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    <title>htle2101 (haitao)</title>
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    <item>
      <title>Url 参数问题</title>
      <description>&lt;p&gt;比如说链接&lt;a href="http://www.xxx.cn?a=bbb%C2%A0&amp;amp;b=11111" rel="nofollow" target="_blank"&gt;http://www.xxx.cn?a=bbb%C2%A0&amp;amp;b=11111&lt;/a&gt;
取出来的 params[:a] 是"bbb "
但是 bbb 后面的空格怎么去都去不掉。。。
哪位大神知道 bbb 后面的空格是什么字符？该怎么去掉？&lt;/p&gt;</description>
      <author>htle2101</author>
      <pubDate>Mon, 02 Dec 2013 16:10:34 +0800</pubDate>
      <link>https://ruby-china.org/topics/15940</link>
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