python如何制作记事本

记事本"/>

python如何制作记事本

用python实现简单记事本功能，代码如下:

import tkinter as tk

import tkinter.scrolledtext as tkst

import fileinput

from tkinter import *

import os

import win32clipboard

import tkinter.font

import tkinter.filedialog

t1 = []

root = None

def die(event = None):

root.destroy()

def about():

messagebox.showinfo(title = "当前版本为1.0,欢迎使用",message = "**作者:\n**状态:继续努力ing")

#def newit(event):

#editorit = editor()

#editorit.neweditor()

class editor():

def __init__(self,rt):

if rt == 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("",self.neweditor)

self.filem.add_separator()

self.filem.add_command(label = "打开",command = self.openfile,accelerator = "     Ctr + O")

self.filem.bind_all("",self.openfile)

self.filem.add_separator()

self.filem.add_command(label = "保存",command = self.savefile,accelerator = "     Ctr +S ")

self.filem.bind_all("",self.savefile)

self.filem.add_separator()

self.filem.add_command(label = "另存为",command = self.saveasfile,accelerator = "     Ctr + D ")

self.filem.bind_all("",self.saveasfile)

self.filem.add_command(label = "关闭",command = self.close,accelerator = "     F4")

self.filem.bind_all("",self.close)

self.filem.add_separator()

self.filem.add_command(label = "退出",command = die,accelerator = "     ESC")

self.filem.bind_all("",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("",self.copy)

self.editm.add_separator()

self.editm.add_command(label = "黏贴",command = self.paste,accelerator = " "*10 + "Ctr + V")

self.editm.bind_all("",self.paste)

self.editm.add_separator()

self.editm.add_command(label = "剪切",command = self.cut,accelerator = " "*10 + "Ctr + X")

self.editm.bind_all("",self.cut)

self.editm.add_separator()

self.editm.add_command(label = "删除",command = self.delete_text,accelerator = " "*10 + "Delete")

self.editm.bind_all("",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("",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("",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("",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("",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)

def close(self,event = None):

self.t.destroy()

def openfile(self,event =None):

oname = tkinter.filedialog.askopenfilename(filetypes = [("打开文件","*.txt")])

if oname:

for line in fileinput.input(oname):

self.st.insert("1.0",line)

self.t.title(oname)

def savefile(self,event =None):

if os.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 = tkinter.filedialog.askopenfilename(title = "保存好你的宝宝哟",filetypes = [("保存文件","*.txt")],defaultextension = ".txt")

if sname:

ofp = open(sname,"w")

ofp.write(self.st.get(1.0,tk.END))

ofp.flush()

ofp.close()

self.t.title(sname)

def saveasfile(self,event = None):

sname = tkinter.filedialog.askopenfilename(title = "保存好你的宝宝哟",filetypes = [("保存文件","*.txt")],defaultextension = ".txt")

if sname:

ofp = open(sname,"w")

ofp.write(self.st.get(1.0,tk.END))

ofp.flush()

ofp.close()

self.t.title(sname)

def neweditor(self,event = None):

global root

t1.append(editor(root))

def copy(self,event = None):

text = self.st.get(tk.SEL_FIRST,tk.SEL_LAST)

self.st.clipboard_clear()

self.st.clipboard_append(text)

def paste(self,event= None):

try:

text = self.st.selection_get(selection = "CLIPBOARD")

self.st.insert(tk.INSERT,text)

self.st.clipboard_clear()

except tk.TclError:

pass

def cut(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)

def delete_text(self):

self.st.delete(tk.SEL_FIRST,tk.SEL_LAST)

def find_char(self,event = None):

target = simpledialog.askstring("简易文本编辑器","寻找字符串")

if target:

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)

while pos_line <= end_line :

if pos_line == end_line and pos_column +length > end_column:

break

elif pos_line < end_line and pos_column + length >500:

pos_line = pos_line + 1

pos_column = (pos_column + length) -500

if pos_column > end_column:

break

else:

pos = str(pos_line)+"."+str(pos_column)

where = self.st.search(target,pos,tk.END)

if where:

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")

if again:

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--!")

if aa:

sys.exit()

def select_char_all(self,event= None):

self.st.tag_add(tk.SEL,1.0,tk.END)

self.st.see(tk.INSERT)

self.st.focus()

def color_it(self,event = None):

color = colorchooser.askcolor()

self.st["foreground"] = color[1]

def font_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\"","\"Arial Baltic\"","\"Arial Black\"","\"Arial CE\"","\"Arial CYR\"","\"Arial Greek\"","\"Arial Narrow\"",

"\"Arial TUR\"","\"Baiduan Number\"","\"Batang,BatangChe\""]

for item in list_font_item:

self.list_font.insert(0,item)

self.list_font.bind("",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"]

for item in list_shape_item:

self.list_shape.insert(0,item)

self.list_shape.bind("",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]

for item in list_size_item :

self.list_size.insert(0,item)

self.list_size.bind("",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"]

for item in list_weight_item:

self.list_weight.insert(0,item)

self.list_weight.bind("",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)

def change_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

def change_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

def change_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

def change_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

def change(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()))

def exit_subwindow(self):

self.t_font.destroy()

if __name__ == "__main__":

root = None

t1.append(editor(root))

root = t1[0].t

root.mainloop()