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[BUG] JSONObject.parseObject()反序列化时丢失部分字段 #3454

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Pan-Lin opened this issue Mar 27, 2025 · 2 comments
Open

[BUG] JSONObject.parseObject()反序列化时丢失部分字段 #3454

Pan-Lin opened this issue Mar 27, 2025 · 2 comments
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@Pan-Lin
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Pan-Lin commented Mar 27, 2025

问题描述

在使用JSONObject.parseObject()反序列化时,会丢失部分字段

环境信息

请填写以下信息:

  • OS信息: [Windows 11 13th Gen Intel(R) Core(TM) i5-13500H 2.60 GHz 32 GB]
  • JDK信息: [JDK 17.0.6]
  • 版本信息:[Fastjson2 2.0.56]

重现步骤

如何操作可以重现该问题:

    public static void main(String[] args) {

        String json = "{\"algorithmConfig\":[{\"name\":\"你好\"}],\"algorithmSetting\":[{\"kpDeltaTemp\":2,\"kiDeltaTemp\":0.2,\"kdDeltaTemp\":3}]}";

        JSONObject parsedObject = JSONObject.parseObject(json);

        System.err.println(parsedObject.toJSONString());
    }

期待的正确结果

对以上json进行反序列化后,不会丢失 kiDeltaTemp 、kdDeltaTemp 字段

相关日志输出

Image

附加信息

如果你还有其他需要提供的信息,可以在这里填写(可以提供截图、视频等)。

@Pan-Lin Pan-Lin added the bug Something isn't working label Mar 27, 2025
@wenshao
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wenshao commented Mar 30, 2025

需要提供类定义信息才能诊断问题

@Pan-Lin
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Pan-Lin commented Apr 1, 2025

这里不需要定义类即可重现问题,我上面贴的那个main方法,单纯的json字符串转JSONObject 就丢失了json字符串中的 kiDeltaTemp 和 kdDeltaTemp 字段,且 转出来的JSONObject 对象中的 kpDeltaTemp 字段值是错的,取到了 kdDeltaTemp 的值

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