php 模拟 asp.net webFrom 按钮提交事件实例

<?
require_once '../inc/EventHelper.php';

function Page_Load()
{
echo '在任何时候都会运行<br>';

if(!Page::IsPostBack())
{
echo '加载产品分类<br>';
if($_GET['cmd']=='edit') 
{
echo '修改加载需要修改的产品信息<br>';
}
}
}

function bAdd_Click()
{
//Comm::CheckQX('产品管理_添加');
echo "bAdd_Click<br>";
}

function bEdit_Click()
{
//Comm::CheckQX('产品管理_修改');
echo 'proID='.$_GET['proID'].'<br>';
echo "bEdit_Click<br>";
}

function sdfsdfdsf_Click()
{
echo "e44444444444444444444<br>";
}

?>

<form name="aa" method="post" action="?<?=Comm::GetParam()?>">
<input type="submit" name="bAdd" value="添加" />
<input type="submit" name="bedit" value="修改" />
<input type="submit" name="sdfsdfdsf" value="ewrewrewr" />
</form>

<?
class Page
{
//是否回发数据，1:是
public static function IsPostBack()
{
global $SYSRunEventName;
return !empty($SYSRunEventName);
}

//加载并执行事件
function EventLoad()
{
global $SYSRunEventName;

$arrEvent=get_defined_functions();
$arrEventUser=$arrEvent['user'];

$arr=array_keys($_POST);
foreach($arr as $row)
{
$name=strtolower($row);
foreach($arrEventUser as $row1)
{
$name1=str_ireplace('_click','',$row1);
if($name==$name1)
{
$SYSRunEventName=$row1;
break;
}
}

if(!empty($SYSRunEventName))
{
break; 
}
}

if(function_exists('Page_Load')) 
Page_Load();

$SYSRunEventRunName=strtolower($SYSRunEventName);

if(Page::IsPostBack())
{
$SYSRunEventName();
}
}
}

class Comm
{
public static function GetParam($params=array(),$cmd='addoverride')
{
$allParam=array();

if($cmd=='addoverride')
{
$arrKeys=array_keys($params);
foreach($arrKeys as $row)
{
if(!in_array($row,array_keys($allParam))) 
$allParam[$row]=$params[$row];
}
}
else if($cmd=='del')
{
foreach($params as $row)
{
unset($_GET[$row]); 
}
}


$arrKeys=array_keys($_GET);
foreach($arrKeys as $row)
{
if(!in_array($row,array_keys($allParam)))
$allParam[$row]=$_GET[$row];
}

$p='';
$arrKeys=array_keys($allParam);
foreach($arrKeys as $row)
{
$p.=$row.'='.$allParam[$row].'&';
}
return rtrim($p,'&');
}
}

Page::EventLoad();
?>