Java将对象的属性值合并

- 日理万妓 2022-09-11 05:25 178阅读 0赞

**上代码：**

public static void main(String[] args) throws Exception { 
    
            User user1 = new User();
            user1.setPhone("1111111111");
            user1.setUsername("1111111111");
            user1.setHead("1111111111");
    
            User user2 = new User();
            user2.setEmail("2222222222");
            user2.setPassword("2222222222");
            user2.setCreateUser("2222222222");
    
            User user = mergeObject(user1, user2);
            System.out.println(user);
    
        }

/** * description 合并对象（该方法是用于相同对象不同属性值的合并） * * @author yanzy * @version 1.0 * @date 2021/9/13 11:09 */
        public static User mergeObject(User user1, User user2) throws Exception { 
    
            Class user1Class = user1.getClass();
            Class user2Class = user2.getClass();
    
            Field[] user1Fields = user1Class.getDeclaredFields();
            Field[] user2Fields = user2Class.getDeclaredFields();
            for (int i = 0; i < user1Fields.length; i++) { 
                Field sourceField = user1Fields[i];
                if (Modifier.isStatic(sourceField.getModifiers())) { 
                    continue;
                }
                Field targetField = user2Fields[i];
                if (Modifier.isStatic(targetField.getModifiers())) { 
                    continue;
                }
                sourceField.setAccessible(true);
                targetField.setAccessible(true);
    
                if (sourceField.get(user1) != null) { 
                    targetField.set(user2, sourceField.get(user1));
                }
            }
            return user2;
        }

**可以看到下面是合并完成后的结果：**  
![在这里插入图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBAQ-OAgeepuueZveagvA_size_13_color_FFFFFF_t_70_g_se_x_16]

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