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静态网站站内搜索,口碑好网站建设价格低,android app for wordpress,网站重新备案怎么做程序功能#xff1a;使用原有的CElapsed类实现高精度计时在五个编辑框输入五个不同时间段的时间值#xff08;精确到0.01秒#xff09;#xff0c;点击启动后#xff0c;依次从第一个到第五个编辑框的时间开始计时#xff0c;每个时间段当前的实时值显示在第二个静态文本…程序功能使用原有的CElapsed类实现高精度计时在五个编辑框输入五个不同时间段的时间值精确到0.01秒点击启动后依次从第一个到第五个编辑框的时间开始计时每个时间段当前的实时值显示在第二个静态文本中同时第一个静态文本显示对应的时间段“时间1”到“时间5”。停止按钮可以随时结束整个过程。程序启动后再点启动无效一直到程序执行结束或点击停止按钮后启动才有效点击停止按钮时这个时间段当前的实时值显示在第二个静态文本中。设计思路1.启动按钮点击后读取五个编辑框的时间然后启动一个工作线程。2.工作线程依次处理五个时间段每个时间段开始时更新当前阶段显示然后开始计时并实时更新当前时间段的经过时间要实时显示所以需要频繁更新UI。我们使用PostMessage将更新信息发送到主线程。工作线程函数中我们将依次执行五个阶段。每个阶段中我们循环检查是否达到设定时间同时检查停止信号。3.每个时间段计时完成后自动进入下一个时间段每个时间段开始时重置CElapsed对象直到五个时间段全部完成。4.停止按钮可以中断计时过程。对话框资源设计5个编辑框IDC_EDIT_TIME1 到 IDC_EDIT_TIME52个静态文本IDC_STATIC_STAGE显示当前时间段“时间1到时间5”IDC_STATIC_CURRENT_TIME显示当前时间段的实时值启动按钮IDC_BUTTON_START停止按钮IDC_BUTTON_STOP头文件 MultiTimerDlg.h// MultiTimerDlg.h : header file//#if!defined(AFX_MULTITIMERDLG_H__INCLUDED_)#defineAFX_MULTITIMERDLG_H__INCLUDED_#includeCElapsed.h// 包含原有的高精度计时器类#if_MSC_VER1000#pragmaonce#endif// _MSC_VER 1000/////////////////////////////////////////////////////////////////////////////// CMultiTimerDlg dialogclassCMultiTimerDlg:publicCDialog{// Constructionpublic:CMultiTimerDlg(CWnd*pParentNULL);// standard constructor// Dialog Data//{{AFX_DATA(CMultiTimerDlg)enum{IDDIDD_MULTITIMER_DIALOG};// NOTE: the ClassWizard will add data members here//}}AFX_DATA// ClassWizard generated virtual function overrides//{{AFX_VIRTUAL(CMultiTimerDlg)protected:virtualvoidDoDataExchange(CDataExchange*pDX);// DDX/DDV support//}}AFX_VIRTUAL// Implementationprotected:HICON m_hIcon;// 时间段数据doublem_dTimeStages[5];// 五个时间段的值intm_nCurrentStage;// 当前执行的时间段(0-4)boolm_bRunning;// 是否正在运行boolm_bThreadRunning;// 线程运行标志CElapsed m_elapsedTimer;// 高精度计时器CWinThread*m_pTimerThread;// 计时器线程指针// 线程同步CRITICAL_SECTION m_csSync;// 线程函数staticUINTTimerThreadProc(LPVOID pParam);// 更新显示voidUpdateDisplay(intnStage);voidStopTimer();// Generated message map functions//{{AFX_MSG(CMultiTimerDlg)virtualBOOLOnInitDialog();afx_msgvoidOnSysCommand(UINT nID,LPARAM lParam);afx_msgvoidOnPaint();afx_msg HCURSOROnQueryDragIcon();afx_msgvoidOnButtonStart();afx_msgvoidOnButtonStop();afx_msg LRESULTOnUpdateDisplay(WPARAM wParam,LPARAM lParam);afx_msg LRESULTOnUpdateTimeOnly(WPARAM wParam,LPARAM lParam);//}}AFX_MSGDECLARE_MESSAGE_MAP()private:enum{WM_UPDATE_DISPLAYWM_USER100,WM_UPDATE_TIME_ONLYWM_USER101// 新增只更新时间值的消息};};//{{AFX_INSERT_LOCATION}}// Microsoft Visual C will insert additional declarations immediately before the previous line.#endif// !defined(AFX_MULTITIMERDLG_H__INCLUDED_)实现文件 MultiTimerDlg.cpp// MultiTimerDlg.cpp : implementation file//#includestdafx.h#includeMultiTimer.h#includeMultiTimerDlg.h#includemath.h#ifdef_DEBUG#definenewDEBUG_NEW#undefTHIS_FILEstaticcharTHIS_FILE[]__FILE__;#endif/////////////////////////////////////////////////////////////////////////////// CAboutDlg dialog used for App AboutclassCAboutDlg:publicCDialog{public:CAboutDlg();// Dialog Data//{{AFX_DATA(CAboutDlg)enum{IDDIDD_ABOUTBOX};//}}AFX_DATA// ClassWizard generated virtual function