fix：jackson序列化时间

xservice-common/src/main/java/com/xiang/xservice/basic/config/GlobalJacksonConfig.java

@@ -2,20 +2,35 @@ package com.xiang.xservice.basic.config;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
 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.ser.LocalDateTimeSerializer;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
 /**
  * @Author: xiang
  * @Date: 2025-07-25 15:56
  */
 @Configuration
 public class GlobalJacksonConfig {
+
+    public static final String DATETIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
+    public static final DateTimeFormatter DATETIME_FORMATTER = DateTimeFormatter.ofPattern(DATETIME_FORMAT);
+
     @Bean
     public ObjectMapper objectMapper() {
         ObjectMapper mapper = new ObjectMapper();
         // 设置null字段也序列化
         mapper.setSerializationInclusion(JsonInclude.Include.ALWAYS);
+        // 设置LocalDateTime序列化
+        JavaTimeModule javaTimeModule = new JavaTimeModule();
+        javaTimeModule.addSerializer(LocalDateTime .class, new LocalDateTimeSerializer(DATETIME_FORMATTER));
+        mapper.registerModule(javaTimeModule);
+        mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
         return mapper;
     }
 }