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。
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import tkinter as tkimport tkinter.scrolledtext as tkstimport fileinputfrom tkinter import *import osimport win32clipboardimport tkinter.fontt1 = []root = Nonedef 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
