hexByte; } } return result; } int main(int argc, char *argv[]) { QCoreApplication a(argc, argv); QString hexString = "48656C6C6F"; // "Hello" in hexadecimal QString result = hexStringToQString(hexString); qDebug
[ ..\16To2\mainwindow.cpp 17 ] hex 2 format string: 0xff 1. 运行: 16进制转换成字符串并每两位加空格 示例: QByteArray baHex = QByteArray::fromHex("11223344aabbccdd"); QString strHex = baHex.toHex(); strHex = strHex.replace(QRegularExpression("(..)"), "\\1 "); qDebug().no...
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 ...
QByteArray cmdBA = HexStringToByteArray(cmdString); qDebug()<<ByteArrayToHexString(cmdBA); return a.exec(); } 1、QString的arg()方法用于填充字符串中的%1,%2...为给定的参数,如 QString m = tr("%1:%2:%3").arg("12").arg("60").arg("60"); // m = "12:60:60: 2、它还有另...
对于QString和QByteArray,他们都有一个toInt的静态函数,QString::toInt()是根据string的字面值转化为int类型,比如string:"123",转化为int类型就变为int:123。而对于QByteArray::toInt()是将16进制的数据转化为10进制之后得到int类型,比如byte:0xf8-->dec:248-->int:248。
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 ...
pointer to const int int const * ptr2; // (2.) same as 1. int* const ptr3; ... 夕西行 0 685 python---int转换 2019-12-10 17:29 − 定义:int魔法是将字符串或其他类型转换成整型格式:int(XXX,[base = 进制])含义:若不加“base”参数则会将传入数据以二进制形式转换为整数形式 ...
3. int ,float ,double to QString ①正规 int num = 79; float fnum = 79.99; QString qnum = QString::number(num); //默认为十进制转换,其他进制转换需显示指定 QString qnum = QString::number(fnum); QString qhex = QString::number(num,16).toUpper(); //十六进制大写 qhex = 4F ...
QString str1 = "FF"; QString str2 = "23"; 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...
( QString )Hex -> ( int )Dec :int Dec = QString("FFFF").toInt( &isOk,16); (int)Dec -> ( QString )Hex :QString str1 = QString::number( int x , int y ); 或 QString str2 = QString("%1").arg(int x , int width , int y , QLatin1Char('0')); 都可 ...