我有我的ajax,它说当用户到达页面底部时,它会加载一个PHP脚本。在iPhone上,它会多次加载相同的内容(它会加载id #5,然后一遍又一遍地连续加载id #4 - 在PC上,它将ID #5加载到id #1。
索引.php - AJAX
<script>
$(document).ready(function(){
var loadLogs = 0;
$.ajax({
type: 'GET',
url: 'inc/loadLogs.php',
data:{
'offset': 0,
'limit': 1
},
success: function(data){
$('#showAuditLogs').append(data);
loadLogs += 1;
}
});
$(window).scroll(function(){
if($(window).scrollTop() >= $(document).height() - $(window).height()){
$.ajax({
type: 'GET',
url: 'inc/loadLogs.php',
data:{
'offset': loadLogs,
'limit': 1
},
success: function(data){
$('#showAuditLogs').append(data);
loadLogs += 1;
}
});
}
});
});
</script>
索引.php - HTML
<div id="showAuditLogs">
</div>
加载日志.php
<?php
include 'database.php';
$limit = $_GET['limit'];
$offset = $_GET['offset'];
$logs = DB::query("SELECT * FROM auditlog ORDER BY id DESC LIMIT $limit OFFSET $offset");
foreach($logs as $l){
$action = $l['action'];
$logId = $l['id'];
echo "<p class='card-text'><strong>$logId </strong>$action</a></p><hr style='background-color: white;'>";
}
?>
尝试创建一个元素,例如按钮,当您单击脚本时加载脚本,然后在滚动到底部时使用此代码触发按钮(适用于所有设备(:
var CheckIfScrollBottom = debouncer(function() {
if (getDocHeight() == getScrollXY()[1] + window.innerHeight) {
$('your button id or class').trigger('click');
}
});
您的 ajax 将是 :
<script>
$(document).ready(function(){
var loadLogs = 0;
$.ajax({
type: 'GET',
url: 'inc/loadLogs.php',
data:{
'offset': 0,
'limit': 1
}
,
success: function(data){
$('#showAuditLogs').append(data);
loadLogs += 1;
}
}
);
var CheckIfScrollBottom = debouncer(function() {
if (getDocHeight() == getScrollXY()[1] + window.innerHeight) {
$.ajax({
type: 'GET',
url: 'inc/loadLogs.php',
data:{
'offset': loadLogs,
'limit': 1
}
,
success: function(data){
$('#showAuditLogs').append(data);
loadLogs += 1;
}
}
);
}
}
);
}
);
document.addEventListener('scroll', CheckIfScrollBottom);
function debouncer(a, b, c) {
var d;
return function() {
var e = this,
f = arguments,
g = function() {
d = null, c || a.apply(e, f)
}
,
h = c && !d;
clearTimeout(d), d = setTimeout(g, b), h && a.apply(e, f)
}
}
function getScrollXY() {
var a = 0,
b = 0;
return "number" == typeof window.pageYOffset ? (b = window.pageYOffset, a = window.pageXOffset) : document.body && (document.body.scrollLeft || document.body.scrollTop) ? (b = document.body.scrollTop, a = document.body.scrollLeft) : document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop) && (b = document.documentElement.scrollTop, a = document.documentElement.scrollLeft), [a, b]
}
function getDocHeight() {
var a = document;
return Math.max(a.body.scrollHeight, a.documentElement.scrollHeight, a.body.offsetHeight, a.documentElement.offsetHeight, a.body.clientHeight, a.documentElement.clientHeight)
}
</script>