尝试将字段以数字开头的JSON文件转换为Java类

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.12.5</version>
</dependency>

import com.fasterxml.jackson.annotation.JsonProperty;

public class MyJsonClass {
    @JsonProperty("1field")
    private String field1;

    @JsonProperty("2field")
    private int field2;

    // Getters and setters
}

import com.fasterxml.jackson.databind.ObjectMapper;

public class Main {
    public static void main(String[] args) {
        String json = "{\"1field\":\"value1\",\"2field\":42}";

        try {
            ObjectMapper objectMapper = new ObjectMapper();
            MyJsonClass myJsonClass = objectMapper.readValue(json, MyJsonClass.class);

            System.out.println(myJsonClass.getField1());
            System.out.println(myJsonClass.getField2());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}