springboot-vue3/src/main/java/com/example/springboot/component/S7control.java
@@ -223,7 +223,15 @@ if (s7PLC==null) return null; // List<String> addresslist = GetAddressList(address, count, 16); return s7PLC.readByte(address,count); try { return s7PLC.readByte(address, count); }catch (Exception e) { // 处理异常 System.out.println("读取 " + address + " 失败:" + e.getMessage()); return null; } } /**