unsigned char uch = string.toInt(&ok, 16); 12、unsigned char转QString unsigned char uch; QString string = QString::number(uch,16); 13、int转QString int m; QString string; string=QString::number(m); 14、QString转int QString string; int m; m=string.toInt(); 11和12主要用在串口...
6. QByteArray 转为unsigned char * QByteArray byteArray;unsignedchar*p=(unsignedchar*)byteArray.data(); 附注: 16进制字符转QByteArray QByteArray array;array.resize(2);// array[0]=0X00;// array[1]=0X04;boolok;charbyte1=QString("00").toInt(&ok,16);charbyte2=QString("04").toInt(...
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); return puchar; } 数...
4 结构体转QByteArray 5 char*和QByteArray 5.1 char*转QByteArray 5.2 QByteArray转char* 6 QByteArray和unsigned char * 6.1 QByteArray转unsigned char * 6.2 unsigned char *转 QByteArray...
QT之QCharQChar 类是 Qt 中用于表示一个字符的类,实现在 QtCore 共享库中。QChar 类内部用2个字节的Unicode编码来表示一个字符。一、编码//char类型是c/c++中内置的类型,描述了1个字节的内存信息的解析。 char g…
5. const char * 转 unsigned char * const char *ch = "hello world !"; unsigned char *ret = (unsigned char *)ch; 1 2 6. const unsigned char * 转 QString const unsigned char str[5] = {'t', 'e', 's', 't'}; string s = (char *)str; ...
const char *p = qstr.toStdString().data(); 转换过来的是常量 把当前时间转化为QString... public QDateTime qdate = QDateTime.currentDateTime(); datetime = qdate.toString("yyyy年MM月dd日ddddhh:mm:ss"); 如果不是QTime和QDate类比如说:通过TCP/IP接收到的char unsigned char 类等如何转换为Q...
QString unsigned char* 的转换,http://wxpjiujiang.blog.163.com/blog/static/203994030201292661134137/ReadMore
//QString 转 char *QString str;char*ch;QByteArray byte=str.toUtf8();ch=byte.data();QString str;std::string string=str.toStdString();constchar*ch=string.c_str();//char * 转 QStringconstchar*ch="hello";QStringstr(ch);constchar*ch="hello";QString str=QString::fromUtf8(ch);...
//int转doubleint a=1234;double b;b=a;//直接赋值就可以//double转intdouble c=123.456;int d;d=c;//d的结果为123,即只取整数部份d=c*1000;//乘1000将小数消掉即可,注意int位数要求,避免溢出 2,int与string 代码语言:javascript 复制 //int转stringint a=123456;string b;b=std::tostring(a);//...