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.
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:
$dbhost = "localhost"; $dbuser = "root"; $dbpw = "password"; $dbname = "database_name";
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:
$linkid = @mysql_connect($dbhost, $dbuser, $dbpw, true); mysql_select_db($dbname, $linkid); $this->add_connect($linkid, true);
3. Execute the query
Usequery
method executes the query, where $sql
is the SQL statement to be executed:
$sql = "SELECT * FROM table_name"; $result = $this->query($sql, $linkid);
4. Get the results
Use fetch_array
Method to get query results:
$row = $this->fetch_array($result);
Example:
The following code gets all user data from an external database:
$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>"; }
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