Use PHP and coreseek to implement intelligent travel strategy search function

Use PHP and coreseek to realize intelligent travel strategy search function

1. Introduction
With the rapid development of the Internet, travel has gradually become a part of people's lives. Travel guide websites provide people with a variety of travel information and guide information to help them plan and enjoy their travels. However, when strategy information becomes more and more abundant and diverse, how to provide users with more intelligent search functions becomes a challenge.

In order to solve this problem, we can use PHP and coreseek, a full-text search engine, to build an intelligent travel guide search function.

2. Install and configure coreseek
First, we need to install and configure coreseek. coreseek is a search service based on Sphinx full-text search engine, which can provide efficient full-text search capabilities. We can download the latest version of coreseek from the coreseek official website (http://www.coreseek.cn/).

The process of installing coreseek is complicated and you need to follow the official coreseek documentation. First, we need to install Sphinx, then compile and install coreseek’s PHP extension. Finally, configure the coreseek configuration file and create the Sphinx index. After the installation and configuration are completed, we can use the API provided by coreseek to perform full-text search.

3. Create database and table
We need to create a MySQL database and create a table in the database to store travel guide information. For example, we create a database named "travel_guide" and create a table named "guides" in the database. The table structure is as follows:

CREATE TABLE guides (
id int(11) unsigned NOT NULL AUTO_INCREMENT,
title varchar (255) NOT NULL DEFAULT '',
content text NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

4. Insert data
Insert some sample data of travel guide information into the "guides" table. For example, we insert three pieces of data, which are travel strategies for Beijing, Shanghai and Hangzhou.

INSERT INTO guides (title, content) VALUES
('Beijing Travel Guide', 'Beijing is the capital of China. It has a long history and rich culture.'),
('Shanghai Travel Guide', 'Shanghai is the economic center of China and has a modern urban landscape.'),
('Hangzhou Travel Guide', ' Hangzhou is a tourist destination in China with the beautiful West Lake Scenic Area.');

5. Implement the search function
Now, we can use PHP and coreseek to implement the intelligent travel guide search function. First, we need to connect to the coreseek service in PHP code and specify search keywords.

require_once('sphinxapi.php');

$key = 'Travel Guide';

$cl = new SphinxClient();
$cl->SetServer("localhost", 9312);

$cl->SetMatchMode(SPH_MATCH_EXTENDED);
$cl->SetLimits(0, 10);

$result = $cl->Query($key, "guides");

if ($result === false) {

echo "搜索失败：" . $cl->GetLastError();

} else {

echo "共搜索到" . $result['total'] . "条结果：";

foreach ($result['matches'] as $match) {
    echo "ID：" . $match['id'] . "，标题：" . $match['attrs']['title'] . "，内容：" . $match['attrs']['content'] . "<br>";
}

}
?>

In the code, we first introduce coreseek’s PHP library file (sphinxapi.php). Then, specify the search keyword ($key = 'travel guide'). Next, create a SphinxClient object and set the address and port to connect to the coreseek service.

By calling the SetMatchMode and SetLimits methods, we can set the search mode and search result limits (up to 10 results are returned here). Finally, the Query method is called to perform the search.

If the search is successful, we can obtain the search result information through the $result variable. For example, use $result['total'] to get the total number of results searched; use $result['matches'] to get the detailed information of each result, including ID and title.

6. Result display
Finally, we can display the search results on the web page. Suppose we use the following HTML code to display search results:

<title>旅行攻略搜索结果</title>

<h1>旅行攻略搜索结果</h1>

<ul>
<?php foreach ($result['matches'] as $match) { ?>
    <li>
        <h2><?php echo $match['attrs']['title']; ?></h2>
        <p><?php echo $match['attrs']['content']; ?></p>
    </li>
<?php } ?>
</ul>

In this web page, we use an unordered list to display the search results. By looping through the $result['matches'] array, we can iterate through each result and display the title and content in the list items.

By accessing the web page, we can see the search results page. Each list item contains a title and content to facilitate users to view and select.

To sum up, using PHP and coreseek can realize the intelligent travel strategy search function. By configuring coreseek and using the API it provides, we can perform full-text search quickly and efficiently. This provides a more intelligent and convenient search tool for travel guide websites, providing users with a better travel experience.

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