Home Backend Development PHP Tutorial 使用Discuz关键词服务器实现PHP中文分词_PHP

使用Discuz关键词服务器实现PHP中文分词_PHP

Jun 01, 2016 am 11:55 AM
php

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:
复制代码 代码如下:
/**
 * DZ在线中文分词
 * @param $title string 进行分词的标题
 * @param $content string 进行分词的内容
 * @param $encode string API返回的数据编码
 * @return  array 得到的关键词数组
 */
 function dz_segment($title = '', $content = '', $encode = 'utf-8'){
    if($title == ''){
        return false;
    }
    $title = rawurlencode(strip_tags($title));
    $content = strip_tags($content);
    if(strlen($content)>2400){ //在线分词服务有长度限制
        $content =  mb_substr($content, 0, 800, $encode);
    }
    $content = rawurlencode($content);
    $url = 'http://keyword.discuz.com/related_kw.html?title='.$title.'&content='.$content.'&ics='.$encode.'&ocs='.$encode;
    $xml_array=simplexml_load_file($url);                        //将XML中的数据,读取到数组对象中 
    $result = $xml_array->keyword->result;
    $data = array();
    foreach ($result->item as $key => $value) {
            array_push($data, (string)$value->kw);
    }
    if(count($data) > 0){
        return $data;
    }else{
        return false;
    }
 }

分词示例,通过url访问:
复制代码 代码如下:http://keyword.discuz.com/related_kw.html?title=高三历史全程复习精品教程&content=&ics=utf-8&ocs=utf-8

返回的XML数据:
复制代码 代码如下:

 36000
 
 
  1
  0
  1291287160
  0
 

 
  
   
  

 

 

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