Mastering Spring 5.0

Spring MVC controller

Let's create a simple Controller. Consider the following example controller:

    @Controller     public class BasicModelMapController {       @RequestMapping(value = "/welcome-model-map")       public String welcome(ModelMap model) {         model.put("name", "XYZ");       return "welcome-model-map";      }    }

A few important things to note are as follows:

• @RequestMapping(value = "/welcome-model-map"): The URI mapped is /welcome-model-map.
• public String welcome(ModelMap model): The new parameter added is ModelMap model. Spring MVC will instantiate a model and make it available for this method. The attributes put into the model will be available for use in the view.
• model.put("name", "XYZ"): This adds an attribute with the name name and XYZ value to ...