项目52-XML解析的银行管理系统

#include <iostream>#include <string>#include"tinyxml.h"#include"tinystr.h"using namespace std;class Account{public:Account(string a,string b,double bal);virtual void saving(double a);//虚基类 存款virtual void getOutMoney(double a);//取款virtual void showAccountInfo();//显示账户信息string getId();//获取账号double getbalance(){return balance;}public:string Account_name;//账号属性string name;//存款人姓名double balance;//余额int type1;class Account *next;};/*---------------------------------------------------------------------------*/class NormalAccount:public Account//普通账户{public:NormalAccount(string a,string b,double bal):Account(a,b,bal){}void getOutMoney(double a);void showAccountInfo();};/*---------------------------------------------------------------------------*/class VIPAccount:public Account//VIp储户{public:VIPAccount(string a,string b,double bal,double d,double e):Account(a,b,bal),tzsx(d),tzze(e){type1=1;}void getOutMoney(double a);void showAccountInfo();double gettzsx(){return tzsx;}double gettzze(){return tzze;}private:double tzsx;//透支上限double tzze;//透支总额};/*------------------------------------------------------------------------------------------------*/Account::Account(string a,string b,double bal)//基类Accout的成员函数{Account_name = a;name = b;balance = bal;type1=0;}void Account::saving(double a){balance = balance + a;}void Account::getOutMoney(double a){if(a > balance)cout<<"余额不足"<<endl;else{balance = balance - a;cout << "已取出" << a << "元，余额还有" <<balance<<"元"<<endl;}}void Account::showAccountInfo(){cout << "用户账号:" << Account_name << endl;cout << "开户姓名:" << name <<endl;cout << "账户余额:" << balance <<endl;}string Account::getId(){return Account_name;}/*--------------------------------------------------------------------------*/void NormalAccount::getOutMoney(double a)//普通用户{    if(a > balance)cout<<"余额不足"<<endl;else{balance = balance - a;cout << "已取出" << a << "元，余额还有" <<balance<<"元"<<endl;}}void NormalAccount:: showAccountInfo(){    cout<<"用户账号："<<Account_name<<endl;    cout<<"用户姓名："<<name<<endl;    cout<<"账户余额："<<balance<<endl;}/*--------------------------------------------------------------------------*/void VIPAccount::getOutMoney(double a)//VIP用户{if(a >balance + tzsx -tzze)cout<<"不可透支"<<endl;elsebalance = balance - a;}void VIPAccount::showAccountInfo(){cout << "用户账号为:" << Account_name << endl;cout << "开户人姓名:" << name <<endl;cout << "账户余额为:" << balance <<endl;cout << "透支上限为:" << tzsx <<endl;cout << "透支总额为:" << tzze <<endl;}/*-------------------------------------------------------------------------------*/class Bank                             //银行类{public:Bank();//默认构造函数void append1();//生成普通储户void append2();//生成VIP储户void deleteUser();//删除储户void query();//查询储户bool CreateXmlFile();bool ReadXmlFile();Account *getMyAcc(string name);addlist(Account *acc);Account *accountList;private:int accNum;//用户人数double Balance;};Bank::addlist(Account *acc){Account *p;if(accountList==NULL){accountList =acc;acc->next=NULL;}else{p = accountList;while(p){if(p->next==NULL){p->next =acc;acc->next =NULL;}p= p->next;}}}Bank::Bank(){accountList =NULL;return ;}void Bank::append1(){string str1,str2;cout << "请输入普通用户账号(格式为N001)" << endl;cin>>str1;cout << "请输入开户人姓名" << endl;cin>>str2;Account *acc = new NormalAccount(str1,str2,0);cout<<"增加普通账户成功"<<endl;addlist(acc);CreateXmlFile();}void Bank::append2(){string str1,str2;cout << "请输入VIP用户账号(格式为VIP1)" << endl;cin>>str1;cout << "请输入开户人姓名" << endl;cin>>str2;Account *acc = new VIPAccount(str1,str2,0,5000,0) ;cout<<"增加高级账户成功"<<endl;addlist(acc);CreateXmlFile();}void Bank::deleteUser(){    int a=0;string num;cout << "请输入要注销的用户账号" << endl;cin>>num;Account *p,*pre;if (accountList==NULL){        cout<<"无此用户"<<endl;return;}p =pre=accountList;while(p){if(p->getId()==num){              a=1;if(p==accountList){accountList = accountList->next;delete(p);p=NULL;cout<<"删除账户成功"<<endl;}else{pre->next =p->next;delete(p);p=NULL;                cout<<"删除账户成功"<<endl;}}else{pre =p;p= p->next;}}if(a==0)cout<<"没有查到此用户"<<endl;CreateXmlFile();}Account *Bank::getMyAcc(string name){Account *p;p = accountList;while(p){if(p->getId()==name){return p;}p= p->next;}return NULL;}void Bank::query(){string n;cout << "请输入您要查询的用户账号" << endl;cin>>n;int a=0;Account *p;for (p=accountList; p!