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studentInfo.xml
<?xml version="1.0" encoding="gb2312"?>
<students>
<student age="25"><!--Èç¹ûûÓÐageÊôÐÔ£¬Ä¬ÈϵÄΪ20-->
<name>´ÞÎÀ±ø</name>
<college>PCѧԺ</college>
<telephone>62354666</telephone>
<notes>ÄÐ,1982ÄêÉú,˶ʿ£¬Ï־ͶÁÓÚ±±¾©Óʵç´óѧ</notes>
</student>
<student>
<name>cwb</name>
<college leader="ѧԺÁìµ¼">PCѧԺ</college><!--Èç¹ûûÓÐleaderÊôÐÔ£¬Ä¬ÈϵÄΪleader-->
<telephone>62358888</telephone>
<notes>ÄÐ,1987ÄêÉú,˶ʿ£¬Ï־ͶÁÓÚÖйúÅ©Òµ´óѧ</notes>
</student>
<student age="45">
<name>xxxxx</name>
<college leader="">xxxѧԺ</college>
<telephone>66666666</telephone>
<notes>×¢ÊÓÖУ¬×¢ÊÍÖÐ</notes>
</student>
<student age="">
<name>lxx</name>
<college>y
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