry(100, 100, 1200, 700)
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self.setMinimumSize(1000, 600) # 最小窗口尺寸
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# 数据存储
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self.all_music = [] # 所有音乐列表
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self.filtered_music = [] # 筛选后音乐列表
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self.current_playing_file = ""# 当前播放的本地音频文件路径
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self.current_playing_music = None # 当前播放的音乐信息（字典）
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self.download_thread = None # 音频下载线程实例
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self.is_playing = False # 播放状态标记
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# 过滤条件初始化
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self.current_keyword = ""
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self.current_tag = "所有标签"
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# 初始化 UI
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self.init_ui()
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# 加载音乐、标签、公告数据
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self.load_data_in_background()
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# 初始化播放进度定时器
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self.init_playback_timer()
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def init_ui(self):
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"""构建完整 UI 界面"""
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central_widget = QWidget()
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self.setCentralWidget(central_widget)
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main_layout = QVBoxLayout(central_widget)
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# 1. 菜单栏
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self.create_menu_bar()
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# 2. 顶部控制区（搜索+筛选+刷新）
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top_control_layout = QHBoxLayout()
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top_control_layout.setContentsMargins(10, 10, 10, 5)
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# 搜索框
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self.search_input = QLineEdit()
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self.search_input.setPlaceholderText("搜索：标题/艺术家/标签...")
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self.search_input.setFixedHeight(30)
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self.search_input.textChanged.connect(self.filter_music_by_search)
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top_control_layout.addWidget(self.search_input, stretch=3)
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# 标签筛选下拉框
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self.tag_combo = QComboBox()
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self.tag_combo.addItem("所有标签")
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self.tag_combo.setFixedHeight(30)
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self.tag_combo.setFixedWidth(150)
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self.tag_combo.currentIndexChanged.connect(self.filter_music_by_tag)
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top_control_layout.addWidget(self.tag_combo, stretch=1)
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# 刷新按钮
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self.refresh_btn = QPushButton("刷新列表")
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self.refresh_btn.setFixedHeight(30)
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self.refresh_btn.setFixedWidth(100)
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self.refresh_btn.clicked.connect(self.load_data_in_background)
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top_control_layout.addWidget(self.refresh_btn, stretch=0)
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main_layout.addLayout(top_control_layout)
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# 3. 中部主内容区（分割窗口：音乐列表 + 右侧内容）
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splitter = QSplitter(Qt.Horizontal)
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splitter.setContentsMargins(10, 5, 10, 10)
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# 3.1 左侧：音乐列表
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self.music_tree = QTreeWidget()
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self.music_tree.setColumnCount(5)
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self.music_tree.setHeaderLabels(["ID", "标题", "艺术家", "标签", "时长"])
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# 设置列宽
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self.music_tree.setColumnWidth(0, 60) # ID 列
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self.music_tree.setColumnWidth(1, 350) # 标题列
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self.music_tree.setColumnWidth(2, 200) # 艺术家列
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self.music_tree.setColumnWidth(3, 120) # 标签列
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self.music_tree.setColumnWidth(4, 80) # 时长列
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# 单选模式 + 双击播放
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self.music_tree.setSelectionMode(QTreeWidget.SingleSelection)
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self.music_tree.itemDoubleClicked.connect(self.on_music_double_click)
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splitter.addWidget(self.music_tree)
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# 3.2 右侧：标签页（播放器 + 公告）
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self.right_tab = QTabWidget()
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self.right_tab.setMinimumWidth(500)
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# 右侧1：播放器面板
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self.player_panel = QWidget()
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self.init_player_panel() # 初始化播放控制UI
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self.right_tab.addTab(self.player_panel, "音乐播放器")
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# 右侧2：公告面板
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self.announcement_panel = QTextEdit()
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self.announcement_panel.setReadOnly(True)
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self.announcement_panel.setStyleSheet("font-size: 14px; padding: 10px;")
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self.right_tab.addTab(self.announcement_panel, "最新公告")
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splitter.addWidget(self.right_tab)
