第一种方式：
<?xml version="1.0" encoding="UTF-8"?>
<root>
<one_title one_id="1">
<two_title one_id="1" two_id="1" content="标题1">
<three_title one_id="1" two_id="1" three_id="1" content="标题1_1" isReed="false">
ddddddddddddddddddddd
dddddddddddddddddddd
ddfdf234343
</three_title>
<three_title one_id="1" two_id="1" three_id="2" content="标题1_2" isReed="false">
ddddddddddddddddddddd
dddddddddddddddddddd
ddfdf234343
</three_title>
</two_title>
<two_title one_id="1" two_id="2" content="标题2">
<three_title one_id="1" two_id="2" three_id="1" content="标题2_1" isReed="false">
ddddddddddddddddddddd
dddddddddddddddddddd
ddfdf234343
</three_title>
<three_title one_id="1" two_id="2" three_id="2" content="标题2_2" isReed="false">
ddddddddddddddddddddd
dddddddddddddddddddd
ddfdf234343
</three_title>
</two_title>
</one_title>
</root>
第二中方式：
<?xml version="1.0" encoding="UTF-8"?>
<root>
<one one_id="1" one_title="标题1">
<two two_id="1" two_title="标题1_1" two_isRead="false">
<three three_id="1" three_title="标题1_1_1">
<three_content>
大幅度开发打开是浪费上的浪费的说法但是f
打飞机打开放到幅度来看房数量大幅吊梨试佛
力度及反对浪费多浪费
电缆附件多浪费多浪费
大方科技大开发电费 kdjfd
肯定积分多浪费
</three_content>
</three>
</two>
</one>
<one one_id="2" one_title="标题2">
<two two_id="1" two_title="标题2_1" two_isRead="false">
<three three_id="1" three_title="标题2_1_1">
<three_content>
大幅度开发打开是浪费上的浪费的说法但是f
打飞机打开放到幅度来看房数量大幅吊梨试佛
力度及反对浪费多浪费
电缆附件多浪费多浪费
大方科技大开发电费 kdjfd
肯定积分多浪费
</three_content>
</three>
</two>
</one>
</root>
对象属性：
joke{
one_id
one_title
two_id
two_title
two_isRead
three_id
three_title
three_content
}