75 lines
1.2 KiB
C++
75 lines
1.2 KiB
C++
#ifndef __FLYPATTERN_PATTERN_H__
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#define __FLYPATTERN_PATTERN_H__
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#include <mutex>
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#include <time.h>
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using namespace std;
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// 抽象主题角色
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class Subject
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{
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public:
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Subject(){}
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virtual ~Subject(){}
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virtual void method() = 0;
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};
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// 真实主题角色
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class RealSubject :public Subject
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{
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public:
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RealSubject(){}
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virtual ~RealSubject(){}
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void method(){
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printf("调用业务方法\n");
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}
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};
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// Log类
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class Log
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{
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public:
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Log(){}
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string getTime(){
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time_t t = time(NULL);
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char ch[64] = { 0 };
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//年-月-日 时:分:秒
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strftime(ch, sizeof(ch)-1, "%Y-%m-%d %H:%M:%S", localtime(&t));
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return ch;
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}
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};
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// 代理类
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class Proxy:public Subject
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{
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public:
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Proxy(){
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realSubject = new RealSubject();
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log = new Log();
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}
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Proxy(const Proxy& o) = delete;
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Proxy& operator=(const Proxy&) = delete;
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~Proxy(){
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delete realSubject;
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delete log;
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realSubject = nullptr;
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log = nullptr;
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}
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void preCallMethod(){
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printf("方法method()被调用，调用时间为%s\n",log->getTime().c_str());
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}
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void method(){
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preCallMethod();
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realSubject->method();
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postCallMethod();
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}
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void postCallMethod(){
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printf("方法method()调用调用成功!\n");
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}
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private:
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RealSubject *realSubject;
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Log* log;
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};
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#endif //__FLYPATTERN_PATTERN_H__
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