学生基本信息管理系统

[管理信息基本概念是什么呢]1、定义管理信息（management information）是组织在管理活动过程中收集的，经过加工处理后，对组织的决策产生影响的各种数据的总称。 2、作用是管理活动的基础和核心，有利于系统...+阅读

学生基本信息管理系统

#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：不读取学号，2：不读取姓名，其他，读取所有信息 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;}student CStudent::readdata(int model) { student tmp; if(model != 1) { cout >tmp.m_id; } if(model != 2) { cout >tmp.m_age; cout >tmp.m_id; while(tmp.m_id) { if(findid(tmp.m_id) == NULL) { cout >tmp.m_age; cout >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 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 == ＂女＂) ++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 >id; p = findid(id); if(p == NULL) { cout m_next; p->m_next = q->m_next; delete q; return true;}bool CStudent::erasename() { student *q,*p; string name; cout m_next; p->m_next = q->m_next; delete q; return true;}bool CStudent::modifyid() { student tmp,*p; unsigned id; cout >id; p = findid(id); if(p == NULL) { cout >choice; }while(choice 7); return choice;}void show(student *p) { cout m_id m_name m_age m_sex m_address m_contact m_dormitory m_next; p; p = p->m_next) show(p); cout >select; switch(select) { case 1 : cout >id; if(p = findid(id)) show(p->m_next); break; case 2 : cout m_next); break; case 0 : return; default : cout >select; switch(select) { case 1 : cout >id; if(p = a.findid(id)) { q = p->m_next; p->m_next = q->m_next; delete q; cout m_next; p->m_next = q->m_next; delete q; cout >select; switch(select) { case 1 : if(a.modifyid()) cout

学生信息管理系统

//参考时候记得删除此行，by jeanhonk.顺便踩下我空间~ // #include#include#include#define NN 51 // 是学生人数上限。可自己调整。 #define SCMAX 50 // 课程数上限 int SCLoad; typedef struct student{ char no[10]; char name[11]; double score[SCMAX]; double total; double avg; }; student stu[NN+1]; int display(int n,int m,int SC) //综合显示函数。 { int i,j,temp,flag=0; temp=n; n>m?n=m,m=temp:1 ; printf（＂序号 | 学号 | 姓名 |＂）； for(j=1;j