QString str(“hello world!”);
转成const char *
- const char * arr = str.toStdString.c_str();
- const char * arr = str.toLatin1().constData(); //toUtf8()
转成 char *
3. char * arr = str.toStdString.data();
4. char * arr = str.toLatin1().data(); //toUtf8()
…
特别地,char * 转QString就比较简单了
- QLatinlString(const char *) -> QString(QLatinlString str)
- QString(const char *)
- QString QString::fromStdString(const std::string &str)