configparser 练习

[kaixin]
xxx = 333
name = hah
heh = 0

[erick]
age = 123555
xxx = ooo555
name = hah555

 1 import configparser

 con = configparser.ConfigParser()
 con.read("ini",encoding='utf-8')
 # 所有节点
 result = con.sections()
 #print(result)
 # 所有键
 ret = con.options('kaixin')
 #print(ret)
 # 所有键值对
 items = con.items('kaixin')
 #print(items)
 # 获取节点下指定键的值
 # v= con.get('kaixin','age')
 # k =con.getint('kaixin','age')
 # r =con.getfloat('kaixin','age')
 # b = con.getboolean('kaixin','heh')
 # #print(v,k,r,b)
 #检查是否存在节点
 has_sec = con.has_section('kaixin')
 #print(has_sec)
 # 添加节点
 # con.add_section('SET1')
 # con.write(open('ini','w'))
 # 删除节点
 # con.remove_section('SET1')
 # con.write(open('ini','w'))
 # 检查是否存在相应的键
 # has_opt = con.has_option('kaixin','age')
 #print(has_opt)
 # 删除键值对
 # con.remove_option('kaixin','age')
 # con.write(open('ini','w'))

 #设置键值对
 con.set('kaixin','xxx','')
 con.write(open('ini','w'))