How to change English to Chinese using C++ software

Localizing the English interface or text content in C software to Chinese involves internationalization and localization processes. Internationalization includes using resource files to store translatable strings, avoiding hard-coded strings, and handling different locales and character encodings. Once the Chinese translation is created, localization involves selecting the correct resource files and loading the translation at runtime based on user settings. Frameworks such as Qt provide strong support for internationalization, allowing developers to easily manage multilingual resources and translations.

Changing the English interface or text content in C software into Chinese usually involves the localization or internationalization process of the software.

This process mainly includes the following steps:

1. Internationalization (I18n):
   • Use resource files (such as .properties, .xml or .resx) in the code etc., depending on the framework or library you use) to store all translatable strings.
   • Avoid hardcoding strings in your code, instead use functions or methods to obtain these strings.
   • Ensure that the code can handle different locales and character encodings.
2. Create Chinese translation:
   • Extract all strings that need to be translated.
   • Translate these strings into Chinese.
   • Store Chinese translations in new resource files. Usually these files will have specific language tags, such as zh_CN for Simplified Chinese.
3. Localization:
   • At runtime, select the corresponding resource file according to the user's language settings or program configuration.
   • Loads and displays the correct translation.

For C programs, you may need to use some libraries or frameworks to help you manage these resource files and translations. For example, the Qt framework provides strong internationalization support, allowing you to easily manage multi-language resources.

The following is a simple Qt example showing how to display different languages ​​based on user settings:

1. Create resource files:
   • Use the Qt Linguist tool to create a .ts file and add the strings that need to be translated.
   • Translate these strings and save the .ts file.
   • Use the lrelease tool to convert the .ts file to a .qm file, which is the translation file Qt uses for runtime loading.

2. Use resource files in C code:

cpp
#include <QTranslator>
#include <QApplication>
int main(int argc, char *argv[]) {
QApplication app(argc, argv);
QTranslator translator;
QString locale = QLocale::system().name(); // Get system language settings
if (translator.load(":/translations/" locale ".qm")) { // Load the corresponding translation file
app.installTranslator(&translator); // Install translator
}
// ...your program code ...
return app.exec();
}

1. Compile and run:
   • Make sure your program can find these resource files when compiling. In Qt, you can use .qrc resource files to include these .qm files.
   • Run your program and it will display the corresponding language according to the system's language setting.

Please note that this process may vary depending on the framework, library or tool you use. For C programs that don't use Qt, you may need to manually manage these resource files and translations, or find other libraries that support internationalization and localization.

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