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学生宿舍管理系统.docx
#include
#include
#include
using namespace std;
typedef struct student {
unsigned m_id;
string m_name;
unsigned m_age;
string m_sex;
string m_address;
string m_contact;
string m_dormitory;
struct student *m_next;
}student;
class CStudent {
private :
student *head;
public :
CStudent() {
head = new student;
head->m_id = 0;
head->m_name = "noname";
head->m_next = NULL;
}
~CStudent() {
student *p = head,*q;
while(p) {
q = p;
p = q->m_next;
delete q;
}
}
student readdata(int model); // model = 1:读取号 2:读取姓名其读取所信息
void entering();
bool insert(const student &astu);
student *findid(unsigned id) const;
student *findname(const string &name) const;
student *findsex(const string &sex) const;
student *finddormitory(const string &dormitory) const;
unsigned boys() const;
unsigned girls() const;
unsigned headcount() const;
bool eraseid();
bool erasename();
bool modifyid();
bool modifyname();
void Show() const;
void query() const;
void friend statistics(const CStudent &aclss);
void friend erase(CStudent &aclss);
void friend modify(CStudent &aclss);
};
string readstring() {
string str;
while(cin.get() != '\n');
cin >> str;
return str;
}
号: "; cin >> tmp.m_id; }
名: "; tmp.m_name = readstring(); }
别: ";
student CStudent::readdata(int model) {
student tmp;
if(model != 1) { cout << "
if(model != 2) { cout << "姓
cin >> tmp.m_age;
cout << "性
tmp.m_sex = readstring();
cout << "住
tmp.m_address = readstring();
cout << "联系式: ";
tmp.m_contact
cout << "寝
tmp.m_dormitory = readstring();
return tmp;
=readstring();
室: ";
址: ";
}
void CStudent::entering() {
student tmp;
cout << "号(0 to return): ";
cin >> tmp.m_id;
while(tmp.m_id) {
if(findid(tmp.m_id) == NULL) {
cout << "姓
tmp.m_name = readstring();
cout << "
龄: ";
名: ";
址: ";
室: ";
别: ";
cin >> tmp.m_age;
cout << "性
tmp.m_sex = readstring();
cout << "住
tmp.m_address = readstring();
cout << "联系式: ";
tmp.m_contact = readstring();
cout << "寝
tmp.m_dormitory = readstring();
insert(tmp);
}
else cout << "重复号:" << tmp.m_id << endl;
cout << "号(0 to return): ";
cin >> tmp.m_id;
}
}
student *CStudent::findid(unsigned id) const {
student *p;
for(p = head; p->m_next; p = p->m_next)
if(p->m_next->m_id == id) return p;
return NULL;
}
student *CStudent::findname(const string &name) const {
student *p;
for(p = head; p->m_next; p = p->m_next)
if(p->m_next->m_name == name) return p;
return NULL;
}
student *CStudent::findsex(const string &sex) const {
student *p;
for(p = head; p->m_next; p = p->m_next)
if(p->m_next->m_sex == sex) return p;
return NULL;
}
student *CStudent::finddormitory(const string &dormitory) const {
student *p;
for(p = head; p->m_next; p = p->m_next)
if(p->m_next->m_dormitory == dormitory) return p;
return NULL;
}
bool CStudent::insert(const student &astu) {
student *newnode,*p = head;
if(p->m_next == NULL) {
p->m_next = new student(astu);
p->m_next->m_next = NULL;
return true;
}
while(p->m_next) {
if(p->m_next->m_id == astu.m_id) {
cout << "重复号插入失败!\n";
return false;
}
if(p->m_next->m_id > astu.m_id) {
newnode = new student(astu);
newnode->m_next = p->m_next;
p->m_next = newnode;
return true;
}
p = p->m_next;
}
p->m_next = new student(astu);
p->m_next->m_next = NULL;
return true;
}
unsigned CStudent::boys() const {
unsigned cnt = 0;
student *p;
for(p = head->m_next; p; p = p->m_next)
if(p->m_sex == "男") ++cnt;
return cnt;
}
unsigned CStudent::girls() const {
unsigned cnt = 0;
student *p;
for(p = head->m_next; p; p = p->m_next)
if(p->m_sex == "") ++cnt;
