52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
from flask import Blueprint, request, jsonify
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import sqlite3
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from collections import defaultdict
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import traceback
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bp = Blueprint('shi2', __name__)
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def get_db_connection():
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conn = sqlite3.connect('agriculture.db')
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conn.row_factory = sqlite3.Row
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return conn
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@bp.route('/device-moisture', methods=['GET'])
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def get_device_moisture_data():
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# 固定查询2025-05-27的数据
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query_date = '2025-05-27'
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start_time = '00:00:00'
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end_time = '23:59:59'
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conn = get_db_connection()
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try:
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cur = conn.cursor()
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# 修正表名和字段名，使用temperature_data表中的实际字段
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cur.execute('''
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SELECT device_id, humidity as moisture, timestamp
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FROM temperature_data
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WHERE DATE(timestamp) = ?
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AND TIME(timestamp) BETWEEN ? AND ?
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ORDER BY device_id, timestamp
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''', (query_date, start_time, end_time))
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rows = cur.fetchall()
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# 按设备ID分组湿度数据（修正字段引用为humidity）
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device_data = defaultdict(list)
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for row in rows:
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device_id = row['device_id']
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moisture = float(row['moisture']) # 这里使用别名moisture
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device_data[device_id].append(moisture)
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if not device_data:
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return jsonify({}), 200
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return jsonify(device_data)
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except Exception as e:
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print(f"数据库查询错误: {str(e)}")
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traceback.print_exc()
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return jsonify({'error': '数据库查询失败，请检查日志'}), 500
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finally:
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conn.close() |