获取属性的get方法空值验证

ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java

@@ -891,7 +891,7 @@ public class ExcelUtil<T>
      */
     private Object getValue(Object o, String name) throws Exception
     {
-        if (StringUtils.isNotEmpty(name))
+        if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name))
         {
             Class<?> clazz = o.getClass();
             Field field = clazz.getDeclaredField(name);