【发布时间】：2020-11-08 08:09:14
【问题描述】：
a- 从“detyra_day.dat”文件中读取并打印数据
b- 当您知道 IDNR 是唯一的时添加另一个公民
c- 在不更改 IDNR 的情况下更改公民的信息
d- 为每个家庭每天仅 1 人创建“外出许可”申请 （申请人可以申请其他家庭成员，申请人必须年满18周岁） 8:00至17:00发放“外出许可”，持续2小时。
e- 检查公民是否有权外出（打印 IDNR、日期和时间）。
f- 保存
g- 为所有公民和家庭打印所有“外出许可”。
h- 打印请求许可最多的 10 个公民和请求最少的 10 个公民的列表（不包括根本没有请求的公民）
#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <dos.h>
#include <windows.h>
int permission;
int hour;
int minute;
int nr_people;
struct citizen{
char idnr[10];
char name[50];
char lname[50];
long int birthday;
int id_family;
};
struct birthday{
int year;
int month;
int day;
};
char fname[]={"detyra_day.dat"};
void readPeopleInfo(){
nr_people=0;
struct citizen s;
FILE *f;
f=fopen(fname,"r");
printf("\n========================================================\n\n");
printf("\t\t Details of all citizen \n\n");
printf("========================================================\n\n");
printf("IDNR\tname\tlname\tbirthday\tid_family\n\n");
if(f == NULL)
{
printf("Error opening file\n");
exit(1);
}
while(fread(&s,sizeof(struct citizen),1,f))
{
printf("%s\t",s.idnr);
printf("%s\t",s.name);
printf("%s\t",s.lname);
printf("%ld\t",s.birthday);
printf("%d\t\n\n",s.id_family);
nr_people++;
}
fclose(f);
printf("========================================================\n\n");
printf("Number of citizen = %d",nr_people);
}
void add(){
struct citizen s,s1;
int nr_people=5;
int found=0;
printf("\n Give the unique IDNR: ");
scanf("%s",&s1.idnr);
for(int i=0;i<nr_people;i++){
if(s1.idnr==s.idnr){
printf("The citizen with this IDNR exist");
found=1;
return;
}
}
if(found==0){
printf("The citizen with this IDNR doesn't 'exist");
strcpy(s.idnr,s1.idnr);
printf("\nGive the name of the citizen: ");
scanf("%s",s.name);
printf("\n Give the lname of the citizen: ");
scanf("%s",s.lname);
printf("\n Give the birthday of the citizen in the format YYYYMMDD: ");
scanf("%ld",&s.birthday);
printf("\n Give the ID of the family of the citizen: ");
scanf("%d",&s.id_family);
nr_people++;
}
}
void change(){
struct citizen s[50];
char *idnr;
printf("\n IDNR of citizen: ");
scanf("%s",&idnr);
for(int i=0;i<nr_people; i++){
if (strcmp(s[i].idnr,idnr)==0){
printf("\nGive the name of the citizen: ");
scanf("%s",s[i].name);
printf("\n Give the lname of the citizen: ");
scanf("%s",s[i].lname);
printf("\n Give the birthday of the citizen in the format YYYYMMDD: ");
scanf("%ld",&s[i].birthday);
printf("\n Give the ID of the family of the citizen: ");
scanf("%d",&s[i].id_family);
printf("\n Changed succesfully.");
return; }
printf("\n The change didn't happened.");
}
}
void permit(){
int permission;
struct birthday bday;
struct citizen s[50];
int age[nr_people];
SYSTEMTIME d;
GetLocalTime(&d);
for(int i=0;i<nr_people;i++){
if(bday.month>d.wMonth||(bday.month==d.wMonth&&bday.day>=d.wDay)){
age[i]=d.wYear-bday.year;
}
else{
age[i]=d.wYear-bday.year-1;
}
}
char *name;
char *lname;
char *chosenperson;
int id_family;
int i;
int apply=0;
int familymembers=0;
printf("Put your name: ");
scanf("%s",&name);
printf("Put your lname: ");
scanf("%s",&lname);
for (i=0;i<nr_people;i++){
if((strstr(name,s[i].name)==0&&strstr(lname,s[i].lname)==0&&age[i]>=18)){
printf("Your name is on the list and you are in the age to apply");
id_family=s[i].id_family;
apply=1;
