{"id":2111,"date":"2023-11-10T15:10:41","date_gmt":"2023-11-10T07:10:41","guid":{"rendered":""},"modified":"2023-11-10T15:10:41","modified_gmt":"2023-11-10T07:10:41","slug":"Python\u547d\u4ee4\u6a21\u5f0f","status":"publish","type":"post","link":"https:\/\/bianchenghao6.com\/2111.html","title":{"rendered":"Python\u547d\u4ee4\u6a21\u5f0f"},"content":{"rendered":"
\n
Python\u547d\u4ee4\u6a21\u5f0f\u8be6\u7ec6\u64cd\u4f5c\u6559\u7a0b<\/span>\n <\/div>\n <\/body> <\/p>\n
\u5982\u4f55\u5b9e\u73b0\u547d\u4ee4\u6a21\u5f0f\uff1f<\/h2>\n
# Filename : example.py<\/span>
# Copyright : 2020 By Bianchenghao6<\/span>
# Author by : bianchenghao6.com<\/span>
# Date : 2020-08-22<\/span>
#\u4e3b\u98df\u5b50\u7cfb\u7edf\uff0c\u51c9\u83dc\u5b50\u7cfb\u7edf\uff0c\u70ed\u83dc\u5b50\u7cfb\u7edf,\u540e\u53f0\u4e09\u4e2a\u5b50\u7cfb\u7edf
<\/span> class <\/span>backSys():
def <\/span>cook(self,dish):
pass
class <\/span>mainFoodSys(backSys):
def <\/span>cook(self,dish):
print(\"MAINFOOD:Cook %s\"<\/span>%dish)
class <\/span>coolDishSys(backSys):
def <\/span>cook(self,dish):
print(\"COOLDISH:Cook %s\"<\/span>%dish)
class <\/span>hotDishSys(backSys):
def <\/span>cook(self,dish):
print(\"HOTDISH:Cook %s\"<\/span>%dish)
#\u524d\u53f0\u670d\u52a1\u5458\u7cfb\u7edf\u4e0e\u540e\u53f0\u7cfb\u7edf\u7684\u4ea4\u4e92\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u7684\u6a21\u5f0f\u6765\u5b9e\u73b0\uff0c
<\/span> #\u670d\u52a1\u5458\u5c06\u987e\u5ba2\u7684\u70b9\u5355\u5185\u5bb9\u5c01\u88c5\u6210\u547d\u4ee4\uff0c\u76f4\u63a5\u5bf9\u540e\u53f0\u4e0b\u8fbe\u547d\u4ee4\uff0c\u540e\u53f0\u5b8c\u6210\u547d\u4ee4\u8981\u6c42\u7684\u4e8b\uff0c
<\/span> #\u524d\u53f0\u7cfb\u7edf\u6784\u5efa\u5982\u4e0b
<\/span> class <\/span>waiterSys():
menu_map=dict()
commandList=[]
def <\/span>setOrder(self,command):
print(\"WAITER:Add dish\"<\/span>)
self.commandList.append<\/span>(command)
def <\/span>cancelOrder(self,command):
print(\"WAITER:Cancel order...\"<\/span>)
self.commandList.remove<\/span>(command)
def <\/span>notify(self):
print(\"WAITER:Notify...\"<\/span>)
for <\/span>command in <\/span>self.commandList:
command.execute<\/span>()
#\u524d\u53f0\u7cfb\u7edf\u4e2d\u7684notify\u63a5\u53e3\u76f4\u63a5\u8c03\u7528\u547d\u4ee4\u4e2d\u7684execute\u63a5\u53e3\uff0c\u6267\u884c\u547d\u4ee4\u3002\u547d\u4ee4\u7c7b\u6784\u5efa
<\/span> class <\/span>Command():
receiver = None
def <\/span>__init__(self, receiver):
self.receiver = receiver
def <\/span>execute(self):
pass
class <\/span>foodCommand(Command):
dish=\"\"<\/span><\/span><\/span>
def <\/span>__init__(self,receiver,dish):
self.receiver=receiver
self.dish=dish
def <\/span>execute(self):
self.receiver.cook<\/span>(self.dish)
class <\/span>mainFoodCommand(foodCommand):
pass
class <\/span>coolDishCommand(foodCommand):
pass
class <\/span>hotDishCommand(foodCommand):
pass
\"\"\"
