@文心快码BaiduComateqt unsigned char转qbytearray 文心快码BaiduComate 在Qt中,将unsigned char转换为QByteArray是一个常见的操作,通常用于处理二进制数据。以下是分步骤的详细解释和示例代码: 1. 理解unsigned char数据类型和QByteArray类的基本概念unsigned char...
1.2 int【10进制】转QByteArray int i = 2; QByteArray res; res.resize(4); //小端存储,数据的低位在字节的高位 res[3] = (unsigned char)(0x000000ff & i); res[2] = (unsigned char)((0x0000ff00 & i)>>8); res[1] = (unsigned char)((0x00ff0000 & i)>>16); res[0] = (unsign...
//unsiged char *转QString unsigned char *str = "fdd" ; char *str1 = (char *)str; QString str2 = QString(QLatin1String(str1)); //QString 转化成char * QString str = "fdd"; QByteArray ba = str.toLatin1(); unsigned char * str1 = (unsigned char *)ba.data;...
16);//QByteArray存放的就是二进制数据,注意下=> QByteArray info; int packetLen = (unsigned char)info.at(2);//左移(扩大)=> packetLen<<=8;//数字转其他进制并输出字符串=>//int n = 63;QByteArray::number(n);//returns "63"//int n = 63;QByteArray::number(n, 16);//returns "3f"...
Qt unsigned char *与QString之间的相互转换 //unsiged char *转QString unsigned char *str = "fdd" ; char *str1 = (char *)str; QString str2 = QString(QLatin1String(str1)); //QString 转化成char * QString str = "fdd"; QByteArray ba = str.toLatin1(); unsigned char * str1 =...
QString转unsigned char QString string;bool ok;unsigned char uch = string.toInt(&ok, 16); 二、String的转换 String转QString QString string;std::string str;string = QString::fromStdString(str); 三、QByteArray的转换 QByteArray转char * ...
QString转uint8_t unsigned char puchar[1024]; uint8_t *qstring2uint8(QString string){ char * pchar; QByteArray temparr; int len; temparr = string.toLatin1(); pchar = temparr.data(); len = temparr.size(); //将得到的char类型转为uchar convertStrToUnChar(pchar,puchar,len); retu...
QByteArray env=qgetenv("path"); qDebug()<<QString::fromLocal8Bit(env.constData()); 12 QSize(int,int) QSizeF(qreal,qreal) QSize size(100,10); QSize size1(100,10); size.rheight()+=4; size1.rwidth()+=4; QSizeF size2(100,10); ...
1. QString 转换为 Hex ByteArray voidSimSerialPort::convertStringToHex(constQString&str,QByteArray&byteData){inthexdata,lowhexdata;inthexdatalen=0;intlen=str.length();byteData.resize(len/2);charlstr,hstr;for(inti=0;i<len;){//char lstr,hstr=str[i].toLatin1();if(hstr==' '){i...
1、QString转换为QByteArray QString str ="123456";QByteArraybyte= str.toUtf8();//转换为Utf8格式byte.toLocal8Bit();//转换为本机编码格式 2、QByteArray转换为char * QByteArraybyte = "123456";char*c;c =byte.data(); 3、char *转换为QString ...