XML:
<Book>
<Title>blahblah</Title>
<Title>
<subtitle>bcdf</subtitle><subtitle>bcdf</subtitle>asdfg
</Title>
<Title>
<subtitle>bcdf</subtitle>jhuk<subtitle>bcdf</subtitle>refsdw
</Title>
<Title>
<subtitle>bcdf</subtitle>fdgfjhdc<subtitle>bcdf</subtitle>
</Title>
</Book>
输出结果应该是:
<Title>blahblah</Title>
<Title>asdfg</Title>
<Title>jhukrefsdw</Title>
<Title>fdgfjhdc</Title>