- Is there something like ModelMap in spring webflow ?
- In spring webflow I would like to put multiple objects into map under different keys and then display them in jsp page. How should I do it ?
- How can I get @Controller functionality in spring webflow - preparing data for jsp page?
ModelMap and @Controller in spring webflow
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1.) More read here
ModelMap subclasses LinkedHashMap.
addAttribute can be called with just a value, and the map key is then inferred from the type.
The
addAttributemethods all return the ModelMap, so you can chain method called together, e.g.modelMap.addAttribute('x', x).addAttribute('y',y)The
addAttributemethods checks that the values aren't nullThe generic type of ModelMap is fixed at
Map<String, Object>, which is the only one that makes sense for a view model.2.) Need to access ModelMap values through expression language
// At controller layer
/At Jsp layer
3.) The @Controller annotation is used to mark any java class as a controller class. Also you can add
<mvc:annotation-driven />for enabling the Spring MVC annotations.detailed information here