I am building a website using php + jquery.
In a jquery ajax page, I have to clear caches every time by ctrl +F5, otherwise, the buttons of this page can not be clicked.
My thought is refresh this page mandatorily by "window.location.reload(true);" , but I could not clear the caches at the same time！
Is there any Jquery or something can clear the caches automatically after clicking the buttons instead of ctrl +F5?
my codes are below:
...
$("[id = One_Click_Accept]").click(function(){
...
$.ajax({
url: WebsitePath + '/accreditation_check/' + CurAccreditationId,
data: {
accreditation_id: CurAccreditationId,
IsAccredited: 1,
CheckerName:$('#CheckerName').val(),
CheckTime: Math.round(new Date().getTime()/1000).toString(), //it need a 10 digit timestamp to save to the db.
TheCountry : TheCountry,
TheSchool: TheSchool,
TheDegree: TheDegree,
TheMajor: TheMajor,
YearOfGraduation: YearOfGraduation
},
type: "POST",
dataType: 'json',
cache: false,
success: function (Result) {
if (Result.Status == 1) {
alert('认证成功');
} else {
alert('认证失败');
$("#One_Click_Accept").val('再次认证');
}
},
error: function () {
alert('认证失败');
$("#One_Click_Accept").val('再次认证');
}
});
}
//window.location.reload(true);
});
Thank you guys!
I resolved it by using "setTimeout(function()" to delay the load time.
Not only that, I had to use a different selector, It looks like "$(document).on('click',"[id = One_Click_Accept]",function(e) ".
Related
In the middle of a PayPal Checkout Express (client-side) javascript, I need to use AJAX to call the output of a PHP page, but I'm a bit stuck.
The PHP page:
$data = array('retid' => $username);
header('Content-Type: application/json');
echo json_encode($data);
Now inside the other javascript page I simply want to capture the PHP variable $username, via AJAX, as a javascript variable.
<?php
$IDToPassPlus = ($id.'&retid=');
?>
<script>
//It's the inclusion of this part, which tries to get the "retid" js variable, that stops the script from rendering the Paypal button:
$.ajax({
type: 'POST',
url: 'test-call.php',
dataType: 'json',
success: function(response) {
var retid = response.data.retid;
},
});
paypal.Button.render({
env: 'sandbox',
client: {
sandbox: 'xxxxx',
production: 'xxxxx'
},
commit: true,
style: {
layout: 'vertical',
size: 'responsive',
shape: 'rect',
color: 'gold'
},
payment: function(data, actions) {
return actions.payment.create({
payment: {
transactions: [
{
amount: { total: '0.99', currency: 'GBP' }
}
],
redirect_urls: {
'cancel_url': 'pay-return-cancel.php?id=<?php echo $IDToPassPlus; ?>'+retid
}
}
});
},
onAuthorize: function(data, actions, error) {
return actions.payment.execute().then(function() {
window.alert('Payment Complete!');
window.location.replace('test-return.php?id=<?php echo $IDToPassPlus; ?>'+retid);
if (error === 'INSTRUMENT_DECLINED') {
actions.restart();
}
});
},
onCancel: function(data, actions) {
return actions.redirect();
},
onError: function(err) {
window.location.replace('pay-return-error.php?id=<?php echo $id; ?>'+retid);
}
}, '#paypal-button');
</script>
Without the contributor's AJAX suggestion, the button works perfectly. But I'm trying to pass a variable from a PHP page by way of AJAX, to add it onto the redirects.
it's possible to use on in-page javascript as
<script>
var js_var = "<?php echo $php_var;?>";
//now you have php var value in javascript to use on .php page
If it's not what you are seeking, then please elaborate your question.
ok so as far I understood you want to retrieve the PHP response via ajax and you don't know how to make ajax call. Here is an example you may use on your js file:
$.ajax({
type: 'POST',
url: 'YOUR PHP SCRIPT URL',
dataType: 'json',//this will make it understand what datatype to expect in response
success: function(response) {
var retid = response.data.retid; //here you get on successfull response
},
});
First, read this entire page; it will really help you throughout your career as a developer, it has helped me tremendously: https://stackoverflow.com/help/mcve
Then, lets use the knowledge gained from that page to make an MCVE. Put this on a new page:
$.ajax({
type: 'POST',
url: 'test-call.php',
dataType: 'json',
success: function(response) {
var retid = response.data.retid;
console.log(retid);
},
});
This should print the value of retid to your console. Take a look at your console. Notice any errors, or does the value of retid print as expected?