overrides//{{AFX_VIRTUAL(CAboutDlg)protected:virtualvoidDoDataExchange(CDataExchange*pDX);// DDX/DDV support//}}AFX_VIRTUAL// Implementationprotected://{{AFX_MSG(CAboutDlg)//}}AFX_MSGDECLARE_MESSAGE_MAP()};CAboutDlg::CAboutDlg():CDialog(CAboutDlg::IDD){//{{AFX_DATA_INIT(CAboutDlg)//}}AFX_DATA_INIT}voidCAboutDlg::DoDataExchange(CDataExchange*pDX){CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CAboutDlg)//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CAboutDlg,CDialog)//{{AFX_MSG_MAP(CAboutDlg)// No message handlers//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CMultiTimerDlg dialogCMultiTimerDlg::CMultiTimerDlg(CWnd*pParent/*NULL*/):CDialog(CMultiTimerDlg::IDD,pParent){//{{AFX_DATA_INIT(CMultiTimerDlg)//}}AFX_DATA_INITm_hIconAfxGetApp()-LoadIcon(IDR_MAINFRAME);// 初始化成员变量m_nCurrentStage0;m_bRunningfalse;m_bThreadRunningfalse;m_pTimerThreadNULL;// 初始化时间段数据for(inti0;i5;i){m_dTimeStages[i]0.0;}InitializeCriticalSection(m_csSync);}voidCMultiTimerDlg::DoDataExchange(CDataExchange*pDX){CDialog::DoDataExchange(pDX);//{{AFX_DATA_MAP(CMultiTimerDlg)//}}AFX_DATA_MAP}BEGIN_MESSAGE_MAP(CMultiTimerDlg,CDialog)//{{AFX_MSG_MAP(CMultiTimerDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_BUTTON_START,OnButtonStart)ON_BN_CLICKED(IDC_BUTTON_STOP,OnButtonStop)ON_MESSAGE(WM_UPDATE_DISPLAY,OnUpdateDisplay)ON_MESSAGE(WM_UPDATE_TIME_ONLY,OnUpdateTimeOnly)// 新增消息处理//}}AFX_MSG_MAPEND_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////// CMultiTimerDlg message handlersBOOLCMultiTimerDlg::OnInitDialog(){CDialog::OnInitDialog();// Add About... menu item to system menu.ASSERT((IDM_ABOUTBOX0xFFF0)IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX0xF000);CMenu*pSysMenuGetSystemMenu(FALSE);if(pSysMenu!NULL){CString strAboutMenu;strAboutMenu.LoadString(IDS_ABOUTBOX);if(!strAboutMenu.IsEmpty()){pSysMenu-AppendMenu(MF_SEPARATOR);pSysMenu-AppendMenu(MF_STRING,IDM_ABOUTBOX,strAboutMenu);}}SetIcon(m_hIcon,TRUE);// Set big iconSetIcon(m_hIcon,FALSE);// Set small icon// 初始化编辑框默认值SetDlgItemText(IDC_EDIT_TIME1,_T(5.0));SetDlgItemText(IDC_EDIT_TIME2,_T(10.0));SetDlgItemText(IDC_EDIT_TIME3,_T(8.0));SetDlgItemText(IDC_EDIT_TIME4,_T(12.0));SetDlgItemText(IDC_EDIT_TIME5,_T(6.0));// 初始化显示SetDlgItemText(IDC_STATIC_STAGE,_T(时间1));SetDlgItemText(IDC_STATIC_CURRENT_TIME,_T(0.00));returnTRUE;}voidCMultiTimerDlg::OnSysCommand(UINT nID,LPARAM lParam){if((nID0xFFF0)IDM_ABOUTBOX){CAboutDlg dlgAbout;dlgAbout.DoModal();}else{CDialog::OnSysCommand(nID,lParam);}}voidCMultiTimerDlg::OnPaint(){if(IsIconic()){CPaintDCdc(this);// device context for paintingSendMessage(WM_ICONERASEBKGND,(WPARAM)dc.GetSafeHdc(),0);// Center icon in client rectangleintcxIconGetSystemMetrics(SM_CXICON);intcyIconGetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(rect);intx(rect.Width()-cxIcon1)/2;inty(rect.Height()-cyIcon1)/2;// Draw the icondc.DrawIcon(x,y,m_hIcon);}else{CDialog::OnPaint();}}HCURSORCMultiTimerDlg::OnQueryDragIcon(){return(HCURSOR)m_hIcon;}voidCMultiTimerDlg::OnButtonStart(){// 如果正在运行不允许再次启动if(m_bRunning){MessageBox(_T(程序正在运行请等待完成或点击停止),_T(提示),MB_ICONINFORMATION);return;}// 读取五个时间段的值CString strTime;for(inti0;i5;i){UINT