网上无意中发现的，在这里存一存代码：
可以控制系统的电子声播放音乐
#include <cstdio> #include <cstring> #include <cstdlib> #include <cmath> #include <string> #include <iostream> #include <windows.h> #include <stack> #include <queue> #include <vector> #include <algorithm> #define mem(a,b) memset(a,b,sizeof(a)) #define N 65536+20 #define M 105105+20 #define inf 0x3f3f3f3f using namespace std; int main(void) { int choice; void play_xiaoxingxing(void); void play_molihua(void); void play_zhaopengyou(void); void play_shangxuege(void); void play_yifenqian(void); void play_zhengfu(void); void play_canghaiyishengxiao(void); void play_tonghua(void); void play_tongzhuodeni(void); void play_xiaoxiongheyangwawa(void); while(1) { printf("请选择需要演奏的曲目：\n"); printf("【1】《小星星》\n"); printf("【2】《茉莉花》\n"); printf("【3】《找朋友》\n"); printf("【4】《上学歌》\n"); printf("【5】《一分钱》\n"); printf("【6】《征服》\n"); printf("【7】《沧海一声笑》\n"); printf("【8】《童话》\n"); printf("【9】《同桌的你》\n"); printf("【10】《小熊和洋娃娃》\n"); printf("【0】退出程序\n"); printf("\n"); printf("请选择："); scanf("%d",&choice); switch(choice) { case 1: play_xiaoxingxing(); break; case 2: play_molihua(); break; case 3: play_zhaopengyou(); break; case 4: play_shangxuege(); break; case 5: play_yifenqian(); break; case 6: play_zhengfu(); break; case 7: play_canghaiyishengxiao(); break; case 8: play_tonghua(); break; case 9: play_tongzhuodeni(); break; case 10: play_xiaoxiongheyangwawa(); break; case 0: break; default: printf("输入有误！请正确输入！\n"); } Beep(0,1000);//暂停一秒钟 printf("\n"); if(choice==0) { printf("\n谢谢使用，再见！"); Beep(0,1000);//暂停一秒钟 break; } } return 0; } /*返回数字简谱中数字t所对应的频率*/ int notation_frequency(int t) { switch (t) { /*中音部分:1,2,3,4,5,6,7*/ case 1: return 523; case 2: return 587; case 3: return 659; case 4: return 698; case 5: return 784; case 6: return 880; case 7: return 988; /*低音部分:-1,-2,-3,-4,-5,-6,-7*/ case -1: return 262; case -2: return 294; case -3: return 330; case -4: return 349; case -5: return 392; case -6: return 440; case -7: return 494; /*高音部分:11,12,13,14,15,16,17*/ case 11: return 1047; case 12: return 1175; case 13: return 1319; case 14: return 1397; case 15: return 1568; case 16: return 1760; case 17: return 1976; /*安静:0,不合法数值*/ default: return 0; } } /*演奏《小星星》*/ void play_xiaoxingxing(void) { int i; int _xiaoxingxing[48]= {1,1,5,5,6,6,5,0, 4,4,3,3,2,2,1,0, 5,5,4,4,3,3,2,0, 5,5,4,4,3,3,2,0, 1,1,5,5,6,6,5,0, 4,4,3,3,2,2,1,0 };//小星星乐谱 int notation_frequency(int t); printf("请欣赏乐曲《小星星》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=47; i++) { if(_xiaoxingxing[i]==0) printf("\n"); else printf("%d",_xiaoxingxing[i]); Beep(notation_frequency(_xiaoxingxing[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《茉莉花》*/ void play_molihua(void) { int i,t; int _molihua[72]= {3,3,5,6,11,11,6,5,0, 5,6,5,0, 3,3,5,6,11,11,6,5,0, 5,6,5,0, 5,5,5,3,5,6,0, 6,6,5,0, 3,2,3,5,0, 3,2,1,0, 1,2,1,0, 3,2,1,2,0, 3,5,6,11,6,5,0, 5,2,3,5,3,2,1,2,1,0 }; //茉莉花乐谱 int notation_frequency(int t); printf("请欣赏乐曲《茉莉花》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=71; i++) { t=_molihua[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_molihua[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《找朋友》*/ void play_zhaopengyou(void) { int i,t; int _zhaopengyou[32]= {5,6,5,6,5,6,5,0, 5,11,7,6,5,5,3,0, 5,5,3,3,5,5,3,0, 2,4,3,2,1,2,1,0, }; //找朋友乐谱 int notation_frequency(int