Springboot 实现 Restful 服务，基于 HTTP / JSON 传输

springboot-restful/src/main/java/org/spring/springboot/controller/CityRestController.java

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+package org.spring.springboot.controller;
+
+import org.spring.springboot.domain.City;
+import org.spring.springboot.service.CityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+/**
+ * 城市 Controller 实现 Restful HTTP 服务
+ *
+ * Created by bysocket on 07/02/2017.
+ */
+@RestController
+public class CityRestController {
+
+    @Autowired
+    private CityService cityService;
+
+    @RequestMapping(value = "/api/city/{id}", method = RequestMethod.GET)
+    public City findOneCity(@PathVariable("id") Long id) {
+        return cityService.findCityById(id);
+    }
+
+    @RequestMapping(value = "/api/city", method = RequestMethod.GET)
+    public List<City> findAllCity() {
+        return cityService.findAllCity();
+    }
+
+    @RequestMapping(value = "/api/city", method = RequestMethod.POST)
+    public void createCity(@RequestBody City city) {
+        cityService.saveCity(city);
+    }
+
+    @RequestMapping(value = "/api/city", method = RequestMethod.PUT)
+    public void modifyCity(@RequestBody City city) {
+        cityService.updateCity(city);
+    }
+
+    @RequestMapping(value = "/api/city/{id}", method = RequestMethod.DELETE)
+    public void modifyCity(@PathVariable("id") Long id) {
+        cityService.deleteCity(id);
+    }
+}