记事本的开发---Tkinter的使用 短命女 2021-09-13 23:00 287阅读 0赞 #coding:utf-8 __author__ = 'xshengjing' from Tkinter import * from tkMessageBox import * from tkFileDialog import * import os file_name = "" def search(): top_search = Toplevel(root) #top_search.geometry("300*30+20+250") label_01 = Label(top_search,text="Find") label_01.grid(row=0,column=0,padx=5) entry_01 = Entry(top_search,width=20) entry_01.grid(row=0,column=1,padx=5) button_01 = Button(top_search,text="查找") button_01.grid(row=0,column=2) def anthor(): showinfo("作者信息","本软件由小徐完成") def about(): showinfo("版权信息.Copyright","本软件版权归小徐所有") def open_file(): global file_name file_name = askopenfilename(defaultextension=".txt") if file_name == "": file_name = None else: root.title("FileName:" + os.path.basename(file_name)) text_pad.delete(1.0,END) f = open(file_name,"r") text_pad.insert(1.0,f.read()) f.close() def cut(): text_pad.event_generate("<<Cut>>") def copy(): text_pad.event_generate("<<Copy>>") def paste(): text_pad.event_generate("<<Paste>>") def redo(): text_pad.event_generate("<<Redo>>") def undo(): text_pad.event_generate("<<Undo>>") def select_all(): text_pad.tag_add('sel','1.0',END) def new(): global file_name root.title("未命名文件") file_name = None text_pad.delete(1.0,END) def save(): global file_name try: f = open(file_name,"w") msg = text_pad.get(1.0,END) f.write(msg) f.close() except: save_as() def save_as(): f = asksaveasfilename(initialfil="未命名.txt",defaultextension=".txt") global file_name file_name = f fh = open(f,"w") msg = text_pad.get(1.0,END) fh.write(msg) fh.close() root.title("FileName:" + os.path.basename(f)) root = Tk() root.title("小徐记事本") #root.geometry("500*500+100+100") menubar = Menu(root) # create a pulldown menu, and add it to the menu bar filemenu = Menu(menubar, tearoff=0) filemenu.add_command(label="新建", accelerator="Ctrl + N",command=new) filemenu.add_command(label="打开", accelerator="Ctrl + N",command=open_file) filemenu.add_command(label="保存", accelerator="Ctrl + S",command=save) filemenu.add_command(label="另存为", accelerator="Ctrl + Shift + S",command=save_as) filemenu.add_command(label="退出", command=root.quit) menubar.add_cascade(label="文件", menu=filemenu) # create more pulldown menus editmenu = Menu(menubar) editmenu.add_command(label="撤销", accelerator="Ctrl + Z",command=undo) editmenu.add_command(label="重做", accelerator="Ctrl + Y",command=redo) editmenu.add_separator() editmenu.add_command(label="剪切", accelerator="Ctrl + X",command=cut) editmenu.add_command(label="复制", accelerator="Ctrl + C",command=copy) editmenu.add_command(label="黏贴", accelerator="Ctrl + V",command=paste) editmenu.add_separator() editmenu.add_command(label="查找", accelerator="Ctrl + F",command=search) editmenu.add_command(label="全选", accelerator="Ctrl + A",command=select_all) menubar.add_cascade(label="编辑", menu=editmenu) aboutmenu = Menu(menubar, tearoff=0) aboutmenu.add_command(label="作者",command=anthor) aboutmenu.add_command(label="版权",command=about) menubar.add_cascade(label="关于", menu=aboutmenu) root.config(menu=menubar) toolbar = Frame(root,height=25,bg="light sea green") short_button = Button(toolbar,text="打开",command= open_file) short_button.pack(side=LEFT,padx=5,pady=5) short_button = Button(toolbar,text="保存") short_button.pack(side=LEFT) toolbar.pack(expand=NO,fill=X) status = Label(root,text="Ln20",bd=1,relief=SUNKEN,anchor=W) status.pack(side=BOTTOM,fill=X) #显示行号 lnlabel = Label(root,width=2,bg='antique white') lnlabel.pack(side=LEFT,fill=Y) text_pad = Text(root,undo=True) text_pad.pack(expand=YES,fill=BOTH) scroll = Scrollbar(text_pad) text_pad.config(yscrollcommand=scroll.set) scroll.config(command=text_pad.yview) scroll.pack(side=RIGHT,fill=Y) root.mainloop()
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