**用字符表示的十六进制值转化为十进制，ASCII码**
bool ok;QStringList list;//初始化list的内容为：list = ("30", "31", "32", "33", "34", "35", "36", "37", "38", "39", "43", "44", "4D", "4E")//初始化listfor(int i =0 ;i<10;i++){QString temp = QString::number(30+i,10);list<<temp;}list<<"43"<<"44"<<"4D"<<"4E";qDebug()<<"list ="<<list; //list的十六进制数初始值for(int i = 0 ;i<list.size() ;i++){QString str_hex = list.at(i); //获取十六进制数int dec = str_hex.toInt(&ok,16); //十六进制转十进制char st = dec;//十进制数用char类型表示--->必须有此步直接转化不可行QString str_ascii = QString(st); //转化为ASCII值qDebug()<<" str_hex ="<<str_hex<<" dec ="<<dec<<" st ="<<st<<" ascii ="<<str_ascii;}//清空以便于之后的重新赋值list.clear();
ASCII码值转十六进制，十进制数
//初始化listfor(int i =0 ;i<10;i++){QString temp = QString::number(i,10);list<<temp;}list<<"C"<<"D"<<"M"<<"N";qDebug()<<"list ="<<list; //list的ASCII码初始值for(int i = 0 ;i<list.size() ;i++){QString str_ascii = list.at(i); //获取ASCII值QByteArray ascii = str_ascii.toLatin1();//转化为QByteArray类型便于转化为十六进制QByteArray ascii_H = ascii.toHex();//将ASCII值转化为十六进制数值QString str_hex = QString(ascii_H).toUpper();//十六进制数的大写表示int dec = str_hex.toInt(&ok,16); //十六进制数转化为十进制数qDebug()<<" str_ascii ="<<str_ascii<<" ascii ="<<ascii<<" ascii_H ="<<ascii_H<<" str_hex ="<<str_hex<<" dec ="<<dec;}
若有错误请谅解！
