#include<stdio.h>
#include <afx.h>//CString的头文件
#include<string.h>
#include<stdlib.h>
#include<time.h>
#include <windows.h>
#include<mmsystem.h>
#pragma comment(lib,"winmm.lib")
int main()
{
MCIERROR re;
FILE *fp;
char slen[256]={0},title[30]={0},artist[30]={0},test,song[30],st;
CString fe;
long here,llen;
int m,n,v,s;
here=clock();//时间函数必须放在循环外面
printf("请输入歌名: ");
fflush(stdin);
gets(song);//输入曲目名称
fe.Format("open %s alias beatit",song);
re=mciSendString(TEXT(fe.GetBuffer(fe.GetLength())),0,0,0);//TEXT是宏变量,alias不能少
printf("\n");
printf("请选择一个命令对应的数字:\n1.播放 2.暂停 3.继续 4.快进 5.回放 6.音量 7.属性 8.停止\n");
while(scanf("%d",&n)!=EOF)
{
if(re!=0)
{
n=7;
}
if(n==1)
{
mciSendString(TEXT("play beatit"),0,0,0);
printf("successful\n\n");
}
else if(n==4)//快进
{
here=here+10000;
fe.Format("seek beatit to %ld",here);
mciSendString(TEXT(fe.GetBuffer(fe.GetLength())),0,0,0);//to后面的long数值必须真的是一个long数值，不能用变量名
mciSendString(TEXT("play beatit"),0,0,0);//seek后还需要继续用open才能播放音乐
printf("successful\n\n");
//增加一个播放状态函数进行测量
}
else if(n==5)//快退
{
here=here-10000;
if(here<0)//快退到开始状态
here=0;
fe.Format("seek beatit to %ld",here);
mciSendString(TEXT(fe.GetBuffer(fe.GetLength())),0,0,0);
mciSendString(TEXT("play beatit"),0,0,0);
printf("successful\n\n");
}
else if(n==8)//停止
{
mciSendString(TEXT("close beatit"),0,0,0);
printf("successful\n\n");
exit(0);
}
else if(n==6)//音量
{
printf("请输入新的音量大小,范围:1 to 1000\n");
scanf("%d",&v);
if(v<0||v>1000)
printf("failed\n\n");
else
{
fe.Format("setaudio beatit volume to %d",v);
mciSendString(TEXT(fe.GetBuffer(fe.GetLength())),0,0,0);
mciSendString(TEXT("play beatit"),0,0,0);
printf("successful\n\n");
}
}
else if(n==2)//暂停
{
mciSendString(TEXT("pause beatit"),0,0,0);
printf("successful\n\n");
}
else if(n==3)//播放
{
mciSendString(TEXT("resume beatit"),0,0,0);
printf("successful\n\n");
}
else if(n==7)//属性
{
if(re!=0)
printf("信息:\n歌曲打开失败\n\n");
else
{
mciSendString(TEXT("status beatit length"),slen,255,0);
llen=strtol(slen,0,0)/1000;//测量出媒体长度，单位为秒，需要转化
m=llen/60;//分
s=llen%60;//秒
fp=fopen(song,"r");
if(fp==NULL)
{
printf("failed\n\n");
exit(0);
}
fseek(fp,-125L,2);//讲指针移动到距离歌曲末尾128个字节处
fgets(title,30,fp);
while((test=fgetc(fp))!='\0');//指针跳跃
fflush(stdin);
fgets(artist,30,fp);
printf("信息:\n");
printf("歌名: %s\n",title);
printf("歌手: %s\n",artist);
if(m>=10&&s>=10)
printf("时长: %d:%d\n",m,s);
else if(m<10&&s>=10)
printf("时长: 0%d:%d\n",m,s);
else if(m>=10&&s<10)
printf("时长: %d:0%d\n",m,s);
else
printf("时长: 0%d:0%d\n",m,s);
printf("\n");
}
}
else
continue;
}
Sleep(10*60*1000);
return 0;
}
