Python文件操作知识点全解

床前明月光，疑是地上霜
举头望明月，低头思故乡

f = open('libai',encoding = 'utf-8')
print(f.read())

床前明月光，疑是地上霜
举头望明月，低头思故乡

f = open('libai',encoding = 'utf-8')
print(f.readline())

床前明月光，疑是地上霜

f = open('libai',encoding = 'utf-8')
print(f.readlines())
['床前明月光，疑是地上霜\n', '举头望明月，低头思故乡']

f = open('libai',encoding='utf-8')
data = f.read()     #默认光标在起始的位置，read()读取完后，光标停留到文件末尾
data2 = f.read()    #data2读取的内容为空
print(data)
print(data2)
f.close()          #关闭文件

文件

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