import tkinter as tk from tkinter import messagebox import requests # ======================== 天气查询核心 ======================== def query_weather(city): """ 调用 wttr.in 免费天气 API，返回解析后的天气数据字典。 若失败则抛出异常。 """ url = f"https://wttr.in/{city}?format=j1&lang=zh" headers = {"User-Agent": "WeatherApp/1.0"} resp = requests.get(url, headers=headers, timeout=10) resp.raise_for_status() data = resp.json() # 当前天气 current = data["current_condition"][0] current_weather = { "city": data["nearest_area"][0]["areaName"][0]["value"], "temp": current["temp_C"], "feels_like": current["FeelsLikeC"], "desc": current["lang_zh"][0]["value"] if "lang_zh" in current else current["weatherDesc"][0]["value"], "humidity": current["humidity"], "wind_speed": current["windspeedKmph"], "wind_dir": current["winddir16Point"], "visibility": current["visibility"], "uv_index": current["uvIndex"], } # 未来预报 forecast_list = [] for day in data.get("weather", [])[:3]: forecast_list.append({ "date": day["date"], "max_temp": day["maxtempC"], "min_temp": day["mintempC"], "desc": day["hourly"][4]["lang_zh"][0]["value"] if "lang_zh" in day["hourly"][4] else day["hourly"][4]["weatherDesc"][0]["value"], "sunrise": day["astronomy"][0]["sunrise"], "sunset": day["astronomy"][0]["sunset"], }) return {"current": current_weather, "forecast": forecast_list} # ======================== 天气图标映射 ======================== WEATHER_ICONS = { "晴": "☀️", "晴转多云": "🌤️", "多云": "⛅", "阴": "☁️", "小雨": "🌦️", "中雨": "🌧️", "大雨": "🌧️", "暴雨": "⛈️", "雷阵雨": "⛈️", "阵雨": "🌦️", "小雪": "🌨️", "中雪": "🌨️", "大雪": "❄️", "雾": "🌫️", "霾": "😷", } def get_icon(desc): """根据天气描述返回对应 emoji""" for key, icon in WEATHER_ICONS.items(): if key in desc: return icon return "🌈" # ======================== 界面构建 ======================== class WeatherApp: def __init__(self, root): self.root = root self.root.title("🌤️ 天气查询小工具") self.root.geometry("500x680") self.root.resizable(False, False) self.root.configure(bg="#eef5ff") self._build_title() self._build_search_bar() self._build_result_area() self._build_footer() # 绑定回车键快捷查询 self.root.bind("", lambda e: self.do_query()) # ---------- 标题栏 ---------- def _build_title(self): frame = tk.Frame(self.root, bg="#3b82f6", height=65) frame.pack(fill=tk.X) frame.pack_propagate(False) tk.Label(frame, text="🌤️ 天气查询小工具", font=("微软雅黑", 20, "bold"), fg="white", bg="#3b82f6").pack(expand=True) # ---------- 搜索栏 ---------- def _build_search_bar(self): frame = tk.Frame(self.root, bg="#eef5ff") frame.pack(padx=20, pady=(15, 5), fill=tk.X) tk.Label(frame, text="城市:", font=("微软雅黑", 12), bg="#eef5ff").pack(side=tk.LEFT) self.city_var = tk.StringVar(value="北京") self.city_entry = tk.Entry(frame, textvariable=self.city_var, width=16, font=("微软雅黑", 13), justify="center", relief="solid", bd=1) self.city_entry.pack(side=tk.LEFT, padx=(5, 10), ipady=3) btn = tk.Button(frame, text="🔍 查询", font=("微软雅黑", 11, "bold"), bg="#3b82f6", fg="white", activebackground="#2563eb", relief="flat", cursor="hand2", padx=15, command=self.do_query) btn.pack(side=tk.LEFT) # ---------- 结果展示区 ---------- def _build_result_area(self): self.result_frame = tk.Frame(self.root, bg="#eef5ff") self.result_frame.pack(padx=20, pady=10, fill=tk.BOTH, expand=True) # 当前天气卡片 self.current_card = tk.LabelFrame(self.result_frame, text=" 📍 当前天气 ", font=("微软雅黑", 11, "bold"), bg="#fffbeb", fg="#d97706", padx=15, pady=12) self.current_card.pack(fill=tk.X, pady=(0, 8)) self.current_label = tk.Label(self.current_card, text="输入城市后点击查询", font=("微软雅黑", 11), bg="#fffbeb", fg="#666", justify="left", wraplength=420) self.current_label.pack(anchor="w") # 未来预报卡片 self.forecast_card = tk.LabelFrame(self.result_frame, text=" 📅 未来 3 天预报 ", font=("微软雅黑", 11, "bold"), bg="#ecfdf5", fg="#059669", padx=15, pady=12) self.forecast_card.pack(fill=tk.X, pady=(0, 8)) self.forecast_label = tk.Label(self.forecast_card, text="查询后在此显示预报", font=("微软雅黑", 11), bg="#ecfdf5", fg="#666", justify="left", wraplength=420) self.forecast_label.pack(anchor="w") # ---------- 底部提示 ---------- def _build_footer(self): tk.Label(self.root, text="💡 数据来源: wttr.in（免费开放） | 按 Enter 可快捷查询", font=("微软雅黑", 9), fg="#999", bg="#eef5ff").pack(side="bottom", pady=5) # ---------- 查询逻辑 ---------- def do_query(self): city = self.city_var.get().strip() if not city: messagebox.showwarning("提示", "请输入城市名称！") return # 显示加载状态 self.current_label.config(text="⏳ 正在查询，请稍候...", fg="#999") self.forecast_label.config(text="", fg="#999") self.root.update() try: data = query_weather(city) except requests.exceptions.ConnectionError: messagebox.showerror("网络错误", "无法连接天气服务器，请检查网络连接！") self.current_label.config(text="❌ 网络错误，请重试", fg="#dc2626") return except requests.exceptions.HTTPError: messagebox.showerror("查询失败", f"找不到城市「{city}」，请检查名称是否正确！") self.current_label.config(text="❌ 城市未找到，请重试", fg="#dc2626") return except Exception as e: messagebox.showerror("未知错误", f"查询出错：{e}") self.current_label.config(text="❌ 查询出错，请重试", fg="#dc2626") return # ---- 填充当前天气 ---- c = data["current"] icon = get_icon(c["desc"]) current_text = ( f"{icon} {c['city']} · {c['desc']}\n" f"━━━━━━━━━━━━━━━━━━━━━━━━━━━━\n" f"🌡️ 温度：{c['temp']}°C（体感 {c['feels_like']}°C）\n" f"💧 湿度：{c['humidity']}%\n" f"🌬️ 风速：{c['wind_speed']} km/h（{c['wind_dir']}）\n" f"👁️ 能见度：{c['visibility']} km\n" f"☀️ 紫外线指数：{c['uv_index']}" ) self.current_label.config(text=current_text, fg="#333") # ---- 填充未来预报 ---- lines = [] for i, f in enumerate(data["forecast"]): ficon = get_icon(f["desc"]) lines.append( f"{ficon} {f['date']} {f['desc']}\n" f" 最高 {f['max_temp']}°C / 最低 {f['min_temp']}°C" f" 🌅 {f['sunrise']} 🌇 {f['sunset']}" ) forecast_text = "\n\n".join(lines) self.forecast_label.config(text=forecast_text, fg="#333") # ======================== 启动 ======================== if __name__ == "__main__": root = tk.Tk() app = WeatherApp(root) root.mainloop()