So why have we taken time to create a new page and put this on it? We are narrowing down our issue, we're trying to find the exact cause of the problem by creating an MCVE. If we don't know what is causing the problem, and if we can't create a very basic example to illustrate the problem, we will have a hard time solving the problem and/or asking for help.
(Note 1, make your code "pretty" when you post it here. Indent it as it should be indented; this makes it easier for others to read. You are asking people to take time out of their day to help you, for free; make it as easy as possible for them to read and understand your code)
(Note 2, here is an example of where I had some very, very complicated MySQL interactions that I had a question about. Rather than post all of the complicated code, I followed the MCVE concept: DRY - how to extract repeated code to...a stored function maybe? and made some fake, very very simplified examples of my problem. Since I did that, I was able to get quick, concise answers from experts, notice the answer I accepted was from one of the top-scored users on all of Stackoverflow)
I have an AJAX call to the create_pdf.php page:
$('body').on('click', '.PrintButtonWithClass', function (event) {
var1 = $('#id1').val();
var2 = $('#id2').val();
dataString='var1='+var1+'&var2='+var2+'&pdf_name=PdfName&pdf_creator=myname';
$.ajax({
type: 'post',
url: '/path/to/createpdf/file/create_pdf.php',
data: dataString,
success: function (data) {
alert('success');
}
});
});
In create_pdf.php I tried to use this line to download the file:
$pdf->Output(str_replace(' ','_',utf8_decode($_POST['pdf_name'])).'.pdf', 'D');
I tried also the FD and I parameters with no success, the file does not get downloaded.
How can I force downloading the file created without saving it to the webserver and without redirecting user to any other page? I want him to stay on the same page, and that the browser pops up a (download or preview dialog box) for the PDF. Is there any way to do it?
EDIT : create_pdf.php is Waiting for POST variables. and uses them to create the HMTL for the pdf.
You can try to submit the form to a new window( like a popup ):
<form method="post" id="myform" action="your_url">
<input name="param1">
</form>
And in javascript
// create popup window
var wind = window.open('about:blank', '__foo', 'width=700,height=500,status=yes,resizable=yes,scrollbars=yes');
// submit form to popup window
$("#myform").attr("target", "__foo");
Do not forget to send content-type header from php:
header("Content-Type", "application/pdf");
Edit:
Browsers should display your pdf content and also show download or print options.
The code is not tested but I think it would do what you requested;
I found a work-around for my problem.
I did an AJAX call inside another AJAX call.
the first AJAX call creates the file on webServer and opens the file in a new Window.
In his success parameter I do the following:
The second AJAX call that deletes the file from Server.
$.ajax({
type: 'post',
url: '/path/to/create_pdf.php',
data: dataString,
success: function (data) {
window.open(
data,
'_blank' // <- This is what makes it open in a new window.
);
window.setTimeout(function () {
dataString2 = 'Downloaded=true';
$.ajax({
type: 'post',
url: '/path/to/create_pdf.php',
data: dataString2,
success: function (data) { alert(data); }, // handler if second request succeeds
});
}, 5000);
},
});
Using this answer to my similar request : send a csv file from php to browser
I needed to (1) get and display a pdf in another window; and
(2) get a CSV file and prompt for saving.
