命令模式
2020-11-25 09:28:49 4 举报
![处理[命令+数据]](https://www.processon.com/chart_image/template/thumb/5505aa3be4b03108ad55e45b.png?tid=55059bd9e4b07f960cbd4b9d)
命令模式ur图
作者其他创作
大纲/内容
Command
+ dosometing():void
User
user
Implements
SellReceive
-Receive:Receive
+SellReceive()+doSometing()
BuyReceive
+BuyReceive()+doSometing()
Client
+main（）：void
Receive
+name:String+quainty:int
+buy()+sell()
Invoker
+CommandList:List
+addCommand:void-replaceCommand:void
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