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添加翻译文件使用说明
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9 files changed

+492
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‎qt_I18N/main.cpp

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#include "mainwindow.h"
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#include <QApplication>
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#include <QTranslator>
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#include <QLocale>
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#include <QDebug>
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/*
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* 3. 函数中指定翻译文件
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* 如下主文件中所示
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* 需要注意的是，翻译需要依赖提取tr中的文本内容，因此需要翻译的地方需要使用tr处理对应的文本
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*
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* 当然以上步骤也能经过 工具->外部->Qt语言专家->(lupdate/lrelease)来完成
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*/
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{
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QApplication a(argc, argv);
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// 如果想做成自动根据当地语言环境来设置翻译文件，可以使用 QLocale::system().name() 来获取
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// 这样就能根据当地语言来加载不同的翻译qm文件了
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// qDebug() << QLocale::system().name(); // "zh_CN"
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QTranslator translator;
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translator.load("../qt_I18N/tra.qm");
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a.installTranslator(&translator);

‎qt_I18N/qt_I18N.pro.user

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‎qt_I18N/tra.qm

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‎qt_I18N/tra.ts

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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE TS>
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<TS version="2.1" language="zh_CN">
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<context>
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<name>MainWindow</name>
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<message>
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<location filename="mainwindow.ui" line="14"/>
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<source>MainWindow</source>
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<translation>主窗口</translation>
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</message>
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<message>
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<location filename="mainwindow.ui" line="27"/>
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<source>PushButton</source>
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<translation>按钮</translation>
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</message>
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<message>
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<location filename="mainwindow.ui" line="42"/>
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<source>File</source>
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<translation>文件</translation>
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</message>
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<message>
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<location filename="mainwindow.ui" line="59"/>
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<source>New</source>
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<translation>新建</translation>
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</message>
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<message>
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<location filename="mainwindow.cpp" line="12"/>
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<source>hello Qt!</source>
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<translation>你好QT!</translation>
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</message>
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<message>
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<location filename="mainwindow.cpp" line="16"/>
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<source>password</source>
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<comment>mainwindow</comment>
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<translation>密码</translation>
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</message>
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<message>
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<location filename="mainwindow.cpp" line="22"/>
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<source>ID is %1,Name is %2</source>
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<translation>身份证： %1,名字： %2</translation>
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</message>
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</context>
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</TS>

‎qt_whatisit/main.cpp

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#include "mainwindow.h"
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#include <QApplication>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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MainWindow w;
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w.show();
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return a.exec();
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}

‎qt_whatisit/mainwindow.cpp

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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}

‎qt_whatisit/mainwindow.h

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#ifndef MAINWINDOW_H
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#define MAINWINDOW_H
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#include <QMainWindow>
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namespace Ui {
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class MainWindow;
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}
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class MainWindow : public QMainWindow
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{
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Q_OBJECT
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public:
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explicit MainWindow(QWidget *parent = nullptr);
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~MainWindow();
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private:
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Ui::MainWindow *ui;
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};
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#endif // MAINWINDOW_H

‎qt_whatisit/mainwindow.ui

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<ui version="4.0">
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<class>MainWindow</class>
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<widget class="QMainWindow" name="MainWindow" >
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<property name="geometry" >
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<rect>
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<x>0</x>
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<y>0</y>
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<width>400</width>
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<height>300</height>
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</rect>
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</property>
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<property name="windowTitle" >
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<string>MainWindow</string>
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</property>
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<widget class="QMenuBar" name="menuBar" />
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<widget class="QToolBar" name="mainToolBar" />
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<widget class="QWidget" name="centralWidget" />
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<widget class="QStatusBar" name="statusBar" />
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</widget>
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<layoutDefault spacing="6" margin="11" />
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<pixmapfunction></pixmapfunction>
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<resources/>
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<connections/>
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</ui>

‎qt_whatisit/qt_whatisit.pro

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#-------------------------------------------------
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#
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# Project created by QtCreator 2023-09-29T11:59:34
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#
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#-------------------------------------------------
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QT += core gui
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greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
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TARGET = qt_whatisit
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TEMPLATE = app
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# The following define makes your compiler emit warnings if you use
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# any feature of Qt which has been marked as deprecated (the exact warnings
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# depend on your compiler). Please consult the documentation of the
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# deprecated API in order to know how to port your code away from it.
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DEFINES += QT_DEPRECATED_WARNINGS
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# You can also make your code fail to compile if you use deprecated APIs.
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# In order to do so, uncomment the following line.
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# You can also select to disable deprecated APIs only up to a certain version of Qt.
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#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
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CONFIG += c++11
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SOURCES += \
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main.cpp \
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mainwindow.cpp
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HEADERS += \
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mainwindow.h
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FORMS += \
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mainwindow.ui
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# Default rules for deployment.
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qnx: target.path = /tmp/$${TARGET}/bin
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else: unix:!android: target.path = /opt/$${TARGET}/bin
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!isEmpty(target.path): INSTALLS += target

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