}
}
if(apply==0){
printf("Your name is not on the list or you are not in the age to apply");
return;
}
struct citizen tmp;
for(i=0;i<nr_people;i++){
if(id_family==s[i].id_family){
tmp=s[50];
familymembers++;
}
}
for(i=0;i<familymembers;i++){
printf("%d. name: %10s",i+1,tmp.name);
}
apply=0;
printf("Give the name of the person from your family that you want to apply: ");
scanf("%s",chosenperson);
printf("\nYou chose: ");
for(i=0;i<familymembers;i++){
if(strstr(chosenperson,tmp.name)==0){
printf("%s",tmp.name);
apply=1;
}
}
if(apply==0){
printf("\nThe selected name is not on the list");
return;
}
printf("\nChose a time between 8:00 and 17:00: ");
float timez;
int hour;
int minute;
scanf("%f",&timez);
if(timez>=8.00&&timez<=17.00){
hour=timez;
minute=(timez-hour)*100;
if(minute>59){
printf("Minutes are placed wrong");
return;
}
printf("\nYour application to go out from %f to %f is accepted!",timez,timez+2);
permission=1;
}
else{
printf("You have chosen the wrong time");
return;
}
}
void control(){
permit();
struct citizen s[50];
SYSTEMTIME d;
GetLocalTime(&d);
int g=permission;
for(int i=0;i<nr_people;i++){
if(g==1){
printf("\n The citizen with IDNR: %s Date: %d/%d/%d Time: %d.%d has applied to go outside",s[nr_people].idnr,d.wYear,d.wMonth,d.wDay,hour,minute);
}
}
}
void save(){
struct citizen s[50];
FILE *f;
f=fopen("detyra_day.dat","w");
if (f==NULL){
printf("\n Error on the file");
return;
}
for(int i=0;i<nr_people; i++){
fwrite(&s[i],sizeof(struct citizen),1,f);
}
}
int main(){
char selection;
do{
printf("\n=============================");
printf("\n 1 - Read and print the data from the file detyra_day.dat");
printf("\n 2 - Add a citizen");
printf("\n 3 - Change a citizen");
printf("\n 4 - Create a Permit to go outside");
printf("\n 5 - Control the permission");
printf("\n 6 - Save");
printf("\n 7 - Print all Permissions to go outside for all citizens and families");
printf("\n 8 - Print the list of 10 citizens that asked for the permission the most and 10 that asked the least (exclude the ones that didn't asked at all)");
printf("\n 9 - Exit");
printf("\n-----------------------------");
printf("\n Zgjedhja : ");
selection=getch();
switch(selection){
case '1':
readPeopleInfo();
break;
case '2':
add();
break;
case '3':
change();
break;
case '4':
permit();
break;
case '5':
control();
break;
case '6':
save();
break;
case '9':
exit(0);
}
getch();
} while(selection!='9');
return 0;
}
在我按下 Run 并尝试读取并打印数字 1 后，它会将每个人打印为 1，而不是像结构所说的那样。例如我想这样打印：
IDNR: H65328040Q
Name: Azbie
Lname: Gockaj
Birthday (YYYYMMDD format):19760328
ID_Family: 1
相反，我得到：
INDR: Name: Lname: Birthday: ID_Family:
然后每个人都订购了
This is the detyra_day.dat file
H65328040Q Azbie Gockaj 19760328 1
J70507042S Ledion Celaj 19970507 1
G70312202S Pellumb Osmani 19670312 2
H45827189P Albina Osmani 19740827 2
【问题讨论】：
-
欢迎来到 Stack Overflow。请阅读the help pages，接受SO tour，阅读How to Ask，以及this question checklist。还请学习如何创建minimal reproducible example，重点放在minimal 部分。最后请学习如何使用调试器。
-
请将
data.dat作为 text 发布在此处的代码块中 [vs.链接到图像]。这样，响应者可以下载您的程序和数据文件，并在他们选择时运行它。否则，任何希望这样做的人都必须手动输入数据[这是他们不太可能想要做的事情]。 -
它在哪个部分崩溃了，开始调试它并找到它崩溃的行...不要从发布整个作业开始，期望 stackOverflow 为您调试它以获得调试器...
-
错误是你的数据文件是文本，但是你的代码在做二进制I/O。
-
OT：为了便于阅读和理解：请始终缩进代码。在每个左大括号“{”之后缩进，在每个右大括号“}”之前取消缩进。建议每个缩进级别为 4 个空格。