return cnt;
}
unsigned CStudent::headcount() const {
unsigned cnt = 0;
student *p;
for(p = head->m_next; p; p = p->m_next,++cnt);
return cnt;
}
bool CStudent::eraseid() {
student *q,*p;
unsigned id;
cout << "输入要删除号:";
cin >> id;
p = findid(id);
if(p == NULL) {
cout << "没找号\"" << id << "\"删除失败!\n";
return false;
}
q = p->m_next;
p->m_next = q->m_next;
delete q;
return true;
}
bool CStudent::erasename() {
student *q,*p;
string name;
cout << "输入要删除姓名:";
name = readstring();
p = findname(name);
if(p == NULL) {
cout << "没找姓名\"" << name << "\"删除失败!\n";
return false;
}
q = p->m_next;
p->m_next = q->m_next;
delete q;
return true;
}
bool CStudent::modifyid() {
student tmp,*p;
unsigned id;
cout << "输入要修改号:";
cin >> id;
p = findid(id);
if(p == NULL) {
cout << "没找号\"" << id << "\"修改失败!\n";
return false;
}
tmp = readdata(1);
tmp.m_id = id;
*p = tmp;
return true;
}
bool CStudent::modifyname() {
student *p,tmp;
string name;
cout << "输入要修改姓名:";
name = readstring();
p = findname(name);
if(p == NULL) {
cout << "没找姓名\"" << name << "\"修改失败!\n";
return false;
}
tmp = readdata(2);
tmp.m_name = name;
*p = tmp;
return true;
}
int menu() {
int choice;
do {
system("cls");
cout << "\t****************************\n";
cout << "\t* 基本信息管理系统 *\n";
cout << "\t*==========================*\n";
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t*
cout << "\t****************************\n";
cout << "\n\t 请选择:";
cin >> choice;
}while(choice < 0 || choice > 7);
1、录入信息
2、显示信息
3、查询信息
4、添加信息
5、统计信息
6、删除信息
7、修改信息
0、退管理系统
*\n";
*\n";
*\n";
*\n";
*\n";
*\n";
*\n";
*\n";
return choice;
}
void show(student *p) {
cout << p->m_id << " " << p->m_name << " " << p->m_age << " ";
cout << p->m_sex << " " << p->m_address << " ";
cout << p->m_contact << " " << p->m_dormitory << endl;
}
void CStudent::Show() const {
student *p;
cout << "----------------------------------------------------------\n";
for(p = head->m_next; p; p = p->m_next) show(p);
cout << "----------------------------------------------------------\n";
system("pause");
}
void CStudent::query() const {
int select;
unsigned id;
string name;
student *p;
cout << "1、按号查询\n2、按姓名查询\n0、返\n";
cin >> select;
switch(select) {
case 1 : cout << "请输入号:"; cin >> id;
if(p = findid(id)) show(p->m_next);
break;
case 2 : cout << "请输入姓名:"; name = readstring();
if(p = findname(name)) show(p->m_next);
break;
case 0 : return;
default : cout << "选择错误\n";
}
system("pause");
}
void statistics(const CStudent &a) {
unsigned total = a.headcount();
unsigned boys = a.boys();
unsigned girls = a.girls();
cout << "总数:" << total << "\n";
cout << "其男:" << boys << "名";
cout << ":" << girls << "名\n";
system("pause");
}
void erase(CStudent &a) {
int select;
unsigned id;
string name;
student *p,*q;
cout << "1、按号删除\n2、按姓名删除\n0、返\n";
cin >> select;
switch(select) {
case 1 : cout << "请输入号:"; cin >> id;
if(p = a.findid(id)) {
q = p->m_next;
p->m_next = q->m_next;
delete q;
cout << "功删除 " << id << " 信息\n";
}
break;
case 2 : cout << "请输入姓名:"; name = readstring();
if(p = a.findname(name)) {
q = p->m_next;
p->m_next = q->m_next;
delete q;
cout << "功删除 " << name << " 信息\n";
}
break;
case 0 : return;
default : cout << "选择错误\n";
}
system("pause");
}
void modify(CStudent &a) {
int select;
cout << "1、按号修改\n2、按姓名修改\n0、返\n";
cin >> select;
switch(select) {
case 1 : if(a.modifyid()) cout << "修改功\n"; break;
case 2 : if(a.modifyname()) cout << "修改功\n"; break;
case 0 : return;
default : cout << "选择错误\n";
}
system("pause");
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