jetbrick-webmvc/src/main/java/jetbrick/web/mvc/RequestContext.java
public <T> T getForm(T form) {
        RequestIntrospectUtils.introspect(form, request);
        return form;
    }
public <T> T getForm(T form) {
        RequestIntrospectUtils.introspect(form, request);
        return form;
    }
---- parameters ------------------------------------------------