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// CMyView message handlers
void CMyView::OnSelchangeId()
{
// TODO: Add your control notification handler code here
CMyDoc *pDoc = GetDocument();
m_nCurrentNo = m_xuehao.GetCurSel();
m_name = pDoc->m_student[m_nCurrentNo].name;
m_age = pDoc->m_student[m_nCurrentNo].age;
m_jieshao=pDoc->m_student[m_nCurrentNo].school;
m_sex =pDoc->m_student[m_nCurrentNo].sex;
m_number =pDoc->m_student[m_nCurrentNo].tel;
UpdateData(false);
}
void CMyView::OnChangeAge()
{
CMyDoc *pDoc = GetDocument();
UpdateData(true);
if( pDoc->m_student[m_nCurrentNo].age != m_age)
{
pDoc->m_student[m_nCurrentNo].age=m_age;
pDoc->SetModifiedFlag();
}
}
void CMyView::OnChangeJieshao()
{
CMyDoc *pDoc = GetDocument();
UpdateData(true);
if(strcmp( pDoc->m_student[m_nCurrentNo].school,m_jieshao))
{
strcpy( pDoc->m_student[m_nCurrentNo].school,m_jieshao);
pDoc->SetModifiedFlag();
}
}
void CMyView::OnChangeName()
{
CMyDoc *pDoc = GetDocument();//获取指向文档类对象指针
UpdateData(true);//用控件的值去更新与之关联变量
if(strcmp( pDoc->m_student[m_nCurrentNo].name,m_name))
{
strcpy( pDoc->m_student[m_nCurrentNo].name,m_name);
pDoc->SetModifiedFlag();//设置数据修改标志
}
}
void CMyView::OnChangeNumber()
{
CMyDoc *pDoc = GetDocument();
UpdateData(true);
if(strcmp( pDoc->m_student[m_nCurrentNo].tel,m_number))
{
strcpy( pDoc->m_student[m_nCurrentNo].tel,m_number);
pDoc->SetModifiedFlag();
}
}
void CMyView::OnChangeSex()
{
CMyDoc *pDoc = GetDocument();
UpdateData(true);
if(strcmp( pDoc->m_student[m_nCurrentNo].sex,m_sex))
{
strcpy( pDoc->m_student[m_nCurrentNo].sex,m_sex);
pDoc->SetModifiedFlag();
}
}
void CMyView::OnOpenfile()
{
// TODO: Add your command handler code here
CString strFilter = "Dat Files (*.dat)|*.dat|All Files (*.*)|*.*||";
//①启动通用文件对话框,选择文件名
CFileDialog FileDlg(true, NULL, NULL,
OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,(LPCSTR)strFilter, this);
if (FileDlg.DoModal() != IDOK)return;
CString strFileName = FileDlg.GetPathName();
//②打开文件
CFile f;
if(!f.Open(strFileName,CFile::modeRead))
{
AfxMessageBox("打开文件失败");
return;
}
//③读出文件中的数据,存放到文档类的数据成员中
CMyDoc *pDoc = GetDocument();
f.Read(&m_nCurrentNo,sizeof(int));
for(int i=0;i<40;i++)
{
f.Read(pDoc->m_student[i].name,10);
f.Read(pDoc->m_student[i].sex,3);
f.Read(&(pDoc->m_student[i].age),sizeof(int));
f.Read(pDoc->m_student[i].tel,14);
f.Read(pDoc->m_student[i].school,50);
}
f.Close();
//④将文档类的数据传递给视类数据成员,并显示
m_xuehao.SetCurSel(m_nCurrentNo);
m_name = pDoc->m_student[m_nCurrentNo].name;
m_age = pDoc->m_student[m_nCurrentNo].age;
m_jieshao=pDoc->m_student[m_nCurrentNo].school;
m_sex =pDoc->m_student[m_nCurrentNo].sex;
m_number =pDoc->m_student[m_nCurrentNo].tel;
UpdateData(false);
}
void CMyView::OnSavefile()
{
// TODO: Add your command handler code here
CString strFilter = "Dat Files (*.dat)|*.dat|All Files (*.*)|*.*||";
CFileDialog FileDlg(false, NULL, NULL, OFN_HIDEREADONLY|OFN_OVERWRITEPROMPT,(LPCSTR)strFilter, this);
if (FileDlg.DoModal() != IDOK)
return; //①启动通用文件对话框
CString strFileName = FileDlg.GetPathName();
CFile f; //②打开文件
f.Open(strFileName,CFile::modeCreate|CFile::modeWrite);
CMyDoc *pDoc = GetDocument(); //③写文件,存储数据
f.Write(&m_nCurrentNo,sizeof(int));
for(int i=0;i<40;i++){
f.Write(pDoc->m_student[i].name,10);
f.Write(pDoc->m_student[i].sex,3);
f.Write(&(pDoc->m_student[i].age),sizeof(int));
f.Write(pDoc->m_student[i].tel,14);
f.Write(pDoc->m_student[i].school,50);
}
f.Close();//④关闭文件
}