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();
?>