基本信息

---

下载

   友情提示：（无需注册或充值，赞助后即可获取资源下载链接）

---

     嘿，亲！知识可是无价之宝呢，但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下，绝对物超所值哦！如有下载和支付问题，请联系我们QQ(微信同号)：813200300

本次赞助数额为： 2 元　

支付宝支付

微信支付

   源码介绍

---

// exam62Dlg.cpp : 实现文件
//

#include "stdafx.h"
#include "exam62.h"
#include "exam62Dlg.h"
#include "afxdialogex.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

class CAboutDlg : public CDialogEx
{
public:
	CAboutDlg();

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
public:
	// 显示已保存数据数量到static text 中
	void ShowMunber(void);
};

CAboutDlg::CAboutDlg() : CDialogEx(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)
END_MESSAGE_MAP()


// Cexam62Dlg 对话框




Cexam62Dlg::Cexam62Dlg(CWnd* pParent /*=NULL*/)
	: CDialogEx(Cexam62Dlg::IDD, pParent)
	, in_munber(_T(""))
	, in_name(_T(""))
	, in_chinese(0)
	, in_math(0)
	, in_english(0)
	, in_sex(_T(""))
	, delete_name(_T(""))
	, check_name(_T(""))
	, out_name(_T(""))
	, out_sex(_T(""))
	, out_munber(_T(""))
	, out_chinese(0)
	, out_math(0)
	, out_english(0)
	, sum(0)
	, rank(0)
	, fine_rank(0)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

	get_date();  //在构造函数中实现获取数据功能

}


Cexam62Dlg::~Cexam62Dlg(){
	save_date();		//尝试在析构函数中实现保存数据功能
}




void Cexam62Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
	DDX_Text(pDX, IDC_EDIT1, in_munber);
	DDX_Text(pDX, IDC_EDIT2, in_name);
	DDX_Text(pDX, IDC_EDIT4, in_chinese);
	DDV_MinMaxDouble(pDX, in_chinese, 0, 150);
	DDX_Text(pDX, IDC_EDIT5, in_math);
	DDV_MinMaxDouble(pDX, in_math, 0, 150);
	DDX_Text(pDX, IDC_EDIT6, in_english);
	DDX_Text(pDX, IDC_EDIT3, in_sex);
	DDX_Text(pDX, IDC_EDIT7, delete_name);
	DDX_Text(pDX, IDC_EDIT8, check_name);
	DDX_Text(pDX, IDC_EDIT9, out_name);
	DDX_Text(pDX, IDC_EDIT10, out_sex);
	DDX_Text(pDX, IDC_EDIT11, out_munber);
	DDX_Text(pDX, IDC_EDIT12, out_chinese);
	DDX_Text(pDX, IDC_EDIT13, out_math);
	DDX_Text(pDX, IDC_EDIT14, out_english);
	DDX_Text(pDX, IDC_EDIT15, sum);
	DDX_Text(pDX, IDC_EDIT16, rank);
	DDX_Text(pDX, IDC_EDIT17, fine_rank);
}

BEGIN_MESSAGE_MAP(Cexam62Dlg, CDialogEx)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, &Cexam62Dlg::OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON4, &Cexam62Dlg::OnBnClickedButton4)
	ON_BN_CLICKED(IDC_BUTTON3, &Cexam62Dlg::OnBnClickedButton3)
	ON_BN_CLICKED(IDC_BUTTON2, &Cexam62Dlg::OnBnClickedButton2)
	ON_BN_CLICKED(IDC_BUTTON6, &Cexam62Dlg::OnBnClickedButton6)
	ON_BN_CLICKED(IDC_BUTTON7, &Cexam62Dlg::OnBnClickedButton7)
END_MESSAGE_MAP()


// Cexam62Dlg 消息处理程序

BOOL Cexam62Dlg::OnInitDialog()
{
	CDialogEx::OnInitDialog();

	// 将“关于...”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		BOOL bNameValid;
		CString strAboutMenu;
		bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
		ASSERT(bNameValid);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO: 在此添加额外的初始化代码

	return TRUE;  // 除非将焦点设置到控件，否则返回 TRUE
}

void Cexam62Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialogEx::OnSysCommand(nID, lParam);
	}
}

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。



void Cexam62Dlg::OnPaint()
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作区矩形中居中
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon   1) / 2;
		int y = (rect.Height() - cyIcon   1) / 2;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialogEx::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标
//显示。
HCURSOR Cexam62Dlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

//===================================================  按钮控件代码  ====================

//确定添加按钮
void Cexam62Dlg::OnBnClickedButton1()
{	UpdateData(true);
	char *n=(char*)in_name.GetBuffer(0);
	char *s=(char*)in_sex.GetBuffer(0);
	char *m=(char*)in_munber.GetBuffer(0);
	double ma = in_math;
	double ch = in_chinese;
	double en = in_english;
	char *check=(char*)check_name.GetBuffer(0);
	bool fine=0;
	for(it=date.begin();it!=date.end();it  ){
		if(strcmp(it->name,check)==0||strcmp(it->munber,check)==0){
			fine=1;		
			break;
		} 
	}
	if(fine==0)MessageBox("出错，填写数据不完整或已有相同学号或姓名！","警告");
	else add_date(n,s,m,ch,ma,en);
}

