public static JSONObject parseObj(String jsonStr) {
		return new JSONObject(jsonStr);
	}
@Test
	public void toJsonStrTest3() {
		// 验证某个字段为JSON字符串时转义是否规范
		final JSONObject object = new JSONObject(true);
		object.set("name", "123123");
		object.set("value", "\\");
		object.set("value2", "</");

		final HashMap<String, String> map = MapUtil.newHashMap();
		map.put("user", object.toString());

		final JSONObject json = JSONUtil.parseObj(map);
		assertEquals("{\"name\":\"123123\",\"value\":\"\\\\\",\"value2\":\"</\"}", json.get("user"));
		assertEquals("{\"user\":\"{\\\"name\\\":\\\"123123\\\",\\\"value\\\":\\\"\\\\\\\\\\\",\\\"value2\\\":\\\"</\\\"}\"}", json.toString());

		final JSONObject json2 = JSONUtil.parseObj(json.toString());
		assertEquals("{\"name\":\"123123\",\"value\":\"\\\\\",\"value2\":\"</\"}", json2.get("user"));
	}