JSON有效负载的Java验证:以树的形式返回错误

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

public class JsonPayloadValidator {
    public static void main(String[] args) {
        String jsonPayload = "{\"name\": \"John\", \"age\": 30}";

        try {
            ObjectMapper objectMapper = new ObjectMapper();
            JsonNode jsonNode = objectMapper.readTree(jsonPayload);

            // 验证JSON有效负载
            if (jsonNode.has("name") && jsonNode.has("age")) {
                System.out.println("JSON有效负载验证通过");
            } else {
                System.out.println("JSON有效负载验证失败");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}