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c語言%15s,c語言求助

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fprintf(fp,"%23s%15s\n",p->num,p->name);

fclose(fp);

}

void del_name()            

{

char tempname[10]="";

int n=0;

struct student record[N]={0},*p=NULL,*k=NULL;

FILE*fp=NULL;

fp=fopen("d:\\duli16_3.txt","r");

if(fp=NULL)

{printf("\n      打開檔案失敗!\n");return;}

p=record;

while(feof(fp)==0)

{

fscanf(fp,"%23s%15s\n",p->num,p->name);

p++;

n++;

}

fclose(fp);

printf("\n      請輸入要登出記錄的姓名:");

gets(tempname);

for(k=record;k

if(strcmp(tempname,k->name)==0) break;

if(k

for(p=k;p

*p=*(p+1);

else printf("\n       無此人!\n");

fp=fopen("d:\\duli16_3.txt","w");

if(fp==NULL)

{

printf("\n      打開檔案失敗!\n");return;}

for(p=record;p

fprintf(fp,"%23s%15s\n",p->num,p->name);

fclose(fp);

}

void myaddmoney()             

{

int i=0,n=0,m=0;

char b[10];

FILE*fp=NULL;

struct student a[50]={0};

fp=fopen("d:\\duli16_3.txt","r");

if(fp==NULL)

{    printf("\n    打開檔案失敗\n");return;}

while(feof(fp)==0)

{

fscanf(fp,"%d%s%10d\n",&a[n].num,&a[n].name,&a[n].money);

printf("%23d%15s%10lf\n",a[n].num,a[n].name,a[n].money);

n++;

}

printf("請輸入您的學号\n");

gets(b);

printf("\n");

for(i=0;i

if(strcmp(b,a[i].num)==0)

{

printf("%23d%15s%5d\n",a[i].num,a[i].name,a[i].money);

printf("請輸入續錢金額:");

scanf("%d",&m);

a[i].money=a[i].money+m;

printf("%23d%15s%5d\n",a[i].num,a[i].name,a[i].money);

}

}

void mycreatnewfaction()            

{

mciSendString("open \"C:\\愛就愛.mp3\" alias file", NULL, 0, NULL);

mciSendString("play file", NULL, 0, NULL);

getchar();

}

void myout()            

{

printf("\n 感謝使用本軟體!已正常退出,按任意鍵結束。\n");

}