448 lines
17 KiB
Python
448 lines
17 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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JPG转PNG转换器 - GUI版本
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使用tkinter创建图形界面，支持文件和文件夹选择
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"""
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import os
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import sys
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import threading
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from pathlib import Path
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from tkinter import *
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from tkinter import ttk, filedialog, messagebox
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from tkinter.scrolledtext import ScrolledText
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from PIL import Image
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import datetime
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class JPGtoPNGConverterGUI:
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def __init__(self, root):
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self.root = root
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self.root.title("JPG转PNG转换器 v1.0")
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self.root.geometry("800x600")
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self.root.resizable(True, True)
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# 设置窗口图标（如果需要）
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try:
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# 可以设置窗口图标
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pass
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except:
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pass
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# 变量
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self.input_path = StringVar()
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self.output_path = StringVar()
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self.conversion_mode = StringVar(value="folder") # "file" 或 "folder"
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self.delete_original = BooleanVar(value=False)
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self.recursive = BooleanVar(value=True)
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self.is_converting = False
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# 统计变量
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self.total_files = 0
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self.converted_files = 0
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self.failed_files = 0
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self.create_widgets()
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def create_widgets(self):
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"""创建界面组件"""
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# 主框架
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main_frame = ttk.Frame(self.root, padding="10")
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main_frame.grid(row=0, column=0, sticky=(W, E, N, S))
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# 配置网格权重
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self.root.columnconfigure(0, weight=1)
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self.root.rowconfigure(0, weight=1)
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main_frame.columnconfigure(1, weight=1)
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# 标题
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title_label = ttk.Label(main_frame, text="🎨 JPG转PNG转换器", font=("Arial", 16, "bold"))
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title_label.grid(row=0, column=0, columnspan=3, pady=(0, 20))
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# 转换模式选择
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mode_frame = ttk.LabelFrame(main_frame, text="转换模式", padding="10")
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mode_frame.grid(row=1, column=0, columnspan=3, sticky=(W, E), pady=(0, 10))
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mode_frame.columnconfigure(0, weight=1)
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ttk.Radiobutton(mode_frame, text="📁 转换文件夹（批量）",
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variable=self.conversion_mode, value="folder",
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command=self.on_mode_change).grid(row=0, column=0, sticky=W)
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ttk.Radiobutton(mode_frame, text="📄 转换单个文件",
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variable=self.conversion_mode, value="file",
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command=self.on_mode_change).grid(row=0, column=1, sticky=W)
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# 输入路径选择
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input_frame = ttk.LabelFrame(main_frame, text="输入路径", padding="10")
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input_frame.grid(row=2, column=0, columnspan=3, sticky=(W, E), pady=(0, 10))
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input_frame.columnconfigure(1, weight=1)
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ttk.Label(input_frame, text="输入:").grid(row=0, column=0, sticky=W, padx=(0, 5))
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self.input_entry = ttk.Entry(input_frame, textvariable=self.input_path, width=50)
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self.input_entry.grid(row=0, column=1, sticky=(W, E), padx=(0, 5))
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self.input_browse_btn = ttk.Button(input_frame, text="浏览...", command=self.browse_input)
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self.input_browse_btn.grid(row=0, column=2)
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# 输出路径选择
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output_frame = ttk.LabelFrame(main_frame, text="输出路径（可选）", padding="10")
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output_frame.grid(row=3, column=0, columnspan=3, sticky=(W, E), pady=(0, 10))
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output_frame.columnconfigure(1, weight=1)
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ttk.Label(output_frame, text="输出:").grid(row=0, column=0, sticky=W, padx=(0, 5))
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ttk.Entry(output_frame, textvariable=self.output_path, width=50).grid(row=0, column=1, sticky=(W, E), padx=(0, 5))
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self.output_browse_btn = ttk.Button(output_frame, text="浏览...", command=self.browse_output)
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self.output_browse_btn.grid(row=0, column=2)
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ttk.Label(output_frame, text="💡 留空将在原位置生成PNG文件",
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foreground="gray").grid(row=1, column=0, columnspan=3, sticky=W, pady=(5, 0))
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# 选项设置
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options_frame = ttk.LabelFrame(main_frame, text="转换选项", padding="10")
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options_frame.grid(row=4, column=0, columnspan=3, sticky=(W, E), pady=(0, 10))
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ttk.Checkbutton(options_frame, text="🗑️ 转换后删除原JPG文件",
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variable=self.delete_original).grid(row=0, column=0, sticky=W)
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self.recursive_check = ttk.Checkbutton(options_frame, text="📁 递归处理子文件夹",
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variable=self.recursive)
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self.recursive_check.grid(row=1, column=0, sticky=W)
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# 控制按钮
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button_frame = ttk.Frame(main_frame)
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button_frame.grid(row=5, column=0, columnspan=3, pady=20)
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self.start_btn = ttk.Button(button_frame, text="🚀 开始转换",
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command=self.start_conversion, style="Accent.TButton")
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self.start_btn.pack(side=LEFT, padx=(0, 10))
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self.stop_btn = ttk.Button(button_frame, text="⏹️ 停止",
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command=self.stop_conversion, state=DISABLED)
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self.stop_btn.pack(side=LEFT, padx=(0, 10))
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ttk.Button(button_frame, text="🗂️ 打开输出文件夹",
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command=self.open_output_folder).pack(side=LEFT)
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# 进度条
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progress_frame = ttk.Frame(main_frame)
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progress_frame.grid(row=6, column=0, columnspan=3, sticky=(W, E), pady=(0, 10))
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progress_frame.columnconfigure(0, weight=1)
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self.progress_var = DoubleVar()
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self.progress_bar = ttk.Progressbar(progress_frame, variable=self.progress_var,
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maximum=100, mode='determinate')
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self.progress_bar.grid(row=0, column=0, sticky=(W, E), padx=(0, 5))
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self.progress_label = ttk.Label(progress_frame, text="准备就绪")
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self.progress_label.grid(row=0, column=1)
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# 状态信息显示
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status_frame = ttk.LabelFrame(main_frame, text="转换日志", padding="5")
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status_frame.grid(row=7, column=0, columnspan=3, sticky=(W, E, N, S), pady=(0, 10))
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status_frame.columnconfigure(0, weight=1)
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status_frame.rowconfigure(0, weight=1)
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self.log_text = ScrolledText(status_frame, height=12, wrap=WORD)
