URLError#

import urllib.request
import urllib.parse
import urllib.error

url='http://www.maodan.com/'#沒(méi)有這個(gè)域名的情況下，鏈接服務(wù)器不成功#

try:
response=urllib.request.urlopen(url)
print(response)
except Exception as e:#Exception可以精確捕獲任何的異常#
print(e)

———————————————————————————————————————

URLError#

import urllib.request
import urllib.parse
import urllib.error

url='http://www.maodan.com/'#沒(méi)有這個(gè)域名的情況下#

try:
response=urllib.request.urlopen(url)
print(response)
except urllib.error.URLError as e:#urllib.error.URLError也可以精確捕獲任何的異常#
print(e)

———————————————————————————————————————

URLError#

HTTPError#

import urllib.request
import urllib.parse
import urllib.error

url='https://bbs.csdn.net/topics/39231478'#URL輸入性錯(cuò)誤#

try:
response=urllib.request.urlopen(url)
print(response)
except urllib.error.HTTPError as e:#HTTPError屬于URLError的子項(xiàng)#
print(e)
print(e.code)#HTTP的狀態(tài)碼#
except urllib.error.URLError as e:
print(e)