学员管理系统源码
Ⅰ 学生基本信息管理系统C++源代码
#include<iostream>
#include<iomanip>
#include<string>
usingnamespacestd;
typedefstructstudent{
unsignedm_id;
stringm_name;
unsignedm_age;
stringm_sex;
stringm_address;
stringm_contact;
stringm_dormitory;
structstudent*m_next;
}student;
classCStudent{
private:
student*head;
public:
CStudent(){
head=newstudent;
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;
deleteq;
}
}
studentreaddata(intmodel);//model=1:不读取学号，2:不读取姓名，其他，读取所有信息
voidentering();
boolinsert(conststudent&astu);
student*findid(unsignedid)const;
student*findname(conststring&name)const;
student*findsex(conststring&sex)const;
student*finddormitory(conststring&dormitory)const;
unsignedboys()const;
unsignedgirls()const;
unsignedheadcount()const;
booleraseid();
boolerasename();
boolmodifyid();
boolmodifyname();
voidShow()const;
voidquery()const;
voidfriendstatistics(constCStudent&aclss);
voidfrienderase(CStudent&aclss);
voidfriendmodify(CStudent&aclss);
};
stringreadstring(){
stringstr;
while(cin.get()!=' ');
cin>>str;
returnstr;
}
studentCStudent::readdata(intmodel){
studenttmp;
if(model!=1){cout<<"学号:";cin>>tmp.m_id;}
if(model!=2){cout<<"姓名:";tmp.m_name=readstring();}
cin>>tmp.m_age;
cout<<"性别:";
tmp.m_sex=readstring();
cout<<"住址:";
tmp.m_address=readstring();
cout<<"联系方式:";
tmp.m_contact=readstring();
cout<<"寝室:";
tmp.m_dormitory=readstring();
returntmp;
}
voidCStudent::entering(){
studenttmp;
cout<<"学号(0toreturn):";
cin>>tmp.m_id;
while(tmp.m_id){
if(findid(tmp.m_id)==NULL){
cout<<"姓名:";
tmp.m_name=readstring();
cout<<"年龄:";
cin>>tmp.m_age;
cout<<"性别:";
tmp.m_sex=readstring();
cout<<"住址:";
tmp.m_address=readstring();
cout<<"联系方式:";
tmp.m_contact=readstring();
cout<<"寝室:";
tmp.m_dormitory=readstring();
insert(tmp);
}
elsecout<<"重复的学号:"<<tmp.m_id<<endl;
cout<<"学号(0toreturn):";
cin>>tmp.m_id;
}
}
student*CStudent::findid(unsignedid)const{
student*p;
for(p=head;p->m_next;p=p->m_next)
if(p->m_next->m_id==id)returnp;
returnNULL;
}
student*CStudent::findname(conststring&name)const{
student*p;
for(p=head;p->m_next;p=p->m_next)
if(p->m_next->m_name==name)returnp;
returnNULL;
}
student*CStudent::findsex(conststring&sex)const{
student*p;
for(p=head;p->m_next;p=p->m_next)
if(p->m_next->m_sex==sex)returnp;
returnNULL;
}
student*CStudent::finddormitory(conststring&dormitory)const{
student*p;
for(p=head;p->m_next;p=p->m_next)
if(p->m_next->m_dormitory==dormitory)returnp;
returnNULL;
}
boolCStudent::insert(conststudent&astu){
student*newnode,*p=head;
if(p->m_next==NULL){
p->m_next=newstudent(astu);
p->m_next->m_next=NULL;
returntrue;
}
while(p->m_next){
if(p->m_next->m_id==astu.m_id){
cout<<"重复的学号，插入失败! ";
returnfalse;
}
if(p->m_next->m_id>astu.m_id){
newnode=newstudent(astu);
newnode->m_next=p->m_next;
p->m_next=newnode;
returntrue;
}
p=p->m_next;
}
p->m_next=newstudent(astu);
p->m_next->m_next=NULL;
returntrue;
}
unsignedCStudent::boys()const{
unsignedcnt=0;
student*p;
for(p=head->m_next;p;p=p->m_next)
if(p->m_sex=="男")++cnt;
returncnt;
}
unsignedCStudent::girls()const{
unsignedcnt=0;
student*p;
for(p=head->m_next;p;p=p->m_next)
if(p->m_sex=="女")++cnt;
returncnt;
}
unsignedCStudent::headcount()const{
unsignedcnt=0;
student*p;
for(p=head->m_next;p;p=p->m_next,++cnt);
returncnt;
}
boolCStudent::eraseid(){
student*q,*p;
unsignedid;
cout<<"输入要删除的学号:";
cin>>id;
p=findid(id);
if(p==NULL){
cout<<"没有找到学号是""<<id<<""的学生，删除失败! ";
returnfalse;
}
q=p->m_next;
p->m_next=q->m_next;
deleteq;
returntrue;
}
boolCStudent::erasename(){
student*q,*p;
stringname;
cout<<"输入要删除人的姓名:";
name=readstring();
p=findname(name);
if(p==NULL){
cout<<"没有找到姓名是""<<name<<""的学生，删除失败! ";
returnfalse;
}
q=p->m_next;
p->m_next=q->m_next;
deleteq;
returntrue;
}
boolCStudent::modifyid(){
studenttmp,*p;
unsignedid;
cout<<"输入要修改的学号:";
cin>>id;
p=findid(id);
if(p==NULL){
cout<<"没有找到学号是""<<id<<""的学生，修改失败! ";
returnfalse;
}
tmp=readdata(1);
tmp.m_id=id;
*p=tmp;
returntrue;
}
boolCStudent::modifyname(){
student*p,tmp;
stringname;
cout<<"输入要修改人的姓名:";
name=readstring();
p=findname(name);
if(p==NULL){
cout<<"没有找到姓名是""<<name<<""的学生，修改失败! ";
returnfalse;
}
tmp=readdata(2);
tmp.m_name=name;
*p=tmp;
returntrue;
}
intmenu(){
intchoice;
do{
system("cls");
cout<<" **************************** ";
cout<<" *学生基本信息管理系统* ";
cout<<" *==========================* ";
cout<<" *1、录入学生信息* ";
cout<<" *2、显示学生信息* ";
