鸿蒙中如何自定义字体文件

Text text  = (Text) findComponentById(ResourceTable.Id_text);
try {
    setTypeface(MainAbilitySlice.this, text, "huakangshaonv.ttf");
} catch (IOException e) {
    e.printStackTrace();
}
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public static void setTypeface(Context context, Text text, String typeface) throws IOException {
    if (TextTool.isNullOrEmpty(typeface)) {
        return;
    }

    File file = new File(context.getCodeCacheDir(), typeface);
    OutputStream outputStream = null;
    ResourceManager resManager = context.getResourceManager();
    RawFileEntry rawFileEntry = resManager.getRawFileEntry("resources/rawfile/fonts/" + typeface);

    Resource resource = null;
    try {
        resource = rawFileEntry.openRawFile();

        outputStream = new FileOutputStream(file);
        int index;
        byte[] bytes = new byte[1024];
        if (resource != null) {
            while ((index = resource.read(bytes)) != -1) {
                outputStream.write(bytes, 0, index);
                outputStream.flush();
            }
            Font.Builder builder = new Font.Builder(file);
            Font font = builder.build();
            text.setFont(font);
        }
    } catch (FileNotFoundException | NullPointerException ignored) {
    } finally {
        resource.close();
        outputStream.close();
    }
}
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