修改页面展示

ruoyi-admin/src/main/java/com/ruoyi/schedule/plcRead/util/Tools.java

@@ -264,14 +264,12 @@ public class Tools implements Serializable {
     public static String bytetostringtool(byte[] aaa) {
         String tptm = "";
         for(int i=0;i<aaa.length;i++){
-            //System.out.println("??????:for:"+aaa[i]);
             String x = Character.toString(showChar(aaa[i]));
             char ddd=showChar(aaa[i]);
             tptm=tptm+x;
-            //System.out.println(tptm);
         }
-        if(tptm.length() == 0 || tptm.equals("")){
-            return "00000000";
+        if(tptm.isEmpty() || "\u0000\u0000\u0000\u0000\u0000\u0000\u0000".equals(tptm)){
+            return "";
         }else {
             return tptm;
         }