本文共 3903 字，大约阅读时间需要 13 分钟。

需求

1. 去除txt文件内的重复行
2. 保存去除后的文件
3. 打开文件选择框
4. 打开保存后的文件所处位置
5. 如无重复行不进行任何处理
6. 带界面，选择文件后界面显示文件内容
7. 去除重复行后显示文件内容
8. 多线程处理
9. 打包成可执行文件exe
10. 源码不准超过一百五十行

效果样板

初始界面

测试txt文件

文件大小为200多k，一万多行，开启速度毫无卡顿，处理也无卡顿。

视频演示

源码

# %%writefile txt_remove.py# -*- coding:utf-8 -*-#----W.Cxk----import tkinterfrom tkinter import filedialogimport os,sys,threadingimport base64from multiprocessing import Processdef read_txt():    global all_lines,result_lines    result_lines=[]    try:        [result_lines.append(i) for i in all_lines if not i in result_lines or i =='\n']        return result_lines,len(all_lines)-len(result_lines)    except:        pass        def write_txt(txt_path,save_path):    global result_lines    result_lines,line_number=read_txt()    if line_number==0:        pass    else:        with open(save_path,"a+") as f:            for i in [i for i in result_lines if i !='\n']:                f.write(i)            def btnCallBack():    global result_lines,save_path,txt_path        thread_it(write_txt,txt_path,save_path)        strs = ''.join([i for i in result_lines if i !='\n'])    text_new.insert(tkinter.INSERT, strs)    text_new.configure(state=tkinter.DISABLED)        btn1.pack(pady=6)    btn.pack_forget()    btn2.pack(pady=6)def thread_it(func, *args):    '''将函数打包进线程'''    # 创建    t = threading.Thread(target=func, args=args)     # 守护 !!!    t.setDaemon(True)     # 启动    t.start()    # 阻塞--卡死界面！    # t.join()    def chiose_txt_file():    global txt_path,save_path,all_lines    txt_path=""    text_old.configure(state=tkinter.NORMAL)    text_new.configure(state=tkinter.NORMAL)    text_new.delete('1.0','end')    text_old.delete('1.0','end')    all_lines=[]    root_path = sys.path[0]    try:        txt_path = tkinter.filedialog.askopenfilename(title=u'选择txt文件',initialdir=(os.path.expanduser(txt_path)))        with open(txt_path,"r") as f:            all_lines=f.readlines()        if "\n" not in all_lines[len(all_lines)-1]:            all_lines[len(all_lines)-1]=all_lines[len(all_lines)-1]+"\n"        filepath,tempfilename = os.path.split(txt_path)        save_path=filepath+os.sep+"new_"+txt_path.split("/")[-1]        if os.path.exists(save_path):            os.remove(save_path)                strs = ''.join(all_lines)        text_old.insert(tkinter.INSERT, strs)        text_old.configure(state=tkinter.DISABLED)        btn1.pack_forget()        btn.pack(pady=6)        btn2.pack_forget()            except Exception  as e:        passdef open_dir():    global save_path    filepath, tempfilename = os.path.split(save_path)    os.startfile(filepath)if __name__ == "__main__":    global all_lines,result_lines,txt_path,save_path    win = tkinter.Tk()    win.title("cxk文本去重")    #文本转图标    #with open('test.ico','wb') as f:    	##此处是base64转图标，文本过长，不放上来了        #f.write(base64.b64decode("AAABAA----sAAAAAAA"))    #win.iconbitmap('test.ico')    #os.remove('test.ico')    sw = win.winfo_screenwidth()    #得到屏幕宽度    sh = win.winfo_screenheight()    #得到屏幕高度    ww = 550    wh = 550    #窗口宽高    x = (sw-ww) / 2    y = (sh-wh) / 2    #居中显示    win.geometry("%dx%d+%d+%d" %(ww,wh,x,y))    #不可缩放    win.resizable(0, 0)    label=tkinter.Label(win,text='原始文件')  #图片    label.pack()    # height表示的是显示的行数    text_old = tkinter.Text(win, width=75, height=15)    text_old.pack(pady=5)    label2=tkinter.Label(win,text='去重后文件')  #图片    label2.pack()    # height表示的是显示的行数    text_new = tkinter.Text(win, width=75, height=15)    text_new.pack(pady=5)    btn1 = tkinter.Button(win, text='选择txt文件',width=15,command =lambda:thread_it(chiose_txt_file))    btn1.pack(pady=6)    btn = tkinter.Button(win, text='去除重复行',width=15,command = lambda:thread_it(btnCallBack))        btn2 = tkinter.Button(win, text='打开文件所在文件夹',width=15,command = lambda:thread_it(open_dir))        win.mainloop()

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