import tkinter as tk from tkinter import ttk from tkinter import Toplevel import random import matplotlib.pyplot as plt from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg def setup_ui(): root.geometry("800x600") def simulate_data(): global temperature, humidity, light_intensity, pm2_5 temperature = random.uniform(-15, 45) humidity = random.uniform(0, 100) light_intensity = random.randint(100, 5000) pm2_5 = random.uniform(0, 300) data_records.append({ "序号": len(data_records) + 1, "温度": temperature, "湿度": humidity, "光照强度": light_intensity, "PM2.5": pm2_5 }) update_treeview() if plot_window and figure and canvas: update_plots() def update_treeview(): """更新表格视图,包含PM2.5列及其等级""" treeview.delete(*treeview.get_children()) for record in data_records: pm2_5_level_tag = get_pm2_5_level(record["PM2.5"]) treeview.insert("", tk.END, values=( record["序号"], f"{record['温度']:.2f} °C", f"{record['湿度']:.2f}%", f"{record['光照强度']} lux", f"{record['PM2.5']:.2f} µg/m³{pm2_5_level_tag}" )) def update_data_and_display(): simulate_data() root.after(5000, update_data_and_display) def on_plot_window_close(): """图表窗口关闭事件处理""" global plot_window plot_window.destroy() plot_window = None def show_plot_window(): global plot_window, figure, axs, canvas if not plot_window: plot_window = Toplevel(root) plot_window.protocol("WM_DELETE_WINDOW", on_plot_window_close) plot_window.title("智能家居系统-环境数据走势图") figure, axs = plt.subplots(4, 1, figsize=(6, 10), sharex=True) figure.suptitle('智能家居系统-环境数据走势图') keys = ["温度", "湿度", "光照强度", "PM2.5"] for i, key in enumerate(keys): axs[i].set_title(f'{key}变化') axs[i].plot([r['序号'] for r in data_records], [r[key] for r in data_records], label=key) axs[i].legend() axs[i].grid(True) canvas = FigureCanvasTkAgg(figure, master=plot_window) canvas.draw() canvas.get_tk_widget().pack(side=tk.TOP, fill=tk.BOTH, expand=1) def update_plots(): for ax, key in zip(axs, ["温度", "湿度", "光照强度", "PM2.5"]): ax.clear() ax.plot([r['序号'] for r in data_records], [r[key] for r in data_records], label=key) ax.set_title(f'{key}变化') ax.legend() ax.grid(True) canvas.draw_idle() def get_pm2_5_level(pm2_5_value): if 0 <= pm2_5_value <= 35: return "(优)" elif 35 < pm2_5_value <= 75: return "(良)" elif 75 < pm2_5_value <= 115: return "(轻度污染)" elif 115 < pm2_5_value <= 150: return "(中度污染)" elif 150 < pm2_5_value <= 250: return "(重度污染)" else: return "(严重污染)" plt.rcParams['font.sans-serif'] = ['SimHei'] plt.rcParams['axes.unicode_minus'] = False def aaa(): global root,data_records ,plot_window,figure,cnvasa ,axs root = tk.Tk() root.title("智能家居系统-环境监测数据展示") data_records = [] plot_window = None figure = None cnvasa = None axs = None # UI组件初始化,添加PM2.5列 global treeview treeview = ttk.Treeview(root, columns=("序号", "温度", "湿度", "光照强度", "PM2.5"), show="headings") treeview.column("序号", width=50, anchor=tk.CENTER) treeview.column("温度", width=100, anchor=tk.CENTER) treeview.column("湿度", width=100, anchor=tk.CENTER) treeview.column("光照强度", width=120, anchor=tk.CENTER) treeview.column("PM2.5", width=100, anchor=tk.CENTER) treeview.heading("序号", text="序号") treeview.heading("温度", text="温度") treeview.heading("湿度", text="湿度") treeview.heading("光照强度", text="光照强度") treeview.heading("PM2.5", text="PM2.5") treeview.pack(expand=True, fill=tk.BOTH, padx=10, pady=10) plot_button = ttk.Button(root, text="监测走势图", command=show_plot_window) plot_button.pack(pady=10) plot_button = ttk.Button(root, text="返回", command=root.destroy) plot_button.pack(pady=10) setup_ui() update_data_and_display() root.mainloop() if __name__ == "__main__": aaa()