如何从 PHP 脚本在 joomla 3.0 中插入和发布新闻

Question

I try insert some articles from a PHP script but i don´t get it. I need to know what fields are required and how I can create the query to do it.

Now, I´m write the next code:

foreach($RSS_DOC->channel->item as $RSSitem){

    $alias    = md5($RSSitem->title);
    $fetch_date = date("Y-m-j G:i:s"); //NOTE: we don't use a DB SQL function so its database independent
    $item_title = $RSSitem->title;
    $item_description = $RSSitem->description;
    $item_date  = date("Y-m-j G:i:s", strtotime($RSSitem->pubDate));
    $item_url   = $RSSitem->link;

    // Does record already exist? Only insert if new item...

    $item_exists_sql = "SELECT alias FROM jos_content where alias = ".$alias;
    $item_exists = mysqli_query($enlace,$item_exists_sql);
    if(mysqli_num_rows($item_exists)<1){
        $mensaje = "<p>".$item_description."</p>Publicado: ".$item_date."<br/><a href='".$item_url."'>Ver noticia original</a>";
        $item_insert_sql = "INSERT INTO jos_content(title, alias, introtext, state, catid, created, created_by, access,featured) VALUES ('" .$item_title. "', '" . $alias. "', '" . $mensaje. "',1, 10,'".$fetch_date."',448,1,1)";
        $insert_item = mysqli_query($enlace,$item_insert_sql);

    }

}

Answer 1

First order of business is to create the article data object. I use a method to scrub out an existing id or asset_id references in case I'm migrating article data from one instance to another. This could be replaced by your logic to build out the article data object as well. Just be sure to use an associative array:

function processArticleData($obj) {
    $data = array();
    foreach ($obj as $key => $value) {
        $data[$key] = $value;
    }

    $data['id'] = 0;
    unset($data['asset_id']);

    return $data;
}

Next you load the JTable content class, bind the data and save. Joomla does all the rest:

function addArticle($obj) {
    // Initialise variables;
    $data       = processModuleData($obj);
    $table      = &JTable::getInstance('content');

    // Bind the data.
    if (!$table->bind($data))
    {
        echo "<h1>Error Binding Article Data</h1>";
        return false;
    }

    // Check the data.
    if (!$table->check())
    {
        echo "<h1>Error Checking Article Data</h1>";
        return false;
    }

    // Store the data.
    if (!$table->store())
    {
        echo "<h1>Error Storing Article Data</h1>";
        return false;
    }

    return $table->get('id');
}

The benefits of this approach is it removes any "guessing" about required fields or potential errors, as if there is an issue with the data Joomla will throw an exception or error stating what the issue was. If you wanted/needed to get real fancy, you could even load the JForm object for content, bind your data to it and then validate before binding to the JTable object.

Creating the data object has only two requirements. The first is to use an associative array and the second all key names match columns in the #__content table. An example data object would look like this:

 $data = array(
    'title' => $title,
    'alias' => $alias,
    'introtext' => $introtext,
    'fulltext' => $fulltext,
    'catid' => $catid,
    'images' => '',
    'urls' => '',
    'attribs' => '',
    'metakey' => '',         
    'metadesc' => '',
    'metadata' => '',
    'language' => '',
    'xreference' => '',         
    'created' => JFactory::getDate()->toSql(),
    'created_by' => JFactory::getUser()->id,
    'publish_up' => JFactory::getDate()->toSql(),
    'publish_down' => JFactory::getDbo()->getNullDate(),
    'state' => 1
);

I use some more Joomla helper functions to make my job easier, but this should provide a good starting point for you to get the ball rolling.

* EDIT *

Noticed a typo which I corrected. Not sure if you copy/pasted but switch the below line for the array declaration above and test again:

    $data       = processModuleData($obj);

Answer 2

This script should do it....assuming it exists in the root of your site:

if (!defined('_JEXEC')) {
    define( '_JEXEC', 1 );
    define ('JPATH_BASE', 'c:\\wamp\\www\\mysiteroot');

    require_once ( JPATH_BASE .'/includes/defines.php' );
    require_once ( JPATH_BASE .'/includes/framework.php' );
    $mainframe = JFactory::getApplication('site');
}
function getContentTable($type = 'Content', $prefix = 'JTable', $config = array())
{
    return JTable::getInstance($type, $prefix, $config);
}
function addArticle($title, $alias)
{
    $table = getContentTable();
    $table->title = $title;
    $table->alias = $alias;
    $table->catid = 2;
    $table->state = 1;
    // and so on!
    // then save it
    $table->store();
}
$result = addArticle("foo", "bar");