Python桌面版图片批量添加阴影效果工具：自定义阴影颜色/模糊半径/偏移方向/透明度、实时预览对比、批量处理一键导出

🖥️ 运行效果

🚀 实例简介

一款基于Python Tkinter开发的桌面GUI工具，可以为图片批量添加专业的阴影效果。支持自定义阴影颜色、模糊半径、偏移方向、透明度等参数，实时预览效果，一键批量导出PNG格式。适用于电商产品图、社交媒体封面、PPT素材等场景。

💻 核心代码

#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""图片批量添加阴影效果工具 - Tkinter GUI桌面应用
功能：批量导入图片，自定义阴影颜色/模糊/偏移/透明度，实时预览，一键导出
依赖：pip install Pillow
"""
import tkinter as tk
from tkinter import ttk, filedialog, messagebox
import os, platform
from PIL import Image, ImageFilter, ImageChops

CHINESE_FONT = "WenQuanYi Zen Hei" if platform.system() == "Linux" else "Microsoft YaHei"

class ShadowApp:
    def __init__(self, root):
        self.root = root
        self.root.title("图片批量添加阴影效果工具")
        self.root.geometry("820x620")
        self.root.configure(bg="#f0f0f0")
        self.image_files = []
        self._build_ui()

    def _build_ui(self):
        """构建界面"""
        title = tk.Label(self.root, text="🖼️ 图片批量添加阴影效果工具",
                         font=(CHINESE_FONT, 16, "bold"), bg="#f0f0f0", fg="#2c3e50")
        title.pack(pady=(10, 5))
        # 参数面板
        param_frame = ttk.LabelFrame(self.root, text="阴影参数设置", padding=10)
        param_frame.pack(fill="x", padx=15, pady=5)
        params = [("阴影颜色(RGB):", "color_var", "#000000"),
                  ("模糊半径(px):", "blur_var", "15"),
                  ("X偏移(px):", "offx_var", "8"),
                  ("Y偏移(px):", "offy_var", "8"),
                  ("透明度(0-255):", "alpha_var", "160")]
        self.vars = {}
        for i, (label, key, default) in enumerate(params):
            tk.Label(param_frame, text=label, font=(CHINESE_FONT, 11), bg="#f0f0f0").grid(
                row=i//3, column=(i%3)*2, padx=5, pady=5, sticky="e")
            var = tk.StringVar(value=default)
            self.vars[key] = var
            tk.Entry(param_frame, textvariable=var, width=10, font=(CHINESE_FONT, 11)).grid(
                row=i//3, column=(i%3)*2+1, padx=5, pady=5)
        # 按钮区
        btn_frame = tk.Frame(self.root, bg="#f0f0f0")
        btn_frame.pack(fill="x", padx=15, pady=8)
        tk.Button(btn_frame, text="📂 导入图片", command=self.load_images,
                  font=(CHINESE_FONT, 12), bg="#3498db", fg="white", width=12).pack(side="left", padx=5)
        tk.Button(btn_frame, text="👁️ 预览效果", command=self.preview,
                  font=(CHINESE_FONT, 12), bg="#27ae60", fg="white", width=12).pack(side="left", padx=5)
        tk.Button(btn_frame, text="💾 批量导出", command=self.batch_export,
                  font=(CHINESE_FONT, 12), bg="#e67e22", fg="white", width=12).pack(side="left", padx=5)
        # 文件列表
        list_frame = ttk.LabelFrame(self.root, text="已导入图片列表", padding=5)
        list_frame.pack(fill="both", expand=True, padx=15, pady=5)
        self.file_list = tk.Listbox(list_frame, font=(CHINESE_FONT, 10), height=8)
        self.file_list.pack(fill="both", expand=True)
        # 状态栏
        self.status = tk.Label(self.root, text="就绪 - 请导入图片", font=(CHINESE_FONT, 10),
                               bg="#f0f0f0", fg="#666", anchor="w")
        self.status.pack(fill="x", padx=15, pady=(0, 10))

    def load_images(self):
        """导入图片文件"""
        files = filedialog.askopenfilenames(
            title="选择图片文件",
            filetypes=[("图片文件", "*.png *.jpg *.jpeg *.bmp *.webp"), ("所有文件", "*.*")])
        if files:
            self.image_files = list(files)
            self.file_list.delete(0, tk.END)
            for f in self.image_files:
                self.file_list.insert(tk.END, os.path.basename(f))
            self.status.config(text=f"✅ 已导入 {len(self.image_files)} 张图片")

    def _hex_to_rgb(self, hex_color):
        """将#RRGGBB转为RGB元组"""
        h = hex_color.lstrip("#")
        return tuple(int(h[i:i+2], 16) for i in (0, 2, 4))

    def add_shadow(self, img):

💡 适用场景

办公自动化、数据分析、快速原型开发