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@ -12,22 +12,23 @@ window.resizable(False, False)
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# 设置窗口标题
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window.title('计算器')
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# 背景颜色
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window.config(background="blue")
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#window.config(background="BlueViolet")
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window.config(background="Blue")
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# 自动刷新字符串变量,可用 set 和 get 方法进行传值和取值
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content_var = tk.StringVar(window, '')
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# 创建单行文本框
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content_entry = tk.Entry(window, textvariable=content_var)
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content_entry = tk.Entry(window, textvariable=content_var, bd=10)
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# 设置文本框为只读
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content_entry['state'] = 'readonly'
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# 设置文本框坐标及宽高
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content_entry.place(x=20, y=10, width=300, height=30)
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content_entry.place(x=20, y=10, width=300, height=38)
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record_text = tk.Text(window, wrap=tk.WORD, height=10)
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record_text.place(x=320, y=50, width=180, height=240)
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# 按钮显示内容
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value = ['e^x','√', 'π', '%', '//','ln',
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'**','⌫', '(', ')', '/','lg',
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value = ['eˣ','π', '**', '%', '//','ln',
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'√','⌫', '(', ')', '/','lg',
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'x!','7', '8', '9', '*','tan',
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'x³','4', '5', '6', '-','cos',
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'x²','1', '2', '3', '+','sin',]
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@ -42,46 +43,60 @@ for row in range(5):
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d = value[index]
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index += 1
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if (row==1 and (col==1 or col==2 or col==3)):
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btn_digit = tk.Button(window, text=d, command=lambda x=d: onclick(x), bg="gray", fg="black")
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="gray", fg="black")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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elif (row==2 and (col==1 or col==2 or col==3)):
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btn_digit = tk.Button(window, text=d, command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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elif (row==3 and (col==1 or col==2 or col==3)):
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btn_digit = tk.Button(window, text=d, command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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elif (row==4 and (col==1 or col==2 or col==3)):
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btn_digit = tk.Button(window, text=d, command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="LightPink", fg="red")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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elif (col==5):
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="orange", fg="blue")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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else:
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btn_digit = tk.Button(window, text=d, command=lambda x=d: onclick(x), bg="DeepSkyBlue", fg="purple")
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btn_digit = tk.Button(window, text=d, font=("Helvetica", 14, "bold"),
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command=lambda x=d: onclick(x), bg="DeepSkyBlue", fg="purple")
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btn_digit.place(x=20 + col * 50, y=50 + row * 40, width=50, height=40)
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for l in range(5):
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c = value0[index0]
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index0 += 1
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if (l == 2):
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btn_digit = tk.Button(window, text=c, command=lambda x=c: onclick(x), bg="LightPink", fg="red")
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btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
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command=lambda x=c: onclick(x), bg="LightPink", fg="red")
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btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
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elif (l == 0):
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btn_digit = tk.Button(window, text=c, command=lambda x=c: onclick(x), bg="SpringGreen", fg="red")
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btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
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command=lambda x=c: onclick(x), bg="SpringGreen", fg="red")
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btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
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elif (l == 1):
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btn_digit = tk.Button(window, text=c, command=lambda x=c: onclick(x), bg="yellow", fg="red")
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btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
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command=lambda x=c: onclick(x), bg="yellow", fg="red")
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btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
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elif (l == 3):
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btn_digit = tk.Button(window, text=c, command=lambda x=c: onclick(x), bg="SkyBlue", fg="red")
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btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
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command=lambda x=c: onclick(x), bg="SkyBlue", fg="red")
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btn_digit.place(x=20 + l * 50, y=250, width=50, height=40)
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else:
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btn_digit = tk.Button(window, text=c, command=lambda x=c: onclick(x), bg="LightCoral", fg="black")
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btn_digit = tk.Button(window, text=c, font=("Helvetica", 14, "bold"),
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command=lambda x=c: onclick(x), bg="LightCoral", fg="black")
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btn_digit.place(x=220, y=250, width=100, height=40)
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lab_text_record = tk.Label(window, text='历史记录', font=("Helvetica", 14, "bold"), bg="white", fg="black")
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lab_text_record.place(x=320, y=10, width=180, height=40)
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# 添加清除历史记录按钮
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btn_clear_record = tk.Button(window, text='清除记录', command=lambda: record_text.delete(1.0, tk.END), bg="white", fg="black")
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btn_clear_record = tk.Button(window, text='清除记录', font=("Helvetica", 14, "bold"),
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command=lambda: record_text.delete(1.0, tk.END), bg="white", fg="black")
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btn_clear_record.place(x=320, y=250, width=180, height=40)
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# 点击事件
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@ -145,9 +160,10 @@ def onclick(key):
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else:
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tk.messagebox.showerror('错误', '在实数范围内,负数不能算数平方根!')
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return
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elif key == 'e^x':
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elif key == 'eˣ':
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# 添加常数e的x次方
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content = exp(eval(content))
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#content = exp(eval(content))
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content += 'e**'
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elif key == '⌫':
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# 删除最后一个字符
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content = content[:-1]
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@ -183,15 +199,20 @@ def onclick(key):
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# 添加常数π
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content += 'π'
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elif key == 'sin':
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content = sin(eval(content))
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#content = sin(eval(content))
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content += 'sin('
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elif key == 'cos':
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content = cos(eval(content))
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#content = cos(eval(content))
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content += 'cos('
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elif key == 'tan':
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content = tan(eval(content))
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#content = tan(eval(content))
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content += 'tan('
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elif key == 'lg':
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content = log10(eval(content))
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#content = log10(eval(content))
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content += 'log10('
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elif key == 'ln':
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content = log(eval(content))
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#content = log(eval(content))
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content += 'log('
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elif key == 'rad':
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content = str(eval(content)) + ' rad'
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@ -201,5 +222,4 @@ def onclick(key):
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# 运行主循环
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window.mainloop()
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# 2 + 9 * ((3*12) - 8) // 10 =
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# 2 + 9 * ((3*12) - 8) // 10 = 27
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