add the city service and it's implemention

src/main/java/com/zmsport/iyuesai/service/CityService.java

@@ -0,0 +1,60 @@
+package com.zmsport.iyuesai.service;
+
+import com.zmsport.iyuesai.mapper.Admin;
+import com.zmsport.iyuesai.mapper.City;
+
+import java.util.List;
+
+/**
+ * 城市管理相关服务
+ * @author bilei
+ *
+ */
+public interface CityService {
+	/**
+	 * 查询城市
+	 * @param cityName
+	 * @return
+	 */
+	public City findCityByName(String cityName);
+
+	/**
+	 * 分页获取城市列表
+	 * @param page
+	 * @param pageSize
+	 * @return
+	 */
+	public List<City> getCitys(int page, int pageSize);
+
+	/**
+	 * 获取城市总数
+	 * @return
+	 */
+	public int getTotalNum();
+
+	/**
+	 * 插入
+	 * @param city
+	 */
+	public void insert(City city);
+
+	/**
+	 * 修改
+	 * @param city
+	 */
+	public void update(City city);
+
+	/**
+	 * 查找城市
+	 * @param id
+	 * @return
+	 */
+	public City findCityById(long id);
+
+	/**
+	 * 删除城市
+	 * @param ids
+	 */
+	public void delete(String ids);
+
+}

src/main/java/com/zmsport/iyuesai/service/CityServiceImpl.java

@@ -0,0 +1,47 @@
+package com.zmsport.iyuesai.service;
+
+import com.zmsport.iyuesai.mapper.Admin;
+import com.zmsport.iyuesai.mapper.City;
+import com.zmsport.iyuesai.mapper.CityMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by ken.kang on 2016/2/19.
+ */
+public class CityServiceImpl implements CityService {
+
+    @Autowired
+    private CityMapper mapper;
+
+    public City findCityByName(String cityName) {
+       return mapper.findCityByName(cityName) ;
+    }
+
+    public List<City> getCitys(int page, int pageSize) {
+        return mapper.getCitys(page, pageSize);
+    }
+
+    public int getTotalNum() {
+        return mapper.getTotalNum();
+    }
+
+    public void insert(City city) {
+        mapper.insert(city);
+    }
+
+    public void update(City city) {
+        mapper.update(city);
+    }
+
+    public City findCityById(long id) {
+        return mapper.findCityById(id);
+    }
+
+
+    public void delete(String ids) {
+        mapper.delete(Arrays.asList(ids.split(",")));
+    }
+}