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仿微信底部自定义菜单 移动web

2016-01-12

最近在做微信开发,要实现微信公众号改版& 8212;-改成微官网形式,即移动web页面中实现公众号的主页面,包括了公众号的菜单在底部显示本文针对仿公众号底部菜单这个功能实现进行总结。实现采用html和css、JavaSc

最近在做微信开发,要实现微信公众号改版—-改成微官网形式,即移动web页面中实现公众号的主页面,包括了公众号的菜单在底部显示

本文针对仿公众号底部菜单这个功能实现进行总结。实现采用html和css、JavaScript。

html页面实现了布局方式:

<!DOCTYPE html">
<html>
<head>
<title>New Document</title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<link rel="stylesheet" type="text/css" href="menu.css" media="all">
</head>
<script>
    var nav4 = (function() {
        bindClick = function(els, mask) {
            if (!els || !els.length) {
                return;
            }
            var isMobile = "ontouchstart" in window;
            for ( var i = 0, ci; ci = els[i]; i++) {
                ci.addEventListener("click", evtFn, false);
            }

            function evtFn(evt, ci) {
                ci = this;
                for ( var j = 0, cj; cj = els[j]; j++) {
                    if (cj != ci) {
                        console.log(cj);
                        cj.classList.remove("on");
                    }
                }
                if (ci == mask) {
                    mask.classList.remove("on");
                    return;
                }
                switch (evt.type) {
                case "click":
                    var on = ci.classList.toggle("on");
                    mask.classList[on ? "add" : "remove"]("on");
                    break;
                }
            }
            mask.addEventListener(isMobile ? "touchstart" : "click", evtFn,
                    false);
        };
        return {
            "bindClick" : bindClick
        };
    })();
</script>
<body>
    <div class="bg">
        <img src="home-default17.jpg" width="100%" height="100%;">
    </div>
<div data-role="widget" data-widget="nav4" class="nav4">
            <nav>
                <div id="nav4_ul" class="nav_4">
                    <ul class="box">
                        <li>
                            <a href=""><span>我的卡通</span></a>
                        </li>
                        <li>
                            <a href=""><span>通通精彩</span></a>
                        </li>
                        <li>
                            <a href="javascript:;"><span>贴心服务</span></a>
                                                                    
                                
                            <dl>
                                <dt>
                                    <a href="http://3g.weimob.com"><span>贴心服务</span></a>
                                </dt>
                                <dt>
                                    <a href=""><span>网点查询</span></a>
                                </dt>
                                <dt>
                                    <a href="#"><span>集团服务</span></a>
                                </dt>
                                <dt>
                                    <a href=""><span>线路查询</span></a>
                                </dt>
                            
                            </dl>
                        </li>
                                                </ul>
                </div>
            </nav>
            <script type="text/javascript">
                nav4.bindClick(document.getElementById("nav4_ul").querySelectorAll("li>a"), document.getElementById("nav4_masklayer"));
            </script>
        </div>

</body>

</html>  

css实现控制样式和布局:

*{padding:0; margin:0;}
.bg {
position: absolute;
z-index: -1;
top: 0;
left: 0;
right: 0;
bottom: 0;
opacity: 0.8;
}
ul, ol, li, dl {
list-style-type: none;
}
.box {
width: 100%;
display: -webkit-box;
display: -moz-box;
-webkit-box-orient: horizontal;
-moz-box-orient: horizontal;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
}
.box > * {
-webkit-box-flex: 1;
-moz-box-flex: 1;
}
a:link, a:visited {
color: #575757;
text-decoration: none;
}
a {
text-decoration: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0.35);
}
a:link, a:visited {
color: #575757;
text-decoration: none;
}
a {
text-decoration: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0.35);
}

