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6 months ago
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
# 初始化全局变量
root = tk.Tk()
root.title("智能家居系统-环境监测数据展示")
# 数据结构和全局变量
data_records = []
plot_window = None
figure = None
canvas = None
axs = None
# 函数定义
def setup_ui():
"""UI设置"""
root.geometry("800x600")
def simulate_data():
"""数据模拟"""
global temperature, humidity, light_intensity, pm2_5
temperature = random.uniform(-15, 45)
humidity = random.uniform(0, 100)
light_intensity = random.randint(100, 1000)
pm2_5 = random.uniform(0, 300) # 假定PM2.5浓度范围
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():
"""定时更新数据"""
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():
"""显示图表窗口更新图表以包含PM2.5"""
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():
"""更新图表包含PM2.5图"""
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()
# 设置matplotlib字体
plt.rcParams['font.sans-serif'] = ['SimHei']
plt.rcParams['axes.unicode_minus'] = False
# UI组件初始化添加PM2.5列
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="查看走势图", command=show_plot_window)
plot_button.pack(pady=10)
setup_ui()
def get_pm2_5_level(pm2_5_value):
"""根据PM2.5值返回其等级标签"""
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)"
# 主循环启动
update_data_and_display()
root.mainloop()