php实现scws中文分词搜索的方法介绍
这篇文章主要介绍了php实现scws中文分词搜索的方法,详细介绍了scws中文分词搜索的具体步骤与相关使用技巧,并提供了scws的本站下载地址,需要的朋友可以参考下
本文实例讲述了php实现scws中文分词搜索的方法。分享给大家供大家参考，具体如下：
1、4个文件（本站下载地址。
）解压后，放到一个地方 eg:E:/wamp/scws
2、php.ini 中配置
extension = php_scws.dll scws.default.charset = utf8 //配置默认的编码方式 scws.default.fpath = "E:/wamp/scws" //加压后文件的路径
3、使用
$so = scws_new();
$so->set_charset('utf8'); //编码
// 这里没有调用 set_dict 和 set_rule 系统会自动试调用 ini 中指定路径下的词典和规则文件
$so->add_dict(ini_get('scws.default.fpath') . '/dict.utf8.xdb');
//$so->add_dict('./dd.txt',SCWS_XDICT_TXT);
$so->set_rule(ini_get('scws.default.fpath') . '/rules.utf8.ini');
$so->set_duality(0); //散字二元
$so->set_ignore(0); //忽略标点符号
$so->set_multi(0);
$wd='要搜索的内容';
$so->send_text($wd);
while($tmp = $so->get_result())
//遍历后即得到字符串分割后的内容，
//根据得到的内容分别到数据库中查找（like匹配）
{
}亲自试验了一下如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>test</title>
</head>
<body>
<?php
function search($keywords,$table,$key1,$key2){
// (要查找的字符串,表名,字段一,字段二)如果就一个字段的话，$key2='';
$arr=array();
$str=array();
if( preg_match("/^[^\x80-\xff]+$/", $keywords)){//判断keywords是否全为英文，全为英文的话按照字符串切割处理
$str1=explode(' ',$keywords); //先按照空格切割
foreach($str1 as $key=>$value)
{
$str2=explode(',',$value); //，切割
foreach($str2 as $k=>$v)
{
$str3=explode('.',$v); //。切割
foreach($str3 as $kk=>$vv)
{
array_push($arr,$vv);//处理完后，返回一个数组
}
}
}
}else{//对中文的分词处理
$so = scws_new();
$so->set_charset('utf8');
// 这里没有调用 set_dict 和 set_rule 系统会自动试调用 ini 中指定路径下的词典和规则文件
$so->add_dict(ini_get('scws.default.fpath') . '/dict.utf8.xdb');
$so->set_rule(ini_get('scws.default.fpath') . '/rules.utf8.ini');
$so->set_duality(0); //散字二元
$so->set_ignore(0); //忽略标点符号
$so->set_multi(0);
$so->send_text($keywords);
while ($tmp = $so->get_result())//得到一个数组，里面包含词组和标点符号
{
foreach($tmp as $key=>$value)
{
$value=$value["word"];
if(preg_match("/^[一-龥]{6,21}$/", $value))//去除标点符号
{
array_push($arr,$value);
}
}
}
}
foreach($arr as $key=>$value)//便利得到的数组,到数据库中匹配
{
if($key2!='')
{
$sql="select * from `$table` where `$key1` like '%$value%' or `$key2` like '%$value%'";
}else{
$sql="select * from `$table` where `$key1` like '%$value%'";
}
$query=mysql_query($sql);
array_push($str,$query);
}
return $str;
}
include('conn.php');
$keywords="哈哈lsd djk,hdjs dd";
$table='two_key';
$key1='address';
$key2='';
$query=search($keywords,$table,$key1,$key2);
foreach($query as $key=>$value)
{
while($row=mysql_fetch_array($value))
{
echo $row[id].'----'.$row[name].'-----'.$row[address].'<br>';
}
}
?>
</body>
</html> 以上就是php实现scws中文分词搜索的方法介绍的内容，更多相关内容请关注PHP中文网（www.php.cn）！
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