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#java# 规范 jackson编码示例 增补修订建议 #11

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k4n5ha0 opened this issue May 24, 2021 · 0 comments
Open

#java# 规范 jackson编码示例 增补修订建议 #11

k4n5ha0 opened this issue May 24, 2021 · 0 comments

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@k4n5ha0
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k4n5ha0 commented May 24, 2021

jackson版本应不低于2.11.x
禁用 enableDefaultTyping 函数
禁用 JsonTypeInfo 注解
如需使用jackson快速存储数据到redis中应使用 activateDefaultTyping + 白名单过滤器

// jackson白名单过滤
ObjectMapper om = new ObjectMapper();
BasicPolymorphicTypeValidator validator = BasicPolymorphicTypeValidator.builder()

	// 信任 com.china. 包下的类
	.allowIfBaseType("com.china.")
	.allowIfSubType("com.china.")
	
	// 信任 Collection、Map 等基础数据结构
	.allowIfSubType(Collection.class)
	.allowIfSubType(Number.class)
	.allowIfSubType(Map.class)
	.allowIfSubType(Temporal.class)
	.allowIfSubTypeIsArray()
	.build();
om.activateDefaultTyping(validator,ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY);
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