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【python】读取cfg/ini/txt配置文件

1.config.cfg文件内容：

现需读取config.cfg里的host内容：

 1 # @Time    : 2021/9/4 20:21
 3 # @File    : readCfg.py
 4 import os
 5 
 6 from configparser import ConfigParser
 7 import os
 8 
 9 class ReadCfg():
10     def __init__(self):
11         pass
12 
13     def getPath(self):
14         #获取当前目录
15         current_dir = os.path.abspath('')
16         #获取上一级目录
17         filePath = os.path.dirname(current_dir)
18         #再获取上一级目录
19         lastFilePath = os.path.dirname(filePath)
20         #拼接配置文件的路径
21         cfgPath =os.path.join(lastFilePath,'conf','config.cfg')
22         print(cfgPath)
23         return cfgPath
24     #默认获取主机的地址
25     def readCfg(self,section='hostname',option = 'host'):
26         #拼接配置文件的路径
27         con = ConfigParser()
28         con.read(self.getPath(),'utf-8')
29         res = con.get(section,option)
30         return res
31 
32 if __name__ == '__main__':
33     readCfg = ReadCfg()

2.readIni.ini

1 [hostname]
2 host = http://127.0.0.1:8088
3 
4 [login]
5 username = test
6 password = 123456

读取ini文件的源码为：

 1 # @Time    : 2021/9/4 20:21
 2 # @Author  : '宫雪侠'
 3 # @File    : readCfg.py
 4 import os
 5 
 6 from configparser import ConfigParser
 7 import os
 8 
 9 class Readini():
10     def __init__(self):
11         # 获取当前目录
12         current_dir = os.path.abspath('')
13         # 获取上一级目录
14         filePath = os.path.dirname(current_dir)
15         # 再获取上一级目录
16         lastFilePath = os.path.dirname(filePath)
17         # 拼接配置文件的路径
18         self.iniPath = os.path.join(lastFilePath, 'conf', 'readini.ini')
19 
20     #默认获取主机的地址
21     def readCfg(self,section='hostname',option = 'host'):
22         #拼接配置文件的路径
23         con = ConfigParser()
24         con.read(self.iniPath,'utf-8')
25         res = con.get(section,option)
26         return res
27 
28     #默认获取主机的地址
29     def getItems(self,section = 'login'):
30         #拼接配置文件的路径
31         con = ConfigParser()
32         con.read(self.iniPath,'utf-8')
33         res = con.items(section)
34         return dict(res)
35 
36 if __name__ == '__main__':
37     readCfg = Readini().getItems()

读取txt文件源码：

# @Time    : 2021/9/6 15:23
# @Author  : '宫雪侠'
# @File    : readTxt.py
import os

class ReadTxt():
    def __init__(self):
        # 再获取上一级目录
        lastFilePath = os.path.dirname(os.path.abspath(''))
        # 拼接配置文件的路径
        self.txtPath = os.path.join(lastFilePath, 'conf', 'text.txt')
        pass
    def readAllTxt(self):
        with open(self.txtPath,'r',encoding='utf-8') as f:
            text = f.read()
            return text

    def readoneLine(self):
        with open(self.txtPath,'r',encoding='utf-8') as f:            # #读取一行
            text1 = f.readline()
            return text1

    def readLimtSize(self,size):
        with open(self.txtPath,'r',encoding='utf-8') as f:
            text1 = f.readline(size)
            return text1

    def witeTxt(self):
        with open(self.txtPath,'w',encoding='utf-8') as f:
            f.write('我是中国人')
    #追加
    def appendTxt(self):
        with open(self.txtPath,'a',encoding='utf-8') as f:
            f.write('我是中国人
')

if __name__ == '__main__':
    readTxt = ReadTxt()
    readTxt.appendTxt()

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原文地址：https://www.cnblogs.com/chooperman/p/15233142.html