我这里的思路是上拉时候只是加载第一页的内容，可根据实际情况修改其中的代码。请勿照搬。样式没怎么调，可以加载gif动画。
1.没有数据时候，下拉可以加载数据。
2.没有数据时候，点击也可以加载数据。
3.其余正常。 4.只要页面没有
<div id="pullDown">
<div class="pullDownLabel">正在加载中...</div>
</div> 这段代码就不会执行下拉加载数据。
//没有上拉时候用到的html
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<title>财务返费</title>
<link href="../css/base.css" rel="stylesheet" type="text/css">
<link href="../css/my.css" rel="stylesheet" type="text/css">
<script src="../js/jquery-1.11.1.min.js" type="text/javascript"></script><!--替换为zepto.js-->
<script type="text/javascript" src="../js/iscroll.js"></script>
<script type="text/javascript" src="../js/base.js"></script>
</head>
<body>
<header class="header bgno">
<div class="top">
<a href="javascript:history.back()" class="back"></a>
<h1 class="title">活动资金</h1>
</div>
<div class="mybox">
<div class="acinfo">
<div class="disbox">
<div class="info disbox-1">
<p class="f16">可提现金额(元)</p>
<p class="orange f18">0.00</p>
</div>
<span><i class="icon orange f36">m</i></span>
</div>
</div>
</div>
<nav class="navTop mgt10">
<ul>
<li class="selected">
<a href="#" class="nava"><div class="area">所有</div></a>
</li>
<li>
<a href="#" class="nava"><div class="area">收入</div></a>
</li>
<li>
<a href="#" class="nava"><div class="area">支出</div></a>
</li>
</ul>
</nav>
</header>
<section id="downwraper" class="normal bot0 top2 ">
<div id="downscroller">
<div class="ntot right"><p class="black">共 <var class="red">51</var> 条冻结资金</p></div>
<div id="datalist">
</div>
<div id="pullUp">
<div class="pullUpLabel">上拉显示更多...</div>
</div>
</div>
</section>
<div class="fixedbg"> </div>
<script>
var page_data_url = 'data-huodong.html';
var condition_str = '';
var page_count =5;
$(function(){
//加载
var loadlist = new Loadlist({'pageUrl':page_data_url,'pageCondition':condition_str,'pageCount':page_count});
loadlist.loaded();
});
</script>
</body>
</html> //上拉时候用到的html:
<section id="downwraper" class="nodeBottom bot0 bgfff">
<div id="downscroller">
<div id="pullDown">
<div class="pullDownLabel">正在加载中...</div>
</div>
<div id="out">
<div id="datalist">
</div>
</div>
<div id="pullUp">
<div class="pullUpLabel">正在加载中...</div>
</div>
</div>
</section>
<div class="fixedbg navfixed"> </div>
<script>
//上拉
var strStop = true;
var page_data_url = '/chinalao/wap/public/sgrab/indexlist';
var noDataUrl = '/chinalao/wap/public/sgrab/indexmore';
var condition_str = 'dG90YWxfY291bnQ9MCZjaXR5aWQ9NDIyNg%3D%3D';
var page_count = 1;
var current_page = 1; var loadlist = new Loadlist({'pageUrl':page_data_url,'pageCondition':condition_str,"pageNoUrl":noDataUrl,'pageCount':page_count,'stopDown':strStop,'callback':function(){
//判断有无数据时候调用
if($("#datalist").outerHeight()<=($(window).height()-120)){
$("#out").height($(window).height()-120);
loadlist._setOptionStopDown(true);
}else{
$("#out").css("height","auto");
loadlist._setOptionStopDown(false);
}
}});
loadlist.loaded();
</script>
//css
/*iscroll {*/
#wrapper,
#citywraper,
#selectwraper,
#telwraper,
#downwraper,
#aboutwraper,
#allwraper {
position: absolute;
z-index: 1;
top: 48px;
bottom: 67px;
left: 0;
width: 100%;
overflow: hidden;
}
#wrapper.normal,#downwraper.normal {top:90px;}
#downwraper.bot0,#wrapper.bot0,#aboutwraper.bot0 {bottom: 0;}
#downwraper.top372,#wrapper.top372 {top:372px;}
#downwraper.top250,#wrapper.top250 {top:250px;}
#downwraper.top276,#wrapper.top276 {top:276px;}
#downwraper.top348,#wrapper.top348 {top:348px;}
#downwraper.top {top:157px;}
#downwraper.top2 {top:183px;}
#allwraper {top:88px; bottom:116px; z-index:3000; background:#fff;}
#scroller,
#telscroller,
#selectscroller,
#cityscroller,
#downscroller,
#aboutscroller,
#allscroller {
position: absolute;
z-index: 1;
-webkit-tap-highlight-color: rgba(0,0,0,0);
width: 100%;
-webkit-transform: translateZ(0);
-moz-transform: translateZ(0);
-ms-transform: translateZ(0);
-o-transform: translateZ(0);
transform: translateZ(0);
-webkit-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
-webkit-text-size-adjust: none;
