content: package com.alibaba.fastjson.issue_2700;
  
  import com.alibaba.fastjson.JSONPath;
  import org.junit.jupiter.api.Test;
  
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  
  public class Issue2721Test {
      @Test
      public void test2721() {
          String chineseKeyString = "[{\"名称\": \"脆皮青豆\", \"配料\": [\"豌豆\", \"棕榈油\", \"白砂糖\", \"食用盐\", \"玉米淀粉\"]}]";
          assertEquals("[{\"名称\":\"脆皮青豆\",\"配料\":[\"豌豆\",\"棕榈油\",\"白砂糖\",\"食用盐\",\"玉米淀粉\"]}]",
                  JSONPath.extract(chineseKeyString, "$[?(@.名称 = '脆皮青豆')]").toString());
          // [{"名称":"脆皮青豆","配料":["豌豆","棕榈油","白砂糖","食用盐","玉米淀粉"]}]
  
          String normalKeyString = "[{ \"name\": \"脆皮青豆\", \"配料\": [\"豌豆\", \"棕榈油\", \"白砂糖\", \"食用盐\", \"玉米淀粉\"] }]";
          assertEquals("[{\"name\":\"脆皮青豆\",\"配料\":[\"豌豆\",\"棕榈油\",\"白砂糖\",\"食用盐\",\"玉米淀粉\"]}]",
                  JSONPath.extract(normalKeyString, "$[?(@.name = '脆皮青豆')]").toString());
          // [{"name":"脆皮青豆","配料":["豌豆","棕榈油","白砂糖","食用盐","玉米淀粉"]}]
  //
          assertFalse(((List) JSONPath.extract(chineseKeyString, "$[?(@.名称 = '脆皮青豆')]")).isEmpty());
          assertFalse(((List) JSONPath.extract(normalKeyString, "$[?(@.name = '脆皮青豆')]")).isEmpty());
      }
  }
  