3楼按你的代码出现如下错误,应该怎么定义一下? D:\MyProjects\lll\lllDlg.cpp(66) : error C2065: 'm_Data' : undeclared identifier D:\MyProjects\lll\lllDlg.cpp(66) : error C2440: '=' : cannot convert from 'char [1]' to 'int' This conversion requires a reinterpret_cast, a C-style cast or function-style cast D:\MyProjects\lll\lllDlg.cpp(175) : error C2065: 'm_data' : undeclared identifier D:\MyProjects\lll\lllDlg.cpp(175) : error C2228: left of '.GetWindowTextA' must have class/struct/union type D:\MyProjects\lll\lllDlg.cpp(197) : error C2065: 'm_septsign' : undeclared identifier D:\MyProjects\lll\lllDlg.cpp(197) : error C2228: left of '.GetCheck' must have class/struct/union type D:\MyProjects\lll\lllDlg.cpp(203) : error C2065: 'm_out' : undeclared identifier D:\MyProjects\lll\lllDlg.cpp(203) : error C2228: left of '.SetWindowTextA' must have class/struct/union type Error executing cl.exe.
直接用 unsigned long 来读取汉字的数值,出来的就是他的 32 位数了. 如果把这个 unsigned long 又当作 char* 来用字符显示函数去显示,又变成汉字了. 楼主写一写你数据保存的方式,写个代码给你,很简单的.
// ReadWriteTestDlg.cpp : implementation file //#include "stdafx.h" #include "ReadWriteTest.h" #include "ReadWriteTestDlg.h" #include "mwrf32.h"#ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialog { public: CAboutDlg();// Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL// Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() };CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT }void CAboutDlg::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_MAP END_MESSAGE_MAP()///////////////////////////////////////////////////////////////////////////// // CReadWriteTestDlg dialogCReadWriteTestDlg::CReadWriteTestDlg(CWnd* pParent /*=NULL*/) : CDialog(CReadWriteTestDlg::IDD, pParent) { //{{AFX_DATA_INIT(CReadWriteTestDlg) m_Port = -1; m_Sector = 0; m_key = _T(""); m_OpMode = -1; m_Data = _T(""); //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); icdev = NULL; }void CReadWriteTestDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CReadWriteTestDlg) DDX_Control(pDX, IDC_KEY_MODE, m_KeyModeCtrl); DDX_Control(pDX, IDC_STATUS, m_Status); DDX_Control(pDX, IDC_COMBO_BAUND, m_BaundCtl); DDX_Radio(pDX, IDC_RADIO1, m_Port); DDX_Text(pDX, IDC_SECTOR, m_Sector); DDX_Text(pDX, IDC_EDIT8, m_key); DDV_MaxChars(pDX, m_key, 12); DDX_Radio(pDX, IDC_READBLOCK, m_OpMode); DDX_Text(pDX, IDC_DATA, m_Data); DDV_MaxChars(pDX, m_Data, 32); //}}AFX_DATA_MAP }BEGIN_MESSAGE_MAP(CReadWriteTestDlg, CDialog) //{{AFX_MSG_MAP(CReadWriteTestDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BTN_CONNECT, OnBtnConnect) ON_BN_CLICKED(IDC_BTN_DISCONNECT, OnBtnDisconnect) ON_BN_CLICKED(IDC_TEST, OnTest) //}}AFX_MSG_MAP END_MESSAGE_MAP()///////////////////////////////////////////////////////////////////////////// // CReadWriteTestDlg message handlersBOOL CReadWriteTestDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
m_Port = 0; m_BaundCtl.SetCurSel(6); m_OpMode = 0; m_KeyModeCtrl.SetCurSel(0); m_key = "FFFFFFFFFFFF"; UpdateData(FALSE); return TRUE; // return TRUE unless you set the focus to a control }void CReadWriteTestDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } }// If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework.void CReadWriteTestDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle 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; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } }// The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CReadWriteTestDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; }void CReadWriteTestDlg::OnBtnConnect() { UpdateData(TRUE); __int16 st; unsigned char _Status[30]; memset(_Status,0,30); m_baund = GetBaund(); rf_exit(icdev); icdev = rf_init(m_Port,m_baund); st = rf_get_status(icdev,_Status); if(icdev<0 || st) m_Status.SetWindowText("连接失败!"); else { rf_beep(icdev,10); m_Status.SetWindowText("连接成功!"); }
CharToUnicode()
