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如何在Qt中将QVariant转换为QString，反之亦然？

[英]How can I convert QVariant to QString and vice versa in Qt?

原文 2011-08-29 10:19:27 2 1 c++/ qt

How can I convert QVariant to QString and Vice versa? 如何将QVariant转换为QString，反之亦然？

Thanks 谢谢

1 个解决方案

From string: 来自字符串：

QString qs;
QVariant qv(qs);

To string: 要字符串：

QString qs = qv.toString();

Tip: reading the help helps. 提示：阅读帮助有帮助。

我如何转换QMap <QString, QMap<QString, int> >到QVariant？ - How do I convert QMap<QString, QMap<QString, int> > to a QVariant?

在 Qt 中将 QString 转换为 Ascii 值，反之亦然 - Converting QString to Ascii value & Vice Versa in Qt

如何将std :: string转换为QString保留值，反之亦然？ - How to convert std::string to QString preserving values and vice versa?

将 unsigned char* 转换为 QString，反之亦然 - Convert unsigned char* to QString and vice versa

将任何QVariant转换为QString - Convert any QVariant to QString

如何在Qt5中从QVariant获取QString形式的数据？ - How to get data in form of QString from QVariant in Qt5?

如何将ANSI字符（char）转换为Unicode字符（wchar_t），反之亦然？ - How can I convert from ANSI character (char) to Unicode character (wchar_t) and vice versa?

如何在 C++ 中将月份名称（3 个字母缩写）转换为月份编号，反之亦然？ [等候接听] - How can I convert month names (3 letter abbreviation) to month number, and vice versa, in C++? [on hold]

如何将结构转换为无符号字符，反之亦然？ - How do I convert a struct to an unsigned char and vice versa?

如何将System :: WideString转换为char *，反之亦然？ - How do I convert System::WideString to a char* and vice versa?

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