python3.5使用tkinter制作记事本
tkinter是Python下面向tk的图形界面接口库，可以方便地进行图形界面设计和交互操作编程。tkinter的优点是简单易用、与Python的结合度好。tkinter在Python3.x下默认集成，不需要额外的安装操作；不足之处为缺少合适的可视化界面设计工具，需要通过代码来完成窗口设计和元素布局。
本节采用的Python版本为3.x，如果想在python2.x下使用tkinter，请通过apt-get进行安装。需要注意的是，不同Python版本下的tkinter使用方式可能略有不同，建议采用Python3。
importtkinterastk
importtkinter.scrolledtextastkst
importfileinput
fromtkinterimport*
importos
importwin32clipboard
importtkinter.font
t1=[]
root=None
defdie(event=None):
root.destroy()
defabout():
messagebox.showinfo(title="当前版本为1.0,欢迎使用",message="**作者:韩东\n**状态:继续努力ing")
#defnewit(event):
#editorit=editor()
#editorit.neweditor()
classeditor():
def__init__(self,rt):
ifrt==None:
self.t=tk.Tk()
else:
self.t=tk.Toplevel(rt)
self.t.title("文本编辑器%d"%(len(t1)+1))
self.frm_file=tk.Frame(rt)
self.frm_file.grid(row=0,column=0,padx=0,sticky=W)
self.btn_open=Button(self.frm_file,text="打开",relief=GROOVE,command=self.openfile)
self.btn_open.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_new=Button(self.frm_file,text="新建",relief=GROOVE,command=self.neweditor)
self.btn_new.pack(side=LEFT,padx=5,fill=BOTH)
self.btn_save=Button(self.frm_file,text="保存",relief=GROOVE,command=self.savefile)
self.btn_save.pack(side=LEFT,padx=5,fill=BOTH)
self.btn_saveas=Button(self.frm_file,text="另存为",relief=GROOVE,command=self.saveasfile)
self.btn_saveas.pack(side=LEFT,padx=5,fill=BOTH)
self.btn_exit=Button(self.frm_file,text="退出",relief=GROOVE,command=self.close)
self.btn_exit.pack(side=RIGHT,padx=5,fill=BOTH)
self.frm_edit=tk.Frame(rt)
self.frm_edit.grid(row=0,column=1,padx=1,sticky=W)
self.btn_copy=Button(self.frm_edit,text="复制")
self.btn_copy.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_cut=Button(self.frm_edit,text="剪切")
self.btn_cut.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_paste=Button(self.frm_edit,text="黏贴")
self.btn_paste.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_find=Button(self.frm_edit,text="查询")
self.btn_find.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_allselect=Button(self.frm_edit,text="全选")
self.btn_allselect.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_font=Button(self.frm_edit,text="字体样式")
self.btn_font.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.btn_color=Button(self.frm_edit,text="字体颜色")
self.btn_color.pack(side=LEFT,padx=5,fill=BOTH,expand=1)
self.bar=tk.Menu(rt)
self.filem=tk.Menu(self.bar)
self.filem.add_separator()
self.filem.add_command(label="新建",command=self.neweditor,accelerator="Ctr+N")
self.filem.bind_all("<Control-n>",self.neweditor)
self.filem.add_separator()
self.filem.add_command(label="打开",command=self.openfile,accelerator="Ctr+O")
self.filem.bind_all("<Control-o>",self.openfile)
self.filem.add_separator()
self.filem.add_command(label="保存",command=self.savefile,accelerator="Ctr+S")
self.filem.bind_all("<Control-s>",self.savefile)
self.filem.add_separator()
self.filem.add_command(label="另存为",command=self.saveasfile,accelerator="Ctr+D")
self.filem.bind_all("<Control-d>",self.saveasfile)
self.filem.add_command(label="关闭",command=self.close,accelerator="F4")
self.filem.bind_all("<F4>",self.close)
self.filem.add_separator()
self.filem.add_command(label="退出",command=die,accelerator="ESC")
self.filem.bind_all("<Escape>",die)
self.editm=tk.Menu(self.bar)
self.editm.add_separator()
self.editm.add_command(label="复制",command=self.copy,accelerator=""*10+"Ctr+C")
self.editm.bind_all("<Control-c>",self.copy)
self.editm.add_separator()
self.editm.add_command(label="黏贴",command=self.paste,accelerator=""*10+"Ctr+V")
self.editm.bind_all("<Control-v>",self.paste)
self.editm.add_separator()
self.editm.add_command(label="剪切",command=self.cut,accelerator=""*10+"Ctr+X")
