public static JSONObject parseObj(String jsonStr) {
		return new JSONObject(jsonStr);
	}
@Test
	public void duplicateKeyTrueTest() {
		assertThrows(JSONException.class, () -> {
			final String str = "{id:123, name:\"张三\", name:\"李四\"}";

			final JSONObject jsonObject = JSONUtil.parseObj(str, JSONConfig.create().setCheckDuplicate(true));
			assertEquals("{\"id\":123,\"name\":\"李四\"}", jsonObject.toString());
		});
	}