cout<<" *3、查询学生信息* ";
cout<<" *4、添加学生信息* ";
cout<<" *5、统计学生信息* ";
cout<<" *6、删除学生信息* ";
cout<<" *7、修改学生信息* ";
cout<<" *0、退出管理系统* ";
cout<<" **************************** ";
cout<<" 请选择:";
cin>>choice;
}while(choice<0||choice>7);
returnchoice;
}
voidshow(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;
}
voidCStudent::Show()const{
student*p;
cout<<"---------------------------------------------------------- ";
for(p=head->m_next;p;p=p->m_next)show(p);
cout<<"---------------------------------------------------------- ";
system("pause");
}
voidCStudent::query()const{
intselect;
unsignedid;
stringname;
student*p;
cout<<"1、按学号查询 2、按姓名查询 0、返回 ";
cin>>select;
switch(select){
case1:cout<<"请输入学号:";cin>>id;
if(p=findid(id))show(p->m_next);
break;
case2:cout<<"请输入姓名:";name=readstring();
if(p=findname(name))show(p->m_next);
break;
case0:return;
default:cout<<"选择错误。 ";
}
system("pause");
}
voidstatistics(constCStudent&a){
unsignedtotal=a.headcount();
unsignedboys=a.boys();
unsignedgirls=a.girls();
cout<<"学生总数:"<<total<<"人。 ";
cout<<"其中，男生:"<<boys<<"名。";
cout<<"女生:"<<girls<<"名。 ";
system("pause");
}
voiderase(CStudent&a){
intselect;
unsignedid;
stringname;
student*p,*q;
cout<<"1、按学号删除 2、按姓名删除 0、返回 ";
cin>>select;
switch(select){
case1:cout<<"请输入学号:";cin>>id;
if(p=a.findid(id)){
q=p->m_next;
p->m_next=q->m_next;
deleteq;
cout<<"成功删除"<<id<<"的信息。 ";
}
break;
case2:cout<<"请输入姓名:";name=readstring();
if(p=a.findname(name)){
q=p->m_next;
p->m_next=q->m_next;
deleteq;
cout<<"成功删除"<<name<<"的信息。 ";
}
break;
case0:return;
default:cout<<"选择错误。 ";
}
system("pause");
}
voidmodify(CStudent&a){
intselect;
cout<<"1、按学号修改 2、按姓名修改 0、返回 ";
cin>>select;
switch(select){
case1:if(a.modifyid())cout<<"修改成功。 ";break;
case2:if(a.modifyname())cout<<"修改成功。 ";break;
case0:return;
default:cout<<"选择错误。 ";
}
system("pause");
}
intmain(){
CStudenta;
intan;
do{
an=menu();
switch(an){
case1:a.entering();break;
case2:a.Show();break;
case3:a.query();break;
case4:a.entering();break;
case5:statistics(a);break;
case6:erase(a);break;
case7:modify(a);break;
case0:break;
default:cout<<"选择错误。 ";break;
}
}while(an);
return0;
}
Ⅱ 学生信息管理系统C＋＋源代码
#include<iostream>
#include<stdlib.h>
#include<string.h>
#include<malloc.h>
#define INIT_SIZE 10
#define INCRE_SIZE 10
#define SUBJECT_NUM 3
#define LEN 3
void show_Start();
void show_Table();
void addRecord();
void Info_delete();
void deleteRecord();
void delete_Num(int);
void delete_Name(char tarName[]);
void Info_modify();
void modifyRecord();
void modify_Num(int);
void modify_Name(char[]);
void Info_query();
void queryRecord();
void query_Num(int);
void query_Name(char[]);
void display();
void quit();
void menu_CMD();
char *subject[SUBJECT_NUM] = {"高代","数分","C语言"};
struct STUDENT
{
int num;
char name[20];
char sex;
float score[SUBJECT_NUM];
};
//struct STUDENT stu[LEN + 1];
//STUDENT *record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);
int static stuNum = 0;
//先暂时定义三个学生吧...
STUDENT *record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);;
int main()
{
//record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);
//STUDENT *record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);
/*
record[1].num = 1001;
strcpy(record[1].name,"Jason");
record[1].sex = 'M';
record[1].score[0] = 85.0;
record[1].score[1] = 90.0;
record[1].score[2] = 95.0;
record[2].num = 1002;
strcpy(record[2].name,"Jerry");
record[2].sex = 'M';
record[2].score[0] = 85.0;
record[2].score[1] = 90.0;
record[2].score[2] = 95.0;
record[3].num = 1003;
strcpy(record[3].name,"Jessie");
record[3].sex = 'F';
record[3].score[0] = 85.0;
record[3].score[1] = 90.0;
record[3].score[2] = 95.0;
*/
/*
Info_modify();
int key;
cout<<"请输入您的选择 : ";
cin>>key;
if(key == 1)
{
int targetNum;
cout<<"请输入您欲修改的学生的学号 : ";
cin>>targetNum;
modify_Num(targetNum);
cout<<endl;
display();
}
if(key == 2)
{
char targetName[20];
cout<<"请输入您欲修改学生的姓名 : ";
cin>>targetName;
modify_Name(targetName);
cout<<endl;
display();
}
if(key == 3)
{
exit(0);
}
*/
show_Start();
menu_CMD();
return 0;
}
//修改完后还应该显示
void show_Start()
{
//cout<<endl;
cout<<" **************************************** "<<endl;
cout<<" 这是一个 "<<endl;
cout<<" 学生成绩管理系统 "<<endl;
cout<<" 可以对学生成绩进行管理 "<<endl;
cout<<" 欢迎大家使用 "<<endl;
cout<<" Made by Jason "<<endl;
cout<<" **************************************** "<<endl;
}
// 显示表头信息,即是 : 学号,姓名,性别,高代,数分,C语言.