//提示按钮
void Cexam62Dlg::OnBnClickedButton4()
{	
	str t;
	sprintf(t,"暂时保存了 %d 个学生的成绩。",date.size());
	MessageBox(t,"提示");
}

//确定查询按钮
void Cexam62Dlg::OnBnClickedButton3()
{	UpdateData(true);
	char *check=(char*)check_name.GetBuffer(0);
	bool fine=0;
	for(it=date.begin();it!=date.end();it  ){
		if(strcmp(it->name,check)==0||strcmp(it->munber,check)==0){
			fine=1;	
			break;
		} 
	}
	if(fine==0)MessageBox("还未存入你想查找的学生！！！","");
	else{
		MessageBox("找到了！！！","");
		out_chinese=it->chinese;
		out_math=it->math;
		out_english=it->english;
		out_name=it->name;
		out_sex=it->sex;
		out_munber=it->munber;
		sum=it->sum;
		rank=it-date.begin() 1;
		UpdateData(false); 
	}
}

//确定删除按钮
void Cexam62Dlg::OnBnClickedButton2()
{
	UpdateData(true);
	char *check=(char*)delete_name.GetBuffer(0);
	bool fine=0;
	for(it=date.begin();it!=date.end();it  ){
		if(strcmp(it->name,check)==0||strcmp(it->munber,check)==0){
			fine=1;	
			break;
		} 
	}
	if(fine==0)MessageBox("还未存入你想查找的学生！！！","");
	else{
		MessageBox("已删除这位学生的信息！！","");
		date.erase(it);
	}	
}


//==============================================================================

void Cexam62Dlg::get_date(){//获取数据
		str bol;
		ifstream bin("C:\\ProgramData\\BlackCarDriver.bin",ios::binary);
		bin.read((char*)&bol,sizeof(str));
		if(strcmp(bol,"OK")){  //未有数据
			initi();
			MessageBox("这是第一次运行程序，已为你创建数据文件！","提示");
		}else{
			bin.read((char*)&munbers,sizeof(int));
			for(int i=0;i<munbers;i  ){
			temp=new package;	
			bin.read((char*)temp,sizeof(package));
			date.push_back(*temp);
			}
		}	
		bin.close();	
		sort(date.begin(),date.end(),comp);
	}

void  Cexam62Dlg::save_date(){//保存数据，在程序结束时保存最新的容器
		str bol="OK";
		munbers=date.size();
		ofstream bin("C:\\ProgramData\\BlackCarDriver.bin",ios::binary);
		bin.write((char*)&bol,sizeof(str));
		bin.write((char*)&munbers,sizeof(int));
		for(it=date.begin();it!=date.end();it  ){
			bin.write((char*)&(*it),sizeof(package));
		}
	
		bin.close();
	}

void Cexam62Dlg::initi(){  //第一次运行程序时没有数据将出错，initi()避免此情况
		str bol="OK";
		int n=1;
		package first("BlackCarDriver","BOY","1706100108", 150, 150, 150);
		ofstream bin("C:\\ProgramData\\BlackCarDriver.bin",ios::binary);
		bin.write((char*)&bol,sizeof(str));
		bin.write((char*)&n,sizeof(int));
		bin.write((char*)&first,sizeof(package));
		bin.close();
		date.push_back(first);
	}

//创建一个成绩数据并保存
void Cexam62Dlg::add_date(char *n, char *s, char *m, double ch, double ma, double en){
		package *a_temp=new package(n,s,m,ch,ma,en);
		date.push_back(*a_temp);
		MessageBox("添加成功！","提示");
	}

bool Cexam62Dlg::comp(package a,package b){  //用于排序比较的依据
	return(a.sum >b.sum);
}


void Cexam62Dlg::OnBnClickedButton6()//输入排名后查找学生的按钮控件
{
	UpdateData(true);
	if(fine_rank<1||fine_rank>date.size())
		MessageBox("请输入有效的排名！","警告");
	else{
		it=date.begin() fine_rank-1;
		out_chinese=it->chinese;
		out_math=it->math;
		out_english=it->english;
		out_name=it->name;
		out_sex=it->sex;
		out_munber=it->munber;
		sum=it->sum;
		rank=it-date.begin() 1;
		UpdateData(false); 
	}
}

void Cexam62Dlg::OnBnClickedButton7() //next按钮
{
	UpdateData(true);
	fine_rank =1;
	if(fine_rank>date.size())
		MessageBox("排名已到最大值！","警告");
	else{
		it=date.begin() fine_rank-1;
		out_chinese=it->chinese;
		out_math=it->math;
		out_english=it->english;
		out_name=it->name;
		out_sex=it->sex;
		out_munber=it->munber;
		sum=it->sum;
		rank=it-date.begin() 1;
		UpdateData(false); 
	}
}