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splitter.setSizes([600, 600]) # 左右窗口比例
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main_layout.addWidget(splitter, stretch=1)
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# 4. 底部状态栏
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self.status_bar = self.statusBar()
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self.status_bar.showMessage("就绪：未播放音乐")
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def create_menu_bar(self):
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"""创建菜单栏（文件+帮助）"""
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menubar = self.menuBar()
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# 文件菜单
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file_menu = menubar.addMenu("文件")
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exit_action = QAction("退出", self)
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exit_action.setShortcut("Ctrl+Q")
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exit_action.triggered.connect(self.close)
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file_menu.addAction(exit_action)
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# 帮助菜单
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help_menu = menubar.addMenu("帮助")
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about_action = QAction("关于", self)
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about_action.triggered.connect(self.show_about_dialog)
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help_menu.addAction(about_action)
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def init_player_panel(self):
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"""初始化播放器面板"""
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panel_layout = QVBoxLayout(self.player_panel)
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panel_layout.setContentsMargins(20, 20, 20, 20)
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# 1. 当前播放音乐信息
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self.music_info_label = QLabel("当前未播放音乐")
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self.music_info_label.setAlignment(Qt.AlignCenter)
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self.music_info_label.setStyleSheet("""
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font-size: 16px;
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font-weight: bold;
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color: #2c3e50;
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margin-bottom: 20px;
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""")
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panel_layout.addWidget(self.music_info_label)
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# 2. 下载进度条（默认隐藏）
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self.download_progress = QSlider(Qt.Horizontal)
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self.download_progress.setRange(0, 100)
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self.download_progress.setValue(0)
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self.download_progress.setDisabled(True)
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self.download_progress.setHidden(True)
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panel_layout.addWidget(self.download_progress)
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# 3. 播放进度条
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self.play_progress = QSlider(Qt.Horizontal)
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self.play_progress.setRange(0, 100)
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self.play_progress.setValue(0)
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self.play_progress.setDisabled(True)
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self.play_progress.sliderReleased.connect(self.seek_playback)
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panel_layout.addWidget(self.play_progress)
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# 4. 时间显示（已播放/总时长）
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time_layout = QHBoxLayout()
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self.current_time_label = QLabel("00:00")
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self.total_time_label = QLabel("00:00")
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time_layout.addWidget(self.current_time_label)
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time_layout.addStretch(1)
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time_layout.addWidget(self.total_time_label)
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panel_layout.addLayout(time_layout)
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# 5. 播放控制按钮
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control_layout = QHBoxLayout()
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control_layout.setAlignment(Qt.AlignCenter)
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self.prev_btn = QPushButton("上一曲")
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self.prev_btn.setFixedSize(80, 40)
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self.prev_btn.setDisabled(True)
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self.prev_btn.clicked.connect(self.play_previous)
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control_layout.addWidget(self.prev_btn)
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self.play_pause_btn = QPushButton("播放")
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self.play_pause_btn.setFixedSize(100, 40)
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self.play_pause_btn.setDisabled(True)
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self.play_pause_btn.clicked.connect(self.toggle_play_pause)
|
|||
|
|
control_layout.addWidget(self.play_pause_btn)
|
|||
|
|
|
|||
|
|
self.next_btn = QPushButton("下一曲")
|
|||
|
|
self.next_btn.setFixedSize(80, 40)
|
|||
|
|
self.next_btn.setDisabled(True)
|
|||
|
|
self.next_btn.clicked.connect(self.play_next)
|
|||
|
|
control_layout.addWidget(self.next_btn)
|
|||
|
|
|
|||
|
|
panel_layout.addLayout(control_layout)
|
|||
|
|
|
|||
|
|
def init_playback_timer(self):
|
|||
|
|
"""初始化播放进度定时器"""
|
|||
|
|
self.playback_timer = QTimer(self)
|
|||
|
|
self.playback_timer.setInterval(1000) # 1秒=1000毫秒
|
|||
|
|
self.playback_timer.timeout.connect(self.update_playback_progress)
|
|||
|
|
|
|||
|
|
def show_about_dialog(self):
|
|||
|
|
"""显示关于对话框"""
|
|||
|
|
QMessageBox.about(
|
|||
|
|
self, "关于落日音乐",
|
|||
|
|
"落日音乐 for PC（应用内播放版）\n\n"
|
|||
|
|
"版本：1.0.0\n"
|
|||
|
|
"核心功能：应用内直接播放、音乐筛选、公告查看"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
# --- 数据加载相关函数 ---
|
|||
|
|
def load_data_in_background(self):
|
|||
|
|
"""后台加载音乐、标签、公告数据"""
|
|||
|
|
self.status_bar.showMessage("正在加载数据...")
