1、修改包名，避免自动配置被SpringBoot隐性优先规则覆盖

2、自定义Jackson starter

xiaoyi-framework/xiaoyi-spring-boot-starter-jackson/pom.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.jy</groupId>
+        <artifactId>xiaoyi-framework</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <packaging>jar</packaging>
+    <artifactId>xiaoyi-spring-boot-starter-jackson</artifactId>
+    <name>${project.artifactId}</name>
+    <description>平台基础设施层：Jackson 配置</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.jy</groupId>
+            <artifactId>xiaoyi-common</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-autoconfigure</artifactId>
+        </dependency>
+    </dependencies>
+
+</project>

xiaoyi-framework/xiaoyi-spring-boot-starter-jackson/src/main/java/com/jy/framework/jackson/JacksonAutoConfiguration.java

@@ -0,0 +1,74 @@
+package com.jy.framework.jackson;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.deser.YearMonthDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.YearMonthSerializer;
+import org.springframework.boot.autoconfigure.AutoConfiguration;
+import org.springframework.context.annotation.Bean;
+import com.jy.framework.common.constant.DateConstants;
+import com.jy.framework.common.utils.JsonUtils;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.YearMonth;
+import java.util.TimeZone;
+
+/**
+ * @author ayi
+ * @version V1.0
+ * @title JacksonConfig
+ * @description jackson 配置类
+ * @date 2026/01/06
+ */
+
+@AutoConfiguration
+public class JacksonAutoConfiguration {
+
+    @Bean
+    public ObjectMapper objectMapper() {
+        ObjectMapper objectMapper = new ObjectMapper();
+
+        // 忽略未知属性
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
+
+        // 设置凡是为 null 的字段，返参中均不返回，请根据项目组约定是否开启
+        // objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+
+        // 设置时区
+        objectMapper.setTimeZone(TimeZone.getTimeZone("Asia/Shanghai"));
+
+        // JavaTimeModule 用于指定序列化和反序列化规则
+        JavaTimeModule javaTimeModule = new JavaTimeModule();
+
+        // 支持 LocalDateTime、LocalDate、LocalTime
+        // 支持 LocalDateTime、LocalDate、LocalTime
+        javaTimeModule.addSerializer(LocalDateTime.class,
+            new LocalDateTimeSerializer(DateConstants.DATE_FORMAT_Y_M_D_H_M_S));
+        javaTimeModule.addDeserializer(LocalDateTime.class,
+            new LocalDateTimeDeserializer(DateConstants.DATE_FORMAT_Y_M_D_H_M_S));
+        javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateConstants.DATE_FORMAT_Y_M_D));
+        javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateConstants.DATE_FORMAT_Y_M_D));
+        javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateConstants.DATE_FORMAT_H_M_S));
+        javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateConstants.DATE_FORMAT_H_M_S));
+        // 支持 YearMonth
+        javaTimeModule.addSerializer(YearMonth.class, new YearMonthSerializer(DateConstants.DATE_FORMAT_Y_M));
+        javaTimeModule.addDeserializer(YearMonth.class, new YearMonthDeserializer(DateConstants.DATE_FORMAT_Y_M));
+
+        objectMapper.registerModule(javaTimeModule);
+
+        JsonUtils.init(objectMapper);
+
+        return objectMapper;
+    }
+}

xiaoyi-framework/xiaoyi-spring-boot-starter-jackson/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

@@ -0,0 +1 @@
+com.jy.framework.jackson.JacksonAutoConfiguration