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self.log_text.grid(row=0, column=0, sticky=(W, E, N, S))
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# 配置主框架的行权重
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main_frame.rowconfigure(7, weight=1)
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# 初始化界面状态
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self.on_mode_change()
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def on_mode_change(self):
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"""转换模式改变时的处理"""
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if self.conversion_mode.get() == "file":
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self.recursive_check.configure(state=DISABLED)
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self.input_browse_btn.configure(text="选择文件...")
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self.output_browse_btn.configure(text="保存为...")
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else:
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self.recursive_check.configure(state=NORMAL)
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self.input_browse_btn.configure(text="选择文件夹...")
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self.output_browse_btn.configure(text="选择文件夹...")
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def browse_input(self):
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"""浏览输入路径"""
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if self.conversion_mode.get() == "file":
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# 选择文件
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file_path = filedialog.askopenfilename(
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title="选择JPG文件",
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filetypes=[
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("JPG文件", "*.jpg *.jpeg *.JPG *.JPEG"),
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("所有文件", "*.*")
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]
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)
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if file_path:
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self.input_path.set(file_path)
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else:
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# 选择文件夹
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folder_path = filedialog.askdirectory(title="选择包含JPG文件的文件夹")
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if folder_path:
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self.input_path.set(folder_path)
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def browse_output(self):
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"""浏览输出路径"""
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if self.conversion_mode.get() == "file":
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# 保存文件
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file_path = filedialog.asksaveasfilename(
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title="保存PNG文件为",
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defaultextension=".png",
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filetypes=[
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("PNG文件", "*.png"),
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("所有文件", "*.*")
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]
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)
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if file_path:
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self.output_path.set(file_path)
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else:
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# 选择输出文件夹
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folder_path = filedialog.askdirectory(title="选择输出文件夹")
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if folder_path:
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self.output_path.set(folder_path)
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def log_message(self, message):
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"""添加日志信息"""
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timestamp = datetime.datetime.now().strftime("%H:%M:%S")
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self.log_text.insert(END, f"[{timestamp}] {message}\n")
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self.log_text.see(END)
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self.root.update_idletasks()
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def update_progress(self, current, total, status=""):
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"""更新进度条"""
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if total > 0:
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progress = (current / total) * 100
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self.progress_var.set(progress)
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if status:
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self.progress_label.configure(text=status)
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else:
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self.progress_label.configure(text=f"{current}/{total}")
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self.root.update_idletasks()
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def convert_single_file(self, input_file, output_file=None):
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"""转换单个文件"""
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try:
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input_path = Path(input_file)
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if not input_path.exists():
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self.log_message(f"❌ 文件不存在: {input_file}")
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return False
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# 设置输出路径
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if output_file:
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output_path = Path(output_file)
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else:
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output_path = input_path.with_suffix('.png')
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# 确保输出目录存在
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output_path.parent.mkdir(parents=True, exist_ok=True)
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self.log_message(f"🔄 转换: {input_path.name} -> {output_path.name}")
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# 转换图片
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with Image.open(input_path) as img:
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if img.mode in ('RGBA', 'LA'):
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img.save(output_path, 'PNG', optimize=True)
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else:
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if img.mode == 'P':
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img = img.convert('RGBA')
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elif img.mode in ('RGB', 'L'):
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img = img.convert('RGBA')
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img.save(output_path, 'PNG', optimize=True)
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self.log_message(f"✅ 转换成功: {output_path}")
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self.converted_files += 1
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# 删除原文件（如果选择）
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if self.delete_original.get():
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try:
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input_path.unlink()
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self.log_message(f"🗑️ 已删除原文件: {input_path}")
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except Exception as e:
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self.log_message(f"⚠️ 删除原文件失败: {e}")
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return True
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except Exception as e:
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self.log_message(f"❌ 转换失败 {input_file}: {e}")
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self.failed_files += 1
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return False
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def find_jpg_files(self, folder_path, recursive=True):
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"""查找JPG文件"""
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folder = Path(folder_path)
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jpg_files = []
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patterns = ['*.jpg', '*.jpeg', '*.JPG', '*.JPEG']
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if recursive:
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for pattern in patterns:
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jpg_files.extend(folder.rglob(pattern))
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else:
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for pattern in patterns:
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jpg_files.extend(folder.glob(pattern))
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return jpg_files
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def conversion_worker(self):
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"""转换工作线程"""
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try:
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self.total_files = 0
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self.converted_files = 0
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self.failed_files = 0
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input_path = self.input_path.get().strip()
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output_path = self.output_path.get().strip()
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if not input_path:
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self.log_message("❌ 请选择输入路径")
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return
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if self.conversion_mode.get() == "file":
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# 单文件转换
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self.total_files = 1
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self.update_progress(0, 1, "转换中...")
