QSting, QChar, char等的轉換

1，QChar 轉換char: char QChar::toLatin1();char QChar::toAscii();

2,Char轉QChar: QChar(char ch);

3,QString 轉char*:

QString str; char *ch; QByteArray ba=str.toLatin1();ch = ba.data();

4,char *轉QString:

char *c_str = "hellow";QString str=QString(QLatin1String(c_str));

5,QString 轉QChar*:

QString str = "hellow"; QChar *char = new QChar[10]; char = str.data();

6,QChar 轉QString: QString(QChar ch);

 

7,QString轉數字：QString::toxxx.

8,數字轉QString: QString::number(), setNum