谁会用c语言编一个“音乐播放器”。。。要涉及‘编码、数组、函数、文件’等知识。。。十万火急， 用c++写出查找函数的实现代码，数组名array，数组长度l...
\u6c42\u95ee\u4e2ac\u8bed\u8a00\u95ee\u9898\u3001\u4efb\u610f\u4e00\u4e2a\u56db\u4f4d\u6570\uff0c\u53d6\u540e\u4e09\u4f4d\u5b58\u5165\u6570\u7ec4\uff0c\u8fd9\u6837\u7684\u4ee3\u7801\u8981\u600e\u6837\u5199\uff0c\u6709\u53ef\u4ee5\u6ee1\u8db3\u7684\u6e90\u51fd\u6570\u5417\u6211\u64e6\uff0c\u6ca1\u5206\u554a\u3002\u3002
#include
int main()
{
int n = 1234;
int buf[4];
buf[0] = n % 10; // 4
n /= 10; // n: 123
buf[1] = n % 10; // 3
n /= 10; // n: 12
buf[2] = n % 10; // 2
n /= 10;
buf[3] = n; // 1
printf("%d %d %d %d \n", buf[0], buf[1], buf[2], buf[3]);
return 0;
}
\u5177\u4f53\u7684\u89e3\u91ca\u3002\u3002\u3002\u641c \u201dC/C++\u5b66\u4e60\u6307\u5357 \u90b5\u53d1" \u7684\u8fd9\u4e2a\u4e66\u5427\uff0c\u5728\u7b54\u7591\u5e73\u53f0\u4e0a\u6709\u7684\u3002
int i;for(i=0;i<length;i++){ if(array[i]==x)//\u5982\u679c\u627e\u5230x,\u5219\u8fd4\u56de\u4e0b\u6807\uff0c\u5426\u5219\u7ee7\u7eed\u5faa\u73af { return i;//\u8fd4\u56dei\u7684\u540c\u65f6\uff0c\u7ed3\u675f\u8be5\u51fd\u6570\u7684\u8fd0\u884c\uff0c\u8fd4\u56de\u5230\u8c03\u7528\u51fd\u6570 }}return -1;//\u6267\u884c\u5230\u8fd9\u4e00\u6b65\u7684\u8bdd\uff0c\u5c31\u8bf4\u660e\u4e4b\u524d\u6ca1\u6709\u627e\u5230\uff0c\u6240\u4ee5\u8fd4\u56de-1
#include <dos.h>#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <string.h>
#include <conio.h>
void main()
{
void set(int *set1,int *set2,char *f,char *n,int *t,int rate,int num);
void music(int *set1,int *set2,int num);
int flag=0;
FILE *f1;
int t;
int rate;
char in[3];
int i;
int n;
char *frequency;
char *note;
int *time;
int *set1;
int *set2;
int menu;
int FileName[30];
while(1)
{
f1=NULL;
flag=0;
frequency=NULL;
note=NULL;
time=NULL;
set1=NULL;
set2=NULL;
i=n=0;
printf("1 播放程序自带的音乐music1\n");
printf("2 播放程序自带的音乐music2\n");
printf("3 通过输入文件名进行音乐的播放\n");
printf("4 退出\n");
while(1)
{
scanf("%d",&menu);
if(menu==1)
{
strcpy(FileName,"music1.txt");
break;
}
if(menu==2)
{
strcpy(FileName,"music2.txt");
break;
}
if(menu==3)
{
scanf("%s",FileName);
break;
}
if(menu==4)
exit(1);
}
printf("\n该文件的音乐编码如下：\n");
/*-------------------------------------*/
if((f1=fopen(FileName,"r"))==NULL)
{
printf("不能打开文件!\n");
exit(1);
}
/*-------------------------------------*/
fscanf(f1,"%d",&rate);
frequency=(char *)malloc(sizeof(char));
