小型书店进销存管理系统程序实验报告

小型书店进销存管理系统程序实验报告#include<iostream>#include<string>#include<fstream>using namespace std;struct shu_store{ int shuhao;//书编号string shuming;//书名int sale_day;//销售日int shu_amount;//进书量double shu_price;//每本书进价double sale_price;//每本书的售价int sale_amount;//每本书销售量int store_amount;//库存量static double shu_discount;//折扣double day_saleprice;//日销售额double day_profit;//日盈利}shu1;class shu{public:s hu(){}//构造函数v oid shu_input();//进书数据输入v oid shu_add();//增书数据输入v oid sell_check();//书日销售额void month_price_check();//书月销售额v oid shu_check();//查询书数据v oid shu_tell();//书库存查询v oid price_check();//书的财务盈利核对v oid manage();//处理各函数protected:struct shu_store shu1;int check_shuhao;//输入查询书号static int sum;//月销售额};void shu::shu_input()//进书数据输入{ cout<<"所进购书的信息:"<<endl;c out<<"书号:";cin>>shu1.shuhao;cout<<"书名:";cin>>shu1.shuming;c out<<"进书量:";cin>>shu1.shu_amount;c out<<"书进价:";cin>>shu1.shu_price;c out<<"书售价:";cin>>shu1.sale_price;iofile.write((char*)&shu1,sizeof(shu_store));//写入文件}void shu::shu_add()//增书数据输入{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件c out<<"输入书号:";cin>>check_shuhao;if(check_shuhao==shu1.shuhao){cout<<"书号:";cout<<shu1.shuhao<<endl;cout<<"书名:";cout<<shu1.shuming<<endl;c out<<"进书量:";cout<<shu1.shu_amount<<endl;c out<<"书进价:";cout<<shu1.shu_price<<endl;c out<<"书售价:";cout<<shu1.sale_price<<endl;int stu_amount;cout<<"增书量:";cin>>shu_amount;shu1.shu_amount=shu_amount+shu1.shu_amount;cout<<"更新数据:"<<endl;cout<<"所进购书的信息:"<<endl;cout<<"书号:";cout<<shu1.shuhao<<endl;cout<<"书名:";cout<<shu1.shuming<<endl;cout<<"更新后书量:";cout<<shu1.shu_amount<<endl;cout<<"书进价:";cout<<shu1.shu_price<<endl;cout<<"书售价:";cout<<shu1.sale_price<<endl;iofile.write((char*)&shu1,sizeof(shu_store));//写入文件}else{cout<<"it is error!"<<endl;}}void shu::shu_check();//查询书数据{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件c out<<"输入查询的书号:";cin>>check_shuhao;cout<<endl;i f(check_shuhao=shu1.shuhao){cout<<"书号:";cout<<shu1.shuhao<<endl;cout<<"书名:";cout<<shu1.shuming<<endl;cout<<"现在书量:";cout<<shu1.shu_amount<<endl;cout<<"书进价:";cout<<shu1.shu_price<<endl;c out<<"书售价:";cout<<shu1.sale_price<<endl;}c out<<"书销售量:";cin>>shu1.sale_amount;c out<<"书销售日子:";cin>>shu1.sale_day；iofile.write((char*)&shu1,sizeof(shu_store));//写入文件}void shu::shu_tell();//书库存查询{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件c out<<"书号:";cin>>check_shuhao ;if(check_shuhao=shu1.shuhao){if((shu1.shu_amount-shu1.sale_amout)>10){cout{cout<<"书号:";cout<<shu1.shuhao<<endl;cout<<"书名:";cout<<shu1.shuming<<endl;cout<<"现在书量:";cout<<shu1.shu_amount<<endl;cout<<"书进价:";cout<<shu1.shu_price<<endl;cout<<"书售价:";cout<<shu1.sale_price<<endl;cout<<"书销售量:";cout<<shu1.sale_amount<<endl;cout<<"书销售日子:";cout<<shu1.sale_day<<endl;}elsecout<<"库存不足10本书，请补充课本;"<<endl;}}e