content: package com.alibaba.fastjson2.v1issues.issue_3300;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.JSONObject;
  import org.junit.jupiter.api.Test;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * @Author ：Nanqi
   * @Date ：Created in 17:11 2020/7/11
   */
  public class Issue3338 {
      @Test
      public void test_for_issue() throws Exception {
          Model model = new Model();
          Map map = new HashMap();
          map.put("nanqi", "因为相信，所以看见。");
          model.setMap(map);
  
          String jsonString = JSON.toJSONString(model);
          assertTrue(jsonString.contains("因为相信，所以看见。"));
  
          Model modelBack = JSONObject.parseObject(jsonString, Model.class);
          assertEquals("因为相信，所以看见。", modelBack.getMap().get("nanqi"));
      }
  
      static class Model {
          private Map map;
  
          public Map getMap() {
              return map;
          }
  
          public void setMap(Map map) {
              this.map = map;
          }
      }
  }
  