36黑马QT笔记之QString、QByteArray、char*的互相转换
1 直接看代码:
#if 0
//QString -> QByteArray
QString str = "123";
QByteArray array = str.toUtf8(); //中文
//QByteArray -> QString
str=QString(array);
//QByteArray -> char *
char *b = array.data();
//char * -> QByteArray 需要用到中间变量QString
char *p = "abc";
QString str1=QString(p);
array=str1.toUtf8();
#endif