var $; String.prototype.format = function () { //字符串占位符 //eg: var str1 = "hello {0}".format("world"); if (arguments.length == 0) return this; var param = arguments[0]; var s = this; if (typeof (param) == 'object') { for (var key in param) { s = s.replace(new RegExp("\\{" + key + "\\}", "g"), param[key]); } return s; } else { for (var i = 0; i < arguments.length; i++) { s = s.replace(new RegExp("\\{" + i + "\\}", "g"), arguments[i]); } return s; } }; /** 元素是否处于父容器的可见区域不可见则移动到可见区域 */ function isEleInView(superEle, ele) { // if(){ // // } } layui.define(["element", "jquery"], function (exports) { var layui = parent.layui || layui; $ = layui.jquery; var element = layui.element, layer = layui.layer, okTab = function () { this.tabConfig = { openTabNum: 30, //最大可打开窗口数量默认30 tabFilter: "ok-tab", //添加窗口的filter url: "./data/navs.json" //获取菜单的接口地址 } }; /** * 导航初始化的操作(只执行一次) * @param option 配置tabConfig参数 * @returns {okTab} */ okTab.prototype.init = function (option) { var _this = this; //这个this就是代表okTab(因为prototype的原因) $.extend(true, _this.tabConfig, option); //函数用于将一个或多个对象的内容合并到目标对象。http://www.runoob.com/jquery/misc-extend.html this.tabDelete(); //关闭导航页的操作 this.tab(); //tab导航切换时的操作 return _this; }; /** * 定位tab位置 * @param superEle 父级元素 * @param ele 当前tab */ okTab.prototype.positionTab = function (superEle, ele) { superEle = $(superEle); ele = $(ele); var superWidth = superEle.width(),//父级元素宽度 subWidth = ele.outerWidth(),//当前元素宽度 elePrevAll = ele.prevAll(),//左边的所有同级元素 leftWidth = 0;//左边距离 for (var i = 0; i < elePrevAll.length; i++) { leftWidth += $(elePrevAll[i]).outerWidth() * 1; } if (leftWidth + subWidth > superWidth) { superEle.animate({ scrollLeft: leftWidth }, 200); } else { superEle.animate({ scrollLeft: 0 }, 200); } }; // 点击导航页的操作 okTab.prototype.tab = function () { var that = this; var filter = this.tabConfig.tabFilter; element.on(`tab(${filter})`, function (data) { var index = data.index;//点击的某个tab索引 var elSuper = $(".ok-tab"),//视窗元素 elMove = $(".ok-tab-title"),//移动的元素 elTabs = $(".ok-tab-title li"),//所有已存在的tab集合 thatElem = $(elTabs[index]);//当前元素 that.positionTab(elMove, thatElem); }); }; //删除tab页的操作(此处为点击关闭按钮的操作) okTab.prototype.tabDelete = function () { var that = this; var filter = this.tabConfig.tabFilter; element.on(`tabDelete(${filter})`, function (data) { // that.navMove("right"); }); }; //右侧内容nav操作添加tab页 okTab.prototype.tabAdd = function (_thisa) { var that = this; var _this = $(_thisa).clone(true);//拷贝dom(js: _this.cloneNode(true) ) var openTabNum = that.tabConfig.openTabNum; var tabFilter = that.tabConfig.tabFilter; var url = _this.attr("data-url");//选项卡的页面路径 var tabId = _this.attr("lay-id");//选项卡ID var thatTabNum = $('.ok-tab-title > li').length;//当前已经打开的选项卡的数量 var iframes = $(".ok-tab-content iframe"); var isClose = _this.attr('is-close') || "true"; _this.prepend(""); if (_this.children("i").length < 1) { _this.prepend(""); } if (_this.attr("target") == "_blank") { window.location.href = _this.attr("data-url"); } else if (url != undefined) { var title = ''; var html = _this.html(); // 去重复选项卡 /** * 这里还有一种情况就是同一选项卡页面路径不同(这个是多余的没必要了,页面不同,跳转的选项卡也应该新增) */ for (var i = 0; i < thatTabNum; i++) { if ($('.ok-tab-title > li').eq(i).attr('lay-id') == tabId) { var iframeParam = (iframes[i].src).split("?")[1]; var urlParam = url.split("?")[1]; if (urlParam == iframeParam) { element.tabChange(tabFilter, tabId); } else { //参数不一样的时候刷新并且更换参数 iframes[i].contentWindow.location.reload(true); iframes[i].src = url; element.tabChange(tabFilter, tabId); } if (event) { event.stopPropagation(); } return; } } if (thatTabNum >= openTabNum) { layer.msg('最多只能同时打开' + openTabNum + '个选项卡哦。