C++实现简单版图书管理系统
#include
#include
using namespace std;
#define MAX 1000
struct Person{
string name;
int price;
string number;
};
struct Arraybooks {
struct Person book[MAX];
int length;
};
void mean();
int outSystem();
void addBooks(Arraybooks * abs);
void dalateBooks(Arraybooks * abs);
int isExist(Arraybooks *abs , string name);
void CheckBook(Arraybooks * abs);
void cleanbooks(Arraybooks * abs);
void showbooks(Arraybooks*abs);
void changebooks(Arraybooks * abs);
int main(){
int x;
Arraybooks abs;
abs.length = 0;
while(true) {
mean();
cin >> x;
switch (x) {
case 1:
addBooks(&abs);
break;
case 2:
dalateBooks(&abs);
break;
case 3:
CheckBook(&abs);
break;
case 4:
cleanbooks(&abs);
break;
case 5:
changebooks(&abs);
break;
case 6:
showbooks(&abs);
break;
case 0:
outSystem();
break;
}
}
return 0;
}
void addBooks(Arraybooks *abs){
if(abs->length >= MAX){
cout << "书籍已满" << endl;
}else {
string name;
cout << "请输入书籍的名字: " << endl;
cin >> name;
abs->book[abs->length].name = name;
int price;
cout << "请输入书的价格： " << endl;
cin >> price;
abs->book[abs->length].price = price;
string num;
cout << "请输入书的编号： " << endl;
cin >> num;
abs->book[abs->length].number = num;
abs->length++;
cout << "添加成功" << endl;
}
}
int isExist(Arraybooks *abs , string name){
for (int i = 0; i < abs->length; ++i) {
if(abs->book[i].name == name){
return i;
}
}
return -1;
}
void dalateBooks(Arraybooks * abs){
cout << "请输入你要删除的书籍" << endl;
string name;
cin >> name;
int ret = isExist(abs ,name);
if(ret != -1){
for(int i = 0;i < abs->length;i++){
abs->book[i].name = abs->book[i + 1].name;
abs->length--;
}
cout << "删除成功" << endl;
}else{
cout << "查无此书" << endl;
}
}
void CheckBook(Arraybooks * abs){
cout << "输入你要查找的书籍" << endl;
string name;
cin >> name;
int ret = isExist(abs , name);
if(ret != -1){
cout << "书名为：" << abs->book[ret].name << " ";
cout << "书价格为：" << abs->book[ret].price << " ";
cout << "书编号为：" << abs->book[ret].number << endl;
}
else{
cout << "查无此书" << endl;
}
}
void cleanbooks(Arraybooks * abs){
abs->length = 0;
cout << "清理完成" << endl;
}
void changebooks(Arraybooks * abs){
cout << "输入你要修改的图书" << endl;
string name;
cin >> name;
int ret = isExist(abs , name);
if(ret != -1){
cout << "请输入名字： " << endl;
string name;
cin >> name;
abs->book[ret].name = name;
cout << "请输入价格： " << endl;
int price;
cin >> price;
abs->book[ret].price = price;
cout << "请输入编号: " << endl;
string num;
cin >> num;
abs->book[ret].number = num;
}else{
cout << "查无此书" << endl;
}
}
void showbooks(Arraybooks*abs){
if(abs->length == 0){
cout << "书架为空"<< endl;
}else{
for (int i = 0; i < abs->length; ++i) {
cout << "书籍名字 ： " <
cout << "书籍价格 ： " <
cout << "书籍编号 ： " << abs->book[i].number < } } } int outSystem(){ cout << "欢迎下次使用" << endl; return 0; } void mean(){ cout << "*************************" << endl; cout << "*******1、加入图书********" << endl; //OK cout << "*******2、按名删除图书*****" << endl;//OK cout << "*******3、按名查找图书*****" << endl;//OK cout << "*******4、清空图书架*******" << endl;//OK cout << "*******5、修改图书名*******" << endl; cout << "*******6、显示图书架*******" << endl;//OK cout << "*******0、退出系统*********" << endl; //OK cout << "**************************" << endl; }