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IScroll5实现下拉刷新上拉加载的功能实例

2024-05-06 15:13:10
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声明:虽然本文章为原创,但是很大部分参考了博客园博主MRxia的一篇iscroll的下拉刷新的实现方式,我个人把demo简化了一下。

实现效果:类似网易新闻加载新闻列表(好吧,我的只能算是基础版,如要添加动图或者css样式或者canvas效果请自行脑补)

外部引入js文件,必须是iscroll-probe.js,这点是很重要的,因为基础版的 iscroll.js 插件并不支持实例化的IScroll对象的on事件绑定,当然还是要引入jQuery简化一下开发

以下是全局的css样式,当然你也可以直接复制过去,前面的是默认的iscroll的demo的样式,后面的pulldown-tips样式是作为绝对定位,当用户下拉不超过40px时显示“下拉刷新”的提示,下拉刷新后会被隐藏起来

<style type="text/css"> * {   -webkit-box-sizing: border-box;   -moz-box-sizing: border-box;   box-sizing: border-box; }  html {   -ms-touch-action: none; }  body,ul,li {   padding: 0;   margin: 0;   border: 0; }  body {   font-size: 12px;   font-family: ubuntu, helvetica, arial;   overflow: hidden; /* this is important to prevent the whole page to bounce */ }  #header {   position: absolute;   z-index: 2;   top: 0;   left: 0;   width: 100%;   height: 45px;   line-height: 45px;   background: #CD235C;   padding: 0;   color: #eee;   font-size: 20px;   text-align: center;   font-weight: bold; }  #footer {   position: absolute;   z-index: 2;   bottom: 0;   left: 0;   width: 100%;   height: 48px;   background: #444;   padding: 0;   border-top: 1px solid #444; }  #wrapper {   position: absolute;   z-index: 1;   top: 45px;   bottom: 48px;   left: 0;   width: 100%;   background: #ccc;   overflow: hidden; }  #scroller {   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; }  #scroller ul {   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; } #pullDown,#pullUp,.pulldown-tips{   height:40px;   line-height:40px;   text-align:center; }   .pulldown-tips{     position:absolute;     top:-40px;     left:0;     width:100%;   }  </style> 

html结构在默认demo的基础上在scoller里面添加刷新/加载数据提示

<body onload="load()"> <div id="header">iScroll</div> <div id="wrapper">   <div id="scroller">   <div id="pullDown" class=""><div class="pullDownLabel"></div></div>     <div class="pulldown-tips">下拉刷新</div>     <ul id="list">       <li>Pretty row 1</li>       <li>Pretty row 2</li>       <li>Pretty row 3</li>       <li>Pretty row 4</li>       <li>Pretty row 5</li>       <li>Pretty row 6</li>       <li>Pretty row 7</li>       <li>Pretty row 8</li>       <li>Pretty row 9</li>       <li>Pretty row 10</li>       <li>Pretty row 11</li>       <li>Pretty row 12</li>       <li>Pretty row 13</li>       <li>Pretty row 14</li>       <li>Pretty row 15</li>       <li>Pretty row 16</li>       <li>Pretty row 17</li>       <li>Pretty row 18</li>       <li>Pretty row 19</li>       <li>Pretty row 20</li>     </ul>     <div id="pullUp" class="">     <div class="pullUpLabel">加载更多</div>     </div>   </div> </div>  <div id="footer"></div>  </body>             
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