1.修复ip2region 不会自动关闭连接问题

eladmin-common/src/main/java/me/zhengjie/utils/StringUtils.java

@@ -8,6 +8,7 @@ import org.lionsoul.ip2region.DbConfig;
 import org.lionsoul.ip2region.DbSearcher;
 import javax.servlet.http.HttpServletRequest;
 import java.io.File;
+import java.io.IOException;
 import java.lang.reflect.Method;
 import java.net.InetAddress;
 import java.net.UnknownHostException;
@@ -143,12 +144,13 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
      * 根据ip获取详细地址
      */
     public static String getCityInfo(String ip) {
+        DbSearcher searcher = null;
         try {
             String path = "ip2region/ip2region.db";
             String name = "ip2region.db";
             DbConfig config = new DbConfig();
             File file = FileUtil.inputStreamToFile(new ClassPathResource(path).getStream(), name);
-            DbSearcher searcher = new DbSearcher(config, file.getPath());
+            searcher = new DbSearcher(config, file.getPath());
             Method method;
             method = searcher.getClass().getMethod("btreeSearch", String.class);
             DataBlock dataBlock;
@@ -161,6 +163,14 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
             return address.equals(ElAdminConstant.REGION)?"内网IP":address;
         } catch (Exception e) {
             e.printStackTrace();
+        }finally {
+            if(searcher!=null){
+                try {
+                    searcher.close();
+                } catch (IOException ignored) {
+                }
+            }
+
         }
         return "";
     }
@@ -185,4 +195,4 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils {
         }
         return weekDays[w];
     }
-}
+}