GUI编程——Tkinter、pyinstaller

实现了一个图片转字符画的小程序
使用pyinstaller可以打包成exe程序在windows下方便使用

#!/usr/bin/env python#-*- coding: utf-8 -*-from tkinter import *from tkinter.filedialog import askopenfilename,askdirectoryimport tkinter.messagebox as messageboxclass Application(Frame):    def __init__(self,master=None):        Frame.__init__(self,master)        self.openpath = StringVar()        self.savepath = StringVar()        self.char_list="#*abcdeogqp;:',. "        self.pack()        self.create_widgets()    def selectOpenFilename(self):        openpath_=askopenfilename()        self.openpath.set(openpath_)    def selectSaveDirectory(self):        savepath_=askdirectory()        self.savepath.set(savepath_)    def get_char(self,r,g,b,alpha=256):        if alpha==0:            return ' '        length=len(self.char_list)        gray=int(0.2126*r+0.7152*g+0.0722*b)        unit=(256/length)        return self.char_list[int(gray/unit)]    def img2text(self):        from PIL import Image        import os        img_openpath=self.OpenEntry.get()        img_savepath=self.SaveEntry.get()        try:            img=Image.open(img_openpath)        except Exception:            messagebox.showinfo("failed", "请选择正确格式图片！")            return        img_name = img_openpath.split('/')[-1].split('.')[0]        WIDTH = 120        x,y=img.size        HEIGHT=int(WIDTH/x*y)        img=img.resize((WIDTH,HEIGHT),Image.NEAREST)        txt=''        for j in range(HEIGHT):            for i in range(WIDTH):                txt+=self.get_char(*img.getpixel((i,j)))            txt+='\n'        if img_savepath == '':            savepath = os.path.join('/'.join(img_openpath.split('/')[:-1]), '%s.txt' % img_name)            messagebox.showinfo('info', "未选路径,保存到图片路径目录下")        else:            savepath = os.path.join(img_savepath, '%s.txt'%img_name)        try:            with open(savepath,'w') as f:                f.write(txt)            messagebox.showinfo("success","转换成功！")        except Exception:            messagebox.showinfo("failed","转换出现错误，请重试！")    def create_widgets(self):        self.OpenLabel=Label(self,text="选择图片：")        self.OpenLabel.grid(row=0,column=0)        self.OpenEntry=Entry(self,textvariable=self.openpath,width=45)        self.OpenEntry.grid(row=0,column=1)        self.OpenButton=Button(self,text="选择图片",command=self.selectOpenFilename)        self.OpenButton.grid(row=0,column=2)        self.SaveLabel=Label(self,text="选择保存路径：")        self.SaveLabel.grid(row=1,column=0)        self.SaveEntry=Entry(self,textvariable=self.savepath,width=45)        self.SaveEntry.grid(row=1,column=1)        self.SaveButton = Button(self, text="选择保存路径", command=self.selectSaveDirectory)        self.SaveButton.grid(row=1, column=2)        self.ChangeButton=Button(self,text="开始转换",command=self.img2text)        self.ChangeButton.grid(row=2,column=2)        self.Quit=Button(self,text="退出",command=root.destroy,fg="red")        self.Quit.grid(row=2,column=0)root=Tk()root.title("图片转字符画")root.geometry("600x100")app=Application(master=root)app.mainloop()