使用参考：https://www.yuque.com/u1046159/erg6ec/giok20
    config.ini

    1. [mysql]
    2. host = localhost
    3. user = root
    4. password =
    5. db = sizechart_spider
    6. port = 3306
    7. charset = utf8

    readconfig.py

    1. import configparser
    2. import os
    5. class ReadConfig:
    6.     """读取配置文件类"""
    8.     def __init__(self,filepath=None):
    9.         if filepath:
    10.             configpath =filepath
    11.         else:
    12.             root_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
    13.             configpath = os.path.join(root_dir, 'config.ini')
    14.             print(configpath)
    15.         self.cf = configparser.ConfigParser()
    16.         self.cf.read(configpath, encoding="utf-8")
    18.     def get_db(self, param):
    19.         return self.cf.get('mysql', param)