nEditIDIDC_EDIT_TIME1i;GetDlgItemText(nEditID,strTime);m_dTimeStages[i]atof(strTime);if(m_dTimeStages[i]0.0){CString strMsg;strMsg.Format(_T(请输入有效的时间%d(大于0)),i1);MessageBox(strMsg,_T(错误),MB_ICONERROR);return;}}// 重置状态m_nCurrentStage0;m_bRunningtrue;m_bThreadRunningtrue;// 启动计时器m_elapsedTimer.Start();// 更新初始显示UpdateDisplay(0);// 启动计时器线程m_pTimerThreadAfxBeginThread(TimerThreadProc,this,THREAD_PRIORITY_NORMAL);// 禁用启动按钮启用停止按钮GetDlgItem(IDC_BUTTON_START)-EnableWindow(FALSE);GetDlgItem(IDC_BUTTON_STOP)-EnableWindow(TRUE);}voidCMultiTimerDlg::OnButtonStop(){if(!m_bRunning)return;// 停止计时器StopTimer();UpdateDisplay(m_nCurrentStage);// 启用启动按钮禁用停止按钮GetDlgItem(IDC_BUTTON_START)-EnableWindow(TRUE);GetDlgItem(IDC_BUTTON_STOP)-EnableWindow(FALSE);}voidCMultiTimerDlg::StopTimer(){if(!m_bRunning)return;m_bThreadRunningfalse;m_bRunningfalse;if(m_pTimerThread){WaitForSingleObject(m_pTimerThread-m_hThread,1000);m_pTimerThreadNULL;}}LRESULTCMultiTimerDlg::OnUpdateTimeOnly(WPARAM wParam,LPARAM lParam){doubledCurrentTime*(double*)lParam;// 只更新第二个静态文本时间值CString strTime;strTime.Format(_T(%.2f),dCurrentTime);SetDlgItemText(IDC_STATIC_CURRENT_TIME,strTime);// 释放内存delete(double*)lParam;return0;}LRESULTCMultiTimerDlg::OnUpdateDisplay(WPARAM wParam,LPARAM lParam){intnStage(int)wParam;doubledCurrentTime*(double*)lParam;UpdateDisplay(nStage);// 释放动态分配的内存delete(double*)lParam;return0;}voidCMultiTimerDlg::UpdateDisplay(intnStage){// 更新阶段显示CString strStage;strStage.Format(_T(时间%d),nStage1);SetDlgItemText(IDC_STATIC_STAGE,strStage);// 更新时间显示}UINTCMultiTimerDlg::TimerThreadProc(LPVOID pParam){CMultiTimerDlg*pDlg(CMultiTimerDlg*)pParam;constdoubleUPDATE_INTERVAL0.01;// 0.01秒更新间隔CElapsed updateTimer;updateTimer.Start();doubledTotalElapsedTime0.0;intnCurrentStage0;doubledStageStartTime0.0;intnLastDisplayedStage-1;while(pDlg-m_bThreadRunningnCurrentStage5){// 计算总经过时间dTotalElapsedTimepDlg-m_elapsedTimer.NowSec();// 计算当前阶段内的经过时间doubledElapsedInStagedTotalElapsedTime-dStageStartTime;// 如果当前阶段时间已到切换到下一个阶段if(dElapsedInStagepDlg-m_dTimeStages[nCurrentStage]){// 进入下一个阶段nCurrentStage;if(nCurrentStage5){// 所有阶段完成break;}// 更新阶段开始时间dStageStartTimedTotalElapsedTime;dElapsedInStage0.0;// 发送阶段切换消息EnterCriticalSection(pDlg-m_csSync);pDlg-m_nCurrentStagenCurrentStage;LeaveCriticalSection(pDlg-m_csSync);double*pNewStageTimenewdouble(0.0);pDlg-PostMessage(WM_UPDATE_DISPLAY,(WPARAM)nCurrentStage,(LPARAM)pNewStageTime);nLastDisplayedStagenCurrentStage;}else{// 发送当前时间更新double*pCurrentTimenewdouble(dElapsedInStage);pDlg-PostMessage(WM_UPDATE_TIME_ONLY,0,(LPARAM)pCurrentTime);}// 精确等待doubledWaitTimeUPDATE_INTERVAL-fmod(updateTimer.NowSec(),UPDATE_INTERVAL);if(dWaitTime0){Sleep(static_castDWORD(dWaitTime*1000));}}// 线程结束处理if(nCurrentStage5){// 所有阶段完成EnterCriticalSection(pDlg-m_csSync);pDlg-m_bRunningfalse;pDlg-m_bThreadRunningfalse;LeaveCriticalSection(pDlg-m_csSync);// 发送完成消息pDlg-PostMessage(WM_UPDATE_DISPLAY,(WPARAM)4,(LPARAM)newdouble(pDlg-m_dTimeStages[4]));// 启用启动按钮禁用停止按钮pDlg-GetDlgItem(IDC_BUTTON_START)-EnableWindow(TRUE);pDlg-GetDlgItem(IDC_BUTTON_STOP)-EnableWindow(FALSE);// MessageBox(pDlg-GetSafeHwnd(), _T(所有时间段执行完成), _T(完成), MB_ICONINFORMATION);}return0;}运行程序