Command\u7c7b\u662f\u4e2a\u6bd4\u8f83\u901a\u8fc7\u7684\u7c7b\uff0cfoodCommand\u7c7b\u662f\u672c\u4f8b\u4e2d\u6d89\u53ca\u7684\u7c7b\uff0c\u76f8\u6bd4\u4e8eCommand\u7c7b\u8fdb\u884c\u4e86\u4e00\u5b9a\u7684\u6539\u9020\u3002
\u7531\u4e8e\u540e\u53f0\u7cfb\u7edf\u4e2d\u7684\u6267\u884c\u51fd\u6570\u90fd\u662fcook\uff0c\u56e0\u800c\u5728foodCommand\u7c7b\u4e2d\u76f4\u63a5\u5c06execute\u63a5\u53e3\u5b9e\u73b0\uff0c
\u5982\u679c\u540e\u53f0\u7cfb\u7edf\u6267\u884c\u51fd\u6570\u4e0d\u540c\uff0c\u9700\u8981\u5728\u4e09\u4e2a\u5b50\u547d\u4ee4\u7cfb\u7edf\u4e2d\u5b9e\u73b0execute\u63a5\u53e3\u3002
\u8fd9\u6837\uff0c\u540e\u53f0\u4e09\u4e2a\u547d\u4ee4\u7c7b\u5c31\u53ef\u4ee5\u76f4\u63a5\u7ee7\u627f\uff0c\u4e0d\u7528\u8fdb\u884c\u4fee\u6539\u4e86\u3002
\"\"\"
#\u83dc\u5355\u7c7b\u8f85\u52a9\u4e1a\u52a1
<\/span> class <\/span>menuAll:
menu_map=dict()
def <\/span>loadMenu(self):#\u52a0\u8f7d\u83dc\u5355\uff0c\u8fd9\u91cc\u76f4\u63a5\u5199\u6b7b
<\/span> self.menu_map[\"hot\"<\/span><\/span>] = [\"Yu-Shiang Shredded Pork\"<\/span><\/span>, \"Sauteed Tofu, Home Style\"<\/span><\/span>, \"Sauteed Snow Peas\"<\/span>]
self.menu_map[\"cool\"<\/span><\/span>] = [\"Cucumber\"<\/span><\/span>, \"Preserved egg\"<\/span>]
self.menu_map[\"main\"<\/span><\/span>] = [\"Rice\"<\/span><\/span>, \"Pie\"<\/span>]
def <\/span>isHot(self,dish):
if <\/span>dish in <\/span>self.menu_map[\"hot\"]:
return True<\/span>
return False<\/span>
def <\/span>isCool(self,dish):
if <\/span>dish in <\/span>self.menu_map[\"cool\"]:
return True<\/span>
return False<\/span>
def <\/span>isMain(self,dish):
if <\/span>dish in <\/span>self.menu_map[\"main\"]:
return True<\/span>
return False<\/span>
#\u4e1a\u52a1\u573a\u666f
<\/span> if <\/span> __name__==\"__main__\"<\/span>:
dish_list=[\"Yu-Shiang Shredded Pork\",\"Sauteed Tofu, Home Style\",\"Cucumber\",\"Rice\"]#\u987e\u5ba2\u70b9\u7684\u83dc
<\/span> waiter_sys=waiterSys()
main_food_sys=mainFoodSys()
cool_dish_sys=coolDishSys()
hot_dish_sys=hotDishSys()
menu=menuAll()
menu.loadMenu<\/span>()
for <\/span>dish in <\/span>dish_list:
if <\/span>menu.isCool<\/span>(dish):
cmd=coolDishCommand(cool_dish_sys,dish)
elif <\/span><\/span>menu.isHot<\/span>(dish):
cmd=hotDishCommand(hot_dish_sys,dish)
elif <\/span><\/span>menu.isMain<\/span>(dish):
cmd=mainFoodCommand(main_food_sys,dish)
else:<\/span>
continue<\/span>
waiter_sys.setOrder<\/span>(cmd)
waiter_sys.notify<\/span>()
<\/span><\/code><\/pre>\n<\/p><\/div>\n\u8f93\u51fa<\/h3>\n
# Filename : example.py<\/span>
# Copyright : 2020 By Bianchenghao6<\/span>
# Author by : bianchenghao6.com<\/span>
# Date : 2020-08-22<\/span>
WAITER:Add dish
WAITER:Add dish
WAITER:Add dish
WAITER:Add dish
WAITER:Notify...
HOTDISH:Cook Yu-Shiang Shredded Pork
HOTDISH:Cook Sauteed Tofu, Home Style
COOLDISH:Cook Cucumber
MAINFOOD:Cook Rice
<\/span><\/code><\/pre>\n<\/p><\/div>\n\u8bf4\u660e<\/h3>\n
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