{
CString strIn, strOut, str;
m_data.GetWindowText(strIn);
if(strIn=="") return; const char *p = LPCSTR(strIn);
wchar_t wszstr[256];
//转化后的unicode码存放在wszstr数组中
MultiByteToWideChar(CP_ACP, 0, p, -1, wszstr, 256);
int j=0;
while (wszstr[j]!='\0')
{
str.Format("%d", wszstr[j]);
char s[5];
itoa(atoi(str), s, 16);
str = s;
int k = str.GetLength();
for(int i=0; i<4-k; i++)
{
str.Insert(0, "0"); //若少于4个字符,用'0'字符在其左则补齐。
}
strOut += str; if(m_septsign.GetCheck()==BST_CHECKED)
strOut +=" "; j++;
}
strOut.MakeUpper(); //大写处理
m_out.SetWindowText(strOut);
}
//将unicode码转换为字符
UnicodeToChar()
{
CString strIn, str;
m_data.GetWindowText(strIn);
strIn.Remove(' '); //若有空格分隔符,将其移除
if(strIn.GetLength() % 4 || !IsUnicodeChar(strIn))
{
MessageBox("输入的Unicode有错误!","警告");
return;
}
wchar_t wch[256];
for(int i=0; i<strIn.GetLength()/4; i++)
{
int n_vaule = strtol(strIn.Mid(i*4, 4),NULL,16);
wch[i] = n_vaule;
}
wch[i] = 0;
CString strValue(wch);
m_out.SetWindowText(strValue);
}//判断字符串中是否为unicode字符
bool IsUnicodeChar(const char *str)
{
for(int i=0; str[i]!=0; i++)
{
if(str[i]<'0') return false;
if(str[i]>'9' && str[i]<'A') return false;
if(str[i]>'F' && str[i]<'a') return false;
if(str[i]>'f') return false;
} return true;
}
具体可以卸载我共享的一个资源
http://download.csdn.net/source/2215007
char cn[]="我是中国人";
int cnl = lstrlen(cn)/2;//汉字个数
DWORD *dwcn=new DWORD[cnl];//用于存放汉字,一个汉字对应一个DWORD,32位
memset(dcn,0,cnl*sizeof(DWORD));
WORD *wcn = (WORD *)cn;
for(int i=0;i<cnl;i++)
{
dwcn[i]=wcn[i];
}//DWROD转汉字
for(int i=0;i<cnl;i++)
wcn[i]=dwcn[i] & 0x0000ffff;
D:\MyProjects\lll\lllDlg.cpp(66) : error C2065: 'm_Data' : undeclared identifier
D:\MyProjects\lll\lllDlg.cpp(66) : error C2440: '=' : cannot convert from 'char [1]' to 'int'
This conversion requires a reinterpret_cast, a C-style cast or function-style cast
D:\MyProjects\lll\lllDlg.cpp(175) : error C2065: 'm_data' : undeclared identifier
D:\MyProjects\lll\lllDlg.cpp(175) : error C2228: left of '.GetWindowTextA' must have class/struct/union type
D:\MyProjects\lll\lllDlg.cpp(197) : error C2065: 'm_septsign' : undeclared identifier
D:\MyProjects\lll\lllDlg.cpp(197) : error C2228: left of '.GetCheck' must have class/struct/union type
D:\MyProjects\lll\lllDlg.cpp(203) : error C2065: 'm_out' : undeclared identifier
D:\MyProjects\lll\lllDlg.cpp(203) : error C2228: left of '.SetWindowTextA' must have class/struct/union type
Error executing cl.exe.
如果把这个 unsigned long 又当作 char* 来用字符显示函数去显示,又变成汉字了.
楼主写一写你数据保存的方式,写个代码给你,很简单的.
//#include "stdafx.h"
#include "ReadWriteTest.h"
#include "ReadWriteTestDlg.h"
#include "mwrf32.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialog
{
public:
CAboutDlg();// Dialog Data
//{{AFX_DATA(CAboutDlg)
enum { IDD = IDD_ABOUTBOX };
//}}AFX_DATA // ClassWizard generated virtual function overrides
//{{AFX_VIRTUAL(CAboutDlg)
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
//}}AFX_VIRTUAL// Implementation
protected:
//{{AFX_MSG(CAboutDlg)
//}}AFX_MSG
DECLARE_MESSAGE_MAP()
};CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
//{{AFX_DATA_INIT(CAboutDlg)
//}}AFX_DATA_INIT
}void CAboutDlg::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_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CReadWriteTestDlg dialogCReadWriteTestDlg::CReadWriteTestDlg(CWnd* pParent /*=NULL*/)
: CDialog(CReadWriteTestDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CReadWriteTestDlg)
m_Port = -1;
m_Sector = 0;
m_key = _T("");
m_OpMode = -1;
m_Data = _T("");
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
icdev = NULL;
}void CReadWriteTestDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CReadWriteTestDlg)
DDX_Control(pDX, IDC_KEY_MODE, m_KeyModeCtrl);
DDX_Control(pDX, IDC_STATUS, m_Status);
DDX_Control(pDX, IDC_COMBO_BAUND, m_BaundCtl);
DDX_Radio(pDX, IDC_RADIO1, m_Port);
DDX_Text(pDX, IDC_SECTOR, m_Sector);
DDX_Text(pDX, IDC_EDIT8, m_key);
