103.c

C语言105例光盘保存

#include <stdio.h>
#include <dos.h>
#define ESC 27
#define TAB 9
void main()
{
	FILE *fp;
	struct date d;
	float sum,chm=0.0;
	int len,i,j=0;
	int c;
	char ch[4]="",ch1[16]="",chtime[12]="",chshop[16],chmoney[8];
	pp: clrscr();
	sum=0.0;
	gotoxy(1,1);printf("|---------------------------------------------------------------------------|");
	gotoxy(1,2);printf("|         this is a money management system for your everyday life          |");
	gotoxy(1,3);printf("|---------------------------------------------------------------------------|");
	gotoxy(1,4);printf("| -- money records --------| -- today cost list -------|");
	gotoxy(1,5);printf("| ------------------------ |-------------------------------------|");
	gotoxy(1,6);printf("| date: -------------- | |");
	gotoxy(1,7);printf("| | | | |");
	gotoxy(1,8);printf("| -------------- | |");
	gotoxy(1,9);printf("| thgs: ------------------ | |");
	gotoxy(1,10);printf("| | | | |");
	gotoxy(1,11);printf("| ------------------ | |");
	gotoxy(1,12);printf("| cost: ---------- | |");
	gotoxy(1,13);printf("| | | | |");
	gotoxy(1,14);printf("| ---------- | |");
	gotoxy(1,15);printf("| | |");
	gotoxy(1,16);printf("| | |");
	gotoxy(1,17);printf("| | |");
	gotoxy(1,18);printf("| | |");
	gotoxy(1,19);printf("| | |");
	gotoxy(1,20);printf("| | |");
	gotoxy(1,21);printf("| | |");
	gotoxy(1,22);printf("| | |");
	gotoxy(1,23);printf("|---------------------------------------------------------------------------|");
	i=0;
	getdate(&d);
	sprintf(chtime,"%4d.%02d.%02d",d.da_year,d.da_mon,d.da_day);
	while(1)
	{
		gotoxy(3,24);printf(" Input 'Tab' to browse cost list and 'Esc' to quit");
		gotoxy(13,10);printf(" ");
		gotoxy(13,13);printf(" ");
		gotoxy(13,7);
		printf("%s",chtime);
		j=18;
		ch[0]=getch();
		if(ch[0]==ESC)
			break;
		strcpy(chshop,"");
		strcpy(chmoney,"");
		if(ch[0]==TAB)
		{
			mm:i=0;
			fp=fopen("management.txt","r+");
			gotoxy(3,24);printf(" ");
			gotoxy(6,4);printf(" list records ");
			gotoxy(1,5);printf("|-------------------------------------|");
			gotoxy(41,4);printf(" ");
			gotoxy(41,5);printf(" |");
			while(fscanf(fp,"%10s%14s%f\n",chtime,chshop,&chm)!=EOF)
			{ 
				if(i==36)
				{ 
					getch();
					i=0;
				}
				if ((i%36)<17)
				{ 
					gotoxy(4,6+i);
					printf(" ");
					gotoxy(4,6+i);
				}
				else if((i%36)>17)
				{ 
					gotoxy(41,4+i-17);
					printf(" ");
					gotoxy(42,4+i-17);
				}
				i++;
				sum=sum+chm;
				printf("%10s %-14s %6.1f\n",chtime,chshop,chm);
			}
			gotoxy(1,23);printf("|---------------------------------------------------------------------------|");
			gotoxy(1,24);printf("| |");
			gotoxy(1,25);printf("|---------------------------------------------------------------------------|");
			gotoxy(10,24);printf("total is %8.1f$",sum);
			fclose(fp);
			gotoxy(49,24);printf("press any key to continue");
			getch();
			goto pp;
		}
		else
		{
			while(ch[0]!='\r')
			{ 
				if(j<10)
				{ 
					strncat(chtime,ch,1);
					j++;
				}
				if(ch[0]==8)
				{
					len=strlen(chtime)-1;
					if(j>15)
					{ 
						len=len+1; 
						j=11;
					}
					strcpy(ch1,"");
					j=j-2;
					strncat(ch1,chtime,len);
					strcpy(chtime,"");
					strncat(chtime,ch1,len-1);
					gotoxy(13,7);printf(" ");
				}
				gotoxy(13,7);printf("%s",chtime);
				ch[0]=getch();
				if(ch[0]==TAB)
					goto mm;
				if(ch[0]==ESC)
				exit(1);
			}
			gotoxy(3,24);printf(" ");
			gotoxy(13,10);
			j=0;
			ch[0]=getch();
			while(ch[0]!='\r')
			{ 
				if (j<14)
				{ 
					strncat(chshop,ch,1);
					j++;
				}
				if(ch[0]==8)
				{	 
					len=strlen(chshop)-1;
					strcpy(ch1,"");
					j=j-2;
					strncat(ch1,chshop,len);
					strcpy(chshop,"");
					strncat(chshop,ch1,len-1);
					gotoxy(13,10);printf(" ");
				}
				gotoxy(13,10);printf("%s",chshop);
				ch[0]=getch();
			}
				gotoxy(13,13);
				j=0;
				ch[0]=getch();
				while(ch[0]!='\r')
				{ 
					if (j<6)
					{ 
						strncat(chmoney,ch,1);
						j++;
					}
					if(ch[0]==8)
					{ 
						len=strlen(chmoney)-1;
						strcpy(ch1,"");
						j=j-2;
						strncat(ch1,chmoney,len);
						strcpy(chmoney,"");
						strncat(chmoney,ch1,len-1);
						gotoxy(13,13);printf(" ");
					}
					gotoxy(13,13);printf("%s",chmoney);ch[0]=getch();
				}
				if((strlen(chshop)==0)||(strlen(chmoney)==0))
					continue;
				if((fp=fopen("management.txt","a+"))!=NULL);
					fprintf(fp,"%10s%14s%6s",chtime,chshop,chmoney);
				fputc('\n',fp);
				fclose(fp);
				i++;
				gotoxy(41,5+i);
				printf("%10s %-14s %-6s",chtime,chshop,chmoney);
		}
	}
}