PYTHON文件操作

Posted 2022-05-06 heyue13

# 文件的操作
# 打开
# open(文件地址,操作形式)
‘‘‘
w:写入
r:读取
b:二进制
a:追加
‘‘‘
fb=open("C:/Users/Administrator/Desktop/11.txt","r") #\需转译成\\，或改成/
# 读取全部
date = fb.read()
# 读取行
line = fb.readline()
# 文件的关闭
fb.close()
# 文件的写入
aa="一起学python"
fb2 = open("C:/Users/Administrator/Desktop/112.txt","w")
fb2.write(aa)
fb2.close()
# w会替换掉以前的内容
bb="一起学好python"
fb2 = open("C:/Users/Administrator/Desktop/112.txt","w")
fb2.write(bb)
fb2.close()
# w会替换掉以前的内容
cc="一起学好python"
fb2 = open("C:/Users/Administrator/Desktop/112.txt","a")
fb2.write(cc)
fb2.close()