t); printf("请欣赏乐曲《找朋友》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=31; i++) { t=_zhaopengyou[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_zhaopengyou[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《上学歌》*/ void play_shangxuege(void) { int i,t; int _shangxuege[30]= {1,2,3,1,5,0, 6,6,11,6,5,0, 6,6,11,0, 5,6,3,0, 6,5,3,5,3,1,2,3,1,0 }; //找朋友乐谱 int notation_frequency(int t); printf("请欣赏乐曲《上学歌》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=29; i++) { t=_shangxuege[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_shangxuege[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《一分钱》*/ void play_yifenqian(void) { int i,t; int _yifenqian[52]= {5,11,6,11,5,0, 3,5,2,3,5,0, 3,5,6,11,5,6,5,3,5,1,0, 3,2,0, 3,2,1,2,3, 0, 6,5,3,5,6,0, 5,11,11,6,5,6,3,0, 5,2,3,2,1,0 }; //找朋友乐谱 int notation_frequency(int t); printf("请欣赏乐曲《一分钱》……\n"); Beep(0,1000); //暂停一秒钟 for (i=0; i<=51; i++) { t=_yifenqian[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_yifenqian[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《征服》*/ void play_zhengfu(void) { int i,t; int _zhengfu[33]= {5,11,7,5,5,6,5,0, 5,11,7,5,6,3,6,0, 6,6,6,5,3,3,4,0, 4,4,4,5,6,3,2,2,0, }; //征服乐谱 int notation_frequency(int t); printf("请欣赏乐曲《征服》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=32; i++) { t=_zhengfu[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_zhengfu[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《沧海一声笑》*/ void play_canghaiyishengxiao(void) { int i,t; int _canghaiyishengxiao[31]= {12,12,1,6,5,4,0, 6,5,4,2,1,0, 1,2,1,2,4,4,5,6,11,0, 12,12,11,6,5,4,5,0 }; //沧海一声笑乐谱 int notation_frequency(int t); printf("请欣赏乐曲《沧海一声笑》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=30; i++) { t=_canghaiyishengxiao[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_canghaiyishengxiao[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《童话》*/ void play_tonghua(void) { int i,t; int _tonghua[46]= {5,4,3,0, 3,4,3,0, 3,4,3,4,3,2,1,0, 1,3,5,6,0, 6,6,5,2,2,4,3,0, 1,3,5,6,0, 6,6,7,6,5,4,3,4,3,2,1,0, }; //童话乐谱 int notation_frequency(int t); printf("请欣赏乐曲《童话》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=45; i++) { t=_tonghua[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_tonghua[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《同桌的你》*/ void play_tongzhuodeni(void) { int i,t; int _tongzhuodeni[71]= {5,5,5,5,3,4,5,7,0, 6,6,6,6,4,6,5,0, 5,5,5,5,7,6,5,4,0, 4,4,4,4,3,2,1,0, 11,11,11,11,5,6,11,11,11,11,0, 12,12,12,12,11,7,6,0, 7,7,7,7,7,11,12,0, 5,0, 7,7,11,12,11,7,11,0, }; //同桌的你乐谱 int notation_frequency(int t); printf("请欣赏乐曲《同桌的你》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=70; i++) { t=_tongzhuodeni[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_tongzhuodeni[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); } /*演奏《小熊和洋娃娃》*/ void play_xiaoxiongheyangwawa(void) { int i,t; int _xiaoxiongheyangwawa[77]= {1,0, 2,3,4,5,5,5,4,3,4,4,4,3,2,1,3,5,1,0, 2,3,4,5,5,5,4,3,4,4,4,3,2,1,3,1,6,0, 6,6,5,4,5,5,5,4,3,4,4,4,3,2,1,3,5,6,0, 6,6,5,4,5,5,5,4,3,4,0, 4,4,3,2,1,0, 3,1,0, }; //小熊和洋娃娃乐谱 int notation_frequency(int t); printf("请欣赏乐曲《小熊和洋娃娃》……\n"); Beep(0,1000);//暂停一秒钟 for (i=0; i<=76; i++) { t=_xiaoxiongheyangwawa[i]; if(t<0) t=-t; t=t; if(t==0) printf("\n"); else printf("%d",t); Beep(notation_frequency(_xiaoxiongheyangwawa[i]),1000); } printf("演奏完毕！谢谢欣赏！\n"); }