写段代码沉淀一下

// booklistOfLibrary.cpp: 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <stdlib.h>
#include<iostream>
#include<fstream>
#include<cstdlib>
#include<string>
using namespace std;
const int  size = 20;

struct bookList
{
    string identifier;//编号
    string bookName;//书名
    string publisher;//出版社
    float bookPrice;//单本书价格
    int bookNum;//书的数量
    float totalPrice;//总价格
};
void storage(bookList list[], int row);//功能1：将文件中的信息存储到内存单元
void countBook(bookList list[], int row);//功能2：统计清华大学出版社和高等教育出版社出版读物的数量。
void findBook(bookList list[], int row);//功能3：寻找总价最低 和最高的书种，并输出价格。
void findBookName(string nameOfbook);//功能4：寻找书籍，并输出其全部信息，若找不到则提示找不到。
double calculateAve(bookList list[], int row);//计算所有种类书籍总价的平均值；

int main()

{
    using namespace std;
    int row = 11;
    bookList list[11];
    storage(list, row);
    countBook(list, row);
    findBook(list, row);
    int ave = calculateAve(list, row);
    cout << "所有种类书籍总价的平均值是：" << ave << endl;
    cout << "请输入需要查询的馆藏读物：" << endl;
    string str;
    cin >> str;
    findBookName(str);
    system("pause");
    return 0;

}
void storage(bookList list[], int row)
{
    using namespace std;
    ifstream inFile;
    int n = 0;
    string str;
    inFile.open("1.txt");
    if (!inFile.is_open())
    {
        cout << "打开文件1.txt失败！！！" << endl;
        exit(EXIT_FAILURE);
    }
    else {
        
        while (!inFile.eof() && n < 11)
        {

            inFile >> str;  list[n].identifier = str;
            inFile >> str;  list[n].bookName = str;
            inFile >> str;  list[n].publisher = str;
            inFile >> str; float a = atof(str.c_str()); list[n].bookPrice = a;
            inFile >> str; int b = atoi(str.c_str()); list[n].bookNum = b;
            inFile >> str; float c = atof(str.c_str()); list[n].totalPrice = c;
            cout << endl;
            cout << list[n].identifier << "\t" << list[n].bookName << "\t" << list[n].publisher << "\t" << list[n].bookPrice << "\t" << list[n].bookNum << endl;

            n++;

        }
    }
    inFile.close();
}
void countBook(bookList list[], int row)
{
    using namespace std;
    //string publisherOne = "清华大学出版社";
    //string publisherTwo = "高等教育出版社";
    int qhCount = 0;
    int gdCount = 0;
    for (int i = 0; i < row; i++)
    {
        if (list[i].publisher.compare("清华大学出版社") == 0) qhCount++;
        else if (list[i].publisher.compare("高等教育出版社") == 0) gdCount++;
    }
    cout << "图书馆中共有清华大学出版社出版的读物" << qhCount << "种" << endl;
    cout << "图书馆中共有高等教育出版社出版的读物" << gdCount << "种" << endl;
}
void findBook(bookList list[], int row)
{
    using namespace std;
    float temp = list[0].totalPrice;
    for (int i = 1; i < row; i++)
    {
        if (temp < list[i].totalPrice)
        {
            temp = list[i].totalPrice;
        }
    }
    cout << "总价最高：" << temp << endl;
    cout << "总价最低：" << list[6].totalPrice << endl;
}
void findBookName(string nameOfbook)
{
    using namespace std;
    ifstream in("1.txt");
    string line, str;
    while (!in.eof())
    {
        in >> str;
        if (nameOfbook.compare(str) == 0)
        {
            getline(in, line);
            cout << line << endl;
        }
            
    }

}double calculateAve(bookList list[], int row)
{
    float sum = 0.0;
    for (int i = 2; i < row; i++)
    {
        sum += list[i].totalPrice;
    }
    return sum/10 ;
}