public static Map<String, String> decodeParamMap(String paramsStr, Charset charset) {
		final Map<CharSequence, CharSequence> queryMap = UrlQuery.of(paramsStr, charset).getQueryMap();
		if (MapUtil.isEmpty(queryMap)) {
			return MapUtil.empty();
		}
		return Convert.toMap(String.class, String.class, queryMap);
	}
@Test
	public void decodeParamMapTest() {
		// 参数值存在分界标记等号时
		final Map<String, String> paramMap = HttpUtil.decodeParamMap("https://www.xxx.com/api.action?aa=123&f_token=NzBkMjQxNDM1MDVlMDliZTk1OTU3ZDI1OTI0NTBiOWQ=", CharsetUtil.CHARSET_UTF_8);
		assertEquals("123",paramMap.get("aa"));
		assertEquals("NzBkMjQxNDM1MDVlMDliZTk1OTU3ZDI1OTI0NTBiOWQ=",paramMap.get("f_token"));
	}