JQuery插件：iScroll
页面布局：
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<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"> <li> <img src="img/page1_img1.jpg" /> </li> <li> <img src="img/page1_img2.jpg" /> </li> <li> <img src="img/page1_img3.jpg" /> </li> <li> <img src="img/page1_img1.jpg" /> </li> <li> <img src="img/page1_img2.jpg" /> </li> <li> <img src="img/page1_img3.jpg" /> </li> </ul> <div id="pullUp"> <span class="pullUpIcon"></span><span class="pullUpLabel">上拉加载更多...</span> </div> </div> |
翻页，是通过ajax请求，把页码传入一般处理程序，在一般处理程序中获得分页后的数据返回json数组对象。
下拉刷新：
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/** * 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 */ function pullDownAction() { setTimeout(function () { var el, li, i; el = document.getElementById('thelist'); //========================================== $.ajax({ type: "GET", url: "LoadMore.ashx", data: { page: generatedCount }, dataType: "json", success: function (data) { var json = data; $(json).each(function () { li = document.createElement('li'); // li.innerText = 'Generated row ' + (++generatedCount); li.innerHTML = '<img src="' + this.src + '"/>'; el.insertBefore(li, el.childNodes[0]); }) } }); 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! } |
上拉加载更多
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function pullUpAction() { setTimeout(function () { var el, li, i; el = document.getElementById('thelist'); //========================================== $.ajax({ type: "GET", url: "LoadMore.ashx", data: { page: generatedCount }, dataType: "json", success: function (data) { var json = data; $(json).each(function () { li = document.createElement('li'); // li.innerText = 'Generated row ' + (++generatedCount); li.innerHTML = '<img src="' + this.src + '"/>; el.insertAfter(li, el.childNodes[0]); }) } }); //============================================ 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
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/** * 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, topOffset: pullDownOffset, 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...'; } }, 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; } }, 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')) { pullUpEl.className = 'loading'; pullUpEl.querySelector('.pullUpLabel').innerHTML = '加载中...'; pullUpAction(); // Execute custom function (ajax call?) } } }); 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); |