public class BeetlConfiguration extends BeetlGroupUtilConfiguration {

    @Autowired

    private Environment env;

    @Autowired

    private DictSelectorTag dictSelectorTag;

    @Override

    public void initOther() {

        groupTemplate.registerFunctionPackage("shiro", new ShiroExt());

        groupTemplate.registerFunctionPackage("tool", new ToolUtil());

        groupTemplate.registerFunctionPackage("kaptcha", new KaptchaUtil());

        groupTemplate.registerTagFactory("dictSelector", () -> dictSelectorTag);

        groupTemplate.registerFunction("env", new Function() {

            @Override

            public String call(Object[] paras, Context ctx) {

                String key = (String) paras[];

                String value = env.getProperty(key);

                if (value != null) {

                    return getStr(value);

                }

                if (paras.length == ) {

                    return (String) paras[];

                }

                return null;

            }

            String getStr(String str) {

                try {

                    return new String(str.getBytes("iso8859-1"), StandardCharsets.UTF_8);

                } catch (UnsupportedEncodingException e) {

                    throw new RuntimeException(e);

                }

            }

        });

    }

}