/** * @func 将City实例的数据写入到db * @param city */ public void saveCity(City city) { if (city != null) { ContentValues values = new ContentValues(); values.put("city_name", city.getCityName()); values.put("city_code", city.getCityCode()); values.put("province_id", city.getProvinceId()); db.insert("City", null, values); } }