Tkinter: get value from entry with button and store in variable答案

【问题标题】：Tkinter: get value from entry with button and store in variableTkinter: get value from entry with button and store in variable
【发布时间】：2022-12-02 07:49:15
【问题描述】：

Say that we have an entry_object, a button button_object and a global variable called score.

I want to update the score when the button is clicked and the entry has a value. I tried looking at this answer but I need something slightly different. The main difference is the storing of the value in a variable.

I have a function to generate the elements:

def generate_gui():
    root = tk.Tk()
    root.geometry('900x700+50+50')
    entry_object = tk.Entry(root, width=40)
    entry_object.pack()
    button_object = tk.Button(root, text='submit')
    button_object.pack()
    return root, entry_object, button_object

I now want to update score with `entry_object.get()' when the button is clicked.

generate_gui()
while accumulated_score < 10:
    for player in players:
        ** #### pseudocode: if button_object clicked then player.accumulated_score += score#### **

How do I replace the pseudocode with the right code? Please help :)

【问题讨论】：

Research for tk.StringVar or IntVar and use the option of text variable. In addition, for GUI code you usually don't use a while loop, since the event loop is driven.
You mention several player objects but don't have any player objects in the code you posted. Also, you don't have any sort of widget for displaying a score.

标签： python tkinter

【解决方案1】：

#If score is a global variable then:

score = 0
root = tk.Tk()
root.geometry('900x700+50+50')
entry_object = tk.Entry(root, width=40)
entry_object.pack()

def increment():
    global score
    score += 1

button_object = tk.Button(root, text='submit', command=increment() )
root.mainloop()

#If it's an atribute from an object "player" then:

root = tk.Tk()
root.geometry('900x700+50+50')
entry_object = tk.Entry(root, width=40)
entry_object.pack()

def increment():
   for player in players:
       if player.accumulated_score <= 10:
            player.accumulated_score += score
button_object = tk.Button(root, text='submit', command=increment() )
root.mainloop()

【讨论】：