python语言的博大精深，让我们更方便的处理一些疑难杂症，有关python中PIL图片转换问题，你清楚吗？下面IT培训网小编整理了一些有问此类的问题，希望能够帮到大家。

python中PIL图片转换

importos

fromPIL importImage

importtkinter

importtkinter.filedialog

importtkinter.messagebox

classWindow():

def__init__(self):

self.root =root =tkinter.Tk()

self.menu =tkinter.Menu(root)

self.submenu =tkinter.Menu(self.menu, tearoff=0)

self.submenu.add_command(label='作者: 王小涛同學')

root.config(menu=self.submenu)

self.Image =tkinter.StringVar()

self.Image.set('.bmp')

self.mstatus =tkinter.IntVar()

self.fstatus =tkinter.IntVar()

self.mstatus.set(0)

self.fstatus.set(0)

self.status =tkinter.StringVar()

self.label =tkinter.Label(root, text='输入百分比')

self.label.place(x=5, y=5)

self.entryNew =tkinter.Entry(root)

self.entryNew.place(x=70, y=5)

self.checkM =tkinter.Checkbutton(self.root, text='批量转换', command=self.OnCheckM, variable=self.mstatus, onvalue=1, offvalue=0)

self.checkM.place(x=5, y=30)

self.label =tkinter.Label(root, text='选择文件')

self.label.place(x=5, y=55)

self.entryFile =tkinter.Entry(root)

self.entryFile.place(x=70, y=55)

self.BrowserFileButton =tkinter.Button(root, text='浏览', command=self.BrowserFile)

self.BrowserFileButton.place(x=220, y=55)

self.label =tkinter.Label(root, text='选择目录')

self.label.place(x=5, y=90)

self.entryDir =tkinter.Entry(root, state=tkinter.DISABLED)

self.entryDir.place(x=70, y=90)

self.BrowserDirButton =tkinter.Button(root, text='浏览', command=self.BrowserDir, state=tkinter.DISABLED)

self.BrowserDirButton.place(x=220, y=90)

self.checkF =tkinter.Checkbutton(root, text='改变文件格式', onvalue=1, offvalue=0, variable=self.fstatus, command=self.OnCheckF)

self.checkF.place(x=5, y=120)

frame =tkinter.Frame(root, )

frame.place(x=10, y=150)

self.rBmp =tkinter.Radiobutton(frame, variable=self.Image, value='.bmp', text='BMP', state=tkinter.DISABLED)

self.rBmp.pack(anchor='w')

self.rJpg =tkinter.Radiobutton(frame, variable=self.Image, value='.jpg', text='JPG', state=tkinter.DISABLED)

self.rJpg.pack(anchor='w')

self.rPng =tkinter.Radiobutton(frame, variable=self.Image, value='.png', text='PNG', state=tkinter.DISABLED)

self.rPng.pack(anchor='w')

self.rGif =tkinter.Radiobutton(frame, variable=self.Image, value='.gif', text='GIF', state=tkinter.DISABLED)

self.rGif.pack(anchor='w')

self.ButtonCov =tkinter.Button(root, text='转换格式', command=self.Conv, )

self.ButtonCov.place(x=120, y=180)

self.statusLabel =tkinter.Label(root, textvariable=self.status, fg='red')

self.statusLabel.place(x=80, y=220)

defOnCheckM(self):

ifnotself.mstatus.get():

self.entryDir.config(state=tkinter.DISABLED)

self.entryFile.config(state=tkinter.NORMAL)

self.BrowserFileButton.config(state=tkinter.NORMAL)

self.BrowserDirButton.config(state=tkinter.DISABLED)

else:

self.entryDir.config(state=tkinter.NORMAL)

self.entryFile.config(state=tkinter.DISABLED)

self.BrowserFileButton.config(state=tkinter.DISABLED)

self.BrowserDirButton.config(state=tkinter.NORMAL)

defOnCheckF(self):

ifnotself.fstatus.get():

self.rBmp.config(state=tkinter.DISABLED)

self.rPng.config(state=tkinter.DISABLED)

self.rJpg.config(state=tkinter.DISABLED)

self.rGif.config(state=tkinter.DISABLED)

else:

self.rBmp.config(state=tkinter.NORMAL)

self.rPng.config(state=tkinter.NORMAL)

self.rJpg.config(state=tkinter.NORMAL)

self.rGif.config(state=tkinter.NORMAL)

defBrowserFile(self):

file=tkinter.filedialog.askopenfilename(title='Python player', filetypes=[('JPG', '*.jpg'), ('BMP', '*.bmp'), ('GIF', '*.gif'), ('PNG', '*.png')])

iffile:

self.entryFile.delete(0, tkinter.END)

self.entryFile.insert(tkinter.END, file)

defBrowserDir(self):

directory =tkinter.filedialog.askdirectory(title='Python')

ifdirectory:

self.entryDir.delete(0, tkinter.END)

self.entryDir.insert(tkinter.END, directory)

defmake(self, file, format=None):

im =Image.open(file)

mode =im.mode

ifmode notin('L', 'RGB'):

im =im.convert('RGB')

width, height =im.size

s =self.entryNew.get()

ifs =='':

tkinter.messagebox.showerror('出错啦', '请输入百分比')

return

else:

n =int(s)

nwidth =int(width*n/100)

nheight =int(height*n/100)

thumb =im.resize((nwidth, nheight), Image.ANTIALIAS)

ifformat:

thumb.save(file[:(len(file)-4)] +'_thumb'+format)

else:

thumb.save(file[:(len(file)-4)] +'_thumb'+file[-4:])

defConv(self):

n =0

ifself.mstatus.get():

path =self.entryDir.get()

ifpath =="":

tkinter.messagebox.showerror('出错啦', '请选择路径')

return

filenames =os.listdir(path)

ifself.fstatus.get():

f =self.Image.get()

print(f)

forfilename infilenames:

iffilename[-3:] in('bmp', 'jpg', 'gif', 'png'):

self.make(path+'/'+filename, f)

n +=1

else:

forfilename infilenames:

iffilename[-3:] in('bmp', 'jpg', 'gif', 'png'):

self.make(path+'/'+filename)

n +=1

else:

file=self.entryFile.get()

iffile=='':

tkinter.messagebox.showerror('出错啦', '请选择文件')

return

ifself.fstatus.get():

f =self.Image.get()

self.make(file, f)

n +=1

else:

self.make(file)

n +=1

self.status.set('成功转换 %d 张图片'%n)

defmainloop(self):

self.root.minsize(280, 270)

self.root.maxsize(280, 250)

self.root.title('图片转换')

self.root.mainloop()

if__name__ =="__main__":

window =Window()

window.mainloop()

运行后的实际效果如下：