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62 lines
2.7 KiB
62 lines
2.7 KiB
# -*- coding: utf-8 -*-
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import os
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import pymssql
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import pandas as pd
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from utils.apiDoc import *
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from utils.desHelper import des_decrypt
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CurrentFile = os.path.abspath(__file__)
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CurrentPath = os.path.dirname(CurrentFile)
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FatherPath = os.path.dirname(CurrentPath)
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cf = configparser.ConfigParser()
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# 出于安全性考虑，这些配置信息都存放到doc下的配置文件里。
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cf.read(os.path.join(FatherPath, './config/db.ini'))
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ms_sql_con_dict = dict(cf.items('mssql-config'))
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class HisMssqlConnect(object):
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def __init__(self):
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self.host = ms_sql_con_dict['host']
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self.user = ms_sql_con_dict['user']
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self.pwd = des_decrypt(ms_sql_con_dict['pwd']).decode('utf-8')
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self.db = ms_sql_con_dict['db']
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self.charset = ms_sql_con_dict['charset']
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def query(self, tableName, sql_str, cols=None):
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try:
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connect = pymssql.connect(host=self.host,
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user=self.user,
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password=self.pwd,
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database=self.db,
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charset=self.charset,
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)
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app.logger.info('>>> 数据库连接成功')
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try:
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sql_str = sql_str.encode('UTF-8')
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with connect.cursor() as cursor:
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sql_str_cols = F"SELECT COLUMN_NAME,DATA_TYPE FROM INFORMATION_SCHEMA.columns WHERE TABLE_NAME= " \
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F"'{tableName}'"
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cursor.execute(sql_str_cols)
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default_cols = [col[0] for col in cursor.fetchall()]
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cursor.execute(sql_str)
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res = cursor.fetchall()
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# res = []
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# for item in iter(cursor.fetchall()):
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# itemList = []
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# for i in range(len(item)):
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# if isinstance(item[i], str):
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# itemList.append(item[i].encode('latin1').decode('gbk'))
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# else:
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# itemList.append(item[i])
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# res.append(tuple(itemList))
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# res = tuple(res)
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df = pd.DataFrame(res, columns=default_cols if cols is None else cols)
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except Exception as e:
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df = pd.DataFrame()
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app.logger.info(F'>>> 查询数据失败，查询语句为：{sql_str}；\n错误信息为：{e}')
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finally:
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connect.close()
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except Exception as e:
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df = pd.DataFrame()
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app.logger.info(F'>>> 数据库连接失败，请检查配置信息是否准确。错误信息为：{format(e)}')
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return df
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