temp/show1/main.cpp

#include <QApplication>
#include <QFontDatabase>
#include <QDebug>

#include "widget.h"
#include "spdlog/spdlog.h"


void addFont();

int main(int argc, char *argv[])
{
    
    QApplication a(argc, argv);
    addFont();


    Widget w;
    w.show();

    return a.exec();
}


/* 加载字体 */
void addFont()
{
    /* 加载字体 */
    int id1 = QFontDatabase::addApplicationFont(R"(:/Font/font/SiYuanBlack_ttf/SiYuanBlack_Bold.ttf)");
    int id2 = QFontDatabase::addApplicationFont(R"(:/Font/font/SiYuanBlack_ttf/SiYuanBlack_M.ttf)");
    int id3 = QFontDatabase::addApplicationFont(R"(:/Font/font/SiYuanBlack_ttf/SiYuanBlack_R.ttf)");
    /***************************************************
     * 字体使用方式
     * id1 ("思源黑体-粗")
     * id2 ("思源黑体M")
     * id3 ("思源黑体R")
    ****************************************************/
    //    SPDLOG_LOGGER_DEBUG(m_logger,"id1 = {}",QFontDatabase::applicationFontFamilies(id1));
    // SPDLOG_DEBUG("id1 = {}", QFontDatabase::applicationFontFamilies(id1));
    // SPDLOG_DEBUG("id2 = {}", QFontDatabase::applicationFontFamilies(id2));
    // SPDLOG_DEBUG("id3 = {}", QFontDatabase::applicationFontFamilies(id3));
    QFont font_main;
    font_main.setFamily("思源黑体M");
    font_main.setPixelSize(14);
    QApplication::setFont(font_main);
}