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()