DDV_MaxChars(pDX, m_key, 12);
DDX_Radio(pDX, IDC_READBLOCK, m_OpMode);
DDX_Text(pDX, IDC_DATA, m_Data);
DDV_MaxChars(pDX, m_Data, 32);
//}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CReadWriteTestDlg, CDialog)
//{{AFX_MSG_MAP(CReadWriteTestDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BTN_CONNECT, OnBtnConnect)
ON_BN_CLICKED(IDC_BTN_DISCONNECT, OnBtnDisconnect)
ON_BN_CLICKED(IDC_TEST, OnTest)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CReadWriteTestDlg message handlersBOOL CReadWriteTestDlg::OnInitDialog()
{
CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
} // Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
m_Port = 0;
m_BaundCtl.SetCurSel(6);
m_OpMode = 0;
m_KeyModeCtrl.SetCurSel(0);
m_key = "FFFFFFFFFFFF";
UpdateData(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
}void CReadWriteTestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialog::OnSysCommand(nID, lParam);
}
}// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.void CReadWriteTestDlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle
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; // Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialog::OnPaint();
}
}// The system calls this to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CReadWriteTestDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}void CReadWriteTestDlg::OnBtnConnect()
{
UpdateData(TRUE); __int16 st;
unsigned char _Status[30];
memset(_Status,0,30); m_baund = GetBaund();
rf_exit(icdev);
icdev = rf_init(m_Port,m_baund);
st = rf_get_status(icdev,_Status);
if(icdev<0 || st)
m_Status.SetWindowText("连接失败!");
else
{
rf_beep(icdev,10);
m_Status.SetWindowText("连接成功!");
}
UpdateData(FALSE);
}void CReadWriteTestDlg::OnBtnDisconnect()
{
__int16 st;
if(icdev == NULL || icdev <0)
m_Status.SetWindowText("端口未初始化!"); st = rf_exit(icdev);
if(st)
m_Status.SetWindowText("断开连接失败!");
else
m_Status.SetWindowText("断开连接成功!"); UpdateData(FALSE);
}void CReadWriteTestDlg::OnTest()
{
UpdateData(TRUE);
unsigned char Sec = m_Sector;
__int16 st;
unsigned __int16 TagType;
unsigned long Snr;
unsigned char Size;
unsigned char data[33];
memset(data,0,33);
st = rf_reset(icdev,5);
st = rf_request(icdev,1,&TagType);
if(st)
{
m_Status.SetWindowText("寻卡失败!");
return;
}
st = rf_anticoll(icdev,0, &Snr);
if(st)
{
m_Status.SetWindowText("防冲突失败!");
return;
}
st = rf_select(icdev,Snr,&Size);
if(st)
{
m_Status.SetWindowText("选卡失败!");
return;
}
unsigned char key[7];
memset(key,0,7);
a_hex(m_key.GetBuffer(12),key,12);
m_key.ReleaseBuffer();
unsigned char m_keymode;
if(m_KeyModeCtrl.GetCurSel()==0)
m_keymode = 0;
else
m_keymode = 4;
st = rf_load_key(icdev,m_keymode,Sec,key);
if(st)
{
m_Status.SetWindowText("装载密码失败!");
return;
}
st = rf_authentication(icdev,m_keymode,Sec);
if(st)
{
m_Status.SetWindowText("认证失败!");
return;
}
if(m_OpMode == 0 )
{
unsigned char temp[33];
memset(temp,0,33);
if(m_OpMode == 0)
st = rf_read(icdev,Sec*4,data);
if(st)
{
m_Status.SetWindowText("读数据失败!");
return;
}
hex_a(data,(char*)temp,16);
m_Data.Format("%s",temp);
m_Status.SetWindowText("读数据成功!");
}
else if(m_OpMode == 1)
{
if(m_Data == "" )
{
MessageBox("请确认是否有输入三个块的数据!","读写测试",MB_OK|MB_ICONWARNING);
return;
}
unsigned char temp[33];
memset(temp,0,33);
memset(data,0,33);
a_hex(m_Data.GetBuffer(32),temp,32);
m_Data.ReleaseBuffer();
memcpy(data,temp,16);
if(m_OpMode == 1)
st = rf_write(icdev,Sec*4,data);
if(st)
{
m_Status.SetWindowText("写数据失败!");
return;
}
m_Status.SetWindowText("写数据成功!");
}
rf_beep(icdev,10);
UpdateData(FALSE);
st = rf_halt(icdev);
}long CReadWriteTestDlg::GetBaund()
{
switch(m_BaundCtl.GetCurSel())
{
case 0:
return 9600;
case 1:
return 14400;
case 2:
return 19200;
case 3:
return 28800;
case 4:
return 38400;
case 5:
return 57600;
case 6:
return 115200;
} return 9600;
}
这个是代码,帮忙加一下转换汉字,因为第一次用,需要在配置定义什么也请大家告诉我,谢谢