qt 加载字体 c++

目录

qt 加载字体 c++

label设置大小和字体：

资源配置路径失败

解决方法：exe相对目录：

pro配置：

resource.qrc

---

qt 加载字体 c++

#include <QApplication>
#include <QLabel>
#include <QFontDatabase>
#include <QVBoxLayout>
#include <QWidget>int main(int argc, char *argv[]) {QApplication app(argc, argv);// 加载字体文件int fontId = QFontDatabase::addApplicationFont(":/path/to/hyyj.ttf");if (fontId == -1) {qWarning() << "Failed to load font!";return -1;}// 获取字体系列名称QStringList fontFamilies = QFontDatabase::applicationFontFamilies(fontId);if (fontFamilies.isEmpty()) {qWarning() << "Failed to retrieve font families!";return -1;}QString fontFamily = fontFamilies.at(0);// 创建并设置 QLabelQLabel label("Hello, Qt with custom font!");QFont customFont(fontFamily);label.setFont(customFont);// 设置布局QVBoxLayout *layout = new QVBoxLayout;layout->addWidget(&label);QWidget window;window.setLayout(layout);window.show();return app.exec();
}

label设置大小和字体：

   auto labelDetails = new QLabel(QString("1235"));int fontId = QFontDatabase::addApplicationFont("B:/project/mengzong/jianluji/0525/demo/hyyj.ttf");if (fontId == -1) {qWarning() << "Failed to load font!";return ;}// 获取字体系列名称QStringList fontFamilies = QFontDatabase::applicationFontFamilies(fontId);if (fontFamilies.isEmpty()) {qWarning() << "Failed to retrieve font families!";return ;}QString fontFamily = fontFamilies.at(0);QFont customFont(fontFamily);customFont.setPointSize(48);  // 设置字体大小labelDetails->setFont(customFont);labelDetails->setAutoFillBackground(true);labelDetails->setStyleSheet("QLabel { color : rgb(39, 255, 167); }");labelDetails->setFixedSize(300, 60);vbox->addWidget(labelDetails);

资源配置路径失败

 int fontId = QFontDatabase::addApplicationFont(":/res/raw/hyyj.ttf");

解决方法：exe相对目录：

 int fontId = QFontDatabase::addApplicationFont("./hyyj.ttf");

pro配置：

QT += core guigreaterThan(QT_MAJOR_VERSION, 4): QT += widgetsTARGET = FontExample
TEMPLATE = app# 添加字体文件到资源
RESOURCES += resources.qrc

resource.qrc

<!DOCTYPE RCC><RCC version="1.0">
<qresource><file>hyyj.ttf</file>
</qresource>
</RCC>