[雪峰磁针石博客]python GUI作业：tkinter控件改变背景色
python测试开发项目实战-目录 python工具书籍下载-持续更新 python 3.7极速入门教程 - 目录 要求 使用tkinter生成如下窗口： 在右上角文本框输入名字，在旁边的下拉框选择数字，点击"Click Me!", "Click Me!"的文本将改变成如下： 可以选择"Unchecked"和"Enabled"的其中一个。 点击Blue、Gold、Red其中的一个，将会改变背景为对应的颜色。 最下面的文本框可以输入文本，当列数超出范围时，可以通过滚动条操作。 参考资料 本文最新版本地址 本文涉及的python测试开发库 谢谢点赞！ 本文相关海量书籍下载 python工具书籍下载-持续更新 python GUI工具书籍下载-持续更新 参考代码 #!/usr/bin/python3 # -*- coding: utf-8 -*- # 技术支持：https://www.jianshu.com/u/69f40328d4f0 # 技术支持 https://china-testing.github.io/ # https://github.com/china-testing/python-api-tesing/blob/master/practices/tk/tk1.py # 项目实战讨论QQ群630011153 144081101 # CreateDate: 2018-11-27 import tkinter as tk from tkinter import ttk from tkinter import scrolledtext win = tk.Tk() # Add a title win.title("Python GUI") # Modify adding a Label a_label = ttk.Label(win, text="A Label") a_label.grid(column=0, row=0) # Modified Button Click Function def click_me(): action.configure(text='Hello ' + name.get() + ' ' + number_chosen.get()) # Changing our Label ttk.Label(win, text="Enter a name:").grid(column=0, row=0) # Adding a Textbox Entry widget name = tk.StringVar() name_entered = ttk.Entry(win, width=12, textvariable=name) name_entered.grid(column=0, row=1) # Adding a Button action = ttk.Button(win, text="Click Me!", command=click_me) action.grid(column=2, row=1) # <= change column to 2 # Creating three checkbuttons ttk.Label(win, text="Choose a number:").grid(column=1, row=0) number = tk.StringVar() number_chosen = ttk.Combobox(win, width=12, textvariable=number, state='readonly') number_chosen['values'] = (1, 2, 4, 42, 100) number_chosen.grid(column=1, row=1) number_chosen.current(3) chVarDis = tk.IntVar() check1 = tk.Checkbutton(win, text="Disabled", variable=chVarDis, state='disabled') check1.select() check1.grid(column=0, row=4, sticky=tk.W) chVarUn = tk.IntVar() check2 = tk.Checkbutton(win, text="UnChecked", variable=chVarUn) check2.deselect() check2.grid(column=1, row=4, sticky=tk.W) chVarEn = tk.IntVar() check3 = tk.Checkbutton(win, text="Enabled", variable=chVarEn) check3.deselect() check3.grid(column=2, row=4, sticky=tk.W) # GUI Callback function def checkCallback(*ignoredArgs): # only enable one checkbutton if chVarUn.get(): check3.configure(state='disabled') else: check3.configure(state='normal') if chVarEn.get(): check2.configure(state='disabled') else: check2.configure(state='normal') # trace the state of the two checkbuttons chVarUn.trace('w', lambda unused0, unused1, unused2 : checkCallback()) chVarEn.trace('w', lambda unused0, unused1, unused2 : checkCallback()) # First, we change our Radiobutton global variables into a list colors = ["Blue", "Gold", "Red"] # We have also changed the callback function to be zero-based, using the list # instead of module-level global variables # Radiobutton Callback def radCall(): radSel=radVar.get() win.configure(background=colors[radSel]) # create three Radiobuttons using one variable radVar = tk.IntVar() # Next we are selecting a non-existing index value for radVar radVar.set(99) # Now we are creating all three Radiobutton widgets within one loop for col in range(3): curRad = tk.Radiobutton(win, text=colors[col], variable=radVar, value=col, command=radCall) curRad.grid(column=col, row=5, sticky=tk.W) # Using a scrolled Text control scr = scrolledtext.ScrolledText(win, width=30, height=3, wrap=tk.WORD) scr.grid(column=0, columnspan=3) name_entered.focus() # Place cursor into name Entry #====================== # Start GUI #====================== win.mainloop()
