content: package com.alibaba.fastjson2.issues_1000;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import com.alibaba.fastjson2.JSONReader;
  import com.alibaba.fastjson2.annotation.JSONField;
  import com.alibaba.fastjson2.reader.ObjectReader;
  import lombok.Data;
  import org.junit.jupiter.api.Test;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  
  public class Issue1249 {
      @Test
      public void test() {
          Map<String, String> map = new HashMap<>();
          map.put("phoneNum", "1");
          map.put("varDefine", "{\"success\":\"yes\"}");
          map.put("tagSession", "[{\"tagId\":\"6908494829\",\"tagName\":\"不是本人\"}]");
          CallInfo callInfo = JSON.parseObject(JSON.toJSONString(map), CallInfo.class);
          assertNotNull(callInfo);
      }
  
      @Data
      public static class CallInfo {
          private String phoneNum;
  
          @JSONField(deserializeUsing = JsonDeserializer.class)
          private Map<String, Object> varDefine;
  
          @JSONField(deserializeUsing = TagDeserializer.class)
          private List<Tag> tagSession;
      }
  
      @Data
      public static class Tag {
          private String tagId;
          private String tagName;
      }
  
      public static class JsonDeserializer
              implements ObjectReader<Map<String, Object>> {
          @Override
          public Map<String, Object> readObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
              String value = jsonReader.readString();
              return JSONObject.parseObject(value);
          }
      }
  
      public static class TagDeserializer
              implements ObjectReader<List<Tag>> {
          @Override
          public List<Tag> readObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
              String value = jsonReader.readString();
              return JSON.parseArray(value, Tag.class);
          }
      }
  }
  