加载效果二：
页面html：
<!DOCTYPE html>
<html class="um landscape min-width-240px min-width-320px min-width-480px min-width-768px min-width-1024px">
<head>
<title>加载loding</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=0">
<meta name="format-detection" content="telephone=no">
<link rel="stylesheet" href="css/weui.min.css">
</head>
<body>
<!-- 1弹层 -->
<div id="loadingToast" class="weui_loading_toast">
<div class="weui_mask_transparent"></div>
<div class="weui_toast">
<div class="weui_loading">
<div class="weui_loading_leaf weui_loading_leaf_0"></div>
<div class="weui_loading_leaf weui_loading_leaf_1"></div>
<div class="weui_loading_leaf weui_loading_leaf_2"></div>
<div class="weui_loading_leaf weui_loading_leaf_3"></div>
<div class="weui_loading_leaf weui_loading_leaf_4"></div>
<div class="weui_loading_leaf weui_loading_leaf_5"></div>
<div class="weui_loading_leaf weui_loading_leaf_6"></div>
<div class="weui_loading_leaf weui_loading_leaf_7"></div>
<div class="weui_loading_leaf weui_loading_leaf_8"></div>
<div class="weui_loading_leaf weui_loading_leaf_9"></div>
<div class="weui_loading_leaf weui_loading_leaf_10"></div>
<div class="weui_loading_leaf weui_loading_leaf_11"></div>
</div>
<p class="weui_toast_content">数据加载中</p>
</div>
</div>
</body>
<script src="js/jquery.min.js"></script>
</html>
css样式：
weui.min.css 具体代码是
.weui_toast{position:fixed;z-index:3;94px;min-height:97px;top:180px;left:50%;margin-left:-47px;background:rgba(40,40,40,.75);text-align:center;border-radius:5px;color:#fff}.weui_icon_toast{margin:22px 0 0;display:block}.weui_icon_toast:before{content:'\EA08';color:#fff;font-size:55px}.weui_toast_content{margin:0 0 15px}.weui_loading_toast .weui_toast_content{margin-top:64%;font-size:14px}.weui_loading{position:absolute;0;z-index:5;left:50%;top:38%}.weui_loading_leaf{position:absolute;top:-1px;opacity:.25}.weui_loading_leaf:before{content:" ";position:absolute;8.14px;height:3.08px;background:#d1d1d5;box-shadow:rgba(0,0,0,.0980392) 0 0 1px;border-radius:1px;-webkit-transform-origin:left 50% 0;transform-origin:left 50% 0}.weui_loading_leaf_0{-webkit-animation:a 1.25s linear infinite;animation:a 1.25s linear infinite}.weui_loading_leaf_0:before{-webkit-transform:rotate(0deg) translate(7.92px);transform:rotate(0deg) translate(7.92px)}.weui_loading_leaf_1{-webkit-animation:b 1.25s linear infinite;animation:b 1.25s linear infinite}.weui_loading_leaf_1:before{-webkit-transform:rotate(30deg) translate(7.92px);transform:rotate(30deg) translate(7.92px)}.weui_loading_leaf_2{-webkit-animation:c 1.25s linear infinite;animation:c 1.25s linear infinite}.weui_loading_leaf_2:before{-webkit-transform:rotate(60deg) translate(7.92px);transform:rotate(60deg) translate(7.92px)}.weui_loading_leaf_3{-webkit-animation:d 1.25s linear infinite;animation:d 1.25s linear infinite}.weui_loading_leaf_3:before{-webkit-transform:rotate(90deg) translate(7.92px);transform:rotate(90deg) translate(7.92px)}.weui_loading_leaf_4{-webkit-animation:e 1.25s linear infinite;animation:e 1.25s linear