Thanks . It works (but seems a little duplication) Andrew Geery <[email protected]> 於 2018年6月16日 週六 下午5:32寫道：
> You have to use the TextField constructor that specifies the type of the > model: > > https://ci.apache.org/projects/wicket/apidocs/8.x/org/apache/wicket/markup/html/form/TextField.html#TextField-java.lang.String-org.apache.wicket.model.IModel-java.lang.Class- > > It should be: > > add(new TextField<>("year", LambdaModel.of(obj::getYear, obj::setYear), > Integer.class)); > > That one always gets me too... > > Thanks > Andrew > > On Sat, Jun 16, 2018 at 3:30 AM smallufo <[email protected]> wrote: > > > After upgrading to 8.0 , I tried the exciting LambdaModel , try to > replace > > the non-TypeSafety PropertyModel > > But I found it cannot handle type intelligently. > > For a TextField<Integer> , for example : > > > > form.add(new TextField<Integer>("year", LambdaModel.of(obj::getYear, > > obj::setYear ))); > > > > At runtime , it reports Cannot cast from String to Integer. > > > > I have to rewrite getter / setter to String type (and do conversion in > > setter ) , but the backing field is Integer type. (And change > > TextField<Integer> to TextField<String> , or <> ) > > > > This is pity ... > > Did I miss anything ? > > > > Thanks. > > >
