23 lines
666 B
Python
23 lines
666 B
Python
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import json
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from sqlalchemy import text
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def tem_now(session):
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query2 = text('SELECT city_name,temperature FROM tem_now_analyse ORDER BY temperature DESC LIMIT 7')
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data = session.execute(query2).fetchall()
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x = []
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y = []
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for i in data:
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x.append(i[0])
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y.append(float(i[1]))
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dict_list = {"x": x, "y": y}
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# Serialize the list of dictionaries to JSON
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data = json.dumps(dict_list, ensure_ascii=False, indent=4)
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# 将 JSON 数据写入 JavaScript 文件
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with open('data.js', 'a', encoding='utf-8') as js_file:
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js_file.write('const Chart4_Data = ')
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js_file.write(data)
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js_file.write("\n\n")
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