void show_Table()
{
cout<<"学号"<<"\t"<<"姓名"<<"\t"<<"性别";
cout<<"\t"<<subject[0]<<"\t"<<subject[1]<<"\t"<<subject[2];
cout<<endl;
}
void menu_CMD()
{
int key;
while(1)
{
cout<<"1. 增加学生信息"<<endl;
cout<<"2. 删除学生信息"<<endl;
cout<<"3. 修改学生信息"<<endl;
cout<<"4. 查询学生信息"<<endl;
cout<<"5. 显示学生信息"<<endl;
cout<<"6. 退出"<<endl;
cout<<"请输入您的选择 : ";
cin>>key;
while(1)
{
if((key < 1)||(key > 6))
{
int key;
cout<<"您的输入有误,请重新输入!"<<endl;
cout<<"请选(1 - 5) : ";
cin>>key;
}
else
{
break;
}
}
switch(key)
{
case 1:
addRecord();
break;
case 2:
deleteRecord();
break;
case 3:
modifyRecord();
break;
case 4:
queryRecord();
break;
case 5:
display();
break;
case 6:
quit();
break;
}
}
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//增加学生信息
void addRecord()
{
if(stuNum == 0)
{
cout<<"原来没有记录,现在建立新表!"<<endl;
stuNum++;
}
else
{
cout<<"现在在当前表的末尾添加新的信息!"<<endl;
stuNum++;
}
//如果数组空间不够,重新申请空间
if(stuNum > INIT_SIZE)
{
cout<<"内存空间不够,现在重新申请新的内存空间!"<<endl;
record = (STUDENT*)realloc(record,(INIT_SIZE + INCRE_SIZE)*sizeof(STUDENT));
cout<<"空间申请完成!"<<endl;
}
cout<<"您现在要添加一组新的信息,您确定吗?"<<endl;
cout<<"请输入您的选择(Y/N) : ";
char choi;
cin>>choi;
if((choi == 'Y')||(choi == 'y'))
{
cout<<"请输入学号 : ";
cin>>record[stuNum].num;
cout<<"请输入姓名 : ";
cin>>record[stuNum].name;
cout<<"请输入性别(M为男,F为女) : ";
cin>>record[stuNum].sex;
int i;
for(i = 0;i < SUBJECT_NUM;i++)
{
cout<<"请输入"<<subject[i]<<"的成绩 : ";
cin>>record[stuNum].score[i];
}
}
if((choi == 'N')||(choi == 'n'))
{
cout<<"退出添加新学生信息!"<<endl;
cout<<endl;
}
cout<<"现在已经有"<<stuNum<<"条学生的信息了!"<<endl;
cout<<endl;
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//删除信息 晚上完成...
//显示deleteRecord的表头信息
void Info_delete()
{
cout<<"请输入删除方式 : "<<endl;
cout<<"1. 按学号删除"<<endl;
cout<<"2. 按姓名删除"<<endl;
cout<<"3. 退出删除"<<endl;
}
//删除学生的信息,包含两个子函数
void deleteRecord()
{
int key;
cout<<endl;
Info_delete();
cout<<"请输入您的选择 : ";
cin>>key;
if(key == 1)
{
int targetNum;
cout<<"请输入您欲删除学生的学号 : ";
cin>>targetNum;
//按学号删除
delete_Num(targetNum);
cout<<endl;
}
if(key == 2)
{
char targetName[20];
cout<<"请输入您欲删除学生的姓名 : ";
cin>>targetName;
//按姓名删除
delete_Name(targetName);
cout<<endl;
}
if(key == 3)
{
while(1)
{
menu_CMD();
}
}
}
//按学号删除学生信息
//只用完成删除操作,而不必输出. 输出的操作可以在主菜单中进行
void delete_Num(int tarNum)
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(record[i].num == tarNum)
{
//删除还要分两种情况讨论
//1. 欲删除的学生信息是最后一位
//2. 欲删除的学生信息不是最后一位
//第一种情况,欲删除的学生是最后一位
if(i = stuNum)
{
cout<<"您所要删除的学生信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t"
<<record[i].score[0]<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
cout<<endl<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum - 1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
//显示信息应该放在后面
/*
stuNum--;
cout<<"现在还剩下"<<stuNum<<"条学生的信息";
cout<<endl;
*/
}
//2.第二种情况,欲删除的学生不是最后一位
if(i != stuNum)
{
cout<<"您所要删除的学生信信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t"
<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
for(int j = i+1;j <= stuNum;j++)
{
record[j-1] = record[j];
}
//接着完成输出
cout<<endl;
cout<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum-1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
/*
stuNum--;
cout<<"现在还剩下"<<stuNum<<"条学生的信息";
cout<<endl;
*/
}
stuNum--;
cout<<"现在还是剩下"<<stuNum<<"条学生的信息";
cout<<endl;
}
}
}
/*
//方法同上
void delete_Name(char tarName[])
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(strcmp(record[i].name,tarName) == 0)
{
//删除还要分两种情况讨论
//1. 欲删除的学生信息是最后一位
//2. 欲删除的学生信息不是最后一位
//第一种情况 : 欲删除学生是最后一位
if(i = stuNum)
{
cout<<"您所要删除的学生信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t"
<<record[i].score[0]<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
cout<<endl<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum - 1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
}
//第二种情况 : 欲删除学生不是最后一位
if(i != stuNum)
{
cout<<"您所要删除的学生信信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t"
