⚡ 优化性能:优化jdk1.8下jackson的序列化表现

pigx-common/pigx-common-core/pom.xml

@@ -70,6 +70,7 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-validation</artifactId>
 		</dependency>
+		<!--jackson模块-->
 		<dependency>
 			<groupId>com.fasterxml.jackson.module</groupId>
 			<artifactId>jackson-module-parameter-names</artifactId>

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

@@ -1,59 +1,54 @@
-/*
- *
- *      Copyright (c) 2018-2025, lengleng All rights reserved.
- *
- *  Redistribution and use in source and binary forms, with or without
- *  modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice,
- *  this list of conditions and the following disclaimer.
- *  Redistributions in binary form must reproduce the above copyright
- *  notice, this list of conditions and the following disclaimer in the
- *  documentation and/or other materials provided with the distribution.
- *  Neither the name of the pig4cloud.com developer nor the names of its
- *  contributors may be used to endorse or promote products derived from
- *  this software without specific prior written permission.
- *  Author: lengleng (wangiegie@gmail.com)
- *
- */
-
 package com.pig4cloud.pigx.common.core.config;
 
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
-import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
-import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
+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.LocalDateSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
 import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.http.converter.json.Jackson2ObjectMapperBuilder;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
 
 /**
  * JacksonConfig
  *
  * @author: lengleng
- * @date: 2018/7/28  12:29
+ * @author: lishangbu
+ * @date: 2018/10/22
  */
 @Configuration
 @ConditionalOnClass(ObjectMapper.class)
 @AutoConfigureBefore(JacksonAutoConfiguration.class)
 public class JacksonConfig {
 	/**
-	 * 针对JDK 1.8 特殊处理
+	 * 针对JDK 1.8的日期时间格式特殊处理
 	 *
-	 * @return
+	 * @return ObjectMapper
 	 */
 	@Bean
-	public ObjectMapper getObjectMapper(Jackson2ObjectMapperBuilder builder) {
-		ObjectMapper objectMapper = builder.createXmlMapper(false).build();
-		ObjectMapper mapper = new ObjectMapper()
-			.registerModule(new ParameterNamesModule())
-			.registerModule(new Jdk8Module())
-			.registerModule(new JavaTimeModule()); // new module, NOT JSR310Module
+	public ObjectMapper getObjectMapper() {
+		ObjectMapper objectMapper = new ObjectMapper();
+		JavaTimeModule javaTimeModule = new JavaTimeModule();
+		javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
+		javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
+		javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern("HH:mm:ss")));
+		javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
+		javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern("yyyy-MM-dd")));
+		javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern("HH:mm:ss")));
+		// javaTimeModule只能手动注册，参考https://github.com/FasterXML/jackson-modules-java8
+		objectMapper.registerModule(javaTimeModule);
 		// 忽略json字符串中不识别的属性
 		objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
 		// 忽略无法转换的对象

pom.xml

@@ -134,7 +134,7 @@
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
-			<!--jacksonJSR310规范-->
+			<!--jackson模块-->
 			<dependency>
 				<groupId>com.fasterxml.jackson.module</groupId>
 				<artifactId>jackson-modules-java8</artifactId>