你能幫我提高我的代碼......這是關於學生信息......我在語法上遇到了麻煩......在編輯菜單中...我嘗試使用strcmp,但沒有任何反應,我首先使用fgets並將其存儲在一個數組中,然後詢問用戶輸入並將其再次存儲在另一個數組中..然後我會比較...但它沒有工作..希望你能幫助我。 ..這是我的代碼..學生信息文件處理
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
struct student{
char name[30];
char id[8];
char course[5];
};
int main(void){
int option =0;
while(option!=6){
system("cls");
printf("Menu:\n");
printf("[1] Add Student.\n");
printf("[2] Display Student.\n");
printf("[3] Delete Student.\n");
printf("[4] Delete Student.\n");
printf("[5] Exit.\n");
scanf("%d",&option);
switch(option)
{
case 1:
addStudent();
break;
case 2:
displayinfo();
break;
case 3:
break;
case 4:
break;
default:
printf("That is not in the options!\nPlease Try again!\n");
break;
}
}
}
addStudent(){
int i;
FILE *stream = NULL;
stream = fopen("studentinfo.txt", "a+");
struct student s1;
struct student array[3];//here i wnt 2 apply d malloc but, still didn't know how 2start
for (i =0; i<1; i++){
printf("Enter Student ID: ");
scanf("%s", s1.id);
fflush(stdin);
printf("Enter Student Name: ");
gets(s1.name);
fflush(stdin);
printf("Enter Student Course: ");
scanf("%s", s1.course);
fprintf(stream, "\n%s,\t%s,\t%s", s1.id, s1.name, s1.course);
}
fclose(stream);
getch();
}
displayinfo(){
FILE *stream = NULL;
stream = fopen("studentinfo.txt", "rt");
char arr[100];
int i=0;
while(!feof(stream)){
fgets(arr, 100, stream);
printf("%s", arr);
}
fclose(stream);
getch();
}
這是我在編輯菜單計劃:
printf("enter details: ");
gets(arr2);
while(!feof(stream)){
fgets(arr, 100, stream);
if(strcmp(arr, arr2)==0){
//code here
}
}
將這項工作?
感謝球員希望你能幫助我^ _^
這是你的功課?然後用家庭作業標籤標記您的問題 – fardjad 2010-12-03 10:50:39
您是否在嘗試運行代碼之前詢問它是否可行? – 2010-12-03 10:53:11