2026-04-01 优化机场列表，注释获取机场视频地址代码。

zhaowenyu

2026-04-01 0a0174e3b784f7f9f7c3abfb419c23ee26709d0f

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package com.ard.sample.annotation.util;
 
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.ard.sample.annotation.model.dto.AnnotationPointsDTO;
import org.springframework.stereotype.Component;
 
import java.util.List;
 
@Component
public class JsonSerializeUtil {
    private static final ObjectMapper objectMapper = new ObjectMapper();
 
    // 序列化：List<AnnotationPointsDTO> → byte[]
    public static byte[] serialize(List<AnnotationPointsDTO> points) throws JsonProcessingException {
        if (points == null) {
            return null;
        }
        String json = objectMapper.writeValueAsString(points);
        return json.getBytes();
    }
 
    // 反序列化：byte[] → List<AnnotationPointsDTO>
    public static List<AnnotationPointsDTO> deserialize(byte[] bytes) throws JsonProcessingException {
        if (bytes == null || bytes.length == 0) {
            return null;
        }
        String json = new String(bytes);
        return objectMapper.readValue(json,
                objectMapper.getTypeFactory().constructCollectionType(List.class, AnnotationPointsDTO.class));
    }
}