看了github的例子，自己写了个计算器，很简陋，只能进行简单的一次运算，可自己补充
本帖最后由 kno 于 2023-4-21 21:56 编辑import io# used for dealing with input and output
from tkinter import *# importing the necessary libraries
import tkinter.messagebox as mbox
import tkinter as tk# imported tkinter as tk
# -----------------------------------------------------------------------------------------------
class Keypad(tk.Frame):
keyboardnum=
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.target = None
self.memory = ""
for x, item in enumerate(self.keyboardnum):
b = tk.Button(
self,
text=item,
command=lambda text=item: self.append(text),
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
b.grid(row=(x%3), column=int(x/3), sticky="news")
x = tk.Button(
self,
text="+",
command=self.add_sym,
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
x.grid(row=0, column=10, columnspan="2", sticky="news")
x = tk.Button(
self,
text="-",
command=self.dec_sym,
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
x.grid(row=0, column=12, columnspan="2", sticky="news")
x = tk.Button(
self,
text="*",
command=self.mul_sym,
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
x.grid(row=0, column=14, columnspan="3", sticky="news")
x = tk.Button(
self,
text="/",
command=self.div_sym,
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
x.grid(row=0, column=17, columnspan="2", sticky="news")
x = tk.Button(
self,
text="=",
command=self.equ_sym,
font=("Arial", 14),
bg="white",
fg="black",
borderwidth=3,
relief="raised",
)
x.grid(row=0, column=19, columnspan="2", sticky="news")
def get(self):
if self.target:
return self.target.get()
def append(self, text):
if self.target:
self.target.insert("end", text)
def clear(self):
if self.target:
self.target.delete(0, END)
def backspace(self):
if self.target:
text = self.get()
text = text[:-1]
self.clear()
self.append(text)
def space(self):
if self.target:
text = self.get()
text = text + " "
self.clear()
self.append(text)
def copy(self):
# TODO: copy to clipboad
if self.target:
self.memory = self.get()
self.label["text"] = "memory: " + self.memory
print(self.memory)
def paste(self):
# TODO: copy from clipboad
if self.target:
self.append(self.memory)
def show(self, entry):
self.target = entry
self.place(relx=0.4, rely=0.4, anchor="c")
def add_sym(self):
if self.target:
text=self.get()
text=text+"+"
self.clear()
self.append(text)
def dec_sym(self):
if self.target:
text=self.get()
text=text+"-"
self.clear()
self.append(text)
def mul_sym(self):
if self.target:
text=self.get()
text=text+"*"
self.clear()
self.append(text)
def div_sym(self):
if self.target:
text=self.get()
text=text+"/"
self.clear()
self.append(text)
def equ_sym(self):
if self.target:
equ_result()
self.clear()
window = tk.Tk()
window.title("Emoji Dictionary")
window.geometry("1000x700")
outputtxt=tk.Text(
window,
height=7,
width=57,
font=("Arial",14),
bg="white",
fg="black",
borderwidth=3,
)
outputtxt.place(x=120,y=400)
myname=StringVar(window)
firstclick1=True
def clear_text():
inputentry.delete(0,END)
outputtxt.delete("1.0","end")
def on_inputentry_click(event):
global firstclick1
if firstclick1:
firstclick1=False
inputentry.delete(0,"end")
inputentry=Entry(window,font=("Arial",14),width=57,border=2,bg="white",fg="black")
inputentry.place(x=120,y=100)
Button(
window,
text="clear",
command=clear_text,
font=("Arial",20),
bg="white",
fg="black",
borderwidth=3,
).place(x=770,y=250)
def equ_result():
text=inputentry.get()
if text=='':
pass
else:
if '+' in text:
location = text.index('+')
num1 = int(text)
num2 = int(text)
result = num1 + num2
text = str(result)
outputtxt.insert(END,"reslut:"+text+'\n')
elif '-' in text:
location = text.index('-')
num1 = int(text)
num2 = int(text)
result = num1 - num2
text = str(result)
outputtxt.insert(END, "reslut:" + text+'\n')
elif '*' in text:
location = text.index('*')
num1 = int(text)
num2 = int(text)
result = num1 * num2
text = str(result)
outputtxt.insert(END, "reslut:" + text+'\n')
elif '/' in text:
location = text.index('/')
num1 = int(text)
num2 = int(text)
result = num1 / num2
text = str(result)
outputtxt.insert(END, "reslut:" + text+'\n')
def exit_win():
if mbox.askokcancel("Exit","Do you want to exit"):
window.destroy()
keypad=Keypad(window)
keypad.show(inputentry)
window.protocol("WM_DELETE_WINDOW", exit_win)
window.mainloop()
代码发到[code][/code]标签里 歌者文明清理员 发表于 2023-4-21 17:13
代码发到标签里
不常用啊，下次就懂了
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