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fastjson 2.0.4发布

1. FASTJSON 2.0介绍

FASTJSON 2.0是FASTJSON项目的重要升级，目标是为下一个十年提供一个高性能的JSON库，同一套API支持JSON/JSONB两种协议，JSONPath是一等公民，支持全量解析和部分解析，支持Java服务端、客户端Android、大数据场景。

• FASJTONS2项目地址 https://github.com/alibaba/fastjson2
• 使用介绍 https://alibaba.github.io/fastjson2/
• FASTJSON 2性能有了很大提升，具体性能数据看这里 https://alibaba.github.io/fastjson2/benchmark_cn
• FASTJSON 2的AutoType没有内置白名单，更安全 https://alibaba.github.io/fastjson2/autotype_cn
• 支持JSONSchema https://alibaba.github.io/fastjson2/json_schema_cn
• 支持JDK14 Record
• 支持GraalVM Native-Image

2. FASTJSON 2.0.4版本 介绍

经过多个热心同学的验证，2.0.4已经具备生产可用的能力，但由于是初期版本，使用到生产还需要仔细观察验证，如果遇到问题反馈提issue到 https://github.com/alibaba/fastjson2/issues

• 更好兼容fastjson 1.x #248 #255 #274 #269 #287
• 对JDK17更好支持 #265
• 修复对反序列化多ClassLoader类冲突的问题 #252
• 内置支持GeoJson #256
• 提升对kotlin的支持 #276
• JSONObject修复泛型编译警告问题 #257 #282
• 支持json schema #239 ，相关介绍看这里 https://alibaba.github.io/fastjson2/son_schema_cn

2.1 定制序列化介绍

FASTJSON2支持完善的定制序列化反序列化功能

• Feature介绍 https://alibaba.github.io/fastjson2/features_cn
• Annotation介绍 https://alibaba.github.io/fastjson2/annotations_cn
• 使用Mixin注入Anntation定制序列化和反序列化 https://alibaba.github.io/fastjson2/mixin_cn
• 实现ObjectWriter和ObjectReader实现定制序列化和反序列化 https://alibaba.github.io/fastjson2/register_custom_reader_writer_cn

3. MAVEN依赖配置

<dependency>
	<groupId>com.alibaba.fastjson2</groupId>
	<artifactId>fastjson2</artifactId>
	<version>2.0.4</version>
</dependency>

• GraalVM版本

<dependency>
	<groupId>com.alibaba.fastjson2</groupId>
	<artifactId>fastjson2</artifactId>
	<version>2.0.4.graal</version>
</dependency>

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