这是第一次在博客上发表随笔，希望可以敦促自己不要浪费时间，努力提升基本功。
1 #include <iostream>
2
3 class CPU
4 {
5 enum CPU_rank{p1=1,p2,p3,p4,p5,p6,p7};
6 public:
7 CPU()= default;
8 CPU(enum CPU_rank);
9 ~CPU(){}
10 void run(){std::cout<<"CPU运行";}
11 void stop(){std::cout<<"CPU停止";}
12 };
13
14 enum RAM_type {DDR4=1,DDR3,DDR2};
15 class RAM
16 {
17 enum RAM_type type;
18 int size;
19 float ping;
20 public:
21 RAM()= default;
22 RAM(enum RAM_type,int size,float ping);
23 ~RAM(){}
24 void setType(RAM_type t){ type=t;}
25 inline void run(){std::cout<<"RAM运行";}
26 inline void stop(){std::cout<<"RAM停止";}
27 };
28
29 enum CD_ROM_type{SATA,USB};
30 class CD_ROM
31 {
32
33 int size;
34 enum install{external=1,built_in};
35 public:
36 CD_ROM()= default;
37 CD_ROM(enum install,enum CD_ROM_type, int size);
38 ~CD_ROM(){}
39 inline void run(){std::cout<<"CD_ROM运行/n";}
40 inline void stop(){std::cout<<"CD_ROM停止/n";}
41 };
42
43 class COMPUTER
44 {
45 CPU myCpu;
46 RAM myRam;
47 CD_ROM myCdRom;
48 float prize;
49 public:
50 COMPUTER()= default;
51 COMPUTER(CPU c,RAM r,CD_ROM cd,float prize=0)
52 :myCpu(c),myCdRom(cd),myRam(r)
53 {
54 std::cout<<"COMPUTER创建成功";
55 }
56 ~COMPUTER(){}
57 inline void run(){std::cout<<"COMPUTER运行";}
58 inline void stop(){std::cout<<"COMPUTER停止";}
59 };
60
61 int main() {
62 RAM myram;
63 myram.setType(DDR2);
64 COMPUTER mycomputer;
65 mycomputer.run();
66 mycomputer.stop();
67 }