note=(char *)malloc(sizeof(char));
time=(int *)malloc(sizeof(int));
while(!feof(f1)&&flag!=1)
{
fscanf(f1,"%s%d",in,&t);
if(t!=-1)
{
printf("%s %d ",in,t);
frequency[i]=in[0];
note[i]=in[1];
time[i]=t;
i++;
n++;
frequency=(char *)realloc(frequency,(i+1)*sizeof(char));
note=(char *)realloc(note,(i+1)*sizeof(char));
time=(int *)realloc(time,(i+1)*sizeof(int));
}
else
flag=1;
}
fclose(f1);
for(i=0;i<n;i++)
{
switch(frequency[i])
{
case 'h':
switch(note[i])
{
case '1':
note[i]=523;
time[i]=time[i]*rate;
break;
case '2':
note[i]=587;
time[i]=time[i]*rate;
break;
case '3':
note[i]=659;
time[i]=time[i]*rate;
break;
case '4':
note[i]=698;
time[i]=time[i]*rate;
break;
case '5':
note[i]=784;
time[i]=time[i]*rate;
break;
case '6':
note[i]=880;
time[i]=time[i]*rate;
break;
case '7':
note[i]=988;
time[i]=time[i]*rate;
break;
}
break;
case 'm':
switch(note[i])
{
case '1':
note[i]=262;
time[i]=time[i]*rate;
break;
case '2':
note[i]=296;
time[i]=time[i]*rate;
break;
case '3':
note[i]=330;
time[i]=time[i]*rate;
break;
case '4':
note[i]=349;
time[i]=time[i]*rate;
break;
case '5':
note[i]=392;
time[i]=time[i]*rate;
break;
case '6':
note[i]=440;
time[i]=time[i]*rate;
break;
case '7':
note[i]=494;
time[i]=time[i]*rate;
break;
}
break;
case 'l':
switch(note[i])
{
case '1':
note[i]=131;
time[i]=time[i]*rate;
break;
case '2':
note[i]=147;
time[i]=time[i]*rate;
break;
case '3':
note[i]=165;
time[i]=time[i]*rate;
break;
case '4':
note[i]=175;
time[i]=time[i]*rate;
break;
case '5':
note[i]=196;
time[i]=time[i]*rate;
break;
case '6':
note[i]=220;
time[i]=time[i]*rate;
break;
case '7':
note[i]=247;
time[i]=time[i]*rate;
break;
}
break;
}
for(i=0;i<n;i++)
{
sound(note[i]);
delay(time[i]);
nosound();
}
free(frequency);
free(note);
free(time);
free(set1);
free(set2);
putchar('\n');
}
}
}
曾经用汇编编过一个类似的程序,用c语言编就非常简单了
绛旓細include <mmsystem.h> pragma comment (lib, "winmm.lib")main(){ mciSendString("play 1.mp3 ", NULL, 0, NULL);//鎾斁 }
绛旓細4. 浣跨敤绗笁鏂规挱鏀惧櫒杩涚▼锛氬彟涓绉嶆柟娉曟槸鍚姩涓涓閮ㄧ殑闊抽鎾斁鍣ㄨ繘绋嬫潵鎾斁闊充箰鏂囦欢銆傝繖绉嶆柟寮忎笅锛C璇█绋嬪簭閫氳繃璋冪敤绯荤粺鍛戒护鏉ュ惎鍔ㄤ竴涓閮鐨勯煶涔愭挱鏀惧櫒锛屽苟浼犻掗煶涔愭枃浠剁殑璺緞浣滀负鍙傛暟銆傝繖绉嶆柟寮忕畝鍗曟槗琛岋紝浣嗕笉澶熺伒娲伙紝鍥犱负瀹冧緷璧栦簬澶栭儴鎾斁鍣ㄨ蒋浠剁殑瀛樺湪鍜岄厤缃傜患涓婃墍杩帮紝瑕佸湪C璇█涓墦寮闊充箰鏂囦欢骞...
绛旓細杩欎釜绋嬪簭鍙兘鏄渶绠鍗鐨刴p3鎾斁鍣浜嗐傚綋鐒朵篃璋堜笉涓婁粈涔堝姛鑳姐備絾鏄‘瀹炶兘鎾斁銆傞摼鎺ユ椂瑕佹寚瀹氬簱鏂囦欢銆俈C++鏄痸fw32.lib, GCC鏄痩ibvfw32.a.鎴戝湪VC6.0鍜孏CC/MinGW 3.3.1涓嬮兘閫氳繃浜嗐傚亣璁剧▼搴忓悕鏄疢yPlay, 鐩綍涓嬭繕鏈変竴涓猘aa.mp3, 杩愯MyPlay aaa.mp3鍗冲彲銆傛敞鎰廠leep(50000)鏄浠栨渶澶氭挱鏀50绉掋傛病鏈...
