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spring boot controller

Innocent Iguana answered on February 11, 2024 Popularity 8/10 Helpfulness 6/10

answer spring boot controller

spring boot controller

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// Controller with embedded HTML (Not Recommended)
@Controller // Annotation to indicate that this is a controller
@RequestMapping("/welcome") // specifies the url to access the information
public class WelcomeController {
  @GetMapping(produces = MediaType.TEXT_HTML_VALUE)
  @ResponseBody // indicates that return everything as it is, do not look for explicit view
  public String getWelcome(@RequestParam(value="name", required = false)String name){
    String greeting = "Hello ";
    if (StringUtils.isNotBlank(name)){
      greeting = greeting + name;
    }else {
      greeting = greeting + "World";
    }
    return "<h1>" + greeting + "</h1>";
  }

}
// Controller with Thymeleaf template
@Controller
@RequestMapping("/rooms")
public class RoomController {
  private final RoomRepository roomRepository; // It can also be a service
  public RoomController(RoomRepository roomRepository) {
    this.roomRepository = roomRepository;
  }
  @GetMapping
  public String getRooms(Model model){ // a temporary model to hold information
    model.addAttribute("rooms", this.roomRepository.findAll()); // add information in thymeleaf variable "rooms"
    return "room-list"; // return the model to the thymeleaf template room-list.html
  }
}

// RECOMMENDED : use REST CONTROLLER

Popularity 8/10 Helpfulness 6/10 Language java

Source: Grepper

Tags: controller java spring-boot

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Contributed on Feb 11 2024

Innocent Iguana

0 Answers Avg Quality 2/10

spring boot controller

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