'''文件操作1.打开文件：用open函数，参数为文件路径和打开方式，打开文件返回为fileObject类型
2.读取文件：read函数来处理fileObject类型文件
3.open(path,'x') x = w 是写（原文覆盖），x = r 是读 x = a 写（原文后面追加）
4.换行写入：在要写入的字符串前加/n
5：读写特定编码的文章：open(path,'r',encoding='gbk/utf-8')
6:读写一行：readline() readlines() writelines()
7:工程中出现异常，和安全性考虑：with
'''
path ='C:/Users/HouYushan/Desktop/Text2.txt'
path1 ='C:/Users/HouYushan/Desktop/Text3.txt'
# 1
file =open(path,'a')
# 2 3
file.write('嘻嘻嘻嘻')
file =open(path,'r')
print(file.read())
file =open(path,'a')
# 4
print(file.write('\njjjjj'))
file =open(path1,'w')
str_list = ['hello\n','world\n','hello hhh\n']
# 6
new_file = file.writelines(str_list)
print('new_file:',new_file)
file =open(path1,'r')
print('file.read:',file.read())
file =open(path1,'r')
print('file.readlines:',file.readlines())
path2 ='C:/Users/HouYushan/Desktop/Text4.txt'
# 7
with open(path2,'w')as f:
print('write length:',f.write('hello world'))
