设计模式一 简单工厂 

 1 # -*- coding:utf-8 -*-
 2 
 3 
 4 class Main():
 5     slot = None
 6 
 7     def __init__(self):
 8         pass
 9 
10     def triggerEvent(self,slot):
11         pass
12 
13     def endup(sef):
14        pass
15 
16     def run(self):
17        pass
18 
19     #槽函数，在triggerEvent中调用
20     @pyqtSlot()
21     def handleCard():
22        pass
23         
24         
25 
26 class ChildMain1(main):
27     slot = None
28 
29     def __init__(self):
30         pass
31 
32     def triggerEvent(self,slot):
33         self.slot = slot
34         ......
35         #a事件 业务逻辑
36         ......
37         return self.slot
38         print "a事件业务逻辑已完成"
39 
40     def endup(sef):
41         #结束流程
42 
43     def run(self):
44         while True:
45             pass
46             if True:
47                 pass
48         print "a流程完成"
49 
50     #槽函数，在triggerEvent中调用
51     @pyqtSlot()
52     def handleCard():
53         'a event triggered.'
54         
55 class ChildMain2(Main):
56     slot = None
57 
58     def __init__(self):
59         pass
60 
61     def triggerEvent(self,slot):
62         self.slot = slot
63         ......
64         #b事件 业务逻辑
65         ......
66         return self.slot
67         print "业务逻辑已完成"
68 
69     def endup(sef):
70         #b事件结束流程
71 
72     def run(self):
73         while True:
74             pass
75             if True:
76                 pass
77         print "b流程完成"
78 
79     #槽函数，在triggerEvent中调用
80     @pyqtSlot()
81     def handleCard():
82         'b event triggered.'
83         
84 class RunMain():
85     def run(self, topic):
86         dic = {
87         "a":ChildMain1，
88         "b":ChildMain2
89         }
90         if dic.has_key(topic):
91             di = dic[topic]()
92             return 
93 
94

   简单工厂就是在执行的时候中再去判断如何执行和执行什么这个问题。

posted @ 2016-06-02 13:58  郭维001  阅读(238)  评论(0)    收藏  举报