本文实例为大家分享了python3.5仿微软记事本的具体代码,供大家参考,具体内容如下
from tkinter import filedialog import tkinter as tk import tkinter.scrolledtext as tkst from tkinter import messagebox import fileinput from tkinter import * from os import * import os import time t1 = [] root = None def die(): 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\") 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.bar = tk.Menu(rt) self.filem = tk.Menu(self.bar) self.filem.add_separator() self.filem.add_command(label = \"新建\",command = self.neweditor) self.filem.add_separator() self.filem.add_command(label = \"打开\",command = self.openfile) self.filem.add_separator() self.filem.add_command(label = \"保存\",command = self.savefile) self.filem.add_separator() self.filem.add_command(label = \"关闭\",command = self.close) self.filem.add_separator() self.filem.add_command(label = \"退出\",command = die) self.editm = tk.Menu(self.bar) self.editm.add_separator() self.editm.add_command(label = \"复制\",command = self.copy) self.editm.add_separator() self.editm.add_command(label = \"黏贴\",command = self.paste) self.editm.add_separator() self.editm.add_command(label = \"剪切\",command = self.cut) self.editm.add_separator() self.editm.add_command(label = \"删除\",command = self.delete_text) self.editm.add_separator() self.editm.add_command(label = \"查找\",command = self.find_char) self.editm.add_separator() self.editm.add_command(label = \"全选\",command = self.select_char_all) 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 = \"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.pack(expand = 1) def close(self): self.t.destroy() def openfile(self): 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): sname = filedialog.asksaveasfilename(title = \"保存好你的宝宝哟\",filetypes = [(\"保存文件\",\"*.txt\")]) if sname: ofp = open(sname,\"a\") ofp.write(self.st.get(1.0,tk.END)) ofp.flush() ofp.close() self.t.title(sname) def neweditor(self): global root t1.append(editor(root)) def copy(self): text = self.st.get(tk.SEL_FIRST,tk.SEL_LAST) self.st.clipboard_clear() self.st.clipboard_append(text) def paste(self): try: text = self.st.selection_get(selection = \"CLIPBOARD\") self.st.insert(tk.INSERT,text) except tk.TclError: pass def cut(self): 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): target = simpledialog.askstring(\"简易文本编辑器\",\"寻找字符串\") if target: end = self.st.index(tk.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 >100: pos_line = pos_line + 1 pos_column = 100 - (pos_column + length) 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): self.st.tag_add(tk.SEL,1.0,tk.END) self.st.see(tk.INSERT) self.st.focus() if __name__ == \"__main__\": root = None t1.append(editor(root)) root = t1[0].t root.mainloop()
以上就是本文的全部内容,希望对大家学习python程序设计有所帮助。