1:字符 16進製表示
static char ConvertHexChar(char ch)
{
if((ch >= '0') && (ch <= '9'))
return ch-0x30;
else if((ch >= 'A') && (ch <= 'F'))
return ch-'A'+10;
else if((ch >= 'a') && (ch <= 'f'))
return ch-'a'+10;
else return (-1);
}
2:16進制字符串轉字節數組
QByteArray HexStrToByteArray(QString str)
{
QByteArray senddata;
int hexdata,lowhexdata;
int hexdatalen = 0;
int len = str.length();
senddata.resize(len/2);
char lstr,hstr;
for(int i=0; i<len; )
{
hstr=str[i].toAscii();
if(hstr == ' ')
{
i++;
continue;
}
i++;
if(i >= len)
break;
lstr = str[i].toAscii();
hexdata = ConvertHexChar(hstr);
lowhexdata = ConvertHexChar(lstr);
if((hexdata == 16) || (lowhexdata == 16))
break;
else
hexdata = hexdata*16+lowhexdata;
i++;
senddata[hexdatalen] = (char)hexdata;
hexdatalen++;
}
senddata.resize(hexdatalen);
return senddata;
}
3:字節數組轉16進制字符串
QString ByteArrayToHexStr(QByteArray data)
{
QString temp="";
QString hex=data.toHex();
for (int i=0;i<hex.length();i=i+2)
{
temp+=hex.mid(i,2)+" ";
}
return temp.trimmed().toUpper();
}
4:16進制字符串轉10進制
uchar StrHexToDecimal(QString strHex)
{
bool ok;
return strHex.toInt(&ok,16);
}
5:10進制字符串轉10進制
uchar StrDecimalToDecimal(QString strDecimal)
{
bool ok;
return strDecimal.toInt(&ok,10);
}
6:16進制字符串轉2進制字符串
QString StrHexToStrBin(QString strHex)
{
uchar decimal=StrHexToDecimal(strHex);
QString bin=QString::number(decimal,2);
計算校驗碼
uchar GetCheckCode(uchar data[],uchar len)
{
uchar temp=0;
for (uchar i=0;i<len;i++)
{
temp+=data[i];
}
return temp%256;
}
uchar len=bin.length();
if (len<8)
{
for (int i=0;i<8-len;i++)
{
bin="0"+bin;
}
}
return bin;
}
延時
static void Sleep(int sec)
{
QTime dieTime = QTime::currentTime().addMSecs(sec);
while( QTime::currentTime() < dieTime )
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
獲取當前日期時間星期
static QString GetLongDateTime()
{
QDateTime time=QDateTime::currentDateTime();
return time.toString("yyyy年MM月dd日 hh時mm分ss秒 dddd");
}