View:
cdnauto/views/config/index.php
Copy Code code as follows:
echo CHtml::d ropdownlist (' node ', ', ', Chtml::listdata (Node::model ()->findall (), ' name ', ' name '), Array (' Empty ' => '--Please select a node--',
' id ' => ' node ',
' Ajax ' =>array (
' type ' => ' POST ',
' URL ' =>yii::app ()->createurl (' Cdnauto/config/getnodeserversbynodename '),
' Update ' => ' #servers ',
' data ' =>array (' node_name ' => ' js:$ ("#node"). Val (),
)
)
);
echo "";
echo CHtml::d ropdownlist (' Servers ', ', ', Array ('--Please select Server-'));
Controller:
cdnauto/controllers/configcontroller.php
Copy Code code as follows:
Public Function Actiongetnodeserversbynodename () {
//if (! Yii::app ()->request->isajaxrequest)
throw new Chttpexception (404);
$node _name = $_post[' node_name '];
$nodeid = Node::model ()->getnodeid ($_post[' node_name ')); Get the node ID through the node name
$server = Gossserver::model ()->getserverbynodeid ($nodeid); Get server information through Node ID
//$server is an array type, such as $server = Array (' name ' => ' name1 '), Array (' name ' => ' name2 '); so it takes two times to foreach
if (isset ($server)) {
foreach ($server as $k => $v) {
foreach ($v as $kk => $vv) {
echo chtml::tag (' option ', Array (' value ' => $kk), Chtml::encode ($VV), true);
}
}
}else{
echo chtml::tag (' option ', Array (' Value ' => '), ' servers ', true);
}
}
Model:
gossserver.php
Copy Code code as follows:
/**
* Get all the server names under this node through the node ID
* @author Ysdaniel
*/
public static function Getserverbynodeid ($nodeid)
{
$sql = "SELECT name from oss_server WHERE Nodeid = ' {$nodeid} '";
///$sql = "Select Name,nodeid from oss_server WHERE Nodeid = ' {$nodeid} '"; Both OK
$cmd = Yii::app ()->db->createcommand ($sql);
$ret = $cmd->queryall ();
if (! $ret) {
throw new Exception ("Cannot find the server for this node");
}
return $ret;
}
node.php
Copy Code code as follows:
/**
* Get Nodeid name
through nodename
* @author
*/
public static function Getnodeid ($name)
{
$sql = "SELECT id from oss_node WHERE name = ' {$name} '";
$cmd = Yii::app ()->db->createcommand ($sql);
$ret = $cmd->queryall ();
if (! $ret) {
return null;
//throw New Exception ("Cannot Find node{$name}");
}
return $ret [0][' id '];
}
Other:
Data table structure
Effect:
Before a node is selected:
The details are free to fill up.
