QString A;
char *B
QTextCodec *codec = QTextCodec::codecForName("GBK");
B = codec->fromUnicode(A).data();
A = codec->toUnicode(B);
///////////////////////
#include <QByteArray>
QString A;
QByteArray ba = A.toLatin1();
char *B = ba.data();
QString A;
char *B
QTextCodec *codec = QTextCodec::codecForName("GBK");
B = codec->fromUnicode(A).data();
A = codec->toUnicode(B);
///////////////////////
#include <QByteArray>
QString A;
QByteArray ba = A.toLatin1();
char *B = ba.data();