<div class="pics">

    <img src="http://pic1.ytqmx.com:82/2015/0409/01/15.jpg!960.jpg">

    <img src="http://pic1.ytqmx.com:82/2015/0409/01/10.jpg!960.jpg">

    <img src="http://pic1.ytqmx.com:82/2015/0409/01/17.jpg!960.jpg">

</p>

<script>

$(function(){

    var imgs = new Array();

    $('.pics img').each(function(){

        imgs.push($(this).attr('src'));

    });

    $('.pics img').click(function(){

        var nowImgurl = $(this).attr('src');

        WeixinJSBridge.invoke("imagePreview",{

            "urls":imgs,

            "current":nowImgurl

        });

    });

});

</script>