创建一个返回类型为QByteArray的函数 Hexstring2QByteArray 通过每两位两位的方式将所有内容转为char再用QByteArray进行尾部添加 1QByteArray Hexstring2QByteArray(QString str)2{3QByteArray Hexstr;4boolok;5for(inti =0; i < str.size(); i +=2)6{7Hexstr.append((char)str.mid(i,2).toInt(&ok,16...
Qt Demo,需要将字符串与byte数组互转,参考: https://stackoverflow.com/questions/37802575/qt-c-qstring-to-qbytearray-conversion 代码很简单: 1. 字符串转byte数组 QString str = "ABC"; QByteArray bytes = str.toUtf8(); 2. byte数组转字符串 QString str = QString::fromUtf8(data); ——— ...
https://stackoverflow.com/questions/37802575/qt-c-qstring-to-qbytearray-conversion 代码很简单: 字符串转byte数组 QStringstr="ABC"; QByteArraybytes=str.toUtf8(); 1. 2. byte数组转字符串 QStringstr=QString::fromUtf8(data); 1....
QByteArray ba = QByteArray::fromHex("4142434445"); //把Hex编码转换为char存储到QByteArray //参数 16进制的数据 两位一个字节 QString s=ba.toHex(); //把QByteArray转为Hex编码 //"4142434445" int n = 63; s=QByteArray::number(n); //把数值转换成字符串 //"63" s=QByteArray::number(n,16...
QByteArrar转char* 通过constData()转换 QByteArray ba("Hello"); const char * str = ba.constData(); std::cout << str << std::endl; 1. 2. 3. char*转QByteArrar 通过QString的字符集转换 const char *p = "abc"; QString c = QString(p); ...
Qt Demo,需要将字符串与byte数组互转,参考: https://stackoverflow.com/questions/37802575/qt-c-qstring-to-qbytearray-conversion 代码很简单: 字符串转byte数组 QStringstr="ABC"; QByteArraybytes=str.toUtf8(); 1. 2. byte数组转字符串 ...
Qt Demo,需要将字符串与byte数组互转,参考: https://stackoverflow.com/questions/37802575/qt-c-qstring-to-qbytearray-conversion 代码很简单: 1. 字符串转byte数组 QString str = "ABC"; QByteArray bytes = str.toUtf8(); 1. 2. 2. byte数组转字符串 ...