从文件中读取数据
1、读取整个文件-当前路径
with open('pi_digits.txt') as file_object:
contents = file_object.read()
print(contents.rstrip())
2、文件路径-相对路径
with open('files_test\\pi_digits.txt') as file_object:
contents = file_object.read()
print(contents)
3、文件路径-绝对路径
file_path = 'E:\\files_test\\pi_digits.txt'
with open(file_path) as file_object:
contents = file_object.read()
print(contents)
4、文件读取-逐行读取
file_path = 'E:\\files_test\\pi_digits.txt'
with open(file_path) as file_object:
for line in file_object:
print(line.rstrip())
5、创建一个包含文件各行内容的列表
file_path = 'E:\\files_test\\pi_digits.txt'
with open(file_path) as file_object:
lines = file_object.readlines()
for line in lines:
print(line.rstrip())