Sphinx PHP 实现全文搜索的搜索历史记录与推荐功能

./configure
make
make install

source src1
{
    type = Mysql

    sql_host = your_mysql_host
    sql_user = your_mysql_user
    sql_pass = your_mysql_passWord
    sql_db = your_mysql_database
    sql_port = 3306

    sql_query = 
        SELECT id, title, content 
        FROM articles
}

index idx1
{
    source = src1
    path = /path/to/index
    docinfo = extern

    morphology = stem_ru

    min_stemming_len = 4
}

searchd
{
    listen = 9312
    log = /path/to/log/searchd.log
}

<?php
require_once("sphinxapi.php");

// 定义Sphinx服务器的IP地址和端口号
$host = "127.0.0.1";
$port = 9312;

// 创建Sphinx客户端对象
$sphinx = new SphinxClient();

// 设置Sphinx服务器的连接信息
$sphinx->SetServer($host, $port);

// 设置搜索模式为全文搜索模式
$sphinx->SetMatchMode(SPH_MATCH_EXTENDED2);

// 定义关键词
$keyword = "php实现搜索";

// 执行搜索
$result = $sphinx->Query($keyword, "idx1");

if ($result["total"] > 0) {
    // 获取搜索结果
    $matches = $result["matches"];

    // 输出搜索结果
    foreach ($matches as $match) {
        echo "文章标题：" . $match["attrs"]["title"] . "<br>";
        echo "文章内容：" . $match["attrs"]["content"] . "<br>";
        echo "<br>";
    }
} else {
    echo "没有找到相关的文章";
}
?>

<?php
// ...
if ($result["total"] > 0) {
    // ...

    // 将搜索关键词插入到搜索历史记录表中
    $user_id = 1; // 假设用户ID为1
    $keyword = "php实现搜索";
    $created_at = date("Y-m-d H:i:s");

    $sql = "INSERT INTO search_history (user_id, keyword, created_at) VALUES ('$user_id', '$keyword', '$created_at')";
    // 执行SQL语句插入搜索历史记录
    // ...

    // 输出搜索结果
    // ...
}

<?php
// ...
$user_id = 1; // 假设用户ID为1

// 查询用户的搜索历史记录
$sql = "SELECT keyword FROM search_history WHERE user_id = '$user_id' ORDER BY created_at DESC LIMIT 5";
// 执行SQL语句查询搜索历史记录
// ...

// 将搜索关键词保存到数组中
$keywords = [];
while ($row = mysqli_fetch_assoc($result)) {
    $keywords[] = $row["keyword"];
}

<?php
// ...
if (count($keywords) > 0) {
    $sql = "SELECT title, content FROM articles WHERE ";
    foreach ($keywords as $keyword) {
        $sql .= "MATCH('$keyword') ";
        $sql .= "OPTioN ranker=expr('sum(word_count)*user_weight') ";
        $sql .= "AGaiNST('$keyword') OR ";
    }
    $sql = rtrim($sql, " OR ");
    $sql .= " LIMIT 5";
    // 执行SQL语句查询推荐结果
    // ...

    if (mysqli_num_rows($result) > 0) {
        // 输出推荐结果
        while ($row = mysqli_fetch_assoc($result)) {
            echo "文章标题：" . $row["title"] . "<br>";
            echo "文章内容：" . $row["content"] . "<br>";
            echo "<br>";
        }
    } else {
        echo "没有推荐的文章";
    }
}