基于Python实现图片格式转换的小程序，供大家参考，具体内容如下
特点：1.批量处理图片
2.转换常见的4种图片格式
运行窗口-1
选择图片（可批量选择）-2
假设选中4张JEPG格式的图片
格式选择窗口-3
假设选择目标格式PNG
结束窗口-4
结果展示-5
可以发现4个JEPG目标图片成功转换为PNG格式的图片
import tkinter as tk
import tkinter.messagebox
from tkinter import filedialog
from PIL import Image
def main():
window1 = tk.Tk()
window1.title('')
window1.geometry('200x100')
l1 = tk.Label(window1, bg = 'green', font = ('宋体', 12), width = 50, text = '图片转换精灵（v1.3）')
l1.pack()
def select_image():
image = tk.filedialog.askopenfilenames(title = '选择图片')
num = len(image)
types = ['.webp', '.webp', '.tif', '.webp']
image_list = list(image)
window2 = tk.Tk()
window2.title('')
window2.geometry('200x250')
l2_1 = tk.Label(window2, bg = 'green', font = ('宋体', 12), width = 50, text = '图片转换精灵（v1.3）')
l2_1.pack()
l2_2 = tk.Label(window2, text = '')
l2_2.pack()
l2_3 = tk.Label(window2, font = ('宋体', 12), width = 50, text = '')
l2_3.pack()
l2_3.config(text = '已选择%d张图片' % num)
l2_4 = tk.Label(window2, font = ('宋体', 12), width = 50, text = '目标格式【点击即开始】')
l2_4.pack()
l2_5 = tk.Label(window2, text = '')
l2_5.pack()
def jpg_type():
image_type = types[0]
for img in image_list:
f = Image.open(img)
img_name = img[:-4]
try:
f.save(img_name + image_type)
except OSError:
tkinter.messagebox.showerror(title='', message='%s转换出错' % img)
tkinter.messagebox.showinfo(title='', message='转换完成')
def png_type():
image_type = types[1]
for img in image_list:
f = Image.open(img)
img_name = img[:-4]
try:
f.save(img_name + image_type)
except OSError:
tkinter.messagebox.showerror(title='', message='%s转换出错' % img)
tkinter.messagebox.showinfo(title='', message='转换完成')
def tif_type():
image_type = types[2]
for img in image_list:
f = Image.open(img)
img_name = img[:-4]
try:
f.save(img_name + image_type)
except OSError:
tkinter.messagebox.showerror(title='', message='%s转换出错' % img)
tkinter.messagebox.showinfo(title='', message='转换完成')
def gif_type():
image_type = types[3]
for img in image_list:
f = Image.open(img)
img_name = img[:-4]
try:
f.save(img_name + image_type)
except OSError:
tkinter.messagebox.showerror(title='', message='%s转换出错' % img)
tkinter.messagebox.showinfo(title='', message='转换完成')
button2_1 = tk.Button(window2, text = 'JEPG', font = ('宋体', 12), width = 8, height = 1, command = jpg_type)
button2_1.pack()
button2_2 = tk.Button(window2, text = 'PNG', font = ('宋体', 12), width = 8, height = 1, command = png_type)
button2_2.pack()
button2_3 = tk.Button(window2, text = 'TIF', font = ('宋体', 12), width = 8, height = 1, command = tif_type)
button2_3.pack()
button2_4 = tk.Button(window2, text = 'GIF', font = ('宋体', 12), width = 8, height = 1, command = gif_type)
button2_4.pack()
window2.mainloop()
botton1 = tk.Button(window1, text = '选择图片', font = ('宋体', 12), width = 8, height = 1, command = select_image)
botton1.place(x = 65, y = 40)
window1.mainloop()
if __name__ == '__main__':
main()