python(8) 自己制造异常让程序退出,把print的内容写入到文件

时间:2023-03-10 00:08:52
python(8) 自己制造异常让程序退出,把print的内容写入到文件

异常

也可以自己输出异常原因:

raise Exception("404 404 404")

 import math
import time #print 到文件的代码****************
import sys
origin = sys.stdout
f = open('file.txt','w')
sys.stdout = f
#***************************** def info():
print ""
print ""
print "sdfasdfas"
i = 2
if i == 2: #自己制造的异常,自动退出
raise
if __name__ == "__main__":
info()
newtime = time.strftime('%Y-%m-%d',time.localtime(time.time()))
print newtime
print "asdfasdfas" #结束代码*************
sys.stdout = origin
f.close()
#******************

运行结果:自己定义的异常 自动结束

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alt="" />

输入内容:由此说明,print 一下写入一下,而不是最后一块写入(注:抛出的异常不会写到file.txt中)

aaarticlea/png;base64,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" alt="" />