object的空判断工具类

xqs
1 parent 26c17b50
Showing 1 changed file with 32 additions and 1 deletions
src/main/java/com/huaheng/common/utils/StringUtils.java
 package com.huaheng.common.utils;
  
+import java.lang.reflect.Field;
 import java.util.Collection;
 import java.util.Map;
 import org.apache.commons.lang.text.StrBuilder;
@@ -125,7 +126,37 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
      */
     public static boolean isNull(Object object)
     {
-        return object == null;
+
+        if (object == null) {
+            return true;
+        }
+        // 得到类对象
+        Class clazz = (Class) object.getClass();
+        // 得到所有属性
+        Field[] fields = clazz.getDeclaredFields();
+        //定义返回结果，默认为true
+        boolean flag = true;
+        for (Field field : fields) {
+            field.setAccessible(true);
+            Object fieldValue = null;
+            String fieldName = null;
+            try {
+                //得到属性值
+                fieldValue = field.get(object);
+                //得到属性类型
+                //Type fieldType = field.getGenericType();
+                //得到属性名
+                fieldName = field.getName();
+            } catch (IllegalArgumentException | IllegalAccessException e) {
+                e.printStackTrace();
+            }
+            //只要有一个属性值不为null 就返回false 表示对象不为null 忽略序列化
+            if (fieldValue != null && !"serialVersionUID".equals(fieldName)) {
+                flag = false;
+                break;
+            }
+        }
+        return flag;
     }
  
     /**