jquery、js上拉刷新下拉加载案例（基于iscroll.js）
可以在github上下载demo案例 链接地址
https://github.com/fongdaBoy/pullupPulldownDemo
html页面
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>iScroll 实例：下拉刷新，滚动翻页title> <link rel="stylesheet" href="css/videoPrefecture.css"> <style type="text/css" media="all"> body,ul,li { padding:0; margin:0; border:0; } body { font-size:12px; -webkit-user-select:none; -webkit-text-size-adjust:none; font-family:helvetica; } #header { position:absolute; top:0; left:0; width:100%; height:45px; line-height:45px; background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #fe96c9), color-stop(0.05, #d51875), color-stop(1, #7b0a2e)); background-image:-moz-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e); background-image:-o-linear-gradient(top, #fe96c9, #d51875 5%, #7b0a2e); padding:0; color:#eee; font-size:20px; text-align:center; } #header a { color:#f3f3f3; text-decoration:none; font-weight:bold; text-shadow:0 -1px 0 rgba(0,0,0,0.5); } #footer { position:absolute; bottom:0; left:0; width:100%; height:48px; background-image:-webkit-gradient(linear, 0 0, 0 100%, color-stop(0, #999), color-stop(0.02, #666), color-stop(1, #222)); background-image:-moz-linear-gradient(top, #999, #666 2%, #222); background-image:-o-linear-gradient(top, #999, #666 2%, #222); padding:0; border-top:1px solid #444; } #wrapper { position:absolute; z-index:1; top:45px; bottom:48px; left:0; width:100%; background:#555; overflow:auto; background: white; } #scroller { position:relative; /* -webkit-touch-callout:none;*/ -webkit-tap-highlight-color:rgba(0,0,0,0); float:left; width:100%; padding:0; } #scroller ul { position:relative; list-style:none; padding:0; margin:0; width:100%; text-align:left; } #scroller li { padding:0 10px; height:40px; line-height:40px; border-bottom:1px solid #ccc; border-top:1px solid #fff; background-color:#fafafa; font-size:14px; } #scroller li > a { display:block; } /** * * 下拉样式 Pull down styles * */ #pullDown, #pullUp { background:#fff; height:40px; line-height:40px; padding:5px 10px; border-bottom:1px solid #ccc; font-weight:bold; font-size:14px; color:#888; } #pullDown .pullDownIcon, #pullUp .pullUpIcon { display:block; float:left; width:40px; height:40px; /*background:url([email protected]) 0 0 no-repeat;*/ -webkit-background-size:40px 80px; background-size:40px 80px; -webkit-transition-property:-webkit-transform; -webkit-transition-duration:250ms; } #pullDown .pullDownIcon { -webkit-transform:rotate(0deg) translateZ(0); } #pullUp .pullUpIcon { -webkit-transform:rotate(-180deg) translateZ(0); } style> head> <body> <div id="wrapper"> <div id="scroller"> <div id="pullDown"> <span class="pullDownIcon">span><span class="pullDownLabel">下拉刷新...span> div> <ul id="thelist"> <div class="show_food_list"> <div class="show_img"> <img src="images/fd_banner.jpg" alt=""> div> <h4>东波四珍之一 ———— 东波肉2h4> <div class="show_data_list"> <div class="food_data"> <img src="images/dianzan.png" alt=""> <span>1233span> div> <div class="food_data"> <img src="images/dianzan.png" alt=""> <span>1233span> div> <div class="food_data"> <img src="images/dianzan.png" alt=""> <span>1233span> div> div> div> ul> <div id="pullUp"> <span class="pullUpIcon">span><span class="pullUpLabel">上拉加载更多...span> div> div> div> <script type="application/javascript" src="iscroll.js">script> <script type="application/javascript" src="js/jquery-1.8.3.min.js">script> <script type="application/javascript" src="js/mine.js">script> body> html>
js页面