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output_file = output_path if output_path else None
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self.convert_single_file(input_path, output_file)
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self.update_progress(1, 1, "完成")
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else:
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# 批量转换文件夹
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self.log_message(f"📁 扫描文件夹: {input_path}")
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jpg_files = self.find_jpg_files(input_path, self.recursive.get())
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if not jpg_files:
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self.log_message("📷 未找到JPG文件")
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return
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self.total_files = len(jpg_files)
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self.log_message(f"📷 找到 {self.total_files} 个JPG文件")
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# 转换每个文件
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for i, jpg_file in enumerate(jpg_files):
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if not self.is_converting: # 检查是否被停止
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break
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# 计算输出路径
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if output_path:
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relative_path = jpg_file.relative_to(Path(input_path))
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output_file = Path(output_path) / relative_path.with_suffix('.png')
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else:
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output_file = None
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self.update_progress(i, self.total_files, f"转换中 {i+1}/{self.total_files}")
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self.convert_single_file(jpg_file, output_file)
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self.update_progress(self.total_files, self.total_files, "完成")
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# 显示转换摘要
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self.log_message("=" * 50)
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self.log_message(f"🎯 转换摘要")
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self.log_message(f"📊 总文件数: {self.total_files}")
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self.log_message(f"✅ 成功转换: {self.converted_files}")
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self.log_message(f"❌ 转换失败: {self.failed_files}")
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self.log_message("=" * 50)
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if self.converted_files > 0:
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messagebox.showinfo("转换完成",
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f"转换完成！\n"
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f"成功: {self.converted_files} 个文件\n"
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f"失败: {self.failed_files} 个文件")
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except Exception as e:
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self.log_message(f"❌ 转换过程出错: {e}")
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messagebox.showerror("错误", f"转换过程出错: {e}")
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finally:
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self.is_converting = False
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self.start_btn.configure(state=NORMAL)
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self.stop_btn.configure(state=DISABLED)
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def start_conversion(self):
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"""开始转换"""
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if self.is_converting:
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return
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# 验证输入
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if not self.input_path.get().strip():
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messagebox.showerror("错误", "请选择输入路径")
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return
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if not Path(self.input_path.get()).exists():
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messagebox.showerror("错误", "输入路径不存在")
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return
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# 清空日志
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self.log_text.delete(1.0, END)
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# 开始转换
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self.is_converting = True
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self.start_btn.configure(state=DISABLED)
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self.stop_btn.configure(state=NORMAL)
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# 在新线程中执行转换
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threading.Thread(target=self.conversion_worker, daemon=True).start()
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def stop_conversion(self):
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"""停止转换"""
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self.is_converting = False
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self.log_message("⏹️ 用户停止转换")
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self.start_btn.configure(state=NORMAL)
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self.stop_btn.configure(state=DISABLED)
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def open_output_folder(self):
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"""打开输出文件夹"""
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output_path = self.output_path.get().strip()
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if output_path and Path(output_path).exists():
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os.startfile(output_path)
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elif self.input_path.get().strip():
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input_path = self.input_path.get().strip()
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if Path(input_path).exists():
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if Path(input_path).is_file():
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os.startfile(Path(input_path).parent)
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else:
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os.startfile(input_path)
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else:
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messagebox.showwarning("警告", "没有有效的输出路径")
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def main():
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"""主函数"""
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root = Tk()
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# 设置样式
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style = ttk.Style()
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# 尝试使用现代主题
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try:
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style.theme_use('winnative') # Windows原生样式
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except:
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pass
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# 创建应用
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app = JPGtoPNGConverterGUI(root)
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# 设置窗口关闭事件
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def on_closing():
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if app.is_converting:
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if messagebox.askokcancel("退出", "正在转换中，确定要退出吗？"):
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app.is_converting = False
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root.destroy()
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else:
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root.destroy()
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root.protocol("WM_DELETE_WINDOW", on_closing)
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# 运行主循环
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root.mainloop()
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if __name__ == "__main__":
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try:
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main()
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except Exception as e:
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print(f"程序启动失败: {e}")
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import traceback
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traceback.print_exc()
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