电脑店维修追踪管理系统

{
if(fread(&record[i], sizeof(REPAIR), 1, pfile) == 1)
{
printf("\nNO: %d client infomation shows below:\n", i+1);
printf("%-30s%-10s\n", "The client's name:", record[i].name);
printf("%-30s%-10d\n\n", "Time in spent: ", record[i].time);
i++;
}
}
fclose(pfile);
}
int add (REPAIR record[], int n)
{
FILE *pfile = fopen(FILENAME, "a+b"); //r+b for the first use,itsn't able to create the file.If use w+,flength would be 0,only use a+
printf("Added completely");
return n;
}
void fix (REPAIR record[])
{
FILE *pfile = fopen(FILENAME, "r+b");
char name[LENGTH];
int i=0, n=0;
if(pfile == NULL)
fflush(stdin);
while(!feof(pfile))
{
fread(&record[i], sizeof(REPAIR), 1, pfile);
if(strcmp(record[i].name, name) == 0)
{
printf("This is the information of this client,you can add solution, time spent:\n");
{
fwrite( &record[i], sizeof(REPAIR), 1, pfile);
}
printf("Saved %d clients' information successfully", n);
fclose(pfile);
}
void read (REPAIR record[])
fwrite(&record[i].time, sizeof(record[i].time), 1, pfile);
break;
}
i++;
}
fclose(pfile);
printf("Modified succussfully\n");
}
int compare(const void *a, const void *b)
fgets(record[i].solution, SOLLENGTH, stdin);
fflush(stdin);
printf("Enter the time spent:");
scanf("%d", &record[i].time);
}
fclose(pfile);
#include <ctype.h>
#define N 100
#define FILENAME "info.txt" //the default file
#defiNGTH 80
#define SOLLENGTH 255
typedef struct repair_info
{
printf("Unable to open the file.\n");
exit(1);
}
fseek(pfile,0,SEEK_END);
flength = ftell(pfile) / sizeof(REPAIR);
for( i = flength; i < (n + flength); i++)
printf("%-30s%-10s\n", "The client's name:", record[i].name);
printf("%-30s%-10s\n", "Description of the problem:", record[i].description);
printf("%-30s%-10s\n", "Solution for this problem: ",record[i].solution);
{
char name[LENGTH];
char description[DESLENGTH];
char solution[SOLLENGTH];
int time;
} REPAIR;
void initialize()
{
char ch = '0';
fflush(stdin);
fread(&record[i], sizeof(REPAIR), 1, pfile);
if(record[i].time == 0)
{
printf("%-30s%-10s\n", "The client's name:", record[i].name);
printf("%-30s%-10s\n", "Description of the problem:", record[i].description);
fflush(stdin);
fwrite(record[i].solution, sizeof(record[i].solution), 1, pfile);
printf("Add time spent please: ");
scanf("%d", &record[i].time);
{
return (*(REPAIR *)a).time > (*(REPAIR *)b).time ? -1 : 1;
}
void display (REPAIR record[])
{
FILE *pfile = fopen(FILENAME, "rb");
fwrite(record[i].description, sizeof(record[i].description), 1, pfile);
fflush(stdin);
printf("Add solution please: ");
fgets(record[i].solution, SOLLENGTH, stdin);
int i;
long flength;
if(pfile == NULL)
{
printf("Unable to open the file.\n");
exit(1);
}
fseek(pfile,0,SEEK_END);
flength = ftell(pfile) / sizeof(REPAIR);
printf("%-30s%-10d\n", "Time in spent: ", record[i].time);
fseek(pfile, -(int)sizeof(REPAIR), 1);
fwrite(record[i].name, sizeof(record[i].name), 1, pfile);
printf("%-30s%-10s\n", "Solution for this problem: ",record[i].solution);
printf("%-30s%-10d\n\n", "Time in spent: ", record[i].time);
}
i++;
{
FILE *pfile = fopen(FILENAME, "r+b");
int i=0;
if(pfile == NULL)
{
printf("Unable to read the file.\n");
exit(1);
}
while(!feof(pfile))
printf("Enter description for computer less than %d characters:", DESLENGTH);
fgets(record[i].description, DESLENGTH, stdin);
fflush(stdin);
printf("Enter solution for computer less than %d characters:", SOLLENGTH);
英文版，VC++2010通过测试
Computer repair store tracking system