Hi all:
Here is a problem when using the customer ajax in cake.
The requirement is that:
I want to implement upload without refreshing the whole page
so I add target attribute for form(using iframe)
=>target="uploadframe">
and hold all the datas in the form to action=>"../umanager/save/<?php
echo $detail['id']?>";
in the comtroller here is the function save:
function save($id){
$this->layout = 'ajax';
if (!empty($this->params['form'])){
move_uploaded_file($this->params['form']['file']['tmp_name'],"c:/temp/".$this->params['form']['picAdd1ChildName1']['name']);
}else{
$this->log("all data is: no data set", LOG_DEBUG);
}
$this->set('aimId',$id);
$this->set('upload_msg',"Good!");
$this->set('updatedArea',"aimdetail".$id);
}
and in the save.thtml I wrote the ajax codes which link to another
function in the
controller to get the detail about this saved item and show it after
saving.
save.thtml:
<script type="text/javascript">
var xmlHttp;
var datas;
var aimId;
function createXMLHttpRequest() {
if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
}
function getData() {
createXMLHttpRequest();
aimId="<?php echo $aimId?>";
var url = "umanager/getAimDetail/"+aimId;//here is the
action to get and show
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = callback;
xmlHttp.send(null);
}
function callback() {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
datas=xmlHttp.responseText;
}
}else{
datas="loading...";
}
var updatedArea="<?php echo $updatedArea?>";
parent.document.getElementById(updatedArea).innerHTML =datas;
parent.document.getElementById("message").style.display = "block";
parent.document.getElementById("message").innerHTML = "<?php echo
$upload_msg ?>";
setTimeout("parent.document.getElementById('message').style.display =
'none'", 3000);
}
getData();
</script>
The problem is that:
when I click the save button,I found that the function in the
save.thtml does'nt work
that is function "umanager/getAimDetail/"+aimId is not called and
instead, the function
"save" is called twice.I wonder why?one is when clicking the "save"
button.and I do not known
the second time when it is called.
Thanks all!
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