|
|||
|
|
self.set_widgets_enabled(False) # 禁用UI控件
|
|||
|
|
|
|||
|
|
# 启动数据加载线程
|
|||
|
|
self.data_thread = QThread()
|
|||
|
|
self.data_worker = DataLoadWorker()
|
|||
|
|
self.data_worker.moveToThread(self.data_thread)
|
|||
|
|
|
|||
|
|
# 连接线程信号
|
|||
|
|
self.data_thread.started.connect(self.data_worker.run)
|
|||
|
|
self.data_worker.music_loaded.connect(self.on_music_data_loaded)
|
|||
|
|
self.data_worker.tags_loaded.connect(self.on_tags_data_loaded)
|
|||
|
|
self.data_worker.announcements_loaded.connect(self.on_announcements_loaded)
|
|||
|
|
self.data_worker.finished.connect(self.data_thread.quit)
|
|||
|
|
self.data_worker.finished.connect(lambda: self.set_widgets_enabled(True))
|
|||
|
|
self.data_worker.finished.connect(lambda: self.status_bar.showMessage("数据加载完成"))
|
|||
|
|
|
|||
|
|
self.data_thread.start()
|
|||
|
|
|
|||
|
|
def set_widgets_enabled(self, enabled):
|
|||
|
|
"""设置核心UI控件是否可用"""
|
|||
|
|
self.search_input.setEnabled(enabled)
|
|||
|
|
self.tag_combo.setEnabled(enabled)
|
|||
|
|
self.refresh_btn.setEnabled(enabled)
|
|||
|
|
self.music_tree.setEnabled(enabled)
|
|||
|
|
|
|||
|
|
def on_music_data_loaded(self, music_data):
|
|||
|
|
"""音乐数据加载完成后的处理"""
|
|||
|
|
if not music_data or not music_data.get("success", False):
|
|||
|
|
QMessageBox.warning(self, "警告", "音乐数据加载失败！")
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
self.all_music = music_data["data"]
|
|||
|
|
self.filtered_music = self.all_music.copy()
|
|||
|
|
self.populate_music_tree() # 填充音乐列表
|
|||
|
|
self.status_bar.showMessage(f"加载完成：共 {len(self.all_music)} 首音乐")
|
|||
|
|
|
|||
|
|
def on_tags_data_loaded(self, tags_data):
|
|||
|
|
"""标签数据加载完成后的处理"""
|
|||
|
|
if not tags_data or not tags_data.get("success", False):
|
|||
|
|
QMessageBox.warning(self, "警告", "标签数据加载失败！")
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
tags = tags_data["data"]
|
|||
|
|
current_tag = self.tag_combo.currentText()
|
|||
|
|
self.tag_combo.clear()
|
|||
|
|
self.tag_combo.addItem("所有标签")
|
|||
|
|
self.tag_combo.addItems(tags)
|
|||
|
|
|
|||
|
|
# 恢复之前选择的标签
|
|||
|
|
if current_tag in tags:
|
|||
|
|
self.tag_combo.setCurrentText(current_tag)
|
|||
|
|
|
|||
|
|
def on_announcements_loaded(self, announcements_data):
|
|||
|
|
"""公告数据加载完成后的处理"""
|
|||
|
|
self.announcement_panel.clear()
|
|||
|
|
if not announcements_data or not announcements_data.get("success", False):
|
|||
|
|
self.announcement_panel.setText("公告加载失败或暂无公告")
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
announcements = announcements_data["data"]
|
|||
|
|
for ann in announcements:
|
|||
|
|
time_str = ann.get("time", "未知时间")
|
|||
|
|
content = ann.get("nr", "无公告内容")
|
|||
|
|
self.announcement_panel.append(f"【{time_str}】\n{content}\n" + "-"*50 + "\n")
|
|||
|
|
|
|||
|
|
def populate_music_tree(self):
|
|||
|
|
"""将音乐数据填充到 TreeWidget 列表中"""
|
|||
|