<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
//整体往前 前移一位
for(int j = i+1;j <= stuNum;j++)
{
record[j-1] = record[j];
}
cout<<endl;
//接着完成输出
cout<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum-1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
cout<<endl;
}
}
}
}
*/
void delete_Name(char tarName[])
{
int i;
for(i = 1;i <= stuNum;i++)
{
//删除还要分两种情况讨论
//1. 欲删除的学生信息是最后一位
//2. 欲删除的学生信息不是最后一位
//当欲删除的学生是最后一位,直接输出前面LEN-1位学生的信息
if(strcmp(record[i].name,tarName) == 0)
{
if(i == stuNum)
{
cout<<"您所要删除的学生信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t"
<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
cout<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum-1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
/*
stuNum--;
cout<<"现在还剩下"<<stuNum<<"条学生的信息";
cout<<endl;
*/
}
//当欲删的学生不是最后一位,整体往前前移一位
if(i != stuNum)
{
cout<<"您所要删除的学生信息是 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex<<"\t";
cout<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
//整体往前前移一位
for(int j = i+1;j <= stuNum;j++)
{
record[j-1] = record[j];
}
//然后输出
cout<<endl;
cout<<"删除后学生信息表为 : "<<endl;
show_Table();
for(int i = 1;i <= stuNum-1;i++)
{
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(int j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
/*
stuNum--;
cout<<"现在还剩下"<<stuNum<<"条学生的信息";
cout<<endl;
*/
}
stuNum--;
cout<<"现在还剩下"<<stuNum<<"条学生的信息";
cout<<endl;
}
}
}
/*****************************************************************************
******************************************************************************/
//显示modifyRecord的表头信息
void Info_modify()
{
cout<<"请输入修改方式 : "<<endl;
cout<<"1. 按学号修改"<<endl;
cout<<"2. 按姓名修改"<<endl;
cout<<"3. 退出修改"<<endl;
}
//查询学生的成绩,当然里面包括两个子函数
void modifyRecord()
{
int key;
cout<<endl;
Info_modify();
cout<<"请输入您的选择 : ";
cin>>key;
//按学号修改
if(key == 1)
{
int targetNum;
cout<<"请输入您欲修改的学生的学号 : ";
cin>>targetNum;
modify_Num(targetNum);
cout<<endl;
//display();
}
//按姓名修改
if(key == 2)
{
char targetName[20];
cout<<"请输入您欲修改学生的姓名 : ";
cin>>targetName;
modify_Name(targetName);
cout<<endl;
//display();
}
//退出修改
if(key == 3)
{
while(1)
{
menu_CMD();
}
}
}
//按学号修改
void modify_Num(int tarNum)
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(record[i].num == tarNum)
{
cout<<endl<<"请修改该学生的信息"<<endl;
cout<<"请输入该学生的学号 : ";
cin>>record[i].num;
cout<<"请输入该学生的姓名 : ";
cin>>record[i].name;
cout<<"请输入该学生的性别 : ";
cin>>record[i].sex;
cout<<"请输入"<<subject[0]<<"的成绩 : ";
cin>>record[i].score[0];
cout<<"请输入"<<subject[1]<<"的成绩 : ";
cin>>record[i].score[1];
cout<<"请输入"<<subject[2]<<"的成绩 : ";
cin>>record[i].score[2];
}
}
}
//按姓名修改
void modify_Name(char tarName[])
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(strcmp(record[i].name,tarName) == 0)
{
cout<<endl<<"请修改该学生的信息 : "<<endl;
cout<<"请输入该学生的学号 : ";
cin>>record[i].num;
cout<<"请输入该学生的姓名 : ";
cin>>record[i].name;
cout<<"请输入该学生的性别 : ";
cin>>record[i].sex;
cout<<"请输入"<<subject[0]<<"的成绩 : ";
cin>>record[i].score[0];
cout<<"请输入"<<subject[1]<<"的成绩 : ";
cin>>record[i].score[1];
cout<<"请输入"<<subject[2]<<"的成绩 : ";
cin>>record[i].score[2];
}
}
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//显示queryRecord的表头信息
void Info_query()
{
cout<<"请输入查询方式 : "<<endl;
cout<<"1. 按学号查询"<<endl;
cout<<"2. 按姓名查询"<<endl;
cout<<"3. 退出查询"<<endl;
}
//查询学生信息queryRecord
void queryRecord()
{
int key;
cout<<endl;
Info_query();
cout<<"请输入您的选择 : ";
cin>>key;
if(key == 1)
{
int targetNum;
cout<<"请输入您欲查询学生的学号 : ";
cin>>targetNum;
query_Num(targetNum);
cout<<endl;
}
if(key == 2)
{
char targetName[20];
cout<<"请输入您欲查询学生的学号 : ";
cin>>targetName;
query_Name(targetName);
cout<<endl;
}
//退出查询,退回到主菜单吧...
if(key == 3)
{
while(1)
{
menu_CMD();
}
}
}
//按学号查询
void query_Num(int tarNum)
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(record[i].num == tarNum)
{
//如果表中有该学生信息的话,仅用输出该学生的信息即可.
