WebRoot/home.js

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layui.define(['element','layer'],function(exports){

    var $ = layui.$, $body = $('body'),
        element = layui.element,
        layer = layui.layer;

    var screen_size = {
        pc : [991, -1],
        pad : [768, 990],
        mobile : [0, 767]
    }

    var getDevice = function(){
        var width = $(window).width();
        for (var i in screen_size) {
            var sizes = screen_size[i],
                min = sizes[0],
                max = sizes[1];
            if(max == -1) max = width;
            if(min <= width && max >= width){
                return i;
            }
        }
        return null;
    }

    var isDevice = function(label){
        return getDevice() == label;
    }

    var isMobile = function(){
        return isDevice('mobile');
    }

    var Tab = function(el){
        this.el = el;
        this.urls = [];
    }

    Tab.prototype.content = function(src) {
        var iframe = document.createElement("iframe");
        iframe.setAttribute("frameborder", "0");
        iframe.setAttribute("src", src);
        iframe.setAttribute("data-id", this.urls.length);
        return iframe.outerHTML;
    };

    Tab.prototype.is = function(url) {
        return (this.urls.indexOf(url) !== -1)
    };

    Tab.prototype.add = function(title, url) {
        if(this.is(url)) return false;
        this.urls.push(url);
        element.tabAdd(this.el, {
            title : title
            ,content : this.content(url)
            ,id : url
        });
        this.change(url);