void test() {
User user = new User(“itguang”, “123456”, “123@qq.com”);
String username = (String) JSONPath.eval...;
log.info(“$.username = {}”, username);
Entity entity = new Entity(123, user);
User user1 = (User) JSONPath.eval...(entity, “$.data.username”, “itguang”);
Assert.assertTrue(containsValue);
Assert.assertEquals(2, JSONPath.size...(entities, “[0,2]”);
log.info(“返回下标 0 和 2 的元素={}”, result);
// 返回下标从0到2的元素
List result2 = (List) JSONPath.eval...(jsonObject, “$.store.book”);
log.info(“books={}”, books);
//得到所有的书名
List titles = (List) JSONPath.eval