unsigned char是无符号字符,代表的范围为0-255,转QString要通过int来牵线,下面直接上代码与图: QString uncharToQstring(unsignedchar* id,intlen) { QString temp,msg;intj =0;while(j<len) { temp= QString("%1").arg((int)id[j],2,16, QLatin1Char('0')); msg.append(temp); j++; }retu...
使用QString::fromUtf8()或其他适合的编码方式将unsigned char*转为QString: 如果数据是以UTF-8编码的,可以使用QString::fromUtf8()方法。如果数据使用其他编码,需要选择相应的QString构造方法或转换函数。 示例代码(假设数据是UTF-8编码的): cpp unsigned char* data = ...; // 指向要转换的数据 int lengt...
QString -> unsigned char* : QString str = "ABCD"; int length = str.length(); unsigned char* sequence = NULL;sequence =(unsigned char*)qstrdup(str.toAscii().constData()); delete[] sequence; - sequence length = 5 --> ['A'] ['B'] ['C'] ['D'] ['/0'] - sequence is now...
QString -> unsigned char* : QString str = "ABCD"; int length = str.length(); unsigned char* sequence = NULL; sequence =(unsigned char*)qstrdup(str.toAscii().constData()); delete[] sequence; - sequence length = 5 --> ['A'] ['B'] ['C'] ['D'] ['/0'] - sequence is n...
QString datastr = msg.mid(24,8);//QString转数字=> packetLen=str.toUInt(&ok,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...
extern static声明头.如果不加public ,函数默认为私有函数，调用就会出错。 [DllImport("CO ...
Qt unsigned char *与QString之间的相互转换 2020-01-09 09:19 −... 一杯清酒邀明月 0 7772 unsigned char printf 如何输出 2019-12-10 15:10 −参考链接:https://blog.csdn.net/m0_37362454/article/details/88639668 #include <stdio.h> int main() { unsigned char ch = 23; printf("ch = ...
bool ok; qDebug() << bytes.toInt(&ok, 16); // 然后转16进制数 qDebug() << ok...
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...
QString qstr = "中文123"; std::string str = qstr.toLocal8Bit(); for(int i = 0; i < str.size(); i++) { vec.push_back(str.at(i)); }