Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2014-2016 abel533@gmail.com * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package ask.springboot.controller; import com.github.pagehelper.PageInfo; import ask.springboot.model.City; import ask.springboot.service.CityService; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.*; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.support.RedirectAttributes; import java.util.List; @RestController @RequestMapping("/cities") public class CityController { @Autowired private CityService cityService; @RequestMapping public PageInfo<City> getAll(City city) { List<City> countryList = cityService.getAll(city); return new PageInfo<City>(countryList); } @RequestMapping(value = "/add") public City add() { return new City(); } @RequestMapping(value = "/view/{id}") public City view(@PathVariable Integer id) { ModelAndView result = new ModelAndView(); City city = cityService.getById(id); return city; } @RequestMapping(value = "/delete/{id}") public ModelMap delete(@PathVariable Integer id) { ModelMap result = new ModelMap(); cityService.deleteById(id); result.put("msg", "?!"); return result; } @RequestMapping(value = "/save", method = RequestMethod.POST) public ModelMap save(City city) { ModelMap result = new ModelMap(); String msg = city.getId() == null ? "?!" : "?!"; cityService.save(city); result.put("city", city); result.put("msg", msg); return result; } }