yml文件的更新后工具类：
import os
import yaml class YamlUtils():
def __init__(self,folder_name='config'):
self.foler_name = folder_name def get_yaml_load(self, file_name):
yaml_filename = self.__get_yaml_file(file_name)
f = open(yaml_filename, encoding='utf-8')
yaml_load = yaml.full_load(f)
return yaml_loaddef __get_yaml_file(self, file_name):
"""
:param file_name: the filename of the configfile
:return: the objection of the config
"""
try:
yaml_file = self.__get_file_path(self.foler_name, file_name)
return yaml_file
except Exception as e:
print("read config file error:" + str(e)) @staticmethod
def __get_file_path(folder_name, file_name):
"""
:param folder_name: the directory of the config ，the default directory is config
:param file_name: the filename of the configfile
:return: the objection of the config
"""
try:
config_path = os.path.abspath('..')
folder_path = os.path.join(config_path, folder_name)
file_path = os.path.join(folder_path, file_name)
return file_path
except Exception as e:
print('read config file failed ' + str(e))
def set_yaml(self, file_name,content):
"""
调用此方法时，需新建一个YamlUtils().set_yaml(file_name,content)
用原来的设置不会生效
default_flow_style=False : 表示dump后的字典数据全部以yml格式显示,默认为为True
sort_keys=False : 表示dump后的字典数据按原有的顺序示，为True时按字母的排序展示，默认为为True
"""
yaml_filename = self.__get_yaml_file(file_name)
f = open(yaml_filename,'w', encoding='utf-8')
yaml_dump = yaml.dump(content,f,allow_unicode=True, default_flow_style=False,sort_keys=False)
# print("数据更新完成")
return yaml_dump
yml文件原有数据顺序：
更改字段值后的顺序：
出现原因是：
yaml.dump(content,f,allow_unicode=True, default_flow_style=False,sort_keys=True)
该行的代码中sort_keys的默认值为True，改为Flase后可修复代顺序变化的问题