I have 2 simple buttons on the page (http://potoococha.net/) for each. Here is the code:
function getCSVText(evt) {
if (currentChecklistCountry) {
var form = $('<form method="post" action="../php/sendCSV.php?country=' + currentChecklistCountry + '"></form>');
$('body').append(form);
form.submit();
form.remove();
}
else checklistCountryButton.classList.add("needsAttention");
}
function openChecklistPage() {
if (!currentChecklistCountry) {
checklistCountryButton.innerHTML = "Select Country";
checklistCountryButton.classList.add("needsAttention");
return;
}
if (gNumDays == undefined) gNumDays = 12;
vars = "?country=" + currentChecklistCountry;
vars += "&num_days=" + gNumDays;
vars += "&line_nos=" + lineNumbers.checked;
vars += "&left_check=" + leftCheck.checked;
vars += "&endemics=" + showEndemics.checked;
vars += "&sci_names=" + !sciNames.checked;
vars += "&italics=" + !italics.checked;
window.open( '../php/makePDF.php' + vars, '_blank' );
}
So the getCSVText() methods downloads a file using a temporary form appended and then immediately removed, and openChecklistPage() successfully opens another browser window with a pdf file. The pdf file is never saved on the server. The CSV file is already stored there and just retrieved. Perhaps you can modify the code for your purposes.
On a previous ajax call I get all articles for a selected Page.
Then I display them and bind this function - on click - to each of them. This is working only one time.
When I want to change a second or third article the article id inside the ajax call keeps holding its first value.
CKEDITOR.replace( 'editor1' );
function editArticle(article){
// id changes for each article as it is supposed to
var id = article.attr('data-id');
var text = article.html();
$('#ckModal').modal();
$('.modal-title').text('Editing Article: '+id+' on Page: '+pageTitle);
CKEDITOR.instances.editor1.setData(text);
CKEDITOR.instances.editor1.resize('100%', '350', true);
CKEDITOR.instances.editor1.on('save', function(e){
e.cancel();
var html = CKEDITOR.instances.editor1.getData();
if(html){
$.ajax({
type: 'POST',
url: '/admin/nodes/edit',
cache: false,
data: {'html' : html,
'articleId' : id }
}).done(function(msg){
// next two lines did not work
//CKEDITOR.instances.editor1.fire('save');
//CKEDITOR.instances.editor1.stop('save');
// id stays the same
console.log(id);
// I echo an 'ok' string when update worked from php
if(msg === 'ok'){
article.html(html);
$('#ckModal').modal('hide');
}else{
//alert(msg);
}
}).fail(function(xhr, status, error){
console.log(JSON.stringify(xhr));
console.log("AJAX error: " + status + ' : ' + error);
});
}
});
}
I had to cancel the save event to get and set Data and perform the ajax call.
But how do I restart or reset the 'save' event - if this is what is causing the problem. I am not so shure anymore ....
Got it working by destroying editor instance in ajax done function and creating a new one after it.
function editArticle(article){
var id = article.attr('data-id');
var text = article.html();
//CKEDITOR.replace( 'editor1' );
$('#ckModal').modal();
$('.modal-title').text('Editing Article: '+id+' on Page: '+pageTitle);
CKEDITOR.instances.editor1.setData(text);
CKEDITOR.instances.editor1.resize('100%', '350', true);
CKEDITOR.instances.editor1.on('save', function(e){
e.cancel();
var html = CKEDITOR.instances.editor1.getData();
if(html){
var title = $('.modal-title').html()
$('.modal-title').prepend(spinner);
$.ajax({
type: 'POST',
url: '/admin/nodes/edit',
cache: false,
data: {'html' : html,
'articleId' : id }
}).done(function(msg){
//console.log(id);
$('.modal-title').html(title);
if(msg === 'ok'){
article.html(html);
$('#ckModal').modal('hide');
CKEDITOR.instances.editor1.destroy();
CKEDITOR.replace( 'editor1' );
}else{
//alert(msg);
}
}).fail(function(xhr, status, error){
console.log(JSON.stringify(xhr));
console.log("AJAX error: " + status + ' : ' + error);
});
}
});
}
You are assigning multiple event listeners on your editor instance 'editor1', one for each article. What happens is when you click save, the first listener (the first article assigned) called cancels all others with e.cancel().
I see you achieved what you wanted by destroying your editor. Doing this removes event listeners, and solves your problem. You could achieve the same with calling e.removeListener() in the handler, this way removing itself after the first run and avoiding the need to recreate the editor. Also note that destroying editors and recreating them is leaking memory (some versions worse than others #13123, #12307), so one should probably avoid doing that if possible.
