🐛 Fixing a bug. closed #3027 Spring Boot 2.5.0 and InvalidDefinitionException: Java 8 date/time type java.time.Instant not supported by default #26859

pigx-common/pigx-common-core/src/main/java/com/pig4cloud/pigx/common/core/config/JacksonConfig.java

@@ -3,7 +3,6 @@ package com.pig4cloud.pigx.common.core.config;
 import cn.hutool.core.date.DatePattern;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
-import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.pig4cloud.pigx.common.core.jackson.PigxJavaTimeModule;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
@@ -50,7 +49,6 @@ public class JacksonConfig implements WebMvcConfigurer {
 			builder.simpleDateFormat(DatePattern.NORM_DATETIME_PATTERN);
 			builder.serializerByType(Long.class, ToStringSerializer.instance);
 			builder.modules(new PigxJavaTimeModule());
-			builder.modules(new JavaTimeModule());
 		};
 	}
 

pigx-common/pigx-common-core/src/main/java/com/pig4cloud/pigx/common/core/jackson/PigxJavaTimeModule.java

@@ -3,13 +3,16 @@ package com.pig4cloud.pigx.common.core.jackson;
 import cn.hutool.core.date.DatePattern;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.PackageVersion;
+import com.fasterxml.jackson.datatype.jsr310.deser.InstantDeserializer;
 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.ser.InstantSerializer;
 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 java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
@@ -23,6 +26,9 @@ import java.time.format.DateTimeFormatter;
  */
 public class PigxJavaTimeModule extends SimpleModule {
 
+	/**
+	 * 指定序列化规则
+	 */
 	public PigxJavaTimeModule() {
 		super(PackageVersion.VERSION);
 
@@ -37,6 +43,9 @@ public class PigxJavaTimeModule extends SimpleModule {
 		this.addSerializer(LocalTime.class,
 				new LocalTimeSerializer(DateTimeFormatter.ofPattern(DatePattern.NORM_TIME_PATTERN)));
 
+		// Instant 类型序列化
+		this.addSerializer(Instant.class, InstantSerializer.INSTANCE);
+
 		// ======================= 时间反序列化规则 ==============================
 		// yyyy-MM-dd HH:mm:ss
 		this.addDeserializer(LocalDateTime.class,
@@ -47,6 +56,9 @@ public class PigxJavaTimeModule extends SimpleModule {
 		// HH:mm:ss
 		this.addDeserializer(LocalTime.class,
 				new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DatePattern.NORM_TIME_PATTERN)));
+		// Instant 反序列化
+		this.addDeserializer(Instant.class, InstantDeserializer.INSTANT);
+
 	}
 
 }