项目源码献上(书籍编程借阅语言书名)

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必不可缺的头文件：

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>

（图片来自网络侵删）

#include <stdlib.h>

#include <string.h>

#include <iostream>

#include <list>

using namespace std;

源码分享：

#define _CRT_SECURE_NO_WARNINGS#include <stdio.h>#include <stdlib.h>#include <string.h>#include <iostream>#include <list>using namespace std;//3.数据的设计？//3.1 程序用什么东西处理数据---->容器--->链表//3.2 数据的结构 ---->图书的信息struct bookInfo {char name[20]; //书名float price; //书籍的价格int num; //书的数量};struct Node {struct bookInfo data;struct Node next;};struct Node listBook = NULL;//创建表头：表头就是一个结构体变量//另一个部分：用户信息struct student {char name[20];char tel[20];int curNum;struct bookInfo userBook[3];};list<student> myList;struct Node createHead() {//动态内存申请struct Node headNode = (struct Node)malloc(sizeof(struct Node));//变量的基本规则>? 使用前必须初始化headNode->next = NULL;return headNode;}//创建节点: 为插入做准备//把用户的数据变为结构体变量struct Node createNode(struct bookInfo data){struct Node newNode = (struct Node)malloc(sizeof(struct Node));newNode->data = data;newNode->next = NULL;return newNode;}//插入：只需要一种插入方式void insertNodeByHead(struct Node headNode, struct bookInfo data){struct Node newNode = createNode(data);//必须先连接后断开newNode->next = headNode->next;headNode->next = newNode;}//指定删除//posLeftNode->next=posNode->next;//free(posNode);void deleteNodeByName(struct Node headNode, char bookName) {struct Node posLeftNode = headNode;struct Node posNode = headNode->next;//书籍名字是字符串，字符串比较函数while (posNode != NULL && strcmp(posNode->data.name,bookName)) {posLeftNode = posNode;posNode = posLeftNode->next;}//讨论查找的结果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 printlistBook(struct Node headNode){struct Node pMove = headNode->next;printf("书名\t价格\t数量\n");while (pMove!=NULL){//剥洋葱printf("%s\t%.1f\t%d\n", pMove->data.name, pMove->data.price, pMove->data.num);pMove = pMove->next;}}//1.写界面--->菜单--->模块void makeMenu() {printf("---------------------------------------\n");printf(" xxoo图书管理系统\n");printf("\t0.退出系统\n");printf("\t1.登记书籍\n");printf("\t2.浏览书籍\n");printf("\t3.借阅书籍\n");printf("\t4.归还书籍\n");printf("\t5.书籍排序\n");printf("\t6.删除书籍\n");printf("\t7.查找书籍\n");printf("---------------------------------------\n");printf("请输入(0~7):");}//直接文件操作?//写操作void saveInfoToFile(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);}//文件读操作void readInfoFromFile(const char fileName, struct Node headNode) {FILE fp = fopen(fileName, "r"); //第一次打开文件肯定不存在if (fp == NULL) {//不存在就创建出来这个文件fp = fopen(fileName, "w+");}struct bookInfo tempData;while (fscanf(fp, "%s\t%f\t%d\n", tempData.name, &tempData.price, &tempData.num) != EOF) {insertNodeByHead(listBook, tempData);}fclose(fp);}//算法是一种思想 void bubbleSortlistBook(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) {//交换值struct bookInfo tempData = q->data;q->data = q->next->data;q->next->data = tempData;}}}printlistBook(headNode);}//2.做交互void keyDown() {int userKey = 0;struct bookInfo tempBook; //产生一个临时的变量存储书籍信息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);//关闭掉整个程序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(listBook, tempBook);saveInfoToFile("bookinfo.txt", listBook);break;case 2:printf("【浏览】\n");printlistBook(listBook);break;case 3:printf("【借阅】\n");//书籍存在可以借阅，书籍的总数量-1 不存在借阅失败printf("请输入借阅的书名：");scanf("%s", tempBook.name);result = searchByName(listBook, 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("当前书籍无库存在，借阅失败!\n");}}break;case 4:printf("【归还】\n");//当前书籍的数量+1printf("请输入归还的书名：");scanf("%s", tempBook.name);result = searchByName(listBook, tempBook.name);if (result == NULL){printf("该书来源非法!\n");}else{result->data.num++;printf("书籍归还成功!\n");}break;case 5:printf("【排序】\n");bubbleSortlistBook(listBook);break;case 6:printf("【删除】\n");printf("请输入删除书名:");scanf("%s", tempBook.name);deleteNodeByName(listBook, tempBook.name);saveInfoToFile("bookinfo.txt", listBook);break;case 7:printf("【查找】\n");printf("请输入要查询的书名:");scanf("%s", tempBook.name);result = searchByName(listBook, tempBook.name);if (result == NULL) {printf("未找到相关信息!\n");}else{printf("书名\t价格\t数量\n");printf("%s\t%.1f\t%d\n", result->data.name, result->data.price, result->data.num);}break;default:printf("【 error 】\n");break;}}//easyx inputBox//自己封装一个Editint main() {listBook= createHead();readInfoFromFile("bookinfo.txt", listBook);while (1) {makeMenu();keyDown();system("pause");system("cls");}system("pause");return 0;}

简单效果展示：

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