import Exception
# except 在捕獲錯(cuò)誤異常的時(shí)候 是要根據(jù)具體的錯(cuò)誤類型來(lái)捕獲的
# 用一個(gè)塊 可以捕獲多個(gè)不同類型的異常
# EXception 可以捕獲所有異常 當(dāng)對(duì)出現(xiàn)的問(wèn)題或者錯(cuò)誤不確定的情況下 可以使用此種
print(dir(Exception))
try:
 # print(b)  #捕獲邏輯的代碼
 li=[1,2,3,4]
 print(li[10])
 pass
except NameError as msg:
 # 捕獲到的錯(cuò)誤 才會(huì)在這里執(zhí)行
 print(msg)
 pass
except IndexError as msg:
 print(msg)
print('初次接觸異常')
print('HAHAHAHAHHAHAHAH')

try:
 # print(b)  #捕獲邏輯的代碼
 # li=[1,2,3,4]
 # print(li[10])
 a=10/0
 pass
except NameError as msg:
 # 捕獲到的錯(cuò)誤 才會(huì)在這里執(zhí)行
 print(msg)
 pass
except IndexError as msg:
 print(msg)
 pass
except ZeroDivisionError as msg:
 print(msg)
print('初次接觸異常')
print('HAHAHAHAHHAHAHAH')

try:
 print(b)  #捕獲邏輯的代碼
 # li=[1,2,3,4]
 # print(li[10])
 # a=10/0
 pass
# except NameError as msg:
#  # 捕獲到的錯(cuò)誤 才會(huì)在這里執(zhí)行
#  print(msg)
#  pass
# except IndexError as msg:
#  print(msg)
#  pass
# except ZeroDivisionError as msg:
#  print(msg)
#  pass
except Exception as msg:
 print(msg)
 pass
print('初次接觸異常')
print('HAHAHAHAHHAHAHAH')

def A(s):
 return 10/int(s)
 pass
def B(s):
 return A(s)*2
def main():
 try:
  B('0')
  pass
 except Exception as msg:
  print(msg)
  pass
 pass
main()
# 不需要在每個(gè)可能出錯(cuò)的地方去捕獲,只要在合適的層次去捕獲錯(cuò)誤就可以了 這樣的話 就大大減少我們寫(xiě)try----exception的麻煩
# 異常的拋出機(jī)制
#如果在運(yùn)行時(shí)發(fā)生異常 解釋器會(huì)查找相應(yīng)的異常捕獲類型
#如果在當(dāng)前函數(shù)里面沒(méi)有找到的話 它會(huì)將異常傳遞給上層的調(diào)用函數(shù)
#如果在最外層 沒(méi)有找到的話 解釋器就會(huì)退出 程序down掉

class ToolongmyException(Exception): #自定義異常
 def __init__(self,leng):
  '''
:param leng:長(zhǎng)度
  '''
  self.len=leng
 pass
 def __str__(self):
  return '您輸入的數(shù)據(jù)長(zhǎng)度是'+str(self.len)+'已經(jīng)超過(guò)長(zhǎng)度了'
 pass
def name_Test():
 name=input('請(qǐng)輸入姓名：')
 if len(name)>5:
  raise ToolongmyException(len(name))#拋出異常
 else:
  print(name)
  pass
 pass
name_Test()

class ToolongmyException(Exception): #自定義異常
 def __init__(self,leng):
  '''
:param leng:長(zhǎng)度
  '''
  self.len=leng
 pass
 def __str__(self):
  return '您輸入的數(shù)據(jù)長(zhǎng)度是'+str(self.len)+'已經(jīng)超過(guò)長(zhǎng)度了'
 pass
def name_Test():
 name=input('請(qǐng)輸入姓名：')
 try:
  if len(name)>5:
raise ToolongmyException(len(name))#拋出異常
  else:
print(name)
pass
 except ToolongmyException as result:
  print(result)
  pass
 finally:
  print('執(zhí)行完畢了')
 pass
name_Test()