public List<String> toList(boolean trim) {
		return toList((str) -> trim ? StrUtil.trim(str) : str);
	}
@Test
	public void splitByCharTest(){
		String str1 = "a, ,,efedsfs,   ddf,";

		//不忽略""
		SplitIter splitIter = new SplitIter(str1,
				new CharFinder(',', false),
				Integer.MAX_VALUE,
				false
		);
		assertEquals(6, splitIter.toList(false).size());
	}