lsecout<<"没有此书，请重新输入;"<<endl;}double shu_store::shu_discount=0.8;//折扣void shu::sell_check()//书日销售额{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件c out<<"输入书号:";cin>>check_shuhao;if(check_shuhao=shu1.shuhao)cout<<"书的销售量:";cout<<shu1.sale_amount<<endl;static double rate=1.0；if(shu1.sale_amount>10)rate=rate*shu1.shu_discout;{shu1.day_saleprice=(10*shu1.sale_price)+(shu1.sale_amount-10)*rate*shu1.sale_p rice;}elseshu1.day_saleprice=shu1.sale_amount*shu1.sale_price;cout<<"书的日销售额:";cout<<shu1.day_saleprice<<endl;iofile.write((char*)&shu1,sizeof(shu_store));//写入文件}int shu1::sum=0;//月销售额void shu::month_price_check()//书的月销售额{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件c out<<"输入查询的书号:";cin>>check_shuhao;cout<<endl;if(check_shuhao=shu1.shuhao){cout<<"书号:";cout<<shu1.shuhao<<endl;cout<<"书名:";cout<<shu1.shuming<<endl;cout<<"现在书量:";cout<<shu1.shu_amount<<endl;cout<<"书进价:";cout<<shu1.shu_price<<endl;cout<<"书售价:";cout<<shu1.sale_price<<endl;for(int i=0;i<30;i++){ cout<<"书销售量:";cin>>shu1.sale_amount;cout<<"书销售日子:";cin>>shu1.sale_day；static double rate=1.0；if(shu1.sale_amount>10)rate=rate*shu1.shu_discout;{shu1.day_saleprice=(10*shu1.sale_price)+(shu1.sale_amount-10)*rate*shu1.sa le_price;}elseshu1.day_saleprice=shu1.sale_amount*shu1.sale_price;sum=sum+shu1.day_saleprice ;}cout<<"月销售额:";cout<<sum<<endl;}iofile.write((char*)&shu1,sizeof(shu_store));//写入文件}void shu::price_check();//书的财务盈利核对{ iofile.read((char*)&shu1,sizeof(shu_store));//读出文件cout<<"输入书号:";cin>>check_shuhao;if(check_shuhao=shu1.shuhao){ cout<<"书名:";cout<<shu1.shuming<<endl;cout<<"书的销售量:";cout<<shu1.sale_amount<<endl;cout<<"书的销售日子:";cout<<shu1.sale_day<<endl;cout<<"书的日销售额:";cout<<shu1.day_saleprice<<endl;shu1.day_profit=shu1.day_saleprice-shu1.sale_amount*shu1.shu_price;cout<<"书的盈利:";cout<<shu1.day_profit<<endl;}elsecout<<"没有此书，请重新输入;"<<endl;}void shu::manage(){ shu shu2;int number;d o{ cout<<"1.进书数据输入"<<endl;cout<<"2.增书数据输入"<<endl;cout<<"3.书日销售额"<<endl;cout<<"4.书月销售额"<<endl;cout<<"5.查询书数据"<<endl;cout<<"6.书库存查询"<<endl;cout<<"7.书的财务盈利核对"<<endl;cout<<"****输入选择操作数****"<<endl;cin>>number;while( gets()!='\n');switch(number){ case 1:shu2.shu_input();break;case 2:shu2.shu_add();break;case 3:shu2.sell_check();break;case 4:shu2.month_price_check();break;case 5:shu2.shu_check();break;case 6: shu_tell();break;case 7: shu2.price_check();break;}}while(number<=7)}int main(){ fstream iofile("shu1.dat",ios::init);//定义输入输出文件流对象 if(!iofile){cerr<<"open error!"<<endl;exit(1);}shu shu2;shu2.manage();iofile.close();return 0;}。