How to use

registerFunctions

method

in

jetbrick.template.resolver.GlobalResolver

/**
 * 自动扫描 annotation
 */
public void scan(List<String> packageNames, boolean skipErrors) {
  //@formatter:off
  @SuppressWarnings("unchecked")
  List<Class<? extends Annotation>> annotations = Arrays.asList(
    JetAnnotations.Methods.class,
    JetAnnotations.Functions.class,
    JetAnnotations.Tags.class
  );
  //@formatter:on
  log.info("Scanning @JetMethods, @JetFunctions, @JetTags implements from " + packageNames + " ...");
  long ts = System.currentTimeMillis();
  Set<Class<?>> classes = ClassFinder.getClasses(packageNames, true, annotations, skipErrors);
  log.info("Found {} annotated classes, time elapsed {} ms.", classes.size(), System.currentTimeMillis() - ts);
  for (Class<?> cls : classes) {
    for (Annotation anno : cls.getAnnotations()) {
      if (anno instanceof JetAnnotations.Methods) {
        registerMethods(cls);
      } else if (anno instanceof JetAnnotations.Functions) {
        registerFunctions(cls);
      } else if (anno instanceof JetAnnotations.Tags) {
        registerTags(cls);
      }
    }
  }
}

resolver.registerFunctions(Commons.class);
resolver.registerFunctions(Theme.class);
resolver.registerFunctions(AdminCommons.class);
resolver.registerTags(JetTag.class);

private GlobalResolver doCreateGlobalResolver() {
  log.debug("Initializing global resolver ...");
  GlobalResolver resolver = new GlobalResolver();
  resolver.importClass("java.lang.*");
  resolver.importClass("java.util.*");
  for (String className : config.getImportClasses()) {
    resolver.importClass(className);
  }
  resolver.registerMethods(JetMethods.class);
  for (String className : config.getImportMethods()) {
    resolver.registerMethods(className);
  }
  resolver.registerFunctions(JetFunctions.class);
  for (String className : config.getImportFunctions()) {
    resolver.registerFunctions(className);
  }
  resolver.registerTags(JetTags.class);
  for (String className : config.getImportTags()) {
    resolver.registerTags(className);
  }
  List<String> packageNames = config.getAutoscanPackages();
  if (!packageNames.isEmpty()) {
    resolver.scan(packageNames, config.isAutoscanSkiperrors());
  }
  return resolver;
}

@Override
public void load(Blade blade) {
  // 使用 gson 作为 JSON 支持
  JsonKit.jsonSupprt(new GsonSupport());
  DBUtils.importSql(blade.devMode());
  Anima.open(DBUtils.DB_SRC);
  JetbrickTemplateEngine templateEngine = new JetbrickTemplateEngine();
  templateEngine.getGlobalResolver().registerFunctions(TemplateExt.class);
  blade.templateEngine(templateEngine);
  // 初始化主题、全局变量信息
  Option theme = select().from(Option.class).where(Option::getKey, CURRENT_THEME).one();
  if (null != theme) {
    IndexController.THEME_NAME = theme.getValue();
  }
  List<Option> all = select().from(Option.class).all();
  if (null != all) {
    GLOBAL_CONFIG = all.stream().collect(toMap(Option::getKey, (Option::getValue)));
  }
  payApi = PayApi.getPayApi(GLOBAL_CONFIG.get(SAFE_PLATFORM));
}

engine.getGlobalResolver().registerFunctions(JetWebFunctions.class);
engine.getGlobalResolver().registerTags(JetWebTags.class);

engine.getGlobalResolver().registerFunctions(JetWebFunctions.class);
engine.getGlobalResolver().registerTags(JetWebTags.class);