1、QString转换成十六进制 1voidConvertQStringToHex(constQString &str,constQByteArray&byte)2{3inthexData,lowhexData;4inthexdataLen=0;5intlen =str.length();6byte.resize(len/2);7charlstr,hstr;8for(inti=0;i<len;)9{10hstr
1. qt 中两个字符的字符串直接转换为 hex,类似于 ”1A" 要转换成 16进制的 0x1A,使用 int QString::toInt(bool *ok, int base)。具体如下: QString str = "0x1A"; int value = str.toInt(nullptr, 16); uint8_t tmp = static_cast<uint8_t>(str.toUInt(nullptr, 16)); 2. 如果是字符...
Qt_QString和十六进制互转 #include <QCoreApplication> #include <QDebug> #include <QDataStream> QByteArray HexStringToByteArray(QString HexString) { bool ok; QByteArray ret; HexString = HexString.trimmed(); HexString = HexString.simplified(); QStringList sl = HexString.split(" "); foreach ...
196 + QString("%1").arg(ui->lineEdit_menu->text().toShort(),2,16,QChar('0')) 197 + QString("%1").arg(ui->lineEdit_speed->text().toShort(),2,16,QChar('0')) 198 + QString("%1").arg(ui->lineEdit_FP->text().toShort(),2,16,QChar('0')) 199 + QString("%1")...
2、 QString 转换为 int类型 基数默认为10,基数须在2到36之间; Qstring str="FF";bool ok;int dec=str.toInt(&ok,10); //dec=255 ; ok=true //QString 转 intint hex =str.toInt(&ok,16); //hex=255;ok=true; //QString 转 int ...
qDebug()<<buff.toHex()<<" len: "<<nLen; 2、Char转十六进制 QByteArraybuff; buff.resize(2); buff[0]=0x55; buff[1]=0x45; QStringstrHex=QString::number(buff.at(0),16); 3、QString转QByteArray QByteArraytext=QByteArray::fromHex(strHex.toLatin1());...
(); } //将字符型进制转化为16进制 QByteArray MainWindow::QString2Hex(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].toLatin1(); //...
QString str3 = "12.3"; bool ok = false; int hex = str1.toInt(&ok,16); // hex == 255, ok == true int dec = str2.toInt(); // dec == 23, ok == true float fNum = str3.toFloat(); // fNum == 12.3, ok == true ...
hexByte; } } return result; } int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QString hexString = "48656C6C6F"; // "Hello" in hexadecimal QString result = hexStringToQString(hexString); qDebug() << "Converted string:" << result; return a.ex...
你说的十六进制是 类似“CA”之类的 文本 吧,在Qt的帮助文档中注意看这个函数:int QString::toInt ( bool * ok = 0, int base = 10 ) const注意其中的 ‘base’QString str = "FF";bool ok;int hex = str.toInt(&ok, 16); // hex == 255, ok == true 0 0 0 汪汪一只猫 类似“02e3...