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Python 3.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python 2.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。
import tkinter as tk
import tkinter.scrolledtext as tkst
import fileinput
from tkinter import *
import os
import win32clipboard
import tkinter.font
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:韩东\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("<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)
def close(self,event = None):
self.t.destroy()
def openfile(self,event =None):
oname = 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 = filedialog.asksaveasfilename(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 = filedialog.asksaveasfilename(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("<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"]
for item in list_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]
for item in list_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"]
for item in list_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)
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()
以上就是本文给大家分享的代码了，希望大家能够喜欢
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