绛旓細鍔犱笂涓涓緭鍏ュ氨鍙互銆傚彲浠ユ槸鎸夐敭杈撳叆锛屼篃鍙互閫氳繃涓插彛
绛旓細wav鏍煎紡鐨勯煶棰戯紝mp3鏍煎紡鎭愭曚綘寰楀啀鍘荤綉涓婃壘鎵惧紑婧愪唬鐮 // 鎾斁闊抽 "1.wav"#include <stdio.h>#include <windows.h>#pragma comment(lib,"winmm.lib")int main(){ PlaySound ("1.wav",NULL,SND_FILENAME | SND_ASYNC | SND_LOOP); getchar(); return 0;} ...
绛旓細} for(i=sizeof(buff)-chin-4;i++) //鍥犱负涓枃2涓瓧鑺傜殑锛岃屼笖杩樻湁4涓瓧鑺傜殑鍚庣紑鍚 { path[j++]=buff[i];if(buff[i]=='\\')break;} for(i=j;i>0;i--){ name[k++]=path[i];} MessageBox(NULL,name,name,MB_OK);杩欓噷鐨刵ame灏辨槸姝屽悕浜嗭紝鍥犱负浣鐨勬挱鏀惧櫒鍙敮鎸mp3鍜寃ma鐨勬瓕...
绛旓細浣犱笉鍙兘鍚屾椂鎾叏閮鐨勬瓕鏇鍚с傛槸涓嶆槸鎯虫墦寮鏂囦欢澶癸紝閬嶅巻鎵鏈夌殑姝屾洸鍚嶅瓧銆傜劧鍚庡彲浠鎾斁鍟娿
绛旓細缁欎綘涓▼搴忥紝鑳鎾斁銆婁笘涓婂彧鏈夊濡堝ソ銆嬨傝鏄鍘熺悊鍥惧拰璇存槑鏂囨。鍙互璺熸垜璇翠竴澹般/ 涓栦笂鍙湁濡堝濂姐嬶紜娴佹按鐏殢闊充箰鐨鑺傛媿鐨勫揩鎱㈣屽姩 P3.7杈撳嚭浣垮疄鐜拌渹楦ｅ櫒婕斿姝屾洸鍔熻兘 / include <reg51.h> sbit BELL=P3^7; //灏忓枃鍙 sbit key1=P3^5;unsigned char timer0h,timer0l,time,led=1,j=0;...
绛旓細涓鑸兘鏄鐢╟鎴栬卌++鍐欑殑鍚с備綘涓婄綉鏌ユ煡涓涓彨PD鐨勮蒋浠讹紝涓撻棬鏌ョ湅杞欢鐨勬簮璇█鏄粈涔堛傛槗璇█搴旇鍙互鍚э紝閮藉樊涓嶅鐨勩俀Q闊充箰涔嬬被鐨勯兘鏄湁鑷繁鐨勬湇鍔″櫒锛屼綘涔熷彲浠ュ儚杩呴浄銆佸揩鎾偅鏍蜂娇鐢≒2P鎶鏈備粠瀹㈡埛绔幏鍙栬祫婧愩傜増鏉冨氨涓嶄簡瑙ｄ簡锛屽ぇ涓嶄簡鍔犲彞璇濓紝鏈蒋浠舵墍鏈夎祫婧愭潵鑷簰鑱旂綉锛屾墍鏈夌籂绾蜂笌鏈蒋浠跺紑鍙戝叕鍙告棤...
绛旓細鎴戜滑鐭ラ亾锛闊充箰鏄煶楂樺拰闊抽暱鐨勬湁搴忕粍鍚堬紝璁捐寰満闊充箰鏈閲嶈鐨勫氨鏄浣曞畾涔夐煶楂樺拰闊抽暱锛屼互鍙婂浣曡鎵０鍣ㄥ彂鍑烘寚瀹氱殑闊崇銆備笅闈㈢粰鍑洪煶绗︿笌棰戠巼鐨勫叧绯昏〃銆C璇█鎻愪緵鐨勪笁涓嚱鏁皊ound( )銆乶osound( )鍜宑lock( )鍙互寰堟柟渚垮湴瑙ｅ喅涓婅堪鐨勯棶棰樸俿ound( )鍑芥暟鍙互鐢ㄦ寚瀹氶鐜囨墦寮PC鏈烘壃澹板櫒鐩村埌鐢╪osound( )鍑芥暟鏉...
