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#include \r\n#include \r\n#include \r\nusing namespace std;\r\nclass RecvBase\r\n{\r\npublic:\r\n RecvBase()\r\n {\r\n cout << \"RecvBase structure\" << endl;\r\n }\r\n virtual void slotFunctions(int msgid)=0;\r\n virtual ~RecvBase()\r\n {\r\n cout << \"RecvBase destruct\" << endl;\r\n }\r\n};\r\nclass Recv:public RecvBase\r\n{\r\npublic:\r\n Recv()\r\n {\r\n cout << \"Recv structure\" << \"---\" << this << \"---\" << endl;\r\n }\r\n void slotFunctions(int msgid)override\r\n {\r\n switch(msgid)\r\n {\r\n case 1:\r\n cout << this << \"\u63a5\u6536\u52301\u4fe1\u53f7\uff0c\u6267\u884c1\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570\" << endl;\r\n break;\r\n case 2:\r\n cout << this << \"\u63a5\u6536\u52302\u4fe1\u53f7\uff0c\u6267\u884c2\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570\" << endl;\r\n break;\r\n case 3:\r\n cout << this << \"\u63a5\u6536\u52303\u4fe1\u53f7\uff0c\u6267\u884c3\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570\" << endl;\r\n break;\r\n case 4:\r\n cout << this << \"\u63a5\u6536\u52304\u4fe1\u53f7\uff0c\u6267\u884c4\u4fe1\u53f7\u5bf9\u5e94\u7684\u69fd\u51fd\u6570\" << endl;\r\n break;\r\n }\r\n }\r\n ~Recv()override\r\n {\r\n cout << \"Recv destruct\" << endl;\r\n }\r\n};\r\nclass Sender\r\n{\r\npublic:\r\n Sender()\r\n {\r\n cout << \"sender structure\" << endl;\r\n }\r\n map> RecvMap;\r\n void observerToRecvMap(int msgid,RecvBase* recv)\r\n {\r\n this->RecvMap[msgid].push_back(recv);\r\n }\r\n void senderSignals(int msgid)\r\n {\r\n auto it = RecvMap.find(msgid);\r\n if(it!=RecvMap.end())\r\n {\r\n for(RecvBase* p:it->second)\r\n {\r\n p->slotFunctions(msgid);\r\n }\r\n }else{\r\n cout << \"\u63a5\u6536\u5230\u672a\u77e5\u4fe1\u53f7\uff0c\u6ca1\u6709\u5bf9\u5e94\u7684\u53ef\u6267\u884c\u69fd\u51fd\u6570\" << endl;\r\n }\r\n }\r\n ~Sender()\r\n {\r\n cout << \"sender destruct\" << endl;\r\n }\r\n};\r\nint main()\r\n{\r\n Sender sender;\r\n RecvBase* r1=new Recv();\r\n RecvBase* r2=new Recv();\r\n RecvBase* r3=new Recv();\r\n RecvBase* r4=new Recv();\r\n sender.observerToRecvMap(1,r1);\r\n sender.observerToRecvMap(1,r2);\r\n sender.observerToRecvMap(2,r2);\r\n sender.observerToRecvMap(3,r3);\r\n sender.observerToRecvMap(4,r4);\r\n while(true)\r\n {\r\n int msgid;\r\n cin >> msgid;\r\n if(-1==msgid)break;\r\n sender.senderSignals(msgid);\r\n }\r\n delete r1;\r\n delete r2;\r\n delete r3;\r\n delete r4;\r\n return 0;\r\n}<\/list><\/map><\/iostream><\/pre>\n
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this\u6307\u9488\uff1a<\/p>\n
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