Jquery 如何:长列表视图与缩略图延迟加载?
我需要帮助。 我有一个带有缩略图图标的长列表视图。 像这样- 我如何调整系统,以便在第一次只有项目显示在屏幕上,这些缩略图将被加载。然后,如果用户向下滚动,将加载更多的缩略图。 也就是说,当用户向下滚动时,图像将被加载 同样的事情也发生在Facebook时间线上。试着看看旧的帖子 我不知道如何轻松做到这一点?尝试以下演示: 用法HTML:Jquery 如何:长列表视图与缩略图延迟加载?,jquery,mobile,lazy-loading,thumbnails,Jquery,Mobile,Lazy Loading,Thumbnails,我需要帮助。 我有一个带有缩略图图标的长列表视图。 像这样- 我如何调整系统,以便在第一次只有项目显示在屏幕上,这些缩略图将被加载。然后,如果用户向下滚动,将加载更多的缩略图。 也就是说,当用户向下滚动时,图像将被加载 同样的事情也发生在Facebook时间线上。试着看看旧的帖子 我不知道如何轻松做到这一点?尝试以下演示: 用法HTML: <ul class="items"> <li>content</li> <li>content&
<ul class="items">
<li>content</li>
<li>content</li>
...
</ul>
<div id="lastPostsLoader"></div>
<script type="text/javascript">
$(document).ready(function(){
function lastAddedLiveFunc()
{
$('div#lastPostsLoader').html('<img src="bigLoader.gif">');
$.get("loadmore.php", function(data){
if (data != "") {
//console.log('add data..');
$(".items").append(data);
}
$('div#lastPostsLoader').empty();
});
};
//lastAddedLiveFunc();
$(window).scroll(function(){
var wintop = $(window).scrollTop(), docheight = $(document).height(), winheight = $(window).height();
var scrolltrigger = 0.95;
if ((wintop/(docheight-winheight)) > scrolltrigger) {
//console.log('scroll bottom');
lastAddedLiveFunc();
}
});
});
<div id="postswrapper">
<div class="item">content</div>
...
<div id="loadmoreajaxloader" style="display:none;"><center><img src="ajax-loader.gif" /></center></div>
</div>
<script type="text/javascript">
$(window).scroll(function()
{
if($(window).scrollTop() == $(document).height() - $(window).height())
{
$('div#loadmoreajaxloader').show();
$.ajax({
url: "loadmore.php",
success: function(html)
{
if(html)
{
$("#postswrapper").append(html);
$('div#loadmoreajaxloader').hide();
}else
{
$('div#loadmoreajaxloader').html('<center>No more posts to show. </center>');
}
}
});
}
});
</script>
- 内容
- 内容
...
用法jQuery:
<ul class="items">
<li>content</li>
<li>content</li>
...
</ul>
<div id="lastPostsLoader"></div>
<script type="text/javascript">
$(document).ready(function(){
function lastAddedLiveFunc()
{
$('div#lastPostsLoader').html('<img src="bigLoader.gif">');
$.get("loadmore.php", function(data){
if (data != "") {
//console.log('add data..');
$(".items").append(data);
}
$('div#lastPostsLoader').empty();
});
};
//lastAddedLiveFunc();
$(window).scroll(function(){
var wintop = $(window).scrollTop(), docheight = $(document).height(), winheight = $(window).height();
var scrolltrigger = 0.95;
if ((wintop/(docheight-winheight)) > scrolltrigger) {
//console.log('scroll bottom');
lastAddedLiveFunc();
}
});
});
<div id="postswrapper">
<div class="item">content</div>
...