|
self.music_tree.clear()
|
|||
|
|
for idx, music in enumerate(self.filtered_music):
|
|||
|
|
# 格式化时长
|
|||
|
|
duration = music.get("duration", "")
|
|||
|
|
try:
|
|||
|
|
duration_sec = int(duration)
|
|||
|
|
duration_str = f"{duration_sec//60:02d}:{duration_sec%60:02d}"
|
|||
|
|
except:
|
|||
|
|
duration_str = "未知"
|
|||
|
|
|
|||
|
|
# 创建列表项
|
|||
|
|
item = QTreeWidgetItem([
|
|||
|
|
str(music.get("id", "未知")),
|
|||
|
|
music.get("title", "未知标题"),
|
|||
|
|
music.get("artist", "未知艺术家"),
|
|||
|
|
music.get("category", "未知标签"),
|
|||
|
|
duration_str
|
|||
|
|
])
|
|||
|
|
# 存储完整音乐信息
|
|||
|
|
item.setData(0, Qt.UserRole, music)
|
|||
|
|
# 交替行颜色
|
|||
|
|
if idx % 2 == 0:
|
|||
|
|
item.setBackground(0, QBrush(QColor(245, 245, 245)))
|
|||
|
|
item.setBackground(1, QBrush(QColor(245, 245, 245)))
|
|||
|
|
item.setBackground(2, QBrush(QColor(245, 245, 245)))
|
|||
|
|
item.setBackground(3, QBrush(QColor(245, 245, 245)))
|
|||
|
|
item.setBackground(4, QBrush(QColor(245, 245, 245)))
|
|||
|
|
|
|||
|
|
self.music_tree.addTopLevelItem(item)
|
|||
|
|
|
|||
|
|
# --- 音乐筛选相关函数 ---
|
|||
|
|
def filter_music_by_search(self):
|
|||
|
|
"""根据搜索关键词筛选音乐"""
|
|||
|
|
self.current_keyword = self.search_input.text().lower()
|
|||
|
|
self.apply_music_filters()
|
|||
|
|
|
|||
|
|
def filter_music_by_tag(self):
|
|||
|
|
"""根据标签筛选音乐"""
|
|||
|
|
self.current_tag = self.tag_combo.currentText()
|
|||
|
|
self.apply_music_filters()
|
|||
|
|
|
|||
|
|
def apply_music_filters(self):
|
|||
|
|
"""应用筛选条件（关键词+标签）"""
|
|||
|
|
self.filtered_music = [
|
|||
|
|
music for music in self.all_music
|
|||
|
|
if (self.current_tag == "所有标签" or music.get("category", "") == self.current_tag)
|
|||
|
|
and (
|
|||
|
|
self.current_keyword in music.get("title", "").lower()
|
|||
|
|
or self.current_keyword in music.get("artist", "").lower()
|
|||
|
|
or self.current_keyword in music.get("category", "").lower()
|
|||
|
|
)
|
|||
|
|
]
|
|||
|
|
self.populate_music_tree()
|
|||
|
|
self.highlight_search_keyword()
|
|||
|
|
|
|||
|
|
def highlight_search_keyword(self):
|
|||
|
|
"""高亮音乐列表中的搜索关键词"""
|
|||
|
|
if not self.current_keyword:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 遍历所有列表项，匹配关键词并高亮
|
|||
|
|
for idx in range(self.music_tree.topLevelItemCount()):
|
|||
|
|
item = self.music_tree.topLevelItem(idx)
|
|||
|
|
for col in range(1, 4): # 只高亮 标题、艺术家、标签 列
|
|||
|
|
text = item.text(col).lower()
|
|||
|
|
if self.current_keyword in text:
|
|||
|
|
item.setBackground(col, QBrush(QColor(255, 255, 153))) # 浅黄色高亮
|
|||
|
|
else:
|
|||
|
|
# 恢复交替行颜色
|
|||
|
|
if idx % 2 == 0:
|
|||
|
|
item.setBackground(col, QBrush(QColor(245, 245, 245)))
|
|||
|
|
else:
|
|||
|
|
item.setBackground(col, QBrush(QColor(255, 255, 255)))
|
|||
|
|
|
|||
|
|
# --- 音乐播放相关函数 ---
|
|||
|
|
def on_music_double_click(self, item, column):
|
|||
|
|
