人工智能-项目实践-信息管理系统-基于MFC实现的简易的多文件学生信息管理系统

// StudentSystemView.cpp: CStudentSystemView 类的实现 // #include "stdafx.h" // SHARED_HANDLERS 可以在实现预览、缩略图和搜索筛选器句柄的 // ATL 项目中进行定义，并允许与该项目共享文档代码。 #ifndef SHARED_HANDLERS #include "StudentSystem.h" #endif #include "StudentSystemDoc.h" #include "StudentSystemView.h" #include "DataChange.h" #ifdef _DEBUG #define new DEBUG_NEW #endif // CStudentSystemView IMPLEMENT_DYNCREATE(CStudentSystemView, CScrollView) BEGIN_MESSAGE_MAP(CStudentSystemView, CScrollView) // 标准打印命令 ON_COMMAND(ID_FILE_PRINT, &CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, &CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, &CScrollView::OnFilePrintPreview) ON_WM_LBUTTONDOWN() ON_WM_LBUTTONDBLCLK() ON_COMMAND(ID_DELETE, &CStudentSystemView::OnDelete) ON_COMMAND(ID_CHANGE, &CStudentSystemView::OnChange) END_MESSAGE_MAP() // CStudentSystemView 构造/析构 CStudentSystemView::CStudentSystemView() noexcept { // TODO: 在此处添加构造代码 //MessageBox(TEXT("子视图打开")); } CStudentSystemView::~CStudentSystemView() { } BOOL CStudentSystemView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: 在此处通过修改 // CREATESTRUCT cs 来修改窗口类或样式 return CScrollView::PreCreateWindow(cs); } // CStudentSystemView 绘图 void CStudentSystemView::OnDraw(CDC* pDC) { CStudentSystemDoc* pDoc = GetDocument();//从这里得到了文件 ASSERT_VALID(pDoc); if (!pDoc) return; // TODO: 在此处为本机数据添加绘制代码 //这里是VIEW中的绘制数据的函数体 //GetDocument()可以获得相应的文档对象 //pDC->TextOut(0, 0, TEXT("hello"));//可以在屏幕上显示出固定的文字 //CString out; //out.Format(_T("%s"), (std::to_string(current_student)).c_str()); //MessageBox(out); CFont *old_font = (CFont*)pDC->SelectStockObject(ANSI_FIXED_FONT); for (int i(0), len(pDoc->GetNumOfStudent()); i < len; ++i) { CString output; //output.Format("%s", "hello"); //output.Format(200, "%s%s%s%s", "hello", "you", "son", "shit"); //output = "hello"; output.Format(_T("%-20.20s%-20.20s%-5.5s%-5.5s"), pDoc->data[i].name, pDoc->data[i].num, pDoc->data[i].sex, pDoc->data[i].age); if (i != current_student) { pDC->SetTextColor(RGB(0, 0, 0)); pDC->SetBkColor(RGB(255, 255, 255)); } else { pDC->SetTextColor(RGB(255, 255, 255)); pDC->SetBkColor(RGB(0, 0, 0)); } pDC->TextOut(0, i * 20, output); } pDC->SelectObject(old_font); } // CStudentSystemView 打印 BOOL CStudentSystemView::OnPreparePrinting(CPrintInfo* pInfo) { // 默认准备 return DoPreparePrinting(pInfo); } void CStudentSystemView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加额外的打印前进行的初始化过程 } void CStudentSystemView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: 添加打印后进行的清理过程 } // CStudentSystemView 诊断 #ifdef _DEBUG void CStudentSystemView::AssertValid() const { CScrollView::AssertValid(); } void CStudentSystemView::Dump(CDumpContext& dc) const { CScrollView::Dump(dc); } CStudentSystemDoc* CStudentSystemView::GetDocument() const // 非调试版本是内联的 { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CStudentSystemDoc))); return (CStudentSystemDoc*)m_pDocument; } #endif //_DEBUG // CStudentSystemView 消息处理程序 void CStudentSystemView::OnLButtonDown(UINT nFlags, CPoint point) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CScrollView::OnLButtonDown(nFlags, point); CClientDC dc(this); OnPrepareDC(&dc, NULL); dc.DPtoLP(&point);//物理坐标转为逻辑坐标 current_student = point.y / 20; //OnUpdate; //OnDraw(WM_PAINT); //RedrawWindow(); //MessageBox("OUT"); Invalidate(); } void CStudentSystemView::OnLButtonDblClk(UINT nFlags, CPoint point) { // TODO: 在此添加消息处理程序代码和/或调用默认值 CScrollView::OnLButtonDblClk(nFlags, point); current_student = point.y / 20; CStudentSystemDoc* pDoc = GetDocument();//从这里得到了文件 ASSERT_VALID(pDoc); if (!pDoc) return; if (current_student < pDoc->data.size() && current_student >= 0) { DataChange dlg; //MessageBox("HOW"); dlg.name = pDoc->data[current_student]