本文为大家分享了C语言链表实现图书管理系统的具体代码，供大家参考。
实现功能：
用C语言制作图书管理系统，实现图书进行登记书籍，浏览书籍，借阅书籍，归还书籍，书籍排序，删除书籍信息，查找书籍等功能。
功能展示
1.登记书籍
2.浏览书籍
3.借阅书籍
4.归还书籍
5.书籍排序
6.删除书籍
7.查找书籍
8.退出程序
代码如下
#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
struct bookInfo
{
char name[20];
float price;
int num;
};
struct Node
{
struct bookInfo data;
struct Node* next;
};
struct Node* list = NULL;
struct Node* createHead()
{
struct Node* headNode = (struct Node*)malloc(sizeof(struct Node));
headNode->next = NULL;
return headNode;
}
struct Node* createNode(struct bookInfo data)
{
struct Node* newNode = (struct Node*)malloc(sizeof(struct Node));
newNode->data = data;
newNode->next = NULL;
return newNode;
}
void insertNodeByhead(struct Node* headNode, struct bookInfo data)
{
struct Node* newNode = createNode(data);
newNode->next = headNode->next;
headNode->next = newNode;
}
void deleteNodeByName(struct Node* headNode, char *bookName)
{
struct Node* posLeftNode = headNode;
struct Node* posNode = headNode->next;
while (posNode != NULL && strcmp(posNode->data.name, bookName))
{
posLeftNode = posNode;
posNode = posLeftNode->next;
}
if (posNode == NULL)
return;
else
{
printf("删除成功！\n");
posLeftNode->next = posNode->next;
free(posNode);
posNode = NULL;
}
}
struct Node* searchByName(struct Node* headNode, char* bookName)
{
struct Node* posNode = headNode->next;
while (posNode != NULL && strcmp(posNode->data.name, bookName))
{
posNode = posNode->next;
}
return posNode;
}
void printlist(struct Node* headNode)
{
struct Node* pMove = headNode->next;
printf("书名\t价格\t数量\t作者\t出版社\n");
while (pMove!=NULL)
{
printf("%s\t%.1f\t%d\n", pMove->data.name, pMove->data.price, pMove->data.num);
pMove = pMove->next;
}
}
void makeMenu()
{
printf("*************************************\n");
printf("*************图书管理系统************\n");
printf("*——————0.退出系统——————*\n");
printf("*——————1.登记书籍——————*\n");
printf("*——————2.浏览书籍——————*\n");
printf("*——————3.借阅书籍——————*\n");
printf("*——————4.归还书籍——————*\n");
printf("*——————5.书籍排序——————*\n");
printf("*——————6.删除书籍——————*\n");
printf("*——————7.查找书籍——————*\n");
printf("**************************************\n");
printf("请输入(0 ~ 7):");
}
void saveInfoFile(const char* fileName, struct Node* headNode)
{
FILE* fp = fopen(fileName, "w");
struct Node* pMove = headNode->next;
while (pMove != NULL)
{
fprintf(fp, "%s\t%.1f\t%d\n", pMove->data.name, pMove->data.price, pMove->data.num);
pMove = pMove->next;
}
fclose(fp);
}
void readInfoFromFile(const char* fileName, struct Node* headNode)
{
FILE* fp = fopen(fileName, "r");
if (fp == NULL)
{
fp = fopen(fileName, "w+");
}
struct bookInfo tempData;
while (fscanf(fp, "%s\t%f\t%d\n", tempData.name, &tempData.price, &tempData.num) != EOF)
{
insertNodeByhead(list, tempData);
}
fclose(fp);
}
void bubbleSortlist(struct Node* headNode)
{
for (struct Node* p = headNode->next; p != NULL; p = p->next)
{
for (struct Node* q = headNode->next; q->next != NULL; q = q->next)
{
if (q->data.price > q->next->data.price)
{
struct bookInfo tempData = q->data;
q->data = q->next->data;
q->next->data = tempData;
}
}
}
printlist(headNode);
}
void keyDown()
{
int userKey = 0;
struct bookInfo tempBook;
struct Node* result = NULL;
scanf("%d",&userKey);
switch (userKey)
{
case 0:
printf("【退出】\n");
printf("退出成功\n");
system("pause");
exit(0);
break;
case 1:
printf("【登记】\n");
printf("输入书籍的信息(name,price,num):");
scanf("%s%f%d", tempBook.name, &tempBook.price, &tempBook.num);
insertNodeByhead(list, tempBook);
saveInfoFile("bookinfo.txt", list
);
break;
case 2:
printf("【浏览】\n");
printlist(list);
break;
case 3:
printf("【借阅】\n");
printf("请输入借阅的书名:");
scanf("%s", tempBook.name);
result = searchByName(list, tempBook.name);
if (result == NULL)
{
printf("没有相关书籍无法借阅！\n");
}
else
{
if (result->data.num > 0)
{
result->data.num--;
printf("借阅成功！\n");
}
else
{
printf("当前书籍无库存，借阅失败！\n");
}
}
break;
case 4:
printf("【归还】\n");
printf("请输入归还的书名:");
scanf("%s", tempBook.name);
result = searchByName(list, tempBook.name);
if (result == NULL)
{
printf("该书无借出记录\n");
}
else
{
result->data.num++;
printf("书籍归还成功！\n");
}
break;
case 5:
printf("【排序】\n");
bubbleSortlist(list);
break;
case 6:
printf("【删除】\n");
printf("请输入删除书名:");
scanf("%s", tempBook.name);
deleteNodeByName(list, tempBook.name);
saveInfoFile("bookinfo.txt", list);
break;
case 7:
printf("【查找】\n");
printf("请输入要查询的书名:");
scanf("%s", tempBook.name);
result = searchByName(list, tempBook.name);
if (result == NULL)
{
printf("未找到相关信息！\n");
}
else
{
printf("书名\t价格\t数量\t作者\t出版社\n");
printf("%s\t%.1f\t%d\n", result->data.name, result->data.price, result->data.num);
}
break;
default:
printf("【error】\n");
break;
}
}
int main()
{
list= createHead();
readInfoFromFile("bookinfo.txt", list);
while (1)
{
makeMenu();
keyDown();
system("pause");
system("cls");
}
system("pause");
return 0;
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/DAXIEA671025/article/details/121674500
