实现代码：

import os

import tkinter as tk

from tkinter import filedialog, ttk, messagebox

from PIL import Image, ImageTk

import math

class ImageSplitterApp:

def __init__(self, root):

self.root = root

self.root.title("图片自动分割工具")

self.root.geometry("800x600")

self.root.configure(bg='#f0f0f0')

# 变量初始化

self.image_path = None

self.original_image = None

self.tiles = []

self.tile_width = tk.IntVar(value=200)

self.tile_height = tk.IntVar(value=200)

self.output_dir = tk.StringVar(value=os.path.expanduser("~/Desktop"))

self.preview_image = None

# 创建UI

self.create_widgets()

def create_widgets(self):

# 控制面板

control_frame = tk.Frame(self.root, bg='#e0e0e0', padx=10, pady=10)

control_frame.pack(fill=tk.X, padx=10, pady=10)

# 选择图片按钮

tk.Button(control_frame, text="选择图片", command=self.load_image,

bg="#4CAF50", fg="white", font=("Arial", 10, "bold")).grid(row=0, column=0, padx=5, pady=5)

# 分辨率设置

tk.Label(control_frame, text="小图宽度:", bg='#e0e0e0').grid(row=0, column=1, padx=5, pady=5)

tk.Entry(control_frame, textvariable=self.tile_width, width=6).grid(row=0, column=2, padx=5, pady=5)

tk.Label(control_frame, text="小图高度:", bg='#e0e0e0').grid(row=0, column=3, padx=5, pady=5)

tk.Entry(control_frame, textvariable=self.tile_height, width=6).grid(row=0, column=4, padx=5, pady=5)

# 输出目录

tk.Label(control_frame, text="输出目录:", bg='#e0e0e0').grid(row=0, column=5, padx=5, pady=5)

tk.Entry(control_frame, textvariable=self.output_dir, width=30).grid(row=0, column=6, padx=5, pady=5)

tk.Button(control_frame, text="浏览", command=self.select_output_dir).grid(row=0, column=7, padx=5, pady=5)

# 处理按钮

tk.Button(control_frame, text="分割图片", command=self.split_image,

bg="#2196F3", fg="white", font=("Arial", 10, "bold")).grid(row=0, column=8, padx=5, pady=5)

# 预览区域

preview_frame = tk.Frame(self.root, bg='white')

preview_frame.pack(fill=tk.BOTH, expand=True, padx=10, pady=(0, 10))

self.canvas = tk.Canvas(preview_frame, bg='white')

self.canvas.pack(fill=tk.BOTH, expand=True)

# 状态栏

self.status = tk.StringVar(value="准备就绪")

status_bar = tk.Label(self.root, textvariable=self.status, bd=1, relief=tk.SUNKEN, anchor=tk.W, bg='#e0e0e0')

status_bar.pack(side=tk.BOTTOM, fill=tk.X)

def load_image(self):

file_path = filedialog.askopenfilename(

filetypes=[("图像文件", "*.jpg *.jpeg *.png *.bmp *.gif *.tiff")]

)

if file_path:

self.image_path = file_path

try:

self.original_image = Image.open(file_path)

self.status.set(

f"已加载: {os.path.basename(file_path)} - {self.original_image.size[0]}×{self.original_image.size[1]}像素")

self.show_preview()

except Exception as e:

messagebox.showerror("错误", f"无法加载图片: {str(e)}")

def select_output_dir(self):

dir_path = filedialog.askdirectory()

if dir_path:

self.output_dir.set(dir_path)

def show_preview(self):

if not self.original_image:

return

self.canvas.delete("all")

# 调整预览大小以适应窗口

canvas_width = self.canvas.winfo_width()

canvas_height = self.canvas.winfo_height()

if canvas_width < 10 or canvas_height < 10:

canvas_width = 700

canvas_height = 400

img = self.original_image.copy()

img.thumbnail((canvas_width, canvas_height), Image.LANCZOS)

self.preview_image = ImageTk.PhotoImage(img)

self.canvas.create_image(

canvas_width // 2,

canvas_height // 2,

image=self.preview_image

)

# 绘制网格线预览分割效果

width, height = self.original_image.size

tile_w = self.tile_width.get()

tile_h = self.tile_height.get()

if tile_w <= 0 or tile_h <= 0:

return

cols = width // tile_w

rows = height // tile_h

# 计算缩放比例

scale_x = img.width / width

scale_y = img.height / height

# 绘制网格线

for i in range(1, cols):

x = i * tile_w * scale_x

self.canvas.create_line(x, 0, x, canvas_height, fill="red", dash=(4, 4))

for i in range(1, rows):

y = i * tile_h * scale_y

self.canvas.create_line(0, y, canvas_width, y, fill="red", dash=(4, 4))

# 显示分割信息

self.canvas.create_text(

10, 10,

text=f"原图: {width}×{height}像素 | 分割: {cols}×{rows} = {cols * rows}张小图",

anchor=tk.NW, fill="blue", font=("Arial", 10, "bold")

)

def split_image(self):

if not self.original_image:

messagebox.showwarning("警告", "请先选择一张图片")

return

tile_w = self.tile_width.get()

tile_h = self.tile_height.get()

if tile_w <= 0 or tile_h <= 0:

messagebox.showwarning("警告", "小图尺寸必须大于0")

return

width, height = self.original_image.size

cols = width // tile_w

rows = height // tile_h

if cols <= 0 or rows <= 0:

messagebox.showwarning("警告", "小图尺寸太大，无法分割")

return

output_dir = self.output_dir.get()

if not os.path.exists(output_dir):

try:

os.makedirs(output_dir)

except:

messagebox.showerror("错误", f"无法创建输出目录: {output_dir}")

return

# 获取文件名（不含扩展名）

filename = os.path.splitext(os.path.basename(self.image_path))[0]

self.tiles = []

progress = ttk.Progressbar(self.root, orient=tk.HORIZONTAL, length=300, mode='determinate')

progress.pack(pady=5)

self.root.update()

try:

total_tiles = cols * rows

processed = 0

for i in range(rows):

for j in range(cols):

# 计算裁剪区域

left = j * tile_w

upper = i * tile_h

right = left + tile_w

lower = upper + tile_h

# 裁剪并保存

tile = self.original_image.crop((left, upper, right, lower))

output_path = os.path.join(output_dir, f"{filename}_{i}_{j}.png")

tile.save(output_path)

self.tiles.append(tile)

processed += 1

progress['value'] = (processed / total_tiles) * 100

self.root.update()

progress.destroy()

messagebox.showinfo("完成", f"成功分割图片为 {total_tiles} 张小图\n保存到: {output_dir}")

self.status.set(f"分割完成: {total_tiles} 张小图保存到 {output_dir}")

except Exception as e:

progress.destroy()

messagebox.showerror("错误", f"分割图片时出错: {str(e)}")

def run(self):

self.root.mainloop()

if __name__ == "__main__":

root = tk.Tk()

app = ImageSplitterApp(root)

app.run()