在jackson中将一个字段从字符串更改为json对象

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;

import java.io.IOException;

public class StringToJsonDeserializer extends JsonDeserializer<Object> {
    @Override
    public Object deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
        String jsonString = jsonParser.getText();
        // 将字符串解析为JSON对象，这里可以使用任何JSON解析库，如Jackson、Gson等
        // 假设使用Jackson解析
        ObjectMapper objectMapper = new ObjectMapper();
        return objectMapper.readTree(jsonString);
    }
}

import com.fasterxml.jackson.databind.annotation.JsonDeserialize;

@JsonDeserialize(using = StringToJsonDeserializer.class)
private Object myField;