feat: 添加网页进行访问查询

app.py

@@ -0,0 +1,32 @@
+from fastapi import FastAPI, Request
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+
+from datetime import datetime
+from models.ammeter_usage import AmmeterUsageModel
+
+app = FastAPI()
+templates = Jinja2Templates(directory="templates")
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
+
+# 添加模板过滤器：时间戳转日期显示
+def format_datetime(value):
+    try:
+        return datetime.fromtimestamp(value / 1000).strftime("%Y-%m-%d %H:%M")
+    except:
+        return value
+
+
+# 🔥关键：为 Jinja2 添加过滤器
+templates.env.filters["datetime"] = format_datetime
+
+
+@app.get("/", response_class=HTMLResponse)
+async def index(request: Request):
+    data = await AmmeterUsageModel.get_recent(6462, days=30)
+    return templates.TemplateResponse(
+        "index.html",
+        {"request": request, "room_id": 6462, "data": data},
+    )

main.py

@@ -8,6 +8,7 @@ from models.ammeter_usage import AmmeterUsageModel
 from scheduler import start_scheduler
 import logging
 import warnings
+import uvicorn
 
 warnings.filterwarnings("ignore", message="Glyph .* missing from font")
 
@@ -32,8 +33,10 @@ async def main():
 
     # await SD().push()
 
-    while True:
-        await asyncio.sleep(3600)
+    # 🔥启动FastAPI Web服务
+    config = uvicorn.Config("app:app", host="0.0.0.0", port=8000, reload=True)
+    server = uvicorn.Server(config)
+    await server.serve()
 
 
 if __name__ == "__main__":

models/ammeter_usage.py

@@ -28,7 +28,6 @@ class AmmeterUsageModel:
 
     @classmethod
     async def insert(cls, data: dict):
-        print(data)
         async with get_conn() as conn:
             conn.row_factory = aiosqlite.Row
             await conn.execute(
@@ -53,3 +52,68 @@ class AmmeterUsageModel:
                 ),
             )
             await conn.commit()
+
+    @classmethod
+    async def exec(cls, sql: str, *args, **kwargs):
+        async with get_conn() as conn:
+            conn.row_factory = aiosqlite.Row
+            await conn.execute(sql, *args, **kwargs)
+            await conn.commit()
+
+    @classmethod
+    async def get_recent(cls, room_id: int, days: int = 30):
+        """查询最近N天数据"""
+        now = int(time.time() * 1000)
+        start = now - days * 24 * 60 * 60 * 1000
+
+        async with get_conn() as conn:
+            conn.row_factory = aiosqlite.Row
+            cur = await conn.execute(
+                """
+                SELECT created_at, left_ele, left_free_ele, left_money
+                FROM ammeter_usage
+                WHERE room_id = ?
+                  AND created_at >= ?
+                ORDER BY created_at ASC
+                """,
+                (room_id, start),
+            )
+            rows = await cur.fetchall()
+            return [dict(r) for r in rows]
+
+    @classmethod
+    async def get_range(cls, room_id: int, start: int, end: int):
+        """按时间区间查询"""
+        async with get_conn() as conn:
+            conn.row_factory = aiosqlite.Row
+            cur = await conn.execute(
+                """
+                SELECT *
+                FROM ammeter_usage
+                WHERE room_id = ?
+                  AND created_at BETWEEN ? AND ?
+                ORDER BY created_at ASC
+                """,
+                (room_id, start, end),
+            )
+            rows = await cur.fetchall()
+            return [dict(r) for r in rows]
+
+    @classmethod
+    async def list(cls, room_id: int, page: int = 1, limit: int = 20):
+        """分页查询，用于表格展示"""
+        offset = (page - 1) * limit
+        async with get_conn() as conn:
+            conn.row_factory = aiosqlite.Row
+            cur = await conn.execute(
+                """
+                SELECT *
+                FROM ammeter_usage
+                WHERE room_id = ?
+                ORDER BY created_at DESC
+                LIMIT ? OFFSET ?
+                """,
+                (room_id, limit, offset),
+            )
+            rows = await cur.fetchall()
+            return [dict(r) for r in rows]

services/plot.py

@@ -27,9 +27,9 @@ def plot_line(
     has_free = free_values is not None and len(free_values) > 0
 
     if has_free:
-        fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(16, 6), sharex=True)
+        fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(14, 8), sharex=True)
     else:
-        fig, ax1 = plt.subplots(1, 1, figsize=(16, 4))
+        fig, ax1 = plt.subplots(1, 1, figsize=(14, 6))
         ax2 = None
 
     # ===== 普通额度 =====

templates/index.html

@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+<html lang="zh">
+
+<head>
+    <meta charset="UTF-8" />
+    <title>房间 {{ room_id }} - 用电详情</title>
+
+    <!-- Tailwind CSS -->
+    <script src="https://cdn.tailwindcss.com"></script>
+
+    <!-- ECharts -->
+    <script src="/static/js/echarts.min.js"></script>
+
+</head>
+
+<body class="bg-gray-100 text-gray-800">
+
+    <div class="max-w-5xl mx-auto p-6 space-y-8">
+
+        <h2 class="text-2xl font-bold text-center">
+            房间 {{ room_id }} 最近用电情况
+        </h2>
+
+        <div id="eleChart" class="w-full h-80 bg-white rounded-xl shadow"></div>
+
+        <!-- 表格 -->
+        <div class="bg-white rounded-xl shadow p-6 overflow-x-auto">
+            <table class="min-w-full text-sm text-left">
+                <thead class="bg-gray-50">
+                    <tr>
+                        <th class="px-4 py-3">记录时间</th>
+                        <th class="px-4 py-3">剩余电量 (度)</th>
+                        <th class="px-4 py-3">剩余金额 (元)</th>
+                    </tr>
+                </thead>
+                <tbody>
+                    {% for i in data %}
+                    <tr class="border-t hover:bg-gray-50 transition">
+                        <td class="px-4 py-3">{{ i.created_at | datetime }}</td>
+                        <td class="px-4 py-3">{{ i.left_ele }}</td>
+                        <td class="px-4 py-3">{{ i.left_money }}</td>
+                    </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        </div>
+
+        <div class="text-center">
+            <a href="/" class="text-blue-600 hover:underline">返回首页</a>
+        </div>
+
+    </div>
+
+    <script>
+        const raw = {{ data | tojson }};
+        const labels = raw.map(i => new Date(i.created_at).toLocaleString());
+        const values = raw.map(i => i.left_ele);
+
+        const chartDom = document.getElementById('eleChart');
+        const myChart = echarts.init(chartDom);
+
+        const option = {
+            tooltip: { trigger: 'axis' },
+
+            // 🔥支持区域缩放：鼠标拖动 & 下方滑块
+            dataZoom: [
+                { type: 'inside' },  // 鼠标滚轮缩放 + 拖动
+                {
+                    type: 'slider',   // 底部滑块
+                    height: 20,
+                    bottom: 0,
+                }
+            ],
+
+            xAxis: {
+                type: 'category',
+                data: labels,
+                boundaryGap: false
+            },
+            yAxis: { type: 'value' },
+
+            series: [{
+                data: values,
+                type: 'line',
+                smooth: true,
+                areaStyle: {
+                    opacity: 0.3
+                },
+                lineStyle: { width: 2 }
+            }]
+        }
+        myChart.setOption(option);
+    </script>
+</body>
+
+</html>