- Python 以只读方式打开一段文本
helloFile = open('./hello')
- read方法读取整个文本,返回一个string
helloContent = helloFile.read()
print(helloContent)
- readlines读取文本的各行,返回一个list
lines = helloFile.readlines()
print(lines)
- 遍历文件的各行
for line in helloFile:
print(line)
- 更好的读取方式
with open('io.py') as f:
for line in f:
line = line.strip()
print(line)
- 写文件
tmpFile = open('bacon.txt', 'w')
tmpFile.write("hello world!\n")
- 关闭文件
helloFile.close()
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