Both solutions make the save button unusable after a save; of course it will work after another article is chosen for editing. So my suggestion is to remove all previous listeners from your save command before assigning a new one, like this:
// ... in function editArticle ...
CKEDITOR.instances.editor1.resize('100%', '350', true);
CKEDITOR.instances.editor1.getCommand('save').removeAllListeners();
CKEDITOR.instances.editor1.on('save', function(e){
// ...
I'm currently trying to get a PHP loop status and update a HTML5 progress bar.
The loop is triggered by a button click and set to 5000 with 1sec sleep() after every execution. I of course also made an Ajax request to which reuqests the current loop number every second and update the progress bar. However the request always waits until the loop is completed and shows me a number like "1234567891011..."
This is my JQuery code which is very simple because it's only for testing and learning purpose
function getStatus() {
$.ajax({
url : 'ajax.php',
dataType: "html",
type: "POST",
data: {request: 'request',},
success: function( data ) {
//Call function to update status on the loading bar
updateBar(data);
}
});
//Update loading bar
function updateBar(data) {
$('progress').attr('value', data);
}
}
function setGo() {
$.ajax({
url : 'ajax.php',
dataType: "html",
type: "POST",
//async: false,
data: {status: 'GO',},
success: function( data ) {}
});
}
$('#start').click(function(event) {
setGo();
setInterval(function() {
getStatus();
}, 1000);
});
This is my php Code
<?php
//Overwrite php execution limit
set_time_limit(120);
if($_POST['status'] = 'GO') {
$number = 5000;
$counter = 0;
for($i=0; $i != $number; $i++) {
$counter++;
sleep(1);
if(isset($_POST['request'])) {
echo $counter;
}
}
}
?>
I tried a lot of different ways and read a lot of posts but somehow nothing worked for me.
Hope someone got an idea.
Take a good look at your "echo $counter;" part in your PHP script, that's in a (5000 times) loop.
After the PHP code is interpreted and executed, the web server sends resulting output to its client, usually in form of a part of the generated web page – for example, PHP code can generate a web page's HTML code
From PHP's wiki page
This basically means that the whole php file will always be executed before returning the output. The loop will be executed 5000 times before returning the output.
I need to load only new data into my div with ajax. At the moment I'm currently loading all data, because if I delete a record in the database it also removes it from my chat div.
Here is my js code:
var chat = {}
chat.fetchMessages = function () {
$.ajax({
url: '/ajax/client.php',
type: 'post',
data: { method: 'fetch', thread: thread},
success: function(data) {
$('.chat_window').html(data);
}
});
}
chat.throwMessage = function (message) {
if ($.trim(message).length != 0) {
$.ajax({
url: '/ajax/client.php',
type: 'post',
data: { method: 'throw', message: message, thread: thread},
success: function(data) {
chat.fetchMessages();
chat.entry.val('');
}
});
}
}
chat.entry = $('.entry');
chat.entry.bind('keydown', function(e) {
if(e.keyCode == 13) {
if($(this).val() == ''){
} else {
chat.throwMessage($(this).val());
e.preventDefault();
}
}
});
chat.interval = setInterval(chat.fetchMessages, 8000);
chat.fetchMessages();
I have had a look around and some say that if you pass a timestamp to the server and load new content that way, but I can't seem to get my head around that. If you need php let me know.
Right, so the timestamp thing makes the most sense. You'll need to do a few things:
On the back end, you need to make client.php accept a timestamp parameter in the querystring. When returning data, instead of just returning all of it, make it return everything since the time stamp, if given. Otherwise return everything.
The very first time you load the chat client, the first thing you should do is make an Ajax call to a new PHP file that returns the current server timestamp. Store the value of that in a Javascript variable as a Number.
During chat.fetchMessages(), increment the value of the timestamp variable by however long it's been since the last fetch (looks like 8000 milliseconds), and feed that to client.php, like url: '/ajax/client.php?timestamp=' + latestFetchTimestamp,
Instead of replacing all HTML content, append instead.