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JS画廊图片库插件gallery.js

来源:易助科技网浏览量:23收藏

简介


gallery.js是独立的轻量级的JS图片轮播插件,仅仅128行代码,适合企业官网、海报宣传、精品专题等图片播放。


JS画廊图片库插件gallery.js-示例图




使用


1.  引入  gallery.js 文件


2.  HTML


< b >JavaScript Gallery Plugin</ b >
< template >
  < li >< img alt = "" loading = "lazy" ></ li >
</ template >


3.  调用


<script>
    var Gallery = {}; (function (Gallery) {
            Gallery.pc = function (config) { factory(config); }
            Gallery.mobile = function (config) {
                //do something,follow up!!
            }
            var wrapper, root, len, dotWrapper, dotTag, iwidth, awidth, height, dotWrapper, duration, index = 0, offset = 0, prev = 0;
            //selector,pc or mobile,dot tag,duration
            function factory(config) {
                wrapper = document.querySelector(config['selector']);

                //render image        
                create_img(config['data'], wrapper);
                root = wrapper.parentNode;
                len = count(wrapper);
                dotWrapper = wrapper.nextSibling;
                dotTag = config['dotTag'] || 'span';
                iwidth = root.offsetWidth;
                awidth = iwidth * len;
                height = root.offsetHeight;
                dotWrapper = wrapper.nextSibling;
                duration = config['duration'];

                //Render dot
                create_dot();

                //Interval
                intervalmove();

                //Event Listener
                mouseaction();
            }

            function create_img(imgs, wrapper) {
                var tag = '', str = '';
                for (i in imgs) {
                    tag = "<a href='%link%' target='%target%'><img src='%img%' width='100%' height='100%'></a>";
                    for (key in imgs[i]) {
                        regExp = new RegExp('(%' + key + '%)', 'g');
                        tag = tag.replace(regExp, imgs[i][key]);
                    }
                    str += tag;
                }
                wrapper.innerHTML = str;
            }

            function create_dot() {
                var span = "<span class='normal'></span>",
                    regExp = new RegExp('(span)', 'g'),
                    span = span.replace(regExp, dotTag),
                    dots = '';
                for (i = 0; i < len; i++) {
                    dots += span;
                }
                dotWrapper.innerHTML = dots;
            }

            function intervalmove(type) {
                if (type === 'alone') {
                    offset = index * iwidth;
                    move();
                } else {
                    dotWrapper.childNodes[index].className = 'active';
                    window.interval = setInterval(function () {
                        if ((index + 1) < len) {
                            offset = (index + 1) * iwidth;
                            prev = index;
                            index++;
                        } else {
                            prev = index;
                            offset = 0;
                            index = 0;
                        }
                        move();
                    }, duration);
                } function move() { dotWrapper.childNodes[prev].className = 'normal'; dotWrapper.childNodes[index].className = 'active'; wrapper.style.transition = "all 200ms linear 0ms"; wrapper.style.transform = "translate(" + (-offset) + "px,0px)"; }
            } function mouseaction() { function eventparse(obj, type, func) { if (document.attachEvent) { var events = { click: 'onclick', mouseover: 'onmouseover', mouseout: 'onmouseout' }; obj.attachEvent(events[type], func); } else { var events = { click: 'click', mouseover: 'mouseover', mouseout: 'mouseout' }; obj.addEventListener(events[type], func, false); } } function init() { eventparse(root, 'mouseover', function () { window.clearInterval(window.interval); }); eventparse(root, 'mouseout', function () { intervalmove(); }); for (i = 0; i < len; i++) { dotWrapper.childNodes[i].index = i; eventparse(dotWrapper.childNodes[i], 'click', function (e) { prev = index; index = e.target.index; intervalmove('alone'); }); } } init(); } function count() { return wrapper.childNodes.length; }
        })(Gallery);
  </script>



相关链接


官网地址 :  http://galleryproject.org/

GitHub 地址 :  https://github.com/topics/gallery-js-library