self.editm.bind_all("<Control-x>",self.cut)
self.editm.add_separator()
self.editm.add_command(label="删除",command=self.delete_text,accelerator=""*10+"Delete")
self.editm.bind_all("<Delete>",self.delete_text)
self.editm.add_separator()
self.editm.add_command(label="查找",command=self.find_char,accelerator=""*10+"Ctr+F")
self.editm.bind_all("<Control-f>",self.find_char)
self.editm.add_separator()
self.editm.add_command(label="全选",command=self.select_char_all,accelerator=""*10+"Ctr+A")
self.editm.bind_all("<Control-a>",self.select_char_all)
self.formm=tk.Menu(self.bar)
self.formm.add_command(label="字体颜色",command=self.color_it,accelerator=""*10+"Alt+C")
self.formm.bind_all("<Alt-f>",self.color_it)
self.formm.add_separator()
self.formm.add_command(label="字体格式",command=self.font_it,accelerator=""*10+"Alt+F")
self.formm.bind_all("<Alt-f>",self.font_it)
self.helpm=tk.Menu(self.bar)
self.helpm.add_command(label="关于",command=about)
self.bar.add_cascade(label="文件",menu=self.filem)
self.bar.add_cascade(label="编辑",menu=self.editm)
self.bar.add_cascade(label="格式",menu=self.formm)
self.bar.add_cascade(label="帮助",menu=self.helpm)
self.t.config(menu=self.bar)
#self.f=tk.Frame(self.t,width=512)
#self.f.pack(expand=1)
self.st=tkst.ScrolledText(self.t)
self.st.grid(row=1,column=0,columnspan=3,pady=3)
defclose(self,event=None):
self.t.destroy()
defopenfile(self,event=None):
oname=filedialog.askopenfilename(filetypes=[("打开文件","*.txt")])
ifoname:
forlineinfileinput.input(oname):
self.st.insert("1.0",line)
self.t.title(oname)
defsavefile(self,event=None):
ifos.path.isfile(self.t.title()):
opf=open(self.t.title(),"w")
opf.write(self.st.get(1.0,tk.END))
opf.flush()
opf.close()
else:
sname=filedialog.asksaveasfilename(title="保存好你的宝宝哟",filetypes=[("保存文件","*.txt")],defaultextension=".txt")
ifsname:
ofp=open(sname,"w")
ofp.write(self.st.get(1.0,tk.END))
ofp.flush()
ofp.close()
self.t.title(sname)
defsaveasfile(self,event=None):
sname=filedialog.asksaveasfilename(title="保存好你的宝宝哟",filetypes=[("保存文件","*.txt")],defaultextension=".txt")
ifsname:
ofp=open(sname,"w")
ofp.write(self.st.get(1.0,tk.END))
ofp.flush()
ofp.close()
self.t.title(sname)
defneweditor(self,event=None):
globalroot
t1.append(editor(root))
defcopy(self,event=None):
text=self.st.get(tk.SEL_FIRST,tk.SEL_LAST)
self.st.clipboard_clear()
self.st.clipboard_append(text)
defpaste(self,event=None):
try:
text=self.st.selection_get(selection="CLIPBOARD")
self.st.insert(tk.INSERT,text)
self.st.clipboard_clear()
excepttk.TclError:
pass
defcut(self,event=None):
text=self.st.get(tk.SEL_FIRST,tk.SEL_LAST)
self.st.delete(tk.SEL_FIRST,tk.SEL_LAST)
self.st.clipboard_clear()
self.st.clipboard_append(text)
defdelete_text(self):
self.st.delete(tk.SEL_FIRST,tk.SEL_LAST)
deffind_char(self,event=None):
target=simpledialog.askstring("简易文本编辑器","寻找字符串")
iftarget:
end=self.st.index(tk.END)
print(end)
endindex=end.split(".")
end_line=int(endindex[0])
end_column=int(endindex[1])
pos_line=1
pos_column=0
length=len(target)
whilepos_line<=end_line:
ifpos_line==end_lineandpos_column+length>end_column:
break
elifpos_line<end_lineandpos_column+length>500:
pos_line=pos_line+1
pos_column=(pos_column+length)-500
ifpos_column>end_column:
break
else:
pos=str(pos_line)+"."+str(pos_column)
where=self.st.search(target,pos,tk.END)
ifwhere:
print(where)
where1=where.split(".")
sele_end_col=str(int(where1[1])+length)
sele=where1[0]+"."+sele_end_col
self.st.tag_add(tk.SEL,where,sele)
self.st.mark_set(tk.INSERT,sele)
self.st.see(tk.INSERT)
self.st.focus()
again=messagebox.askokcancel(title="继续查询么")
ifagain:
pos_line=int(where1[0])
pos_column=int(sele_end_col)
else:
aa=messagebox.showinfo(title="你终于还是放弃了我",message="你放弃了我--!")
