代码优化

performance-web/src/main/java/com/clx/performance/service/impl/thirdparty/nbbank/NbBankThirdpartyServiceImpl.java

@@ -67,9 +67,10 @@ public class NbBankThirdpartyServiceImpl implements NbBankThirdpartyService {
      */
     private static void downloadUsingStream(String urlStr, String file) throws IOException {
         URL url = new URL(urlStr);
-        BufferedInputStream bis = new BufferedInputStream(url.openStream());
+        BufferedInputStream bis = null;
         FileOutputStream fis = null;
         try {
+            bis = new BufferedInputStream(url.openStream());
             fis = new FileOutputStream(file);
             byte[] buffer = new byte[1024];
             int count = 0;
@@ -78,7 +79,7 @@ public class NbBankThirdpartyServiceImpl implements NbBankThirdpartyService {
             }
         }finally {
             if (fis != null){fis.close();}
-            bis.close();
+            if (bis != null){bis.close();}
         }
     }