"""双击音乐列表项：停止当前播放→下载新音乐→播放"""
|
|||
|
|
# 获取当前选中的音乐信息
|
|||
|
|
music = item.data(0, Qt.UserRole)
|
|||
|
|
if not music:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 1. 停止当前播放（如果有）
|
|||
|
|
self.stop_playback()
|
|||
|
|
|
|||
|
|
# 2. 取消正在进行的下载（如果有）
|
|||
|
|
if self.download_thread and self.download_thread.isRunning():
|
|||
|
|
self.download_thread.cancel_download()
|
|||
|
|
self.download_thread.wait()
|
|||
|
|
|
|||
|
|
# 3. 记录当前播放的音乐信息
|
|||
|
|
self.current_playing_music = music
|
|||
|
|
music_id = music.get("id")
|
|||
|
|
music_title = music.get("title", "未知音乐")
|
|||
|
|
music_artist = music.get("artist", "未知艺术家")
|
|||
|
|
|
|||
|
|
# 4. 更新UI显示
|
|||
|
|
self.music_info_label.setText(f"{music_title} - {music_artist}")
|
|||
|
|
self.status_bar.showMessage(f"准备播放：{music_title}")
|
|||
|
|
|
|||
|
|
# 5. 启动后台下载线程
|
|||
|
|
self.download_thread = AudioDownloadThread(music_id, music_title)
|
|||
|
|
# 连接下载信号
|
|||
|
|
self.download_thread.download_progress.connect(self.update_download_progress)
|
|||
|
|
self.download_thread.download_finished.connect(self.on_audio_downloaded)
|
|||
|
|
self.download_thread.download_failed.connect(self.on_download_failed)
|
|||
|
|
# 显示下载进度条
|
|||
|
|
self.download_progress.setHidden(False)
|
|||
|
|
self.download_progress.setDisabled(False)
|
|||
|
|
# 启动下载
|
|||
|
|
self.download_thread.start()
|
|||
|
|
|
|||
|
|
def update_download_progress(self, progress):
|
|||
|
|
"""更新下载进度条"""
|
|||
|
|
self.download_progress.setValue(progress)
|
|||
|
|
self.status_bar.showMessage(f"正在下载：{self.current_playing_music['title']}（{progress}%）")
|
|||
|
|
|
|||
|
|
def on_audio_downloaded(self, music_title, local_file):
|
|||
|
|
"""音频下载完成，开始播放"""
|
|||
|
|
# 隐藏下载进度条
|
|||
|
|
self.download_progress.setHidden(True)
|
|||
|
|
self.download_progress.setDisabled(True)
|
|||
|
|
self.download_progress.setValue(0)
|
|||
|
|
|
|||
|
|
# 记录当前播放的本地文件路径
|
|||
|
|
self.current_playing_file = local_file
|
|||
|
|
|
|||
|
|
# 尝试播放音频
|
|||
|
|
try:
|
|||
|
|
pygame.mixer.music.load(local_file)
|
|||
|
|
pygame.mixer.music.play()
|
|||
|
|
self.is_playing = True
|
|||
|
|
|
|||
|
|
# 更新UI状态
|
|||
|
|
self.play_pause_btn.setText("暂停")
|
|||
|
|
self.play_pause_btn.setEnabled(True)
|
|||
|
|
self.prev_btn.setEnabled(True)
|
|||
|
|
self.next_btn.setEnabled(True)
|
|||
|
|
self.play_progress.setDisabled(False)
|
|||
|
|
|
|||
|
|
# 记录总时长并更新时间显示
|
|||
|
|
total_duration = pygame.mixer.Sound(local_file).get_length() # 秒
|
|||
|
|
self.total_duration = total_duration
|
|||
|
|
self.total_time_label.setText(self.format_time(total_duration))
|
|||
|
|
|
|||
|
|
# 启动播放进度定时器
|
|||
|
|
self.playback_timer.start()
|
|||
|
|
self.status_bar.showMessage(f"正在播放：{music_title}")
|
|||
|
|
|
|||
|
|
except Exception as e:
|
|||
|
|
self.on_download_failed(f"播放失败：{str(e)}")
|
|||
|
|
|
|||
|
|
def on_download_failed(self, error_msg):
