From a70919b4f7baab856125f36e5bd41f5ee81be680 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 13 五月 2025 09:41:35 +0800
Subject: [PATCH] 修改年份切换字段不为必填
---
src/main/java/com/cl/common/json/JacksonObjectMapper.java | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/cl/common/json/JacksonObjectMapper.java b/src/main/java/com/cl/common/json/JacksonObjectMapper.java
new file mode 100644
index 0000000..9bcc390
--- /dev/null
+++ b/src/main/java/com/cl/common/json/JacksonObjectMapper.java
@@ -0,0 +1,51 @@
+package com.cl.common.json;
+
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+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 java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
+
+/**
+ * 对象映射器:基于jackson将Java对象转为json，或者将json转为Java对象
+ * 将JSON解析为Java对象的过程称为 [从JSON反序列化Java对象]
+ * 从Java对象生成JSON的过程称为 [序列化Java对象到JSON]
+ */
+public class JacksonObjectMapper extends ObjectMapper {
+
+ public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
+ //public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
+ public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm";
+ public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";
+
+ public JacksonObjectMapper() {
+ super();
+ //收到未知属性时不报异常
+ this.configure(FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+ //反序列化时，属性不存在的兼容处理
+ this.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
+
+ SimpleModule simpleModule = new SimpleModule()
+ .addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
+ .addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
+ .addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)))
+ .addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
+ .addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
+ .addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
+
+ //注册功能模块 例如，可以添加自定义序列化器和反序列化器
+ this.registerModule(simpleModule);
+ }
+}
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