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package me.zhyd.oauth.utils; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.alibaba.fastjson.JSONPath; import org.junit.Test; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; /** * JsonPath用法测试 * * @author yadong.zhang (yadong.zhang0415(a)gmail.com) */ public class JsonPathTest { @Test public void jsonPath() { List<Map<String, Map<String, Object>>> list = new ArrayList<>(); Map<String, Map<String, Object>> map = new HashMap<>(); Map<String, Object> node = new HashMap<>(); node.put("emailAddress", "xxxx"); map.put("handle~", node); list.add(map); Map<String, Object> master = new HashMap<>(); // master.put("elements", list); JSONObject emailObj = JSONObject.parseObject(JSON.toJSONString(master)); Object object = JSONPath.eval(emailObj, "$['elements'][0]['handle~']['emailAddress']"); System.out.println(object); } }