//输出该学生的信息
cout<<"该学生的信息如下 : "<<endl;
//显示表头信息
show_Table();
//显示该学生具体的信息
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
cout<<"\t"<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
}
}
}
//按姓名查询
void query_Name(char tarName[])
{
int i;
for(i = 1;i <= stuNum;i++)
{
if(strcmp(record[i].name,tarName) == 0)
{
cout<<"该学生的信息如下 : "<<endl;
show_Table();
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
cout<<"\t"<<record[i].score[0]<<"\t"<<record[i].score[1]<<"\t"<<record[i].score[2];
cout<<endl;
}
}
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
//先显示所有学生的信息吧
//显示record里所有学生的成绩
void display()
{
show_Table();
int i,j;
for(i = 1;i <= stuNum;i++)
{
//cout<<"学号"<<"\t"<<"姓名"<<"\t"<<"性别";
cout<<record[i].num<<"\t"<<record[i].name<<"\t"<<record[i].sex;
for(j = 0;j < SUBJECT_NUM;j++)
{
cout<<"\t"<<record[i].score[j];
}
cout<<endl;
}
cout<<endl;
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//退出
void quit()
{
char choi;
cout<<"您确定要退出吗?"<<endl;
cout<<"请输入您的选择(Y/N) : ";
cin>>choi;
if((choi == 'Y')||(choi == 'y'))
{
cout<<"现在退出学生信息管理系统"<<endl;
exit(0);
}
//如果不是退出,则接着退回到主界面
else
{
cout<<endl;
menu_CMD();
}
}
这个是原创的... 在C-Free 4.0里跑过，可以正常运行
你可以试着跑一下，如果有什么问题可以和我联系
Ⅲ 学生信息管理系统源代码
void Sort(student *&head, char type,char maxOrMin)
{
/*参数说明:
type=='1' 按 语文 排列
type=='2' 按 数学 排列
type=='3' 按 英语 排列
type=='4' 按 总分 排列
type=='5' 按 平均分 排列
type=='6' 按 座号 排列
*/
student *pHead,*pH;
pHead=pH=head;
int len=GetLength(head);
float *array=new float[len];
int i;
int x=0;
float num=0;
while(head)
{
Count(head);
if(type=='1')
{
num=head->chinaNum;
}
else if(type=='2')
{
num=head->mathNum;
}
else if(type=='3')
{
num=head->englishNum;
}
else if(type=='4')
{
num=head->result;
}
else if(type=='5')
{
num=head->average;
}
else if(type=='6')
{
num=head->num;
}
array[x]=num;
x++;
head=head->next;
}
head=pHead;
if(maxOrMin=='1')
{
for( i=1; i<len; i++)
{
for(int j=0; j<len-i; j++)
{
if(array[j]<array[j+1])
{
float num;
num=array[j];
array[j]=array[j+1];
array[j+1]=num;
}
}
}
}
else
{
for( i=1; i<len; i++)
{
for(int j=0; j<len-i; j++)
{
if(array[j]>array[j+1])
{
float num;
num=array[j];
array[j]=array[j+1];
array[j+1]=num;
}
}
}
}
int pos=1;
for(i=0; i<len; i++)
{
head=pHead;
while(head)
{
if(type=='1')
{
num=head->chinaNum;
}
else if(type=='2')
{
num=head->mathNum;
}
else if(type=='3')
{
num=head->englishNum;
}
else if(type=='4')
{
num=int(head->result);
}
else if(type=='5')
{
num=int(head->average);
}
else if(type=='6')
{
num=int(head->num);
}
int n=0;
if(int(array[i])==int(num))
{
if(int(array[i])!=int(array[i+1]))
{
if(n==0)
{
n=pos;
}
head->pos=pos;
pos++;
}
else
{
head->pos=n;
}
}
head=head->next;
}
}
head=pH;
delete []array;
}
void Count(student *&head)
{
head->result=head->chinaNum+head->englishNum+head->mathNum;
head->average=head->result/3;
}
void DeleteAll(student* &head)
{
student *cp,*np;
cp=head;
while(cp)
{
np=cp->next;
delete cp;
cp=np;
}
head=NULL;
}
void ChaXun(string str,student *head)
{
Sort(head,'4','1');
cout<<"欢迎使用查询功能"<<endl<<endl;
cout<<"请输入你要按什么查询 1->一般查询 2->查找最多 3->查找最少"<<endl;
string s;
cin>>s;
while(s[0]!='1'&&s[0]!='2'&&s[0]!='3')
{
cout<<"你输入错误,请重新输入."<<endl;
cin>>s;
}
if(s[0]=='1')
{
cout<<"按什么查询?"<<endl;
cout<<"1->姓名 2->座号 3->语文成绩 4->数学成绩 "
<<"5->英语成绩 6->总分 7->平均分 8->排名"<<endl;
cin>>str;
while(str[0]!='1' && str[0]!='2' &&
str[0]!='3' && str[0]!='4' &&
str[0]!='5' && str[0]!='6' &&
str[0]!='7' && str[0]!='8' )
{
cout<<"你输入错误,请重新输入."<<endl;
cin>>str;
}
char findStr[30];
cout<<"请输入要查找的关键字或关键数:"<<endl;
cin>>findStr;
switch(str[0])
{
case '1':
