part.
<br/><br/>
To specify URL rules, set the rules property as an array of rules (pattern=>route).
For example,
<pre>
array(
    'articles'=&gt;'article/list',
    'article/&amp;lt;id:\d+&amp;gt;/*'=&gt;'article/read',
)
</pre>
Two rules are specified in the above:
<ul>
<li>The first rule says that if the user requests the URL '/path/to/index.php/articles',
  it should be treated as '/path/to/index.php/article/list'; and vice versa applies
  when constructing such a URL.</li>
<li>The second rule contains 