做了一些小重构

code/java/天气灾害预警/.idea/compiler.xml

@@ -9,5 +9,8 @@
         <module name="disaster_warning" />
       </profile>
     </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="天气灾害预警" target="17" />
+    </bytecodeTargetLevel>
   </component>
 </project>

code/java/天气灾害预警/src/main/java/com/cpic/xim/disaster_warning/WeatherDisasterWarningGrabber.java

@@ -12,9 +12,9 @@ import java.util.zip.GZIPInputStream;
 
 public class WeatherDisasterWarningGrabber
 {
-    private static String QUERY_URL = "https://devapi.qweather.com/v7/warning/now?";
-    private static String USER_KEY  = "fe9fa8eeeb6f4301a92541eed565dd15";
-    private static QWeatherDisasterWarningItem item = null;
+    private final static String QUERY_URL = "https://devapi.qweather.com/v7/warning/now?";
+    private final static String USER_KEY  = "fe9fa8eeeb6f4301a92541eed565dd15";
+    //private static QWeatherDisasterWarningItem item = null;
 
     /***
      * 从和风天气获取天气警报json字符串
@@ -44,12 +44,10 @@ public class WeatherDisasterWarningGrabber
             connection.setReadTimeout( 60000 );
             connection.connect();
 
-            int reponseCode = connection.getResponseCode();
-
             //如果responseCode为200，说明访问成功！
             if ( connection.getResponseCode() == 200 )
             {
-                //注意，和风使用了gizp压缩响应体
+                //注意，和风使用了gzip压缩响应体
                 inputStream    = new GZIPInputStream( connection.getInputStream() );
                 bufferedReader = new BufferedReader( new InputStreamReader( inputStream, "UTF-8" ) );
 
@@ -100,6 +98,7 @@ public class WeatherDisasterWarningGrabber
                 }
             }
 
+            assert connection != null;
             connection.disconnect();
         }