From 7315f02ce602587ba3628c746915b4de1585d646 Mon Sep 17 00:00:00 2001
From: guo <1716967236@qq.com>
Date: Sun, 22 Sep 2024 08:11:22 +0800
Subject: [PATCH] =?UTF-8?q?[xingyu.guo]=20feat:=20=E6=8C=87=E5=AE=9Ajackso?=
 =?UTF-8?q?n=E5=AF=B9LocalDateTime=E7=9A=84=E5=BA=8F=E5=88=97=E5=8C=96?=
 =?UTF-8?q?=E8=A7=84=E5=88=99?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../config/JacksonConfig.java                 | 24 ++++++++++++++
 .../serializer/LocalDateTimeSerializer.java   | 31 +++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 src/main/java/com/guo/learningprogresstracker/config/JacksonConfig.java
 create mode 100644 src/main/java/com/guo/learningprogresstracker/config/serializer/LocalDateTimeSerializer.java

diff --git a/src/main/java/com/guo/learningprogresstracker/config/JacksonConfig.java b/src/main/java/com/guo/learningprogresstracker/config/JacksonConfig.java
new file mode 100644
index 0000000..c1c0b4b
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/config/JacksonConfig.java
@@ -0,0 +1,24 @@
+package com.guo.learningprogresstracker.config;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.guo.learningprogresstracker.config.serializer.LocalDateTimeSerializer;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+import java.time.LocalDateTime;
+
+/**
+ * @author guo
+ */
+@Configuration
+public class JacksonConfig {
+    @Bean
+    public ObjectMapper objectMapper() {
+        ObjectMapper mapper = new ObjectMapper();
+        SimpleModule module = new SimpleModule();
+        module.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer());
+        mapper.registerModule(module);
+        return mapper;
+    }
+}
diff --git a/src/main/java/com/guo/learningprogresstracker/config/serializer/LocalDateTimeSerializer.java b/src/main/java/com/guo/learningprogresstracker/config/serializer/LocalDateTimeSerializer.java
new file mode 100644
index 0000000..9ad47b0
--- /dev/null
+++ b/src/main/java/com/guo/learningprogresstracker/config/serializer/LocalDateTimeSerializer.java
@@ -0,0 +1,31 @@
+package com.guo.learningprogresstracker.config.serializer;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+public class LocalDateTimeSerializer extends StdSerializer<LocalDateTime> {
+
+    // 定义你希望使用的日期时间格式
+    private static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");;
+
+    public LocalDateTimeSerializer() {
+        super(LocalDateTime.class);
+    }
+
+    @Override
+    public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider provider) throws IOException {
+        if (value == null) {
+            gen.writeNull();
+        } else {
+            // 格式化LocalDateTime为字符串
+            String formattedDate = value.format(formatter);
+            // 将格式化后的字符串写入JSON流作为一个值
+            gen.writeString(formattedDate);
+        }
+    }
+}