-moz-text-size-adjust: none;
-ms-text-size-adjust: none;
-o-text-size-adjust: none;
text-size-adjust: none;
}
/*}*/
//js:
;(function () {
var Loadlist = function(opt) {
var strScroll;
var pullUpEl, pullUpL;
var pullDownEl, pullDownL;
var loadingStep = 0;
var strHtml="";
var curpage = 1;
this.defaults = {
'pageUrl':"",
'pageCondition':"",
'pageNoUrl':"",
'pageCount':1,
'stopDown':false,
'callback':null
},
this.options = $.extend({}, this.defaults, opt);
this.stopDownMod = this.options.stopDown;
this.stopClick = false;
};
Loadlist.prototype = {
loaded: function() {
var pgCount=this.options.pageCount;
var _this = this;
pullDownEl = $('#pullDown');
pullDownL = pullDownEl.find('.pullDownLabel');
pullDownEl.attr('class','').hide(); pullUpEl = $('#pullUp');
pullUpL = pullUpEl.find('.pullUpLabel');
pullUpEl.attr('class','').hide();
strScroll = new IScroll('#downwraper', {
probeType: 2
});
//滚动时
strScroll.on('scroll', function(){
if(pullDownEl.length>0&&!pullDownEl.attr('class').match('flip|loading'&&loadingStep == 0) ){
if (this.y>5) {
//下拉刷新效果
pullDownEl.show();
pullDownEl.addClass('flip');
pullDownL.html('下拉显示更多...');
loadingStep = 1;
//下拉获取数据并改变条件
_this.getNoData(); //可删除 此为加载数据改变页面上的条件
//strScroll.refresh(); //修正跳动bug
}
}
if(loadingStep == 0&& !pullUpEl.attr('class').match('flip|loading')&&!_this.stopDownMod){
if (this.y < (this.maxScrollY - 5)) {
//上拉刷新效果
pullUpEl.show();
strScroll.refresh();
pullUpEl.addClass('flip');
if(pgCount>curpage){
pullUpL.html('上拉显示更多...');
}else{
pullUpL.html('已经是最后一页');
}
loadingStep = 1;
}
}
});
//滚动完毕
strScroll.on('scrollEnd',function(){
if(loadingStep == 1){
if(pullDownEl.length>0&&pullDownEl.attr('class').match('flip|loading')){
pullDownEl.removeClass('flip').addClass('loading');
pullDownL.html('正在加载...');
loadingStep = 2;
_this.pullDownAction();
}
if(pgCount>curpage){//如果当前页码小于总页数，即可执行翻页
if (pullUpEl.attr('class').match('flip|loading')) {
pullUpEl.removeClass('flip').addClass('loading');
pullUpL.html('正在加载...');
loadingStep = 2;
_this.pullUpAction();
}
}
} }); if(this.stopClick){
$("#downwraper").bind("click",function(){
_this.getData(1,true);
});
}
//第一次初始化数据
this.getData(1);
},
_getDataClick:function(){
this.getData(1,true);
},
_setOptionStopDown:function(ot){
this.stopDownMod = ot;
},
loadRefresh:function(){
strScroll.refresh();
},
pullDownAction:function(){
var _this = this;
setTimeout(function() {
_this.getData(1,true);
}, 1000);
},
pullUpAction:function(){
var _this = this;
setTimeout(function() {
_this.getData(curpage+1);
}, 1000);
},
pullDownGetData:function(){
pullDownEl.removeClass('loading');
pullDownL.html('下拉显示更多...');
pullDownEl['class'] = pullUpEl.attr('class');
pullDownEl.attr('class','').hide();
},
pullUpGetData:function(){
pullUpEl.removeClass('loading');
pullUpL.html('上拉显示更多...');
pullUpEl['class'] = pullUpEl.attr('class');
pullUpEl.attr('class','').hide();
},
getNoData:function(){
var _that = this;
$.ajax({
'url':_that.options.pageNoUrl,
'type':'GET',
'dataType':'json',
success:function(data){
if(data.status==1){
_that.options.pageCondition = data.condition_str;
$("#downwraper").unbind();
}else{
$("#downwraper").bind("click",function(){
_that.getData(1,true);
});
//$.AlertBox({title:'没有数据了'});
}
}
});
},
getData:function(pg,up){
var _that = this;
curpage = pg;
$.ajax({
'url':_that.options.pageUrl+'?str='+_that.options.pageCondition+'&page='+pg,
'type':'GET',
'dataType':'html',
'data':'',
beforeSend:function(){
if(curpage==1) {
$(".fixedbg").fadeIn(100);
$("#datalist").append("<div class='loading'></div>");
}
},
success:function(strHtml){
$('#datalist .loading').remove();
$(".fixedbg").fadeOut(100);
if(up){
$("#datalist").html(strHtml);
}else{
$("#datalist").append(strHtml);
}
_that.pullUpGetData();
_that.pullDownGetData();
loadingStep = 0;
if(typeof(_that.options.callback)=="function"){
_that.options.callback();
}
strScroll.refresh();
},
error:function(){ }
});
}
};
window.Loadlist = Loadlist;
}());