qt-中英文翻译-界面支持中英文

#pragma execution_character_set("utf-8") #include "widget.h" #include <QDebug> Widget::Widget(QWidget *parent) : QWidget(parent),trans(nullptr) { QLabel* label = new QLabel(QString::fromUtf8("widget_处理")); label->setStyleSheet("QLabel{font:60px}"); QHBoxLayout* layoutMain = new QHBoxLayout(); this->setLayout(layoutMain); //layoutMain->addWidget(label); layoutMain->setContentsMargins(0,0,0,0); QFrame *mainFrame = new QFrame(); layoutMain->addWidget(mainFrame); QHBoxLayout* layoutMainFrame = new QHBoxLayout(); layoutMainFrame->setContentsMargins(0,0,0,0); mainFrame->setLayout(layoutMainFrame); //帮助 QFrame *helpFrame = new QFrame(); QHBoxLayout* layoutHMenu1 = new QHBoxLayout(); layoutHMenu1->setContentsMargins(0,0,0,0); layoutHMenu1->setSpacing(0); //1/打开帮助 m_btnOpenHelp = new QToolButton(); m_btnOpenHelp->setText(tr("打开帮助")); m_btnOpenHelp->setMaximumWidth(60); layoutHMenu1->addWidget(m_btnOpenHelp); //帮助小分类 QLabel *lable1_1 = new QLabel(this); lable1_1->setText(tr("帮助")); lable1_1->setMaximumHeight(20); lable1_1->setAlignment(Qt::AlignCenter); QVBoxLayout* layoutVMenu1 = new QVBoxLayout(); layoutVMenu1->setContentsMargins(0,0,0,0); layoutVMenu1->setSpacing(0); layoutVMenu1->addLayout(layoutHMenu1); layoutVMenu1->addWidget(lable1_1); helpFrame->setLayout(layoutVMenu1); layoutMainFrame->addWidget(helpFrame); //关于 QFrame *aboutFrame = new QFrame(); QHBoxLayout* layoutHMenu2 = new QHBoxLayout(); layoutHMenu2->setContentsMargins(0,0,0,0); layoutHMenu2->setSpacing(0); //1/关于 m_btnOpenAbout = new QToolButton(); m_btnOpenAbout->setText(tr("关于")); m_btnOpenAbout->setMaximumWidth(60); layoutHMenu2->addWidget(m_btnOpenAbout); m_btnTranslate = new QToolButton(); m_btnTranslate->setText(tr("翻译")); QObject::connect(m_btnTranslate,SIGNAL(clicked(bool)),this,SLOT(on_btnTranslate_clicked(bool))); m_btnTranslate->setMaximumWidth(60); layoutHMenu2->addWidget(m_btnTranslate); //关于小分类 QLabel *lable2_1 = new QLabel(this); lable2_1->setText(tr("关于")); lable2_1->setMaximumHeight(20); lable2_1->setAlignment(Qt::AlignCenter); QVBoxLayout* layoutVMenu2 = new QVBoxLayout(); layoutVMenu2->setContentsMargins(0,0,0,0); layoutVMenu2->setSpacing(0); layoutVMenu2->addLayout(layoutHMenu2); layoutVMenu2->addWidget(lable2_1); aboutFrame->setLayout(layoutVMenu2); layoutMainFrame->addWidget(aboutFrame); //最后加弹簧 QSpacerItem *spacer = new QSpacerItem(10, 20, QSizePolicy::Expanding, QSizePolicy::Minimum); layoutMainFrame->addItem(spacer); } Widget::~Widget() { } void Widget::on_btnTranslate_clicked(bool checked) { static bool isChinese = true; if(isChinese) { qDebug()<<"isChinese="<<isChinese; if(trans) { qApp->removeTranslator(trans); delete trans; } QString appDirPath = QCoreApplication::applicationDirPath(); //QString fileName = appDirPath+"//translate1_cn.qm"; QString fileName = QString(":/translate/translate1_cn.qm"); trans=new QTranslator; trans->load(fileName); qApp->installTranslator(trans); qApp->processEvents(); isChinese = false; } else { qDebug()<<"isChinese="<<isChinese; if(trans) { qApp->removeTranslator(trans); delete trans; } QString appDirPath = QCoreApplication::applicationDirPath(); QString fileName = QString(":/translate/translate1_en.qm"); //QString fileName = appDirPath+"//translate1_en.qm"; trans=new QTranslator; trans->load(fileName); qApp->installTranslator(trans); qApp->processEvents(); isChinese = true; } //ui->retranslateUi(this); }