|
|||
|
|
"""下载或播放失败的处理"""
|
|||
|
|
# 重置UI
|
|||
|
|
self.download_progress.setHidden(True)
|
|||
|
|
self.download_progress.setDisabled(True)
|
|||
|
|
self.download_progress.setValue(0)
|
|||
|
|
self.music_info_label.setText("播放失败")
|
|||
|
|
self.status_bar.showMessage(f"错误：{error_msg}")
|
|||
|
|
|
|||
|
|
# 弹出错误提示
|
|||
|
|
QMessageBox.warning(self, "播放错误", error_msg)
|
|||
|
|
|
|||
|
|
def toggle_play_pause(self):
|
|||
|
|
"""切换播放/暂停状态"""
|
|||
|
|
if not self.current_playing_file:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
if self.is_playing:
|
|||
|
|
pygame.mixer.music.pause()
|
|||
|
|
self.is_playing = False
|
|||
|
|
self.play_pause_btn.setText("播放")
|
|||
|
|
self.playback_timer.stop()
|
|||
|
|
self.status_bar.showMessage(f"已暂停：{self.current_playing_music['title']}")
|
|||
|
|
else:
|
|||
|
|
pygame.mixer.music.unpause()
|
|||
|
|
self.is_playing = True
|
|||
|
|
self.play_pause_btn.setText("暂停")
|
|||
|
|
self.playback_timer.start()
|
|||
|
|
self.status_bar.showMessage(f"继续播放：{self.current_playing_music['title']}")
|
|||
|
|
|
|||
|
|
def stop_playback(self):
|
|||
|
|
"""停止当前播放"""
|
|||
|
|
if pygame.mixer.music.get_busy() or self.is_playing:
|
|||
|
|
pygame.mixer.music.stop()
|
|||
|
|
self.is_playing = False
|
|||
|
|
|
|||
|
|
# 重置UI
|
|||
|
|
self.playback_timer.stop()
|
|||
|
|
self.play_progress.setValue(0)
|
|||
|
|
self.current_time_label.setText("00:00")
|
|||
|
|
self.total_time_label.setText("00:00")
|
|||
|
|
self.play_pause_btn.setText("播放")
|
|||
|
|
self.play_pause_btn.setEnabled(False)
|
|||
|
|
self.prev_btn.setEnabled(False)
|
|||
|
|
self.next_btn.setEnabled(False)
|
|||
|
|
|
|||
|
|
# 删除临时音频文件
|
|||
|
|
if self.current_playing_file and os.path.exists(self.current_playing_file):
|
|||
|
|
try:
|
|||
|
|
os.remove(self.current_playing_file)
|
|||
|
|
except:
|
|||
|
|
pass # 若文件被占用，忽略删除
|
|||
|
|
self.current_playing_file = ""
|
|||
|
|
self.current_playing_music = None
|
|||
|
|
|
|||
|
|
def update_playback_progress(self):
|
|||
|
|
"""更新播放进度条和时间显示"""
|
|||
|
|
if not self.current_playing_file or not self.is_playing:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 获取当前播放位置（秒）
|
|||
|
|
current_pos = pygame.mixer.music.get_pos() / 1000 # 毫秒转秒
|
|||
|
|
# 计算进度百分比
|
|||
|
|
progress = int((current_pos / self.total_duration) * 100)
|
|||
|
|
progress = min(progress, 100) # 避免超过100%
|
|||
|
|
|
|||
|
|
# 更新UI
|
|||
|
|
self.play_progress.setValue(progress)
|
|||
|
|
self.current_time_label.setText(self.format_time(current_pos))
|
|||
|
|
|
|||
|
|
# 检查是否播放完成
|
|||
|
|
if current_pos >= self.total_duration:
|
|||
|
|
self.stop_playback()
|
|||
|
|
self.status_bar.showMessage("播放完成：已停止")
|
|||
|
|
|
|||
|
|
def seek_playback(self):
|
|||
|
|
"""拖动进度条跳转播放位置"""
|
|||
|
|
if not self.current_playing_file or not self.is_playing:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 获取进度条百分比对应的播放位置（秒）
