Discuz! 在线中文分词、关键词提取服务
不同于使用自己的服务器进行分词,Discuz!在线中文分词服务是基于API返回分词结果的。在项目中,我们只需要一个函数即可方便地进行分词、关键词提取。
以下是根据Discuz!在线分词服务API写的函数,测试可正常运行:/**<br>
* DZ在线中文分词<br>
* @param $title string 进行分词的标题<br>
* @param $content string 进行分词的内容<br>
* @param $encode string API返回的数据编码<br>
* @return array 得到的关键词数组<br>
*/<br>
function dz_segment($title = '', $content = '', $encode = 'utf-8'){<br>
<br>
if($title == ''){<br>
return false;<br>
}<br>
<br>
$title = rawurlencode(strip_tags($title));<br>
$content = strip_tags($content);<br>
if(strlen($content)>2400){ //在线分词服务有长度限制<br>
$content = mb_substr($content, 0, 800, $encode);<br>
}<br>
$content = rawurlencode($content);<br>
<br>
$url = 'http://keyword.discuz.com/related_kw.html?title='.$title.'&content='.$content.'&ics='.$encode.'&ocs='.$encode;<br>
<br>
$xml_array=simplexml_load_file($url); //将XML中的数据,读取到数组对象中 <br>
<br>
$result = $xml_array->keyword->result;<br>
$data = array();<br>
foreach ($result->item as $key => $value) {<br>
array_push($data, (string)$value->kw);<br>
}<br>
if(count($data) > 0){<br>
return $data;<br>
}else{<br>
return false;<br>
}<br>
}
分词示例,通过url访问:http://keyword.discuz.com/related_kw.html?title=Discuz!在线中文分词、关键词提取服务&content=不同于使用自己的服务器进行分词,Discuz!在线中文分词服务是基于API返回分词结果的。在项目中,我们只需要一个函数即可方便地进行分词、关键词提取。&ics=utf-8&ocs=utf-8
得到的分词结果为:
关键词,服务器,在线,中文,项目
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