请问谁能帮我用Visual FoxPro6.0做一个学生学籍管理系统
推荐回答(2个)
#include
using namespace std;
#include
double avg=0;//统计总分和加平均分权
const int mathp=4;//数学学分
const int cppp=5;//C++学分
const sum=70;//设置总学分
class Student
{
private:
int num;
char *name;
char *sex;
char *phone;
char *rphone;
double math;
double cpp;
Student* next;
public:
Student()
{next=NULL;}
~Student();
void Push(Student **refhead,int num,char *name,char *sex,char *phone,char *rphone,double math,double cpp);
void Delete(Student *head,int data);
Student* Find(Student* head,int data);
void Display(Student* head);
int Length(Student* head);
void Math(Student* head,int data);
void Update(Student* head,int data);
void Insert();
};
Student* head=new Student;//带头结点的头指针
void Student::Push(Student **refhead,int num,char *name,char *sex,char *phone,char *rphone,double math,double cpp)
{
Student* newnode=new Student;//新增加结点
newnode->num=num;
newnode->name=name;
newnode->sex=sex;
newnode->phone=phone;
newnode->rphone=rphone;
newnode->math=math;
newnode->cpp=cpp;
newnode->next=*refhead;
*refhead=newnode;//重置表头
}
//遍历
void Student::Display(Student* head)
{
Student* temp;
temp=head;
if(temp->next==NULL)//判断空表
cout<<"没有学生!";
else
{while(temp!=NULL)//
{
cout<<"学号:"<num<<"姓名:"<name<<"性别:"<sex<<"手机:"<phone<<"宿舍电话:"<rphone<<"数学成绩:"<math<<"C++成绩:"<cpp<temp=temp->next;
}
}
return;
}
//人数
int Student::Length(Student* head)
{
Student* cur;
cur=head;
int count=0;
while(cur!=NULL)
{
count++;//通过累加统计人数
cur=cur->next;
}
return count;
}
//查找
Student* Student::Find(Student* head,int data)
{
Student* cur=head;
bool bo=false;
while(cur!=NULL)
{
if(cur->num=data)
{
bo=true;//如果找到则改变bo的值
cout<<"学号:"<num<<"姓名:"<name<<"性别:"<sex<<"手机:"<phone<<"宿舍电话:"<rphone<<"数学成绩:"<math<<"C++成绩:"<cpp<break;
}
cur=cur->next;
}
if(bo==false)//通过判断bo的值判断找到与否
cout<<"没有这个人!"<return cur;
}
//删除
void Student::Delete(Student* head,int data)
{
Student *bef,*cur;
bef=cur=head;
while(cur!=NULL)
{
if(cur->num==data)
break;
else
{bef=cur;cur=cur->next;}
}
if(cur==head)//如果是头结点则删除头结点
{
head=cur->next;
delete cur;
}
else
{
bef->next=cur->next;
delete cur;
}
}
//修改
void Student::Update(Student* head,int data)
{
Student* cur=head;
bool bo=false;
while(cur!=NULL)
{
if(cur->num==data)
{
bo=true;
int a,b;
char *c;
double d;
for(;;) //找到后提供各字段的修改
{ cout<<"1修改学号|2修改姓名|3修改性别|4修改手机号|5修改宿舍电话号|6修改数学成绩|7修改C++成绩|8退出\n";
cin>>a;
switch(a)
{
case 1:cout<<"输入新学号:";
cin>>b;
cur->num=a;
break;
case 2:cout<<"输入新姓名:";
cin>>c;
cur->name=c;
break;
case 3:cout<<"输入新性别:";
cin>>c;
cur->sex=c;
break;
case 4:cout<<"输入新手机号:";
cin>>c;
cur->phone=c;
break;
case 5:cout<<"输入新宿舍电话号:";
cin>>c;
cur->rphone=c;
break;
case 6:cout<<"输入新数学成绩:";
cin>>d;
cur->math=d;
break;
case 7:cout<<"输入C++成绩:";
cin>>d;
cur->cpp=d;
break;
case 8:exit(1);
break;
default:cout<<"操作错误";
break;
}
}
break;
}
}
if(bo==false)
cout<<"没有这个人!"<return;
}
//统计
void Student::Math(Student* head,int data)
{
Student* cur=head;
bool bo=false;
while(cur!=NULL)
{
if(cur->num=data)
{
bo=true;
avg=cur->math*(mathp/sum)+cur->cpp*(cppp/sum);//计算总分和加平均分权的公式
break;
}
cur=cur->next;
}
if(bo==false){
cout<<"没有这个人!"<return;
}
cout<<"该生的总分和加平均分权="<return;
}
//录入
void Student::Insert()
{
head=NULL;
int num;
char name[8];
char sex[4];
char phone[11];
char rphone[7];
double math;
double cpp;
cout<<"请输入基本信息:\n";
cout<<"学号:";
cin>>num;
cout<<"姓名:";
cin>>name;
cout<<"性别:";
cin>>sex;
cout<<"手机号:";
cin>>phone;
cout<<"宿舍电话:";
cin>>rphone;
cout<<"数学成绩:";
cin>>math;
cout<<"C++成绩:";
cin>>cpp;
Push(&head,num,name,sex,phone,rphone,math,cpp);//调用函数Push建立有序链表
}
//用释构函数逐个释放空间
Student::~Student()
{
while(head!=NULL)
{
delete head;
head=head->next;
}
}
//程序主入口
void main()
{
for(;;)
{
head=NULL;
Student s;
int x;
int data;
cout<<"|1录入|2查找|3删除|4修改|5统计|6退出|\n";
cout<<"请作选择:\n";
cin>>x;
switch(x)
{
case 1:
start:
s.Insert();
cout<<"继续吗?[Y/N]";
char ch;
cin>>ch;
if(ch=='y' || ch=='Y')
goto start;
s.Display(head);
int l;
l=s.Length(head);
cout<<"一共有"<break;
case 2:
cout<<"请输入你要查找的学生的学号:";
cin>>data;
s.Find(head,data);
break;
case 3:
cout<<"请输入你要删除的学生的学号:";
cin>>data;
s.Delete(head,data);
break;
case 4:
cout<<"请输入你要修改的学生的学号:";
cin>>data;
s.Update(head,data);
break;
case 5:
cout<<"请输入你要统计的学生的学号:";
cin>>data;
s.Math(head,data);
break;
case 6:
exit(1);
break;
default:cout<<"操作错误!"<break;
}
}
} 我找的 不知道合不合适 在修改一下吧
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