//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;分类: Qt 好...
QString str = "fdd"; QByteArray ba = str.toLatin1(); unsigned char * str1 = (unsigned char *)ba.data;
相互转化以及字符串截取 string 与QString转化std:string cstr;QString qstring;/*从std:string 到QStringqstring = QString(QString:fromLocal8Bit(cstr.c_str();/*从QString 到 std:stringcstr = string(const char *)qstring.toLocal8Bit();Qt中 QString 和int, char等的“相互”转换Qt中 int ,...
QString str1 = QString::fromLocal8Bit(ch); qDebug() << str1; // "hello world !" QString str2(ch); qDebug() << str2; // "hello world !" 1 2 3 4 5 6 7 5. const char * 转 unsigned char * const char *ch = "hello world !"; ...
使用Qt开发嵌入式时,常引用一些C语言的驱动,那就涉及到QString和char *之间的互相转换,方法如下,直接上代码: // char[]转QStringunsignedcharbuf[3]={0x2,0x56,0xff};QString str;for(inti=0;i<sizeof(buf)/sizeof(buf[0]);i++){str+=QString::number(buf[i]);}ui->textBrowser->append(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QSt...
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...
int hex =str.toInt(&ok,16); //hex=255;ok=true; 3.常整形转换为Qstring形 long a =63; QString str=QString::number(a,16);//str="3f"; QString str=QString::number(a,16).toUpper();//str="3F"; Qstring转换char*问题! 方法一: ...
//int转stringint a=123456;string b;b=std::tostring(a);//string转intstring c="123456";int d;d=atoi(c.c_str());//string转float 用 atof() 3,int与QString 代码语言:javascript 复制 //int转QStringint a=123456;QString b;b=QString::number(a,10,5);//QString::number(a,基底,精度)...
//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;分类: Qt 好...