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Update 计算器.py

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plhj9vtan 6 months ago
parent 8cccef1f1e
commit 451079b267
1 changed files with 87 additions and 47 deletions
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计算器.py
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@ -11,8 +11,7 @@ window.geometry('520x300+600+300')
window.resizable(False, False)
# 设置窗口标题
window.title('计算器')
# 背景颜色
#window.config(background="BlueViolet")
# 背景颜色,例：window.config(background="BlueViolet")
window.config(background="Blue")
# 自动刷新字符串变量，可用 set 和 get 方法进行传值和取值
content_var = tk.StringVar(window, '')
@ -22,70 +21,88 @@ content_entry = tk.Entry(window, textvariable=content_var, bd=10)
content_entry['state'] = 'readonly'
# 设置文本框坐标及宽高
content_entry.place(x=20, y=10, width=300, height=38)
# 记录计算过程
record_text = tk.Text(window, wrap=tk.WORD, height=10)
record_text.place(x=320, y=50, width=180, height=240)
# 按钮显示内容
value = ['eˣ','π', '**', '%', '//','ln',
'√','⌫', '(', ')', '/','lg',
'x!','7', '8', '9', '*','tan',
'x³','4', '5', '6', '-','cos',
'x²','1', '2', '3', '+','sin',]
values = ['eˣ', 'π', '**', '%', '//', 'ln',
'√', '⌫', '(', ')', '/', 'lg',
'x!', '7', '8', '9', '*', 'tan',
'x³', '4', '5', '6', '-', 'cos',
'x²', '1', '2', '3', '+', 'sin']
value0 = ['+/-','C', '0', '.', '=',]
# 其余特殊按钮
value = ['+/-', 'C', '0', '.', '=']
index_s = 0
index = 0
index0 = 0
# 将按钮进行 5x6 放置
for row in range(5):
for col in range(6):
d = value[index]
index += 1
if (row==1 and (col==1 or col==2 or col==3)):
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="gray", fg="black")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif (row==2 and (col==1 or col==2 or col==3)):
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="LightPink", fg="red")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif (row==3 and (col==1 or col==2 or col==3)):
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="LightPink", fg="red")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif (row==4 and (col==1 or col==2 or col==3)):
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="LightPink", fg="red")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif (col==5):
d = values[index_s]
index_s += 1
if row == 1:
if col == 1 or col == 2 or col == 3:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="gray", fg="black")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif col == 0 or col == 4:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="DeepSkyBlue", fg="purple")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
else:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="orange", fg="blue")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif row == 2 or row == 3 or row == 4:
if col == 1 or col == 2 or col == 3:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="LightPink", fg="red")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif col == 0 or col == 4:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="DeepSkyBlue", fg="purple")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
else:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="orange", fg="blue")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
elif col == 5:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="orange", fg="blue")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
else:
btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
command=lambda x=d: onclick(x), bg="DeepSkyBlue", fg="purple")
btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
for l in range(5):
c = value0[index0]
index0 += 1
if (l == 2):
for leo in range(5):
c = value[index]
index += 1
if leo == 2:
btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
command=lambda x=c: onclick(x), bg="LightPink", fg="red")
btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
elif (l == 0):
btn_digit.place(x=20 + leo * 50, y=250, width=50, height=40)
elif leo == 0:
btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
command=lambda x=c: onclick(x), bg="SpringGreen", fg="red")
btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
elif (l == 1):
btn_digit.place(x=20 + leo * 50, y=250, width=50, height=40)
elif leo == 1:
btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
command=lambda x=c: onclick(x), bg="yellow", fg="red")
btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
elif (l == 3):
btn_digit.place(x=20 + leo * 50, y=250, width=50, height=40)
elif leo == 3:
btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
command=lambda x=c: onclick(x), bg="SkyBlue", fg="red")
btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
btn_digit.place(x=20 + leo * 50, y=250, width=50, height=40)
else:
btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
command=lambda x=c: onclick(x), bg="LightCoral", fg="black")
@ -99,6 +116,7 @@ btn_clear_record = tk.Button(window, text='清除记录', font=("Helvetica", 14,
command=lambda: record_text.delete(1.0, tk.END), bg="white", fg="black")
btn_clear_record.place(x=320, y=250, width=180, height=40)
# 点击事件
def onclick(key):
# 运算符
@ -112,6 +130,7 @@ def onclick(key):
if key in '0123456789':
# 按下 0-9 在 content 中追加
content += key
elif key == '.':
# 将 content 从 +-*/ 这些字符的地方分割开来
last_part = re.split(r'[+\-*/]', content)[-1]
@ -121,9 +140,11 @@ def onclick(key):
return
else:
content += key
elif key == 'C':
# 清除文本框
content = ''
elif key == '=':
try:
# 对输入的表达式求值
@ -136,6 +157,7 @@ def onclick(key):
except Exception as e:
tk.messagebox.showerror('错误', f'无效表达式: {e}')
return
elif key in operation:
if content.endswith(operation):
tk.messagebox.showerror('错误', '运算符号之间不能直接连接，需要加入数值！')
@ -148,9 +170,11 @@ def onclick(key):
content = content[1:]
else:
content = '-' + content
elif key in '()':
# 直接在内容后面追加括号
content += key
elif key == '√':
# 从 . 处分割存入 n，n 是一个列表
n = content.split('.')
@ -160,13 +184,15 @@ def onclick(key):
else:
tk.messagebox.showerror('错误', '在实数范围内，负数不能算数平方根！')
return
elif key == 'eˣ':
# 添加常数e的x次方
#content = exp(eval(content))
# 添加常数e的x次方,content = exp(eval(content))
content += 'e**'
elif key == '⌫':
# 删除最后一个字符
content = content[:-1]
elif key == 'x²':
# 计算平方
try:
@ -174,6 +200,7 @@ def onclick(key):
except Exception as e:
tk.messagebox.showerror('错误', f'无效表达式: {e}')
return
elif key == 'x³':
# 计算立方
try:
@ -181,6 +208,7 @@ def onclick(key):
except Exception as e:
tk.messagebox.showerror('错误', f'无效表达式: {e}')
return
elif key == 'x!':
# 计算阶乘
try:
@ -195,31 +223,43 @@ def onclick(key):
except Exception as e:
tk.messagebox.showerror('错误', f'无效的表达式: {e}')
return
elif key == 'π':
# 添加常数π
content += 'π'
elif key == 'sin':
#content = sin(eval(content))
# 计算sin值,content = sin(eval(content))
content += 'sin('
elif key == 'cos':
#content = cos(eval(content))
# 计算cos值,content = cos(eval(content))
content += 'cos('
elif key == 'tan':
#content = tan(eval(content))
# 计算tan值,content = tan(eval(content))
content += 'tan('
elif key == 'lg':
#content = log10(eval(content))
# 计算常数对数lg的值,content = log10(eval(content))
content += 'log10('
elif key == 'ln':
#content = log(eval(content))
# 计算自然对数ln的值,content = log(eval(content))
content += 'log('
elif key == 'rad':
# 当输入数字到三角函数运算时，默认为弧度制。
content = str(eval(content)) + ' rad'
# 将结果显示到文本框中
content_var.set(content)
# 运行主循环
window.mainloop()
# 2 + 9 * ((3*12) - 8) // 10 = 27
# 3 * 4 ** 2 // 8 % 7 = 6
# 3 + 5 % 6 * 2 // 8 = 4

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