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rowstop avatar rowstop commented on June 18, 2024

WriteNulls?

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mf-yuan avatar mf-yuan commented on June 18, 2024

WriteNulls?

WriteNulls 是允许不过滤NULL 值

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rowstop avatar rowstop commented on June 18, 2024

没明白你的意思,你意思是某个具体的类型过滤 null 值,其它类型不过滤?

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mf-yuan avatar mf-yuan commented on June 18, 2024

没明白你的意思,你意思是某个具体的类型过滤 null 值,其它类型不过滤?

就是这个意思。

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rowstop avatar rowstop commented on June 18, 2024

JSONType 注解是否可以实现你的需求

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mf-yuan avatar mf-yuan commented on June 18, 2024

JSONTypeserializeFeatures 这个属性吗,我在这个枚举里面貌似没有找到过滤NULL的值,也就是默认值

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rowstop avatar rowstop commented on June 18, 2024

JSONTypeserializeFeatures 这个属性吗,我在这个枚举里面貌似没有找到过滤NULL的值,也就是默认值

🤔serializeFilters 配一个PropertyFilter

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mf-yuan avatar mf-yuan commented on June 18, 2024

那这个有点痛苦了😖

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wenshao avatar wenshao commented on June 18, 2024

JSONField#serializeFeatures 这个能满足你的需求么?

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mf-yuan avatar mf-yuan commented on June 18, 2024

JSONField#serializeFeatures 这个能满足你的需求么?

目前好像没有,我是希望能在这里找到默认虚拟化方式对应的值

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rowstop avatar rowstop commented on June 18, 2024

那这个有点痛苦了😖

PropertyFilter这种方式不行?痛苦的点在哪?涉及的类型太多?🤔

    public class PropertyNullValueFilter implements PropertyFilter {
        @Override
        public boolean apply(Object object, String name, Object value) {
            return value != null;
        }
    }

    @JSONType(serializeFilters = PropertyNullValueFilter.class)
    public class User {
        private String username;
        private String password;
        //getter setter...
    }

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mf-yuan avatar mf-yuan commented on June 18, 2024

那这个有点痛苦了😖

PropertyFilter这种方式不行?痛苦的点在哪?涉及的类型太多?🤔

    public class PropertyNullValueFilter implements PropertyFilter {
        @Override
        public boolean apply(Object object, String name, Object value) {
            return value != null;
        }
    }

    @JSONType(serializeFilters = PropertyNullValueFilter.class)
    public class User {
        private String username;
        private String password;
        //getter setter...
    }

你这个看起来不痛苦😂,可以解决。我原以为每个类型可能都要定义一个不同的PropertyFilter

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mf-yuan avatar mf-yuan commented on June 18, 2024

但是serializeFeatures 为什么没有提供一个默认的序列化方式的值呢,感觉这里面加会更好一点。

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rowstop avatar rowstop commented on June 18, 2024

那这个有点痛苦了😖

PropertyFilter这种方式不行?痛苦的点在哪?涉及的类型太多?🤔

    public class PropertyNullValueFilter implements PropertyFilter {
        @Override
        public boolean apply(Object object, String name, Object value) {
            return value != null;
        }
    }

    @JSONType(serializeFilters = PropertyNullValueFilter.class)
    public class User {
        private String username;
        private String password;
        //getter setter...
    }

你这个看起来不痛苦😂,可以解决。我原以为每个类型可能都要定义一个不同的PropertyFilter

你这个有点定制化,默认是不输出 null 值字段的

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mf-yuan avatar mf-yuan commented on June 18, 2024

那这个有点痛苦了😖

PropertyFilter这种方式不行?痛苦的点在哪?涉及的类型太多?🤔

    public class PropertyNullValueFilter implements PropertyFilter {
        @Override
        public boolean apply(Object object, String name, Object value) {
            return value != null;
        }
    }

    @JSONType(serializeFilters = PropertyNullValueFilter.class)
    public class User {
        private String username;
        private String password;
        //getter setter...
    }

你这个看起来不痛苦😂,可以解决。我原以为每个类型可能都要定义一个不同的PropertyFilter

你这个有点定制化,默认是不输出 null 值字段的

确实默认是不输出NULL值字段的。
但是使用JSON 来进行全局配置的时候,也会遇到一样的情况。针对某个对象需要默认的序列化。感觉PropertyFilter不是最优解

package com.alibaba.fastjson2;

interface JSON {
    static void config(JSONReader.Feature... features);
    static void config(JSONWriter.Feature... features);
}

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