嗨,我想弄清楚例如仅展示“CC130”课程中的所有书籍的功能是什么?
我有这个“/bookcollection/items/item/courses/course”,它显示了所有可能的课程?
<?xml version="1.0" encoding="utf-8"?>
<bookcollection>
<item id="59113">
<title>Computer science : a modern introduction /</title>
<isbn>0131659456</isbn>
<url>http://library.hud.ac.uk/catlink/bib/59113</url>
<borrowedcount>29</borrowedcount>
<courses>
<course>CC100</course>
<course>CC130</course>
<course>CX290</course>
</courses>
</item>
<item id="59118">
<title>Computer networks : protocols, standards, and interfaces /</title>
<isbn>0131660918</isbn>
<url>http://library.hud.ac.uk/catlink/bib/59118</url>
<borrowedcount>19</borrowedcount>
<courses>
<course>CC100</course>
</courses>
</item>
<item id="59131">
<title>Computer-based instruction : methods and development /</title>
<isbn>0131685929</isbn>
<url>http://library.hud.ac.uk/catlink/bib/59131</url>
<borrowedcount>43</borrowedcount>
<courses>
<course>CC100</course>
<course>CC300</course>
</courses>
</item>
<item id="59176">
<title>Computer networks : protocols, standards, and interfaces /</title>
<isbn>0131756052</isbn>
<url>http://library.hud.ac.uk/catlink/bib/59176</url>
<borrowedcount>10</borrowedcount>
<courses>
<course>CC100</course>
</courses>
</item>
</bookcollection>