add:com口读取工具

3 weeks ago · 383fe20168
1 changed files with 3 additions and 1 deletions
--- a/acs/nladmin-system/nlsso-server/src/main/java/org/nl/common/utils/ComPortUtil.java
+++ b/acs/nladmin-system/nlsso-server/src/main/java/org/nl/common/utils/ComPortUtil.java
@ -54,7 +54,9 @@ public class ComPortUtil {
                    if (bytesRead > 0) {
                        String msg = new String(buffer, 0, bytesRead);
                        System.out.println("--获取COM口信息--"+msg);
-                        function.apply(msg);
+                        if (function != null){
+                            function.apply(msg);
+                        }
                    }
                }
            } catch (Exception e) {