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完成DBRecommand類別且已測試完成

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This commit is contained in:
kobayashi 2015-01-03 05:35:39 +08:00
parent 5d5c2d786c
commit cc02589d2d
1 changed files with 53 additions and 10 deletions
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63
htdocs/lib/Database/DBRecommand.php
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@ -2,12 +2,18 @@
namespace UElearning\Database;
use UElearning\Exception;
require_once UELEARNING_ROOT.'/config.php';
require_once UELEARNING_LIB_ROOT.'/Database/Database.php';
require_once UELEARNING_LIB_ROOT.'/Database/Exception.php';
use UElearning\Exception;
class DBRecomamnd extends Database
/**
* 查推薦學習點時所需要的表格資料
* Usage:
*
*/
class DBRecommand extends Database
{
/**
@ -15,14 +21,14 @@ class DBRecomamnd extends Database
* @param string $where SQL WHERE子句
* @return array 查詢結果
*/
protected function queryBelongByWhere($where)
protected function queryEdgeByWhere($where)
{
$sqlString = "SELECT DISTINCT ".$this->table('Edge').".Ti, ".$this->table('Edge').".Tj, ".$this->table('Edge').".MoveTime".
" FROM ".$this->table('Edge')." WHERE ".$where;
$this->conndb->prepare($sqlString);
$this->conndb->execute();
$query = $this->connDB->prepare($sqlString);
$query->execute();
$queryAllResult = $this->conndb->fetchAll();
$queryAllResult = $query->fetchAll();
if(count($queryAllResult) != 0)
{
@ -30,9 +36,9 @@ class DBRecomamnd extends Database
foreach ($queryAllResult as $key => $thisResult)
{
array_push($result,
array("Ti" => $thisResult['Ti'],
"Tj" => $thisResult['Tj'],
"MoveTime" => $thisResult['MoveTime']));
array("current_point" => $thisResult['Ti'],
"next_point" => $thisResult['Tj'],
"move_time" => $thisResult['MoveTime']));
}
return $result;
@ -40,4 +46,41 @@ class DBRecomamnd extends Database
else return null;
}
protected function queryBelongByWhere($where)
{
$sqlString = "SELECT ".$this->table('tbelong').".Weights FROM ".$this->table('tbelong')." WHERE ".$where;
$query = $this->connDB->prepare($sqlString);
$query->execute();
$queryResult = $query->fetchAll();
if(count($queryResult) != 0)
{
$result = array();
foreach ($queryResult as $key => $thisResult)
{
array_push($result, array("weight" => $thisResult['Weights']));
}
return $result;
}
else return null;
}
public function queryBelongByID($next_point,$theme_number)
{
$whereClause = $this->table('tbelong').".thID = ".$this->connDB->quote($theme_number)." AND ".$this->table('tbelong').".TID = ".$this->connDB->quote($next_point);
$AllOfResult = $this->queryBelongByWhere($whereClause);
if(count($AllOfResult) != 0) return $AllOfResult;
else return null;
}
public function queryEdgeByID($currentPoint)
{
$AllOfResult = $this->queryBelongByWhere("Ti = ".$this->connDB->quote($currentPoint));
if(count($AllOfResult) != 0) return $AllOfResult;
else return null;
}
}