import tkinter as tk
import tkinter.font as font
import threading
import random
import time
class Data_Display:
    def __init__(self):
        self.root = tk.Tk()
        self.root.title('數(shù)據(jù)展示')
        self.root.geometry("260x100+1100+150")
        self.font = font.Font(size=15)
        self.interface()
    def interface(self):
        """"溫度、濕度、時(shí)間標(biāo)簽"""
        temperature_label = tk.Label(self.root, text="溫度：", font=self.font)
        temperature_label.grid(row=0, column=0)
        self.get_temperature = tk.StringVar()
        temperature_label_a = tk.Label(self.root,
                                       textvariable=self.get_temperature,
                                       font=self.font)
        temperature_label_a.grid(row=0, column=1)
        temperature_label_b = tk.Label(self.root, text="℃", font=self.font)
        temperature_label_b.grid(row=0, column=2, padx=5)
        humidity_label = tk.Label(self.root, text="濕度：", font=self.font)
        humidity_label.grid(row=0, column=4)
        self.get_humidity = tk.StringVar()
        humidity_label_a = tk.Label(self.root,
                                    textvariable=self.get_humidity,
                                    font=self.font)
        humidity_label_a.grid(row=0, column=5)
        humidity_label_b = tk.Label(self.root, text="%", font=self.font)
        humidity_label_b.grid(row=0, column=6, padx=5)
        self.get_real_time = tk.StringVar()
        time_label = tk.Label(self.root,
                              textvariable=self.get_real_time,
                              font=font.Font(size=30))
        time_label.grid(row=1, column=0, padx=50, columnspan=50)
        # 啟用線程獲取溫濕度數(shù)據(jù)
        T1 = threading.Thread(name='get_temperature_and_humidity',
                              target=self.get_temperature_and_humidity,
                              daemon=True)
        T1.start()
        # 啟用線獲取當(dāng)前時(shí)間
        T2 = threading.Thread(name='get_time',
                              target=self.get_time,
                              daemon=True)
        T2.start()
    def get_temperature_and_humidity(self):
        """獲取溫濕度數(shù)據(jù)，并隔一段時(shí)間更新"""
        while True:
            # 隨機(jī)獲取溫度和濕度數(shù)據(jù)
            self.get_temperature.set(random.randint(10, 30))
            self.get_humidity.set(random.randint(10, 100))
            # 獲取時(shí)間間隔3秒
            time.sleep(3)
            # self.root.update() 來刷新窗口，使得界面能夠?qū)崟r(shí)展示最新的溫濕度數(shù)據(jù)
            self.root.update()
    def get_time(self):
        """獲取當(dāng)前時(shí)間"""
        self.get_real_time.set(time.strftime("%H:%M:%S"))
        # root.after(1000, self.get_time) 是Tkinter中的定時(shí)器方法，用于在指定的時(shí)間（毫秒）后執(zhí)行指定的函數(shù)
        # 每隔1s調(diào)用函數(shù) self.get_time 自身獲取時(shí)間
        self.root.after(1000, self.get_time)
if __name__ == '__main__':
    run = Data_Display()
    run.root.mainloop()