软件工具简介
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<head>
<title>滚动到页面顶部加载</title>
<script src="js/jquery-1.11.1.min.js" type="text/javascript"></script>
<script src="js/endlesspage.js" type="text/javascript"></script>
<style type="text/css">
.mainDiv {
width: 800px;
border: solid 1px #f00;
padding: 10px;
}
.item {
width: 600px;
height: 50px;
border: solid 1px #00ff90;
font-size: 12px;
margin: 10px;
}
.title {
font-size: 16px;
line-height: 20px;
}
.content {
line-height: 14px;
}
.alink
{
display:none;
}
.loaddiv
{
display:none;
}
</style>
</head>
<body>
<h1>滚动测试</h1>
<div class="mainDiv">
<!--<div class="item">
<div class="title">title</div>
<div class="content">content content content content content content content</div>
</div>
-->
</div>
<div class="loaddiv">
<img src="images/loading.gif" />
</div>
<div>
<a href="javascript:void(0);" id="btn_Page" class="alink">查看更多>>></a>
</div>
</body>
</html>
var gPageSize = 10;
var i = 1;
$(function () {
function getData(pagenumber) {
i++;
$.get("/ajax/Handler.ashx", { pagesize: gPageSize, pagenumber: pagenumber }, function (data) {
if (data.length > 0) {
var jsonObj = JSON.parse(data);
insertDiv(jsonObj);
}
});
$.ajax({
type: "post",
url: "/ajax/Handler.ashx",
data: { pagesize: gPageSize, pagenumber: pagenumber },
dataType: "json",
success: function (data) {
$(".loaddiv").hide();
if (data.length > 0) {
var jsonObj = JSON.parse(data);
insertDiv(jsonObj);
}
},
beforeSend: function () {
$(".loaddiv").show();
},
error: function () {
$(".loaddiv").hide();
}
});
}
getData(1);
function insertDiv(json) {
var $mainDiv = $(".mainDiv");
var html = '';
for (var i = 0; i < json.length; i++) {
html += '<div class="item">';
html += ' <div class="title">' + json[i].rowId + ' ' + json[i].D_Name + '</div>';
html += ' <div class="content">' + json[i].D_Name + ' ' + json[i].D_Password + '</div>';
html += '</div>';
}
$mainDiv.append(html);
}
var winH = $(window).height();
var scrollHandler = function () {
var pageH = $(document.body).height();
var scrollT = $(window).scrollTop();
var aa = (pageH - winH - scrollT) / winH;
if (aa < 0.02) {
if (i % 10 === 0) {
getData(i);
$(window).unbind('scroll');
$("#btn_Page").show();
} else {
getData(i);
$("#btn_Page").hide();
}
}
}
$(window).scroll(scrollHandler);
$("#btn_Page").click(function () {
getData(i);
$(window).scroll(scrollHandler);
});
});
软件下载
基于jquery实现页面滚动到底自动加载数据的功能
