String转换QString

在QT中，可以使用两种方法将std::string转换为QString。第一种方法是使用QString的fromStdString()函数，将std::string转换为QString。示例代码如下：

std::string str = "Hello";
QString qstr = QString::fromStdString(str);

另一种方法是使用QString的fromLocal8Bit()函数，将std::string转换为QString。示例代码如下：

std::string str = "Hello";
QString qstr = QString(QString::fromLocal8Bit(str.c_str()));

需要注意的是，fromLocal8Bit()函数用于处理本地字符编码，如果您的std::string包含非本地字符，建议使用fromStdString()函数进行转换。

请根据您的需求选择适合的方法进行String转换QString。<span class="em">1</span><span class="em">2</span><span class="em">3</span><span class="em">4</span>
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