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我试图将参数传递到一个URL,并让他们到控制器的功能:在锚onclick
我传递的值的JavaScript函数。如何将参数传递给网址
这是的onclick锚:
<a href="" onclick="change_lang('<?=base_url()?>home/change_lang','en')">English</a>
,这是javascript函数:
function change_lang(page,str)
{
var url=page;
var params='?lang='+str;
makerequest_sp(url, params);
}
,这是控制器功能:
public function change_lang()
{
$lang=$this->input->Get('lang');
if(!isset($lang))
{
$this->session->set_userdata('lang',"en");
}
else
{
$this->session->set_userdata('lang',$lang);
}
redirect(base_url());
}
和此makerequest_sp功能:
function makerequest_sp(serverPage, params, objID)
{
var xmlhttp_sp = getXMLHttp();
//set url
var url = serverPage;
//set xml method to POST
xmlhttp_sp.open("POST", url, true);
//Send the proper header information along with the request
xmlhttp_sp.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=UTF-8");
xmlhttp_sp.setRequestHeader("Content-length", params.length);
xmlhttp_sp.setRequestHeader("Connection", "close");
xmlhttp_sp.onreadystatechange = function() {//Call a function when the state changes.
if(xmlhttp_sp.readyState == 4 && xmlhttp_sp.status == 200) {
document.getElementById(objID).innerHTML = xmlhttp_sp.responseText;
}
}
//send parameters
xmlhttp_sp.send(params);
}
,但我不能访问传递的参数。
如何从获得'makerequest_sp'到PHP中的'change_lang'函数? – Halcyon