fix: jackson处理LocalDateTime字段格式全局配置

src/main/java/com/youlai/boot/config/WebMvcConfig.java

@@ -5,6 +5,8 @@ import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
+import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
 import jakarta.validation.Validation;
 import jakarta.validation.Validator;
 import jakarta.validation.ValidatorFactory;
@@ -20,6 +22,8 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 import java.math.BigInteger;
 import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.List;
 import java.util.TimeZone;
 
@@ -33,6 +37,8 @@ import java.util.TimeZone;
 @Slf4j
 public class WebMvcConfig implements WebMvcConfigurer {
 
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+
     /**
      * 配置消息转换器
      *
@@ -45,6 +51,10 @@ public class WebMvcConfig implements WebMvcConfigurer {
 
         // 注册 JavaTimeModule（替代手动注册 LocalDateTimeSerializer）
         JavaTimeModule javaTimeModule = new JavaTimeModule();
+        // 返回指定字符串格式
+        javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DATE_TIME_FORMATTER));
+        // 反序列化，接受前端传来的格式
+        javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DATE_TIME_FORMATTER));
         objectMapper.registerModule(javaTimeModule);
 
         // 配置全局日期格式和时区