微信JSSDK接口previewImage

<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>