학생 관리 시스템 (간이) (소스 코드)

main. c 파일

/*·1.   
	2.        
			//               
	3.   				*/

#include "Mylist.h" 

void menu();/*     ----->        ,    */

struct Node *list;	

void keyDown();/*     :       ，    */

int main(int argc, char *argv[]) {
	list = createList();
	readInfoFromFile(list, "1.txt");
	while(1){
		menu(); 
		keyDown();
		system("pause");
		system("cls");
	}

//	      
//	struct Node*list = creatList();
//	insertNodeByHead(list, 1); 
//	insertNodeByHead(list, 3); 
//	insertNodeByHead(list, 2); 
//	insertNodeByHead(list, 4);
//	printList(list);
//	printf("      ：
");
//	deleteAppoinNode(list, 3);
//	printList(list);
//	printf("     ：
");
//	printf("%d
", searchInfoByData(list, 2)->data); 
	system("pause");
	return 0;
}

void menu()
{
	/*          */ 
	printf("--------------【      】-----------------
");
	printf("\t\t0.     
");	
	printf("\t\t1.     
");
	printf("\t\t2.     
");
	printf("\t\t3.     
");
	printf("\t\t4.     
");
	printf("\t\t5.     
");
	printf("-----------------------------------------------
");	
}


void keyDown()
{
	int choice = 0;
	struct student data;
	struct Node *pMove = NULL;
	scanf("%d", &choice);
	switch(choice){
		case 0:
			printf("    
");
			system("pause");
			exit(0); 
				break;
		case 1:
			printf("----------------【    】----------------
"); 
			/*    */ 
			printf("       ,  ，  ，  :");
			fflush(stdin);/*     */ 
			scanf("%s%d%s%s",data.name, &data.age,  data.sex,  data.tel ) ; 
			insertNodeByHead(list, data);
				break;
		case 2:
			printf("----------------【    】-------------------
"); 
			printList(list);/*    */ 
			break;
		case 3:
			printf("----------------【    】-------------------
");
			printf("            ：");
			scanf("%s", data.name);
			modification(list, data.name);
			break;
		case 4:
			printf("----------------【    】-------------------
");
			printf("          ：");
			scanf("%s", data.name);
			deleteAppoinNode(list, data.name); 			
			break;
		case 5:
			printf("----------------【    】-------------------
");
			printf("           ：");
			scanf("%s", data.name);
			pMove = searchInfoByData(list, data.name);
			if((pMove) == NULL){
				printf("       !
");
				system("pause");
			} 
			else{
				printf("  \t  \t  \t  
");
				printf("%s\t%d\t%s\t%s
", pMove->data.name, pMove->data.age,  pMove->data.sex,  pMove->data.tel );
			}
			break;
		default:
			printf("    ，    
");
			system("pause");/*    */ 
			break;
	} 
	writeInfoToFile(list, "1.txt");
}

Mylist. h 파일

#include 
#include 		/*    */
#include 

struct student{
	char name[50];
	int age;
	char sex[5];
	char tel[20];
};

//       
//                 ，           
//         

struct Node{
	/*int data*/
	struct student data;
	struct Node*next;
};


/*   */ 
struct Node *createList(){
	/*          */ 
	/*  --->          */ 
	struct Node *headNode = (struct Node *)malloc(sizeof(struct Node));
	/*  ：           data      */ 
	headNode->next = NULL;

	return headNode;
} 

/*    */ 
struct Node* createNode(struct student data){
	struct Node*newNode = (struct Node*)malloc(sizeof(struct Node));
	newNode->data = data;
	newNode->next = NULL;
	return newNode; 		
} 

/*    */
void insertNodeByHead(struct Node*headNode, struct student data){
	struct Node*newNode = createNode(data);
	/*     */
	newNode->next = headNode->next;
	headNode->next = newNode; 
} 

/*    */
void deleteAppoinNode(struct Node*headNode,  char*name){
	//struct student 
	struct Node*posNode = headNode->next;
	struct Node*posFrontNode = headNode;
	if(posNode == NULL){
		printf("    ，    ！
");
		return;
	}
	/*      ，   ：strcmp */ 
	while(strcmp(posNode->data.name, name)){
		posFrontNode = posNode;
		posNode = posFrontNode->next;
		if(posNode ==NULL){
			printf("           ！
");
			return ;
		}
	}
	/*   */
	posFrontNode->next = posNode->next;
	free(posNode);
} 

/*     ：     */
void readInfoFromFile(struct Node*headNode, char *fileName){
	/* 1.   */ 
	FILE *fp;
	struct student data;/*      data  ，       */ 
	fp = fopen(fileName, "r");/*            */ 
	if(fp == NULL){
		fp = fopen(fileName, "w+");/*          */
	}
	/*2.    */
	/*      data  ，       */
		/*         */ 
	while(fscanf(fp, "%s\t%d\t%s\t%s
", data.name, &data.age, data.sex, data.tel) != EOF){
						/*   \t*/       /*       */ 
		insertNodeByHead(headNode, data);	
	} 
	/* 3.    */
	fclose(fp); 
} 

/*     ：     */
void writeInfoToFile(struct Node*headNode, char*fileName){
	FILE *fp;
	fp = fopen(fileName, "w");/*      */ /*w+      */ 
	if(fp == NULL){
		printf("      ！");
		return ; 
	}
	struct Node *pMove = headNode->next;
	while(pMove){
		fprintf(fp, "%s\t%d\t%s\t%s
", pMove->data.name, pMove->data.age,  pMove->data.sex,  pMove->data.tel);
		pMove = pMove->next;
	}
	fclose(fp);
}
/*    */ 	/*   */ 
struct Node *modification (struct Node* headNode, char* name){
	struct student data;
	deleteAppoinNode(headNode, name);
	printf("         ,  ，  ，  :");
	fflush(stdin);/*     */ 
	scanf("%s%d%s%s",data.name, &data.age,  data.sex,  data.tel ) ; 
	insertNodeByHead(headNode, data); 
}
 
/*    */
struct Node *searchInfoByData(struct Node* headNode, char *name){
	struct Node *pMove = headNode->next;
	while(strcmp(pMove->data.name, name)){
		pMove = pMove->next;
		if(pMove == NULL){
			return NULL;
		}
	}
	return pMove;
} 

/*    */
void printList(struct Node*headNode){
	struct Node*pMove = headNode->next;
	/*        */ 
	printf("  \t\t  \t  \t  
");
	while(pMove){
		printf("%s\t\t%d\t%s\t%s
", pMove->data.name, pMove->data.age,  pMove->data.sex,  pMove->data.tel );
		pMove = pMove->next;
	}
	printf("
");
}