|
|||
|
|
progress = self.play_progress.value()
|
|||
|
|
target_pos = (progress / 100) * self.total_duration
|
|||
|
|
# 跳转播放位置
|
|||
|
|
pygame.mixer.music.set_pos(target_pos)
|
|||
|
|
# 更新时间显示
|
|||
|
|
self.current_time_label.setText(self.format_time(target_pos))
|
|||
|
|
|
|||
|
|
def play_previous(self):
|
|||
|
|
"""播放上一曲"""
|
|||
|
|
if not self.current_playing_music or len(self.filtered_music) <= 1:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 找到当前播放音乐在筛选列表中的索引
|
|||
|
|
current_idx = -1
|
|||
|
|
current_id = self.current_playing_music.get("id")
|
|||
|
|
for idx, music in enumerate(self.filtered_music):
|
|||
|
|
if str(music.get("id")) == str(current_id):
|
|||
|
|
current_idx = idx
|
|||
|
|
break
|
|||
|
|
|
|||
|
|
# 播放前一项（循环到最后一项如果当前是第一项）
|
|||
|
|
if current_idx == 0:
|
|||
|
|
target_idx = len(self.filtered_music) - 1
|
|||
|
|
else:
|
|||
|
|
target_idx = current_idx - 1
|
|||
|
|
|
|||
|
|
# 触发双击播放
|
|||
|
|
target_item = self.music_tree.topLevelItem(target_idx)
|
|||
|
|
self.on_music_double_click(target_item, 0)
|
|||
|
|
|
|||
|
|
def play_next(self):
|
|||
|
|
"""播放下一曲"""
|
|||
|
|
if not self.current_playing_music or len(self.filtered_music) <= 1:
|
|||
|
|
return
|
|||
|
|
|
|||
|
|
# 找到当前播放音乐在筛选列表中的索引
|
|||
|
|
current_idx = -1
|
|||
|
|
current_id = self.current_playing_music.get("id")
|
|||
|
|
for idx, music in enumerate(self.filtered_music):
|
|||
|
|
if str(music.get("id")) == str(current_id):
|
|||
|
|
current_idx = idx
|
|||
|
|
break
|
|||
|
|
|
|||
|
|
# 播放后一项（循环到第一项如果当前是最后一项）
|
|||
|
|
if current_idx == len(self.filtered_music) - 1:
|
|||
|
|
target_idx = 0
|
|||
|
|
else:
|
|||
|
|
target_idx = current_idx + 1
|
|||
|
|
|
|||
|
|
# 触发双击播放
|
|||
|
|
target_item = self.music_tree.topLevelItem(target_idx)
|
|||
|
|
self.on_music_double_click(target_item, 0)
|
|||
|
|
|
|||
|
|
@staticmethod
|
|||
|
|
def format_time(seconds):
|
|||
|
|
"""将秒数格式化为 分:秒"""
|
|||
|
|
minutes = int(seconds // 60)
|
|||
|
|
secs = int(seconds % 60)
|
|||
|
|
return f"{minutes:02d}:{secs:02d}"
|
|||
|
|
|
|||
|
|
def closeEvent(self, event):
|
|||
|
|
"""窗口关闭时的清理操作"""
|
|||
|
|
# 停止播放
|
|||
|
|
self.stop_playback()
|
|||
|
|
# 退出 pygame
|
|||
|
|
pygame.mixer.quit()
|
|||
|
|
# 关闭线程
|
|||
|
|
if hasattr(self, "download_thread") and self.download_thread.isRunning():
|
|||
|
|
self.download_thread.cancel_download()
|
|||
|
|
self.download_thread.wait()
|
|||
|
|
event.accept()
|
|||
|
|
|
|||
|
|
# --- 程序入口 ---
|
|||
|
|
if __name__ == "__main__":
|
|||
|
|
# 解决 PyQt5 中文显示问题
|
|||
|
|
QApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
|
|||
|
|
app = QApplication(sys.argv)
|
|||
|
|
|
|||
|
|
# 设置全局样式
|
|||
|
|
app.setStyle("Fusion")
|
|||
|
|
|
|||
|
|
# 启动应用
|
|||
|
|
window = SunsetMusicApp()
|
|||
|
|
window.show()
|
|||
|
|
sys.exit(app.exec_())
|