Find(head,findStr,'1');
break;
case '2':
Find(head,findStr,'2');
break;
case '3':
Find(head,findStr,'3');
break;
case '4':
Find(head,findStr,'4');
break;
case '5':
Find(head,findStr,'5');
break;
case '6':
Find(head,findStr,'6');
break;
case '7':
Find(head,findStr,'7');
break;
case '8':
Find(head,findStr,'8');
break;
}
}
else if(s[0]=='2')
{
cout<<"请输入要按什么查询?"<<endl;
cout<<"1->语文成绩 2->数学成绩 "
<<"3->英语成绩 4->总分 5->平均分 6->排名"<<endl;
string s;
cin>>s;
switch(s[0])
{
case '1':
FindMaxOrMin(head,'1','1');
break;
case '2':
FindMaxOrMin(head,'2','1');
break;
case '3':
FindMaxOrMin(head,'3','1');
break;
case '6':
FindMaxOrMin(head,'6','1');
break;
case '5':
FindMaxOrMin(head,'5','1');
break;
default:
FindMaxOrMin(head,'4','1');
break;
}
}
else if(s[0]=='3')
{
cout<<"请输入要按什么查询?"<<endl;
cout<<"1->语文成绩 2->数学成绩 "
<<"3->英语成绩 4->总分 5->平均分 6->排名"<<endl;
string s;
cin>>s;
switch(s[0])
{
case '1':
FindMaxOrMin(head,'1','2');
break;
case '2':
FindMaxOrMin(head,'2','2');
break;
case '3':
FindMaxOrMin(head,'3','2');
break;
case '6':
FindMaxOrMin(head,'6','2');
break;
case '5':
FindMaxOrMin(head,'5','2');
break;
default:
FindMaxOrMin(head,'4','2');
break;
}
}
}
void ZengJia(string str, student* &head)
{
student *pNew=new student;
cout<<"欢迎使用增加功能"<<endl<<endl;
cout<<"请输入新学生的名字 :"<<endl;
cin>>pNew->name;
cout<<"请输入新学生的座号 :"<<endl;
cin>>pNew->num;
cout<<"请输入他的语文分数 :"<<endl;
cin>>pNew->chinaNum;
cout<<"请输入他的数学分数"<<endl;
cin>>pNew->mathNum;
cout<<"请输入他的英语分数"<<endl;
cin>>pNew->englishNum;
cout<<"插入记录的 (1->最前面 2->最后面)"<<endl;
cin>>str;
while(str[0]!='1' && str[0]!='2')
{
cout<<"你输入错误,请重新输入."<<endl;
cout<<"插入记录的 (1->最前面 2->最后面)"<<endl;
cin>>str;
}
if(str[0]=='1')
{
InsertFront(head,pNew);
}
else if(str[0]=='2')
{
InsertRear(head,pNew);
}
cout<<"新学生增加成功."<<endl;
}
void ShanChu(string str, student *&head)
{
char delStr[30];
cout<<"欢迎使用删除功能"<<endl<<endl;
cout<<"1->查询删除 2->全部删除"<<endl;
cin>>str;
while(str[0]!='1' && str[0]!='2')
{
cout<<"输入错误,请重新输入."<<endl;
cin>>str;
}
if(str[0]=='1')
{
cout<<"请输入要删除的关键字"<<endl;
cin>>delStr;
cout<<"1->删除第一条找到的记录 2->删除所有找到的记录"<<endl;
cin>>str;
while(str[0]!='1'&&str[0]!='2')
{
cout<<"你输入错误,请重新输入."<<endl;
cin>>str;
}
cout<<"你真的要删除吗? 1->删除 2->取消"<<endl;
string s;
cin>>s;
if(str[0]=='1')
{
if(str[0]=='1')
{
Delete(head,delStr,1);
}
else
{
Delete(head,delStr,2);
}
}
else
{
cout<<"你已经取消删除了."<<endl;
}
}
else
{
cout<<"你真的要删除全部数据吗?这样会使你的数据全部丢失哦."<<endl;
cout<<"1->全部删除 2->取消删除"<<endl;
cin>>str;
if(str[0]=='1')
{
DeleteAll(head);
}
else
{
cout<<"你已经取消删除了."<<endl;
}
}
}
void PaiMing(string str, student* head)
{
string s;
cout<<"欢迎使用排名功能"<<endl<<endl;
cout<<"排名选择: 1->升序 2->降序"<<endl;
cin>>s;
cout<<"请输入要按什么排名?"<<endl;
cout<<"1->语文成绩 2->数学成绩 3->英语成绩 "
<<"4->总分 5->平均分 6->座号"<<endl;
cin>>str;
while(str[0]!='1' && str[0]!='2' &&
str[0]!='3' && str[0]!='4' &&
str[0]!='5' && str[0]!='6' )
{
cout<<"你输入错误,请重新输入."<<endl;
cin>>str;
}
cout<<"姓名:"<<setw(8)<<"座号:"<<setw(10)
<<"语文分数:"<<setw(10) <<"数学分数:"
<<setw(10)<<"英语分数:"<<setw(8)<<"总分数:"
<<setw(8)<<"平均分:"<<setw(6)<<"名次:"<<endl<<endl;
if(s[0]=='2')
{
switch(str[0])
{
case '1':
Sort(head,'1','1');
break;
case '2':
Sort(head,'2','1');
break;
case '3':
Sort(head,'3','1');
break;
case '4':
Sort(head,'4','1');
break;
case '5':
Sort(head,'5','1');
break;
case '6':
Sort(head,'6','1');
break;
}
}
else
{
switch(str[0])
{
case '1':
Sort(head,'1','2');
break;
case '2':
Sort(head,'2','2');
break;
case '3':
Sort(head,'3','2');
break;
case '4':
Sort(head,'4','2');
break;
case '5':
Sort(head,'5','2');
break;
case '6':
Sort(head,'6','2');
break;
}
}
