ex_parc.txt

我自己写的学生成绩记录源代码！！！谢谢！

#ifndef STUSTRUCT_H
#define STUSTRUCT_H
struct STUDENT
{
	char name[8];
	char id[10];
	float score[3];
	float ave;
	float sum;
};
#endif









#include "stustruct.h"
#include<cstring>
#include<iostream>
using namespace std;

#ifndef STUARRAY_H
#define STUARRAY_H


const int m_nRecMax=20;
STUDENT *theArray= new STUDENT[m_nRecMax];
int     m_nCurRecNum=0;


void Copy(STUDENT*d, STUDENT s)
{
	strcpy(d->name,s.name); strcpy(d->id,s.id);
	for(int i=0;i<3;i++)
		d->score[i]=s.score[i];
	d->ave=s.ave; d->sum=s.sum;
}
void Output(STUDENT one)
{
	cout<<"\n 学号\t 姓名\t 成绩1\t 成绩2\t 成绩3\t 平均分\t 总分\n";
	cout<<one.id<<"\t"<<one.name;
	for(int j=0;j<3;j++)
		cout<<"\t"<<one.score[j];
	cout<<"\t"<<one.ave<<"\t"<<one.sum<<endl;
}
void Add(void)
{
	STUDENT stu;
	cout<<"姓名: "  cin>>stu.name;
	cout<<"学号: "  cin>>stu.id;
	cout<<"三门成绩: ";
	cin>>stu.score[0]>>stu.score[1]>>stu.score[2];
	stu.sum=stu.score[0]+stu.score[1]+stu.score[2];
	stu.ave=stu.sum/3.0;
	Copy(&theArray[m_nCurRecNum],stu);
	m_nCurRecNum++;
	if(m_nCurRecNum>=m_nRecMax)
	{
		cout<<"内存空间不够,无法添加记录!"<<endl;
		exit(1);
	}
}
void List(void)
{
	for(int i=0;i<m_nCurRecNum;i++)
		Output(theArray[i]);
}
void Find(char*name)
{
	bool isFind=false;
	for(int i=0;i<m_nCurRecNum;i++)
	{
		if(strcmp(theArray[i].name,name)==0)
		{
		    isFind=true; Output(theArray[i]);
		}
	}
    if(!isFind)
        cout<<"没有找到!"<<endl;
}
void RemoveAll(void)
{
	if(theArray)
	{
		delete[]theArray; theArray=NULL;
	}
}
#endif









#include "stdfx.h"
#include "stuarray.h"
#include <iostream>
#include <cstdlib>
using namespace std;
int menu(void)
{
	int nSelect=0;
	do
	{
		system("cls");
		cout<<"\n 当前记录: "<<m_nCurRecNum<<",请选择要操作的命令号: \n";
		cout<<"1----添加数据\n";
		cout<<"2----列表显示\n";
		cout<<"3----按姓名查找\n";
		cout<<"4----退出\n";
        cout<<"请选择: ";
		cin>>nSelect;
		if((nSelect>=1)&&(nSelect<=4))break;
	}while(1);
	if(4==nSelect)RemoveAll();
	return nSelect;
}
int main()
{
	char name[10];
	int nSelect;
	while(1)
	{
		nSelect=menu();
		switch(nSelect)
		{
		    case 1:Add();    break;
			case 2:List();    break;
			case 3:
				   cout<<"请输入要查找的姓名: "<<endl;
				   cin>>name;
				   Find(name);    break;
			case 4: return 0;
		}
		cout<<"按任意键继续...";
		cin.get();   cin.get();
	}
return 0;
}