.nav4{
    height:45px;
}
.nav4 ul{
    position:fixed;
    z-index:200;
    bottom:0;
    left:0;
    width:100%
}
.nav4 li{
    border:1px solid rgba(190,190,190,1);
    height:45px;
    border-bottom:0;
    border-right:0;
    position:relative;
    -webkit-box-shadow:inset 0 0 3px #fff;
}
.nav4 li:nth-of-type(1){border-left;0;}
.nav4 li>a{
    font-size:15px;
    -webkit-box-sizing:border-box;
    box-sizing:border-box;
    /*border:1px solid #f9f8f9;*/
    -webkit-tap-highlight-color:rgba(0,0,0,0);
    border-bottom:0;
    display:block;
    line-height:45px;
    text-align:center;
    background:-webkit-gradient(linear, 0 0, 0 100%, from(#f1f1f1), to(#dcdcdc), color-stop(35% ,#ededed), color-stop(50%, #e3e3e3) );
}
.nav4 li>a:only-child span{
    background:none;
    padding-left:0;
}
.nav4 li>a.on + dl{
    display: block;
}
.nav4 li>a span{
    color: #4f4d4f;
    display: inline-block;
    padding-left: 15px;
    background: url(1.svg#2) no-repeat 4px 18px;
    -webkit-background-size: 9px auto;
    text-shadow:0px 1px 0px #ffffff;
}
/***********************/
.nav4 dl{
    display:none;
    position:absolute;
    z-index:220;
    bottom:60px;
    left:50%;
    width:100px;
    margin-left:-50px;
    background:red;
    /*min-height:100px;*/
    background:#e4e3e2;
    /*border:1px solid #afaeaf;*/
    border-radius:5px;
    -webkit-box-shadow:inset 0 0 3px #fff;
    background:url(2.svg#3) no-repeat center center;
    -webkit-background-size:100%;
    background-size:100%;
}
/*, .nav4 dl:after*/
.nav4 dl:before{
    content:"";
    display:inline-block;
    position:absolute;
    z-index:240;
    bottom:0;
    left:50%;
    /*width:0;
    height:0;
    border:8px solid red;
    border-color:#afaeaf transparent transparent transparent;
    margin-left:-8px;
    margin-bottom:-16px;*/
    width:10px;
    height:8px;
    background: url(1.svg#2) no-repeat center -55px;
    -webkit-background-size: 10px auto;
    bottom: -7px;
    margin-left: -5px;
}
/*.nav4 dl:after{
    z-index:241;
    border-color:#e4e3e2 transparent transparent transparent;
    margin-bottom:-15px;
}*/
.nav4 dl dd{
    line-height:45px;
    text-align:center;
    background:-webkit-gradient(linear, 0 0, 100% 0, from(rgba(194,194,194,0.8)), to(rgba(194,194,194,0.8)), color-stop(50%, rgba(194,194,194,0.8)));
    background-size:80% 1px;
    background-repeat:no-repeat;
    background-position: center bottom;
    /*background: url(3.svg#4) no-repeat center bottom;
    -webkit-background-size:100px 1px;*/
}
.nav4 dl dd:last-of-type{
    background:none;
}
.nav4 dl dd a{
    font-size: 15px;
    display:block;
    color:#4f4d4f;
    text-shadow:0px 1px 0px #ffffff;
    white-space: pre;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nav4 .masklayer_div{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 180;
    background: rgba(0,0,0,0);
}
.nav4 .masklayer_div.on{display: block;}


.nav_4 ul{
    list-style-type:none;
    margin:0px;
    padding:0;
}
.nav_4 ul li {
    border: 1px solid rgba(190,190,190,1);
    height: 45px;
    width:33%;
    border-bottom: 0;
    border-right: 0;
    position: relative;
    float:left;
    -webkit-box-shadow: inset 0 0 3px #fff;
}
.nav_4 dl {
    display: none;
    position: absolute;
    z-index: 220;
    bottom: 60px;
    left: 50%;
    width: 100px;
    margin-left: -50px;
    border-radius: 5px;    /* 圆角边框 */
}
.nav_4 dl dt{
    border:1px;
    line-height: 45px;
    text-align: center;
    background: -webkit-gradient(linear, 0 0, 100% 0, from(rgba(194,194,194,0.8)), to(rgba(194,194,194,0.8)), color-stop(50%, rgba(194,194,194,0.8)));
    background-size: 80% 1px;
    background-repeat: no-repeat;
    background-position: center bottom;
}
.nav_4 dl dt a{
    font-size: 15px;
    display: block;
    color: #4f4d4f;
    text-shadow: 0px 1px 0px #ffffff;
    white-space: pre;
    overflow: hidden;
    text-overflow: ellipsis;
} 

最后效果:

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