var myScroll, pullDownEl, pullDownOffset, pullUpEl, pullUpOffset, generatedCount = 0; /** * 下拉刷新 （自定义实现此方法） * myScroll.refresh(); // 数据加载完成后，调用界面更新方法 */ var pullUpIndex = 0; // 设置初始值 （我设置了了pullUpIndex=3的时候不可以上拉加载） // 上拉重新加载页面 function pullDownAction () { // 这里写通过ajax 后台后台数据渲染到页面 setTimeout(function () { // <-- Simulate network congestion, remove setTimeout from production! var el, li, i; el = document.getElementById('thelist'); var result = ""; for (i=0; i<2; i++) { result += `` } pullUpIndex = 0; $('#thelist').html(result); pullUpEl.querySelector('.pullUpLabel').innerHTML = ''; myScroll.refresh(); //数据加载完成后，调用界面更新方法 Remember to refresh when contents are loaded (ie: on ajax completion) }, 1000); // <-- Simulate network congestion, remove setTimeout from production! } /** * 滚动翻页 （自定义实现此方法） * myScroll.refresh(); // 数据加载完成后，调用界面更新方法 */ // 上拉加载更多 function pullUpAction () { // 这里写通过ajax 后台后台数据渲染到页面 setTimeout(function () { // <-- Simulate network congestion, remove setTimeout from production! var el, li, i; el = document.getElementById('thelist'); var result = ""; for (i=0; i<4; i++) { result += `
东波四珍之一 ———— 东波肉2
1233
` } $("#thelist").append(result); myScroll.refresh(); // 数据加载完成后，调用界面更新方法 Remember to refresh when contents are loaded (ie: on ajax completion) }, 1000); // <-- Simulate network congestion, remove setTimeout from production! } /** * 初始化iScroll控件 */ function loaded() { pullDownEl = document.getElementById('pullDown'); pullDownOffset = pullDownEl.offsetHeight; pullUpEl = document.getElementById('pullUp'); pullUpOffset = pullUpEl.offsetHeight; myScroll = new iScroll('wrapper', { scrollbarClass: 'myScrollbar', /* 重要样式 */ useTransition: false, /* 此属性不知用意，本人从true改为false */ topOffset: pullDownOffset, // 拖动幅度比较小时候出发的方法 onRefresh: function () { if (pullDownEl.className.match('loading')) { pullDownEl.className = ''; pullDownEl.querySelector('.pullDownLabel').innerHTML = '下拉刷新...'; } else if (pullUpEl.className.match('loading')) { pullUpEl.className = ''; pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...'; } }, // 拖动距离比较大的出发的方法 onScrollMove: function () { if (this.y > 5 && !pullDownEl.className.match('flip')) { pullDownEl.className = 'flip'; pullDownEl.querySelector('.pullDownLabel').innerHTML = '松手开始更新...'; this.minScrollY = 0; } else if (this.y < 5 && pullDownEl.className.match('flip')) { pullDownEl.className = ''; pullDownEl.querySelector('.pullDownLabel').innerHTML = '下拉刷新...'; this.minScrollY = -pullDownOffset; } else if (this.y < (this.maxScrollY - 5) && !pullUpEl.className.match('flip')) { pullUpEl.className = 'flip'; pullUpEl.querySelector('.pullUpLabel').innerHTML = '松手开始更新...'; this.maxScrollY = this.maxScrollY; } else if (this.y > (this.maxScrollY + 5) && pullUpEl.className.match('flip')) { pullUpEl.className = ''; pullUpEl.querySelector('.pullUpLabel').innerHTML = '上拉加载更多...'; this.maxScrollY = pullUpOffset; } }, // 放手后的方法 onScrollEnd: function () { if (pullDownEl.className.match('flip')) { pullDownEl.className = 'loading'; pullDownEl.querySelector('.pullDownLabel').innerHTML = '加载中...'; pullDownAction(); // Execute custom function (ajax call?) } else if (pullUpEl.className.match('flip')) { pullUpIndex ++; console.log(pullUpIndex) pullUpEl.className = 'loading'; if(pullUpIndex < 3){ pullUpEl.querySelector('.pullUpLabel').innerHTML = '加载中...'; pullUpAction(); // Execute custom function (ajax call?) }else{ pullUpEl.querySelector('.pullUpLabel').innerHTML = '数据已全部加载完毕'; } } } }); setTimeout(function () { document.getElementById('wrapper').style.left = '0'; }, 800); } //初始化绑定iScroll控件 document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false); document.addEventListener('DOMContentLoaded', loaded, false);东波四珍之一 ———— 东波肉2