ShowList(head);
return ;
}
void XianShi(string str, student *head)
{
Sort(head,'4','1');
string s;
cout<<"欢迎使用显示功能"<<endl;
cout<<"1->显示全部记录 2->显示记录数目"<<endl;
cin>>s;
if(s[0]=='2')
{
cout<<"记录的数目是:"<<GetLength(head)<<endl;
}
else
{
ShowList(head);
}
}
void XuiGai(string str, student *&head)
{
string s;
student *std;
cout<<"欢迎使用修改功能"<<endl;
cout<<"请输入你要按什么查询"<<endl;
cout<<"1->姓名 2->座号 3->语文成绩 4->数学成绩 "
<<"5->英语成绩 "<<endl;
cin>>str;
while(str[0]!='1' && str[0]!='2' &&
str[0]!='3' && str[0]!='4' &&
str[0]!='5' )
{
cout<<"你输入错误,请重新输入."<<endl;
cin>>str;
}
char findStr[30];
cout<<"请输入要查找的关键字或关键数:"<<endl;
cin>>findStr;
switch(str[0])
{
case '1':
std=Find(head,findStr,'1');
Reword(std);
break;
case '2':
std=Find(head,findStr,'2');
Reword(std);
break;
case '3':
std=Find(head,findStr,'3');
Reword(std);
break;
case '4':
std=Find(head,findStr,'4');
Reword(std);
break;
case '5':
std=Find(head,findStr,'5');
Reword(std);
break;
}
Write(head);
if(std!=NULL)
{
cout<<"修改成功."<<endl;
}
}
int Run()
{
bool isLoad=false;
student* head=NULL;
student *pNew=new student;
head=Read();
SetTitle(false);
if(head!=NULL)
{ Sort(head,'5','1');
Count(head);
}
string str;
SetTitle(false);
cout<<" 欢迎使用学生管理系统 "<<endl<<endl;
cout<<" 1->用户登陆 2->退出程序 "<<endl;
cin>>str;
if(str[0]=='2')
{
AboutMe();
return 0;
}
else
{
isLoad=Enter('1');
system("cls");
if(isLoad==true)
{
SetTitle(true);
cout<<" 恭喜,您输入的密码正确.可以对本系统的进行任何操作."<<endl;
}
else
{
cout<<" Sorry,您输入的密码错误.你不能修改本系统的任何内容."<<endl;
}
}
begin:
cout<<endl<<endl;
cout<<" 欢迎使用学生管理系统 "<<endl<<endl;
cout<<" 1->增加功能 2-查询功能"<<endl;
cout<<" 3->删除功能 4-排名功能"<<endl;
cout<<" 5->显示功能 6-修改功能"<<endl;
cout<<" 7->用户设置 8-退出程序"<<endl;
cout<<"请输入您的选择: "<<endl;
cin>>str;
while(str[0]!='8')
{
if(isLoad==true && head!=NULL)
{
cout<<endl<<endl;
if(str[0]=='1')
{
ZengJia(str, head);
Sort(head,'4','1');
Write(head);
}
else if(str[0]=='2')
{
ChaXun(str,head);
}
else if(str[0]=='3')
{
ShanChu(str,head);
Sort(head,'4','1');
Write(head);
}
else if(str[0]=='4')
{
PaiMing(str,head);
}
else if(str[0]=='5')
{
XianShi(str,head);
}
else if(str[0]=='6')
{
XuiGai(str,head);
Write(head);
}
else if(str[0]=='7')
{
cout<<"欢迎使用用户修改功能"<<endl;
isLoad=Enter('2');
}
else if(str[0]=='8')
{
AboutMe();
return 0;
}
else
{
cout<<"你输入错误,请重新输入."<<endl;
goto begin;
}
}
else if(isLoad==false && head!=NULL)
{
if(str[0]=='2')
{
ChaXun(str,head);
}
else if(str[0]=='4')
{
PaiMing(str,head);
}
else if(str[0]=='5')
{
XianShi(str,head);
}
else
{
cout<<"你不是管理员,不能进行此项功能."<<endl;
cout<<"你只能进行 查询功能 显示功能 排名功能"<<endl;
}
}
else if( head==NULL && isLoad==true)
{
cout<<"系统检查到你没有任何记录,不能进行任何操作,只能增加记录."<<endl;
ZengJia(str, head);
Write(head);
head=Read();
}
else if( head==NULL && isLoad==false)
{
cout<<"因为你没有登陆,系统又检查到你没有任何记录,你不能进行任何操作."<<endl;
}
cout<<endl<<endl;
cout<<"按任何键继续进行操作."<<endl;
getchar();
getchar();
system("cls");
goto begin;
}
AboutMe();
return 0;
}
void SetTitle(bool isLoad)
{
HWND hwnd=GetForegroundWindow();
if(isLoad==false)
{
SetWindowText(hwnd," 学生管理系统(没有登陆)");
}
else
{
SetWindowText(hwnd," 学生管理系统(已经登陆)");
}
system("color a");
}
void AboutMe()
{
char*pStr= " ┃ \n"
" ┃ \n"
" ┏━━━━┻━━━━┓ \n"
" ┃ 关于作者 ┃ \n"
" ┏━━━━┻━━━━━━━━━┻━━━━┓\n"
" ┃ ┃\n"
" ┃ Aauthor:********** ┃\n"
" ┃ QQ: ********* ┃\n"
" ┃ E-mail:********@**.com ┃\n"
" ┃ ┃\n"
" ┗━━━━━━━━━━━━━━━━━━━┛\n";
system("cls");
srand(time(0));
for(int i=0; i<strlen(pStr); i++)
{
if(pStr[i]!=' ')
{
Sleep(20);
}
cout<<pStr[i];
}
cout<<"Good-bye ."<<endl;
cout<<endl<<endl<<endl<<endl;
}
int main()
{
Run();
return 0;
}
php学生管理系统源码，供大家参考，具体内容如下
功能：
1.添加／删除／修改
2.数据存储.