infinite}.weui_loading_leaf_4:before{-webkit-transform:rotate(120deg) translate(7.92px);transform:rotate(120deg) translate(7.92px)}.weui_loading_leaf_5{-webkit-animation:f 1.25s linear infinite;animation:f 1.25s linear infinite}.weui_loading_leaf_5:before{-webkit-transform:rotate(150deg) translate(7.92px);transform:rotate(150deg) translate(7.92px)}.weui_loading_leaf_6{-webkit-animation:g 1.25s linear infinite;animation:g 1.25s linear infinite}.weui_loading_leaf_6:before{-webkit-transform:rotate(180deg) translate(7.92px);transform:rotate(180deg) translate(7.92px)}.weui_loading_leaf_7{-webkit-animation:h 1.25s linear infinite;animation:h 1.25s linear infinite}.weui_loading_leaf_7:before{-webkit-transform:rotate(210deg) translate(7.92px);transform:rotate(210deg) translate(7.92px)}.weui_loading_leaf_8{-webkit-animation:i 1.25s linear infinite;animation:i 1.25s linear infinite}.weui_loading_leaf_8:before{-webkit-transform:rotate(240deg) translate(7.92px);transform:rotate(240deg) translate(7.92px)}.weui_loading_leaf_9{-webkit-animation:j 1.25s linear infinite;animation:j 1.25s linear infinite}.weui_loading_leaf_9:before{-webkit-transform:rotate(270deg) translate(7.92px);transform:rotate(270deg) translate(7.92px)}.weui_loading_leaf_10{-webkit-animation:k 1.25s linear infinite;animation:k 1.25s linear infinite}.weui_loading_leaf_10:before{-webkit-transform:rotate(300deg) translate(7.92px);transform:rotate(300deg) translate(7.92px)}.weui_loading_leaf_11{-webkit-animation:l 1.25s linear infinite;animation:l 1.25s linear infinite}.weui_loading_leaf_11:before{-webkit-transform:rotate(330deg) translate(7.92px);transform:rotate(330deg) translate(7.92px)}@-webkit-keyframes a{0%,0.01%{opacity:.25}0.02%{opacity:1}60.01%,to{opacity:.25}}@-webkit-keyframes b{0%,8.34333%{opacity:.25}8.35333%{opacity:1}68.3433%,to{opacity:.25}}@-webkit-keyframes c{0%,16.6767%{opacity:.25}16.6867%{opacity:1}76.6767%,to{opacity:.25}}@-webkit-keyframes d{0%,25.01%{opacity:.25}25.02%{opacity:1}85.01%,to{opacity:.25}}@-webkit-keyframes e{0%,33.3433%{opacity:.25}33.3533%{opacity:1}93.3433%,to{opacity:.25}}@-webkit-keyframes f{0%{opacity:.270958333333333}41.6767%{opacity:.25}41.6867%{opacity:1}1.67667%{opacity:.25}to{opacity:.270958333333333}}@-webkit-keyframes g{0%{opacity:.375125}50.01%{opacity:.25}50.02%{opacity:1}10.01%{opacity:.25}to{opacity:.375125}}@-webkit-keyframes h{0%{opacity:.479291666666667}58.3433%{opacity:.25}58.3533%{opacity:1}18.3433%{opacity:.25}to{opacity:.479291666666667}}@-webkit-keyframes i{0%{opacity:.583458333333333}66.6767%{opacity:.25}66.6867%{opacity:1}26.6767%{opacity:.25}to{opacity:.583458333333333}}@-webkit-keyframes j{0%{opacity:.687625}75.01%{opacity:.25}75.02%{opacity:1}35.01%{opacity:.25}to{opacity:.687625}}@-webkit-keyframes k{0%{opacity:.791791666666667}83.3433%{opacity:.25}83.3533%{opacity:1}43.3433%{opacity:.25}to{opacity:.791791666666667}}@-webkit-keyframes l{0%{opacity:.895958333333333}91.6767%{opacity:.25}91.6867%{opacity:1}51.6767%{opacity:.25}to{opacity:.895958333333333}}
显示效果：