<div id="loadmoreajaxloader" style="display:none;"><center><img src="ajax-loader.gif" /></center></div>
</div>
<script type="text/javascript">
$(window).scroll(function()
{
if($(window).scrollTop() == $(document).height() - $(window).height())
{
$('div#loadmoreajaxloader').show();
$.ajax({
url: "loadmore.php",
success: function(html)
{
if(html)
{
$("#postswrapper").append(html);
$('div#loadmoreajaxloader').hide();
}else
{
$('div#loadmoreajaxloader').html('<center>No more posts to show. </center>');
}
}
});
}
});
</script>
$(文档).ready(函数(){
函数lastAddedLiveFunc()
{
$('div#lastposloader').html(“”);
$.get(“loadmore.php”,函数(数据){
如果(数据!=“”){
//console.log('adddata..');
$(“.items”)。追加(数据);
}
$('div#lastposloader').empty();
});
};
//lastAddedLiveFunc();
$(窗口)。滚动(函数(){
var wintop=$(窗口).scrollTop(),docheight=$(文档).height(),winheight=$(窗口).height();
var scrolltrigger=0.95;
如果((wintop/(winheight))>scrolltrigger){
//log(“滚动底部”);
lastAddedLiveFunc();
}
});
});
用法HTML:
<ul class="items">
<li>content</li>
<li>content</li>
...
</ul>
<div id="lastPostsLoader"></div>
<script type="text/javascript">
$(document).ready(function(){
function lastAddedLiveFunc()
{
$('div#lastPostsLoader').html('<img src="bigLoader.gif">');
$.get("loadmore.php", function(data){
if (data != "") {
//console.log('add data..');
$(".items").append(data);
}
$('div#lastPostsLoader').empty();
});
};
//lastAddedLiveFunc();
$(window).scroll(function(){
var wintop = $(window).scrollTop(), docheight = $(document).height(), winheight = $(window).height();
var scrolltrigger = 0.95;
if ((wintop/(docheight-winheight)) > scrolltrigger) {
//console.log('scroll bottom');
lastAddedLiveFunc();
}
});
});
<div id="postswrapper">
<div class="item">content</div>
...
<div id="loadmoreajaxloader" style="display:none;"><center><img src="ajax-loader.gif" /></center></div>
</div>
<script type="text/javascript">
$(window).scroll(function()
{
if($(window).scrollTop() == $(document).height() - $(window).height())
{
$('div#loadmoreajaxloader').show();
$.ajax({
url: "loadmore.php",
success: function(html)
{
if(html)
{
$("#postswrapper").append(html);
$('div#loadmoreajaxloader').hide();
}else
{
$('div#loadmoreajaxloader').html('<center>No more posts to show. </center>');
}
}
});
}
});
</script>
内容
...
用法jQuery:
<ul class="items">
<li>content</li>
<li>content</li>
...
</ul>
<div id="lastPostsLoader"></div>
<script type="text/javascript">
$(document).ready(function(){
function lastAddedLiveFunc()
{
$('div#lastPostsLoader').html('<img src="bigLoader.gif">');
$.get("loadmore.php", function(data){
if (data != "") {
//console.log('add data..');
$(".items").append(data);
}
$('div#lastPostsLoader').empty();
});
};
//lastAddedLiveFunc();
$(window).scroll(function(){
var wintop = $(window).scrollTop(), docheight = $(document).height(), winheight = $(window).height();
var scrolltrigger = 0.95;
if ((wintop/(docheight-winheight)) > scrolltrigger) {
//console.log('scroll bottom');
lastAddedLiveFunc();
}
});
});
<div id="postswrapper">
<div class="item">content</div>
...
<div id="loadmoreajaxloader" style="display:none;"><center><img src="ajax-loader.gif" /></center></div>
</div>
<script type="text/javascript">
$(window).scroll(function()
{
if($(window).scrollTop() == $(document).height() - $(window).height())
{
$('div#loadmoreajaxloader').show();
$.ajax({
url: "loadmore.php",
success: function(html)
{
if(html)
{
$("#postswrapper").append(html);
$('div#loadmoreajaxloader').hide();
}else
{
$('div#loadmoreajaxloader').html('<center>No more posts to show. </center>');
}
}
});
}
});
</script>
$(窗口)。滚动(函数()
{
if($(窗口).scrollTop()==$(文档).height()-$(窗口).height())
{
$('div#loadmoreajaxloader').show();
$.ajax({
url:“loadmore.php”,
成功:函数(html)
{
如果(html)
{
$(“#postswraper”).append(html);
$('div#loadmoreajaxloader').hide();
}否则
{
$('div#loadmoreajaxloader').html('不再显示帖子');
}
}
});
}
});