ifaa:
sys.exit()
defselect_char_all(self,event=None):
self.st.tag_add(tk.SEL,1.0,tk.END)
self.st.see(tk.INSERT)
self.st.focus()
defcolor_it(self,event=None):
color=colorchooser.askcolor()
self.st["foreground"]=color[1]
deffont_it(self,event=None):
self.t_font=tk.Toplevel()
self.t_font.title("字体选择面板")
self.label_size=Label(self.t_font,text="字体大小")
self.label_shape=Label(self.t_font,text="字体形状")
self.label_font=Label(self.t_font,text="字体类型")
self.label_weight=Label(self.t_font,text="字体粗细")
self.label_size.grid(row=0,column=0,padx=30)
self.label_shape.grid(row=0,column=4,padx=30)
self.label_font.grid(row=0,column=2,padx=30)
self.label_weight.grid(row=0,column=6,padx=30)
self.scroll_size=Scrollbar(self.t_font)
self.scroll_size.grid(row=1,column=1,stick=NS)
self.scroll_shape=Scrollbar(self.t_font)
self.scroll_shape.grid(row=1,column=3,stick=NS)
self.scroll_font=Scrollbar(self.t_font)
self.scroll_font.grid(row=1,column=5,stick=NS)
self.scroll_weight=Scrollbar(self.t_font)
self.scroll_weight.grid(row=1,column=7,stick=NS)
list_var_font=StringVar()
list_var_size=StringVar()
list_var_shape=StringVar()
list_var_weight=StringVar()
self.list_font=Listbox(self.t_font,selectmode=BROWSE,listvariable=list_var_font,exportselection=0)
self.list_font.grid(row=1,column=2,padx=4)
list_font_item=["\"Arial\"","\"ArialBaltic\"","\"ArialBlack\"","\"ArialCE\"","\"ArialCYR\"","\"ArialGreek\"","\"ArialNarrow\"",
"\"ArialTUR\"","\"BaiduanNumber\"","\"Batang,BatangChe\""]
foriteminlist_font_item:
self.list_font.insert(0,item)
self.list_font.bind("<ButtonRelease-1>",self.change_font)
self.list_shape=Listbox(self.t_font,selectmode=BROWSE,listvariable=list_var_shape,exportselection=0)
self.list_shape.grid(row=1,column=4,padx=4)
list_shape_item=["italic","roman"]
foriteminlist_shape_item:
self.list_shape.insert(0,item)
self.list_shape.bind("<ButtonRelease-1>",self.change_shape)
self.list_size=Listbox(self.t_font,selectmode=BROWSE,listvariable=list_var_size,exportselection=0)
self.list_size.grid(row=1,column=0,padx=4)
list_size_item=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17]
foriteminlist_size_item:
self.list_size.insert(0,item)
self.list_size.bind("<ButtonRelease-1>",self.change_size)
self.list_weight=Listbox(self.t_font,selectmode=BROWSE,listvariable=list_var_weight,exportselection=0)
self.list_weight.grid(row=1,column=6,padx=4)
list_weight_item=["bold","normal"]
foriteminlist_weight_item:
self.list_weight.insert(0,item)
self.list_weight.bind("<ButtonRelease-1>",self.change_weight)
self.labFra_display=LabelFrame(self.t_font,text="字体样式演示区域")
self.labFra_display.grid(row=2,column=0,pady=4)
self.lab_display=Label(self.labFra_display,text="我在这里")
self.lab_display.pack()
self.btn_ok=Button(self.t_font,text="确定",width=10,height=2,command=self.change)
self.btn_ok.grid(row=2,column=2,pady=4)
self.btn_cancel=Button(self.t_font,width=10,height=2,text="取消",command=self.exit_subwindow)
self.btn_cancel.grid(row=2,column=4,pady=4)
defchange_size(self,event):
tk.customFont=font.Font(family="Helvetica",size=12,weight="normal",slant="roman",underline=0)
size=tk.customFont["size"]
tk.customFont.configure(size=self.list_size.get(self.list_size.curselection()))
self.st.config(font=tk.customFont)
self.size_count=1
pass
defchange_font(self,event):
tk.customFont=font.Font(family="Helvetica",size=12,weight="normal",slant="roman",underline=0)
family=tk.customFont["family"]
tk.customFont.configure(family=self.list_font.get(self.list_font.curselection()))
self.st.config(font=tk.customFont)
self.font_count=1
pass
defchange_shape(self,event):
tk.customFont=font.Font(family="Helvetica",size=12,weight="normal",slant="roman",underline=0)
slant=tk.customFont["slant"]
tk.customFont.configure(slant=self.list_shape.get(self.list_shape.curselection()))
self.st.config(font=tk.customFont)
self.shape_count=1
pass
defchange_weight(self,event):
tk.customFont=font.Font(family="Helvetica",size=12,weight="normal",slant="roman",underline=0)
weight=tk.customFont["weight"]
tk.customFont.configure(weight=self.list_weight.get(self.list_weight.curselection()))
self.st.config(font=tk.customFont)
self.shape_count=1
defchange(self,event):
pass
#self.st["font"]=(self.list_size.get(self.list_size.curselection()))
#self.st["font"]=(self.list_font.get(self.list_font.curselection()))
#self.st["font"]=(self.list_shape.get(self.list_shape.curselection()))
defexit_subwindow(self):
self.t_font.destroy()
if__name__=="__main__":
root=None
t1.append(editor(root))
root=t1[0].t
root.mainloop()
以上就是本文给大家分享的代码了，希望大家能够喜欢