Ulang Spring mvc

TamuController.java

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package id.web.rohman.ulangspring.controller;

import id.web.rohman.ulangspringservice.model.Tamu;
import id.web.rohman.ulangspringservice.service.api.TamuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

/**
 *
 * @author syahril
 */
@Controller
public class TamuController {
    
    @Autowired
    private TamuService tamuService;
    @RequestMapping("/tamu/list")
    public ModelMap list()
    {
        ModelMap data = new ModelMap();
        
        data.addAttribute("tamuList", tamuService.listTamu());
        return data;
    }
    
    @RequestMapping("/tamu/view")
    public ModelMap view(@RequestParam(value="id") Integer id)
    {
        Tamu t = tamuService.findTamuById(id);
        ModelMap data = new ModelMap();
        
        data.addAttribute("detailTamu", t);
        return data;
    }
    
    
}