Python同时输出到屏幕和文件(Logger)
import sys import os class Logger(object): def __init__(self, filename="log.txt"): self.terminal = sys.stdout self.log = open(filename, "a") def write(self, message): self.terminal.write(message) self.log.write(message) self.log.flush() #缓冲区的内容及时更新到log文件中 def flush(self): pass path = os.path.abspath(os.path.dirname(__file__)) type = sys.getfilesystemencoding() sys.stdout = Logger() #之后用print输出的就既在屏幕上，又在log文件里 print(453453) print(path) print(type)def flush 不能省