Merge remote-tracking branch 'remotes/origin/m33' into for-yx

license/src/main/java/iot/sixiang/license/net/TcpServer.java

@@ -27,7 +27,6 @@ public class TcpServer {
 				EventLoopGroup bossGroup = new NioEventLoopGroup(4);
 				EventLoopGroup workerGroup = new NioEventLoopGroup(4);
 				log.debug("Tcp服务，开始监听端口:{}",port);
-				try {
 				//创建服务端的启动对象，设置参数
 				ServerBootstrap b = new ServerBootstrap();
 				//设置两个线程组boosGroup和workerGroup
@@ -47,9 +46,7 @@ public class TcpServer {
 				} catch (InterruptedException e) {
 					// TODO Auto-generated catch block
 					log.error("Tcp服务异常，端口:{}",port);
-					}
-
-				} finally {
+				}finally {
 					log.debug("Tcp服务，停止退出");
 					workerGroup.shutdownGracefully();
 					bossGroup.shutdownGracefully();

license/src/main/java/iot/sixiang/license/resource/ResourceManager.java

@@ -22,7 +22,7 @@ public class ResourceManager {
     @Autowired
     ResourceService resourceService;
 
-    public void downloadDeviceInfoExcle(HttpServletResponse response, int userId){
+    public void downloadDeviceInfoExcle(HttpServletResponse response, int userId) throws IOException {
         OutputStream os = null;
         HSSFWorkbook wb = null;
         try {
@@ -115,16 +115,12 @@ public class ResourceManager {
         } catch (IOException e) {
             log.error("Excel表格信息下载异常,{}",e.getMessage());
         } finally {
-            try {
             if (os != null) {
                 os.close();
             }
             if (wb != null) {
                 wb.close();
             }
-            } catch (IOException e) {
-                log.error("Excel表格信息下载异常,{}",e.getMessage());
-            }
         }
     }
 }

license/src/main/java/iot/sixiang/license/util/CommonUtil.java

@@ -85,11 +85,14 @@ public class CommonUtil {
 	public static String getLibFilePathByFileName(String fileName) {
 		String os = System.getProperty("os.name");
 		String serverParentDirectory = getServerParentDirectory();
+		if (os != null) {
 			if (os.toLowerCase(Locale.ENGLISH).startsWith("win")) {
 				return serverParentDirectory + File.separator + "lib" + File.separator + fileName + ".dll";
 			} else {
 				return serverParentDirectory + File.separator + "lib" + File.separator + fileName + ".so";
 			}
 		}
+		return "";
+	}
 
 }

license/src/main/java/iot/sixiang/license/util/HexUtil.java

@@ -4,13 +4,13 @@ public class HexUtil {
 
     public static String bytes2hex(byte[] bytes) {
         StringBuilder sb = new StringBuilder();
-        String tmp;
+        StringBuilder tmp;
         sb.append("[");
         for (byte b : bytes) {
             // 将每个字节与0xFF进行与运算，然后转化为10进制，然后借助于Integer再转化为16进制
-            tmp = Integer.toHexString(0xFF & b);
+            tmp = new StringBuilder(Integer.toHexString(0xFF & b));
             if (tmp.length() == 1) {
-                tmp = "0" + tmp;//只有一位的前面补个0
+                tmp = tmp.insert(0, '0');//只有一位的前面补个0
             }
             sb.append(tmp).append(" ");//每个字节用空格断开
         }