; //writer.close();
System.out.println(out.toString());
注释：返回我们格式化后的结果
return out.toString();
}
示例：
格式化前的xml串：
<?xml version="1.0" encoding="utf-8">
<schemes>
<scheme>
<num>0</num>
<line>
<lnName>aaaa</lnName>
<stops>
<stop>
<spName>bbbb</spName>
</stop>
<stop>
<spName>ccc</spName>
</stop>
<stop>
<spName>dddd</spName>
</stop>
<stop>
<spName>eee</spName>
</stop>
<stop>
<spName>ffff</spName>
</stop>
<stop>
<spName>eeeee</spName>
</stop>
</stops>
</line>
<line>
<lnName>pppp</lnName>
<stops>
<stop>
<spName>kkkk</spName>
</stop>
<stop>
<spName>ssss</spName>
</stop>
<stop>
<spName>eeeeee</spName>
</stop>
<stop>
<spName>ttttt</spName>
</stop>
</stops>
</line>
</scheme>
</schemes>
[1] [2] 下一页
格式化后的xml串如下：
<?xml version="1.0" encoding="utf-8"?>
<schemes>
<scheme>
<num>0</num>
<line>
<lnName>aaaa</lnName>
<stops>
<stop>
<spName>bbbb</spName>
&nb 上一页 [1] [2] [3] 下一页
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