【Python】图片转换器_支持jfif,webp,avif,png批量转换JPG

Willian

[Python] 纯文本查看 复制代码

import os
import tkinter as tk
from tkinter import ttk, filedialog
from tkinterdnd2 import TkinterDnD, DND_FILES
from PIL import Image
import pillow_avif  # 处理avif文件

class ImageConverterApp:
    def __init__(self, root):
        self.root = root
        self.root.title("图片批量转换工具 (AVIF/WEBP/PNG/JFIF → JPG)")
        self.root.geometry("600x300")
        
        # 创建UI元素
        self.create_widgets()
        
    def create_widgets(self):
        # 拖拽区域
        self.drop_frame = ttk.LabelFrame(self.root, text="拖拽文件到这里", width=550, height=150)
        self.drop_frame.pack(pady=20, padx=20, fill=tk.BOTH)
        self.drop_frame.pack_propagate(False)
        
        self.drop_label = ttk.Label(self.drop_frame, text="拖拽图片文件或文件夹到这里", font=('Arial', 12))
        self.drop_label.pack(expand=True)
        
        # 注册拖拽功能
        self.drop_frame.drop_target_register(DND_FILES)
        self.drop_frame.dnd_bind('<<Drop>>', self.on_drop)
        
        # 按钮区域
        self.button_frame = ttk.Frame(self.root)
        self.button_frame.pack(pady=10)
        
        self.select_files_btn = ttk.Button(self.button_frame, text="选择文件", command=self.select_files)
        self.select_files_btn.pack(side=tk.LEFT, padx=5)
        
        self.select_folder_btn = ttk.Button(self.button_frame, text="选择文件夹", command=self.select_folder)
        self.select_folder_btn.pack(side=tk.LEFT, padx=5)
        
        self.convert_btn = ttk.Button(self.button_frame, text="开始转换", command=self.start_conversion)
        self.convert_btn.pack(side=tk.LEFT, padx=5)
        
        # 进度条
        self.progress = ttk.Progressbar(self.root, orient=tk.HORIZONTAL, length=500, mode='determinate')
        self.progress.pack(pady=10)
        
        # 存储文件路径
        self.file_paths = []
        
    def on_drop(self, event):
        # 处理拖拽事件
        self.file_paths = []
        paths = event.data.split() if isinstance(event.data, str) else event.data
        
        for path in paths:
            path = path.strip('{}')  # 处理Windows路径中的花括号
            if os.path.isdir(path):
                self.collect_images_from_folder(path)
            elif self.is_supported_image(path):
                self.file_paths.append(path)
        
        self.update_file_count()
    
    def select_files(self):
        # 选择文件对话框
        filetypes = (
            ("图片文件", "*.avif;*.webp;*.png;*.jfif"),
            ("所有文件", "*.*")
        )
        
        files = filedialog.askopenfilenames(title="选择要转换的图片", filetypes=filetypes)
        if files:
            self.file_paths = [f for f in files if self.is_supported_image(f)]
            self.update_file_count()
    
    def select_folder(self):
        # 选择文件夹对话框
        folder = filedialog.askdirectory(title="选择包含图片的文件夹")
        if folder:
            self.file_paths = []
            self.collect_images_from_folder(folder)
            self.update_file_count()
    
    def collect_images_from_folder(self, folder):
        # 从文件夹收集支持的图片文件
        supported_extensions = ('.avif', '.webp', '.png', '.jfif')
        
        for root, _, files in os.walk(folder):
            for file in files:
                if file.lower().endswith(supported_extensions):
                    self.file_paths.append(os.path.join(root, file))
    
    def is_supported_image(self, file_path):
        # 检查文件是否是支持的图片格式
        ext = os.path.splitext(file_path)[1].lower()
        return ext in ('.avif', '.webp', '.png', '.jfif')
    
    def update_file_count(self):
        # 更新UI显示文件数量
        count = len(self.file_paths)
        self.drop_label.config(text=f"已选择 {count} 个文件")
    
    def start_conversion(self):
        # 开始转换过程
        if not self.file_paths:
            return
        
        total_files = len(self.file_paths)
        self.progress['maximum'] = total_files
        self.progress['value'] = 0
        
        for i, file_path in enumerate(self.file_paths, 1):
            try:
                # 转换图片
                output_path = os.path.splitext(file_path)[0] + '.jpg'
                
                with Image.open(file_path) as img:
                    if img.mode != 'RGB':
                        img = img.convert('RGB')
                    img.save(output_path, 'JPEG', quality=95)
                
                # 删除原文件
                os.remove(file_path)
            except Exception as e:
                pass
            
            self.progress['value'] = i
            self.root.update()
        
        # 重置状态
        self.file_paths = []
        self.update_file_count()
        self.progress['value'] = 0

if __name__ == "__main__":
    root = TkinterDnD.Tk()
    app = ImageConverterApp(root)
    root.mainloop()

以上为源码
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jtjt68

谢谢分享

helian147

[Python] 纯文本查看 复制代码

import pillow_avif  # 处理avif文件

看代码里面， pillow_avif模块没用上啊？

qinlao123

喜欢本地的，不想用网站转。谢谢。

Willian

helian147 发表于 2026-4-28 21:24
看代码里面， pillow_avi ...

它是pillow里面的插件，实际上是调用了的，缺了没法转avif。库全名pillow-avif-plugin

thornjay

为什么python开发的界面都这么丑

雷神119

实用的软件，可以下载试用。

hbdzbs

喜欢本地的，不想用网站转。谢谢。