=NULL; p=p->next){if(p->getId()!=n)        {                continue;        }else{cout<<"当前账号为:";cout<<p-> getId();p->showAccountInfo();a=1;break;}}    if(a==0)        cout<<"无此用户"<<endl;}/*---------------------------------------------------------------------------------*/bool Bank::CreateXmlFile(){//创建xml文件,szFilePath为文件保存的路径,若创建成功返回true,否则falseAccount *p;//创建一个XML的文档对象。remove("account.xml");TiXmlDocument *myDocument = new TiXmlDocument();//创建一个根元素并连接。TiXmlElement *RootElement = new TiXmlElement("Bank");myDocument->LinkEndChild(RootElement);for(p=accountList;p!=NULL;p=p->next){//创建一个Person元素并连接。TiXmlElement *PersonElement = new TiXmlElement("Account");RootElement->LinkEndChild(PersonElement);//设置Person元素的属性。if(p->type1==0)PersonElement->SetAttribute("ID", "normalACC");elsePersonElement->SetAttribute("ID", "vipACC");//创建name元素、age元素并连接。TiXmlElement *AccountElement = new TiXmlElement("account_no");TiXmlElement *NameElement = new TiXmlElement("name");TiXmlElement *MoneyElement = new TiXmlElement("money");PersonElement->LinkEndChild(AccountElement);PersonElement->LinkEndChild(NameElement);PersonElement->LinkEndChild(MoneyElement);//设置name元素和age元素的内容并连接。TiXmlText *accountContent = new TiXmlText((char*)p->getId().data());TiXmlText *nametContent = new TiXmlText((char*)p->name.data());char zz[32];//sprintf(zz,"%f",p->balance);itoa((int)p->balance,zz,10);TiXmlText *moneyContent = new TiXmlText(zz);AccountElement->LinkEndChild(accountContent);NameElement->LinkEndChild(nametContent);MoneyElement->LinkEndChild(moneyContent);}myDocument->SaveFile("account.xml");//保存到文件    return true;}bool Bank::ReadXmlFile(){//读取Xml文件，并遍历//创建一个XML的文档对象。TiXmlDocument *myDocument = new TiXmlDocument("account.xml");if (!myDocument->LoadFile()){accountList =NULL;return 0;}//获得根元素，即Persons。TiXmlElement *RootElement = myDocument->RootElement();//输出根元素名称，即输出Persons。cout << RootElement->Value() << endl;//获得第一个Person节点。TiXmlElement *FirstPerson = RootElement->FirstChildElement();//获得第一个Person的name节点和age节点和ID属性。while(FirstPerson){TiXmlElement *accountElement = FirstPerson->FirstChildElement();    TiXmlElement *NameElement = accountElement->NextSiblingElement();TiXmlElement *moneyElement = NameElement->NextSiblingElement();TiXmlAttribute *IDAttribute = FirstPerson->FirstAttribute();//输出第一个Person的name内容，即周星星；age内容，即；ID属性，即。     Account  *acc ; int money =  atoi(moneyElement->FirstChild()->Value());if(!strcmp(IDAttribute->Value(),"normalACC")){acc  = new NormalAccount( accountElement->FirstChild()->Value(),NameElement->FirstChild()->Value(),money);}else{acc  = new VIPAccount( accountElement->FirstChild()->Value(),NameElement->FirstChild()->Value(),money,0,0);}if(acc!=NULL)addlist(acc);FirstPerson = FirstPerson->NextSiblingElement();}    return true;}int main(){Bank bank;bank.ReadXmlFile();while(1){cout << "?????1.增加账户 2.删除账户 3.查询账户 4.取款存款 5.退出系统?????" << endl;cout << "请选择服务项目:";int n;cin>>n;if(n == 1)             //增加账户{int n;cout << "1.增加普通账户 2.增加高级账户" << endl;cout << "请选择项目：" ;cin>>n;if(n == 1)bank.append1();if(n == 2)bank.append2();}if (n == 2)              //删除账户{bank.deleteUser();}if (n == 3)            //查询账户{bank.query();}if (n == 4){string n;cout<<"请输入您要存取款的账号"<<endl;cin>>n;Account *p=bank.getMyAcc(n);if (p==NULL){cout<<"没有账户"<<endl;}else{int choice;cout<<"1.存款"<<endl;cout<<"2.取款"<<endl;cout<<"请选择"<<endl;cin>>choice;if(choice == 1){double jine;cout<<"请输入存款金额"<<endl;cin >> jine;p->saving(jine);bank.CreateXmlFile();}if(choice==2){double jine;cout<<"请输入取款金额"<<endl;cin>>jine;p->getOutMoney(jine);bank.CreateXmlFile();}p->showAccountInfo();}}if (n == 5)return 0;}return 0;}