package cn.iocoder.yudao.framework.jackson.config;
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import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
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import cn.iocoder.yudao.framework.common.util.json.databind.NumberSerializer;
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import cn.iocoder.yudao.framework.common.util.json.databind.TimestampLocalDateTimeDeserializer;
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import cn.iocoder.yudao.framework.common.util.json.databind.TimestampLocalDateTimeSerializer;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.boot.autoconfigure.AutoConfiguration;
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import org.springframework.boot.jackson.autoconfigure.JacksonAutoConfiguration;
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import org.springframework.boot.jackson.autoconfigure.JsonMapperBuilderCustomizer;
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import org.springframework.context.annotation.Bean;
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import tools.jackson.databind.JacksonModule;
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import tools.jackson.databind.ObjectMapper;
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import tools.jackson.databind.ext.javatime.deser.LocalDateDeserializer;
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import tools.jackson.databind.ext.javatime.deser.LocalTimeDeserializer;
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import tools.jackson.databind.ext.javatime.ser.LocalDateSerializer;
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import tools.jackson.databind.ext.javatime.ser.LocalTimeSerializer;
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import tools.jackson.databind.module.SimpleModule;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.LocalTime;
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@AutoConfiguration(after = JacksonAutoConfiguration.class)
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@Slf4j
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public class YudaoJacksonAutoConfiguration {
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/**
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* 从 Builder 源头定制（关键：使用 *ByType，避免 handledType 要求）
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*/
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@Bean
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public JsonMapperBuilderCustomizer ldtEpochMillisCustomizer(JacksonModule timestampSupportModuleBean) {
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return builder -> builder.addModule(timestampSupportModuleBean);
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}
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/**
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* 以 Bean 形式暴露 Module（Boot 会自动注册到所有 ObjectMapper）
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*/
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@Bean
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public JacksonModule timestampSupportModuleBean() {
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SimpleModule m = new SimpleModule("TimestampSupportModule");
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// Long -> Number，避免前端精度丢失
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m.addSerializer(Long.class, NumberSerializer.INSTANCE);
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m.addSerializer(Long.TYPE, NumberSerializer.INSTANCE);
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// LocalDate / LocalTime
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m.addSerializer(LocalDate.class, LocalDateSerializer.INSTANCE);
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m.addDeserializer(LocalDate.class, LocalDateDeserializer.INSTANCE);
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m.addSerializer(LocalTime.class, LocalTimeSerializer.INSTANCE);
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m.addDeserializer(LocalTime.class, LocalTimeDeserializer.INSTANCE);
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// LocalDateTime < - > EpochMillis
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m.addSerializer(LocalDateTime.class, TimestampLocalDateTimeSerializer.INSTANCE);
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m.addDeserializer(LocalDateTime.class, TimestampLocalDateTimeDeserializer.INSTANCE);
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return m;
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}
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/**
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* 初始化全局 JsonUtils，直接使用主 ObjectMapper
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*/
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@Bean
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@SuppressWarnings("InstantiationOfUtilityClass")
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public JsonUtils jsonUtils(ObjectMapper objectMapper) {
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JsonUtils.init(objectMapper);
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log.debug("[init][初始化 JsonUtils 成功]");
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return new JsonUtils();
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}
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}
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