Update .gitignore and add files

back/blueprints/temperature.py

@@ -0,0 +1,70 @@
+from flask import Blueprint, jsonify, request, g
+import sqlite3
+from datetime import datetime, timedelta
+
+bp = Blueprint('temperature', __name__, url_prefix='/temperature')
+
+# 数据库连接函数 - 新增
+def get_db():
+    """获取数据库连接"""
+    if 'db' not in g:
+        g.db = sqlite3.connect(
+            'agriculture.db',  # 数据库文件名，请根据实际情况修改
+            detect_types=sqlite3.PARSE_DECLTYPES
+        )
+        g.db.row_factory = sqlite3.Row  # 使结果可以通过列名访问
+    return g.db
+
+# 关闭数据库连接函数 - 新增
+def close_db(e=None):
+    """在请求结束时关闭数据库连接"""
+    db = g.pop('db', None)
+    if db is not None:
+        db.close()
+
+# 其他API保持不变...
+
+@bp.route('/daily/average', methods=['GET'])
+def get_daily_average_temperature():
+    try:
+        device_id = request.args.get('deviceId', type=int)
+        date = request.args.get('date')
+
+        if not device_id or not date:
+            return jsonify({"success": False, "message": "缺少设备ID或日期参数"}), 400
+
+        # 优化日期格式处理
+        start_date = f"{date} 00:00:00"
+        end_date = f"{date} 23:59:59"
+
+        db = get_db()  # 使用正确的数据库连接函数
+        query = '''
+        SELECT 
+            AVG(temperature) as avg_temperature,
+            DATE(timestamp) as date
+        FROM temperature_data
+        WHERE device_id = ? 
+          AND timestamp BETWEEN ? AND ?
+        GROUP BY DATE(timestamp)
+        '''
+        result = db.execute(query, (device_id, start_date, end_date)).fetchone()
+
+        if not result or result['avg_temperature'] is None:
+            return jsonify({"success": False, "message": "未找到指定日期的温度数据"}), 404
+
+        response_data = {
+            "code": 200,
+            "data": {
+                "temperatures": [float(result['avg_temperature'])],
+                "dates": [result['date']]
+            }
+        }
+
+        return jsonify(response_data)
+
+    except sqlite3.OperationalError as oe:
+        return jsonify({"success": False, "message": f"数据库操作错误: {str(oe)}"}), 500
+    except sqlite3.Error as e:
+        return jsonify({"success": False, "message": f"数据库错误: {str(e)}"}), 500
+    except Exception as e:
+        return jsonify({"success": False, "message": f"服务器错误: {str(e)}"}), 500