界面分布：
index.php
--->主界面
add.php --->stu添加
action ---> sql中add/del/update
(处理html表单-->mysql的数据存储 ＆＆ 页面跳转)
edit.php --->stu修改
menu.php
-->首页
1. index.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生信息管理</title>
<script>
function doDel(id) {
if(confirm('确认删除?')) {
window.location='action.php?action=del&id='+id;
}
}
</script>
</head>
<body>
<center>
<?php
include ("menu.php");
?>
<h3>浏览学生信息</h3>
<table width="500" border="1">
<tr>
<th>ID</th>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
<th>班级</th>
<th>操作</th>
</tr>
<?php
// 1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1");
}catch (PDOException $e) {
die('connection failed'.$e->getMessage());
}
//2.执行sql
$sql_select = "select * from stu";
//3.data 解析
foreach ( $pdo->query($sql_select) as $row) {
echo "<tr>";
echo "<th>{$row['id']} </th>";
echo "<th>{$row['name']}</th>";
echo "<th>{$row['sex']} </th>";
echo "<th>{$row['age']} </th>";
echo "<th>{$row['classid']}</th>";
echo "<td>
<a href='edit.php?id={$row['id']}'>修改</a>
<a href='javascript:void(0);' onclick='doDel({$row['id']})'>删除</a>
</td>";
echo "</tr>";
}
?>
</table>
</center>
</body>
</html>
2. add.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生管理系统</title>
</head>
<body>
<center>
<?php include ('menu.php'); ?>
<h3>增加学生信息</h3>
<form action="action.php?action=add" method="post">
<table>
<tr>
<td>姓名</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>年龄</td>
<td><input type="text" name="age"></td>
</tr>
<tr>
<td>性别</td>
<td><input type="radio" name="sex" value="男">男</td>
<td><input type="radio" name="sex" value="女">女</td>
</tr>
<tr>
<td>班级</td>
<td><input type="text" name="classid"></td>
</tr>
<tr>
<!-- <td> </td>-->
<td><a href="index.php">返回</td>
<td><input type="submit" value="添加"></td>
<td><input type="reset" value="重置"></td>
</tr>
</table>
</form>
</center>
</body>
</html>
3. action.php
<?php
/**
* Created by PhpStorm.
* User: hyh
* Date: 16-7-7
* Time: 下午9:37
*/
//1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1");
}catch (PDOException $e) {
// echo 'Connection failed: ' . $e->getMessage();
die('connection failed'.$e->getMessage());
}
//2.action 的值做对操作
switch ($_GET['action']){
case 'add'://add
$name = $_POST['name'];
$sex = $_POST['sex'];
$age = $_POST['age'];
$classid = $_POST['classid'];
$sql = "insert into stu (name, sex, age, classid) values ('{$name}', '{$sex}','{$age}','{$classid}')";
$rw = $pdo->exec($sql);
if ($rw > 0){
echo "<script>alter('添加成功');</script>";
}else{
echo "<script>alter('添加失败');</script>";
}
header('Location: index.php');
break;
case 'del'://get
$id = $_GET['id'];
$sql = "delete from stu where id={$id}";
$rw = $pdo->exec($sql);
if ($rw > 0){
echo "<script>alter('删除成功');</script>";
}else{
echo "<script>alter('删除失败');</script>";
}
header('Location: index.php');
break;
case 'edit'://post
$id = $_POST['id'];
$name = $_POST['name'];
$age = $_POST['age'];
$classid = $_POST['classid'];
$sex = $_POST['sex'];
// echo $id, $age, $age, $name;
$sql = "update stu set name='{$name}', age={$age},sex='{$sex}',classid={$classid} where id={$id};";
// $sql = "update myapp.stu set name='jike',sex='女', age=24,classid=44 where id=17";
print $sql;
$rw = $pdo->exec($sql);
if ($rw > 0){
echo "<script>alter('更新成功');</script>";
}else{
echo "<script>alter('更新失败');</script>";
}
header('Location: index.php');
break;
default:
header('Location: index.php');
break;
}
4.edit.php
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>学生管理系统</title>
</head>
<body>
<center>
<?php include ('menu.php');
//1. 链接数据库
try{
$pdo = new PDO("uri:mysqlPdo.ini","root","1");
}catch (PDOException $e) {
die('connection failed'.$e->getMessage());
}
//2.执行sql
$sql_select = "select * from stu where id={$_GET['id']}";
$stmt = $pdo->query($sql_select);
if ($stmt->rowCount() >0) {
$stu = $stmt->fetch(PDO::FETCH_ASSOC); // 解析数据
}else{
die("no have this id:{$_GET['id']}");
}
?>
<h3>修改学生信息</h3>
<form action="action.php?action=edit" method="post">
<input type="hidden" name="id" value="<?php echo $stu['id'];?>">
<table>
<tr>
<td>姓名</td>
<td><input type="text" name="name" value="<?php echo $stu['name'];?>"></td>
</tr>
<tr>
<td>年龄</td>
<td><input type="text" name="age" value="<?php echo $stu['age'];?>"></td>
</tr>
<tr>
<td>性别</td>
<td>
<input type="radio" name="sex" value="男" <?php echo ($stu['sex'] == "男")? "checked":"";?> >男
</td>
<td>
<input type="radio" name="sex" value="女" <?php echo ($stu['sex'] == "女")? "checked":"";?> >女
</td>
</tr>
<tr>
<td>班级</td>
<td><input type="text" name="classid" value="<?php echo $stu['classid']?>"></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="更新"></td>
<td><input type="reset" value="重置"></td>
</tr>
</table>
</form>
</center>
<?php
?>
</body>
</html>
5. menu.php
<!DOCTYPE html>
<html lang="en">
<body>
<h2>学生管理系统</h2>
<a href="index.php"> 浏览学生</a>
<a href="add.php"> 添加学生</a>
<hr>
</body>
</html>