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How does Empire CMS use network connections?

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Release: 2024-04-17 03:03:15
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Empire CMS obtains data from external data sources through the network connection function. The specific steps include: 1. Configure database connection; 2. Create network connection; 3. Execute query; 4. Obtain results. You can get data from an external database by using the query and fetch_array methods to execute queries and get results.

How does Empire CMS use network connections?

Empire CMS How to use network connection

Empire CMS is an open source PHP content management system (CMS) , which provides network connection capabilities and allows users to obtain data from external data sources.

Usage:

1. Configure database connection

e/config/ in the root directory of the website In the config.php file, configure the database connection information:

<code class="php">$dbhost = "localhost";
$dbuser = "root";
$dbpw = "password";
$dbname = "database_name";</code>
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2. Create a network connection

e/class in the root directory of the website /db.class.php file, use the add_connect method to create a network connection:

<code class="php">$linkid = @mysql_connect($dbhost, $dbuser, $dbpw, true);
mysql_select_db($dbname, $linkid);
$this->add_connect($linkid, true);</code>
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3. Execute the query

Usequery method executes the query, where $sql is the SQL statement to be executed:

<code class="php">$sql = "SELECT * FROM table_name";
$result = $this->query($sql, $linkid);</code>
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4. Get the results

Use fetch_array Method to get query results:

<code class="php">$row = $this->fetch_array($result);</code>
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Example:

The following code gets all user data from an external database:

<code class="php">$db = new db;

// 创建网络连接
$linkid = $db->add_connect($dbhost, $dbuser, $dbpw, $dbname);

// 执行查询
$sql = "SELECT * FROM users";
$result = $db->query($sql, $linkid);

// 获取结果
while ($row = $db->fetch_array($result)) {
    echo "用户名:" . $row['username'] . "<br>";
    echo "密码:" . $row['password'] . "<br><br>";
}</code>
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