QT开发 - char*与QString转换

2022-09-24 268 阅读1分钟

char*转QString

方法一

char *ch = "hello";
QString str(ch);

方法二

char *ch = "world";
QString str1 = QString::fromUtf8(ch);
QString str2 = QString::fromLocal8bit(ch);
QString str3 = QString::fromUtf16(ch);

QString转char*

方法一

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

方法二

QString str("world");
std::string cpp_str = str.toStdString();
char *ch = cpp_str.c_str();