不然系统会卡的!'); return; } element.tabAdd(tabFilter, { title: html , content: ` ` , id: tabId }); // 切换选项卡 element.tabChange(tabFilter, tabId); } }; //生成左侧菜单 var temp = ""; okTab.prototype.navBar = function (strData) { var data; if (typeof (strData) == "string") { var data = JSON.parse(strData); //有可能是字符串,转换一下 } else { data = strData; } var ulItem = ''; for (var i = 0; i < data.length; i++) { temp = ""; if (data[i].isCheck) { ulItem += '
  • '; } else if (data[i].spread) { ulItem += '
  • '; } else { ulItem += '
  • '; } createMenu(data[i], (i + 1).toString()); ulItem += temp; ulItem += '
  • '; } return ulItem; }; /** * 递归生成菜单 * @param data 数据 * @param tabID 设置lay-id使用 */ function createMenu(data, tabID) { if (data.children != undefined && data.children.length > 0) { temp += ''; if (data.icon != undefined && data.icon != '') { if (data.fontFamily && data.fontFamily.indexOf("layui-icon") < 0) { if (data.icon.indexOf("&#") >= 0) { temp += ('{1}').format(data.fontFamily, data.icon); } else { temp += ('').format(data.fontFamily, data.icon); } } else { temp += ('{1}').format(data.icon, data.icon); } } temp += '' + data.title + ''; temp += ''; temp += ''; temp += '
    '; for (var i = 0; i < data.children.length; i++) { temp += '
    '; var lay_id = tabID + "-" + (i + 1); createMenu(data.children[i], lay_id); temp += '
    '; } temp += "
    "; } else { var isClose = data.isClose === false ? "false" : "true"; if (data.target) { temp += ('').format(tabID, data.href, data.target, isClose); } else { temp += ('').format(tabID, data.href, isClose); } if (data.icon != undefined && data.icon != '') { if (data.fontFamily && data.fontFamily.indexOf("layui-icon") < 0) { if (data.icon.indexOf("&#") >= 0) { temp += ('{1}').format(data.fontFamily, data.icon); } else { temp += ('').format(data.fontFamily, data.icon); } } else { temp += ('{1}').format(data.icon, data.icon); } } temp += ('{0}').format(data.title); return; } } //重新对导航进行渲染(此处有个回调函数,主要用作渲染完成之后的操作) okTab.prototype.render = function (fun) { let _this = this;//data $.get(_this.tabConfig.url, function (data) { $("#navBar").html(_this.navBar(data)); element.render('nav'); $(window).resize(function () { $("#navBar").height($(window).height() - 245); }); if (typeof fun == "function") { fun(); } }); }; //刷新当前tab页 okTab.prototype.refresh = function (_this) { if (!($(_this).hasClass("refreshThis"))) { $(_this).addClass("refreshThis"); $(".ok-tab-content .layui-show").find("iframe")[0].contentWindow.location.reload(true); setTimeout(function () { $(_this).removeClass("refreshThis"); }, 2000) } else { layer.msg("客官请不要频繁点击哦!我会反应不过来的"); } }; /** * 关闭tab标签页操作 * @param num 默认为1 * 1:代表关闭当前标签页 * 2:代表关闭其他标签页 * 3:代表关闭所有标签页 */ okTab.prototype.tabClose = function (num = 1) { num = num * 1;//强制转换成数字 var that = this; let openTabs = $('.ok-tab-title > li strong[lay-id]').not('strong[is-close=false]'),//获取已打开的tab元素(除开不会被关闭的导航) thatLayID = $('.ok-tab-title > li.layui-this strong[lay-id]').not('strong[is-close=false]').attr("lay-id") || '';//获取当前打开的tab元素ID(除开不会被关闭的导航) var filter = that.tabConfig.tabFilter; if (thatLayID.length < 1 && num == 1) { layer.msg("您不能关闭当前页哦 (๑╹◡╹)ノ"); return; } else if (openTabs.length < 1) { layer.msg("您好!当前没有可关闭的窗口了 (๑╹◡╹)ノ"); return; } switch (num) { case 1: element.tabDelete(filter, thatLayID); break; case 2: if (openTabs.length > 0) { openTabs.each(function (i, j) { if ($(j).attr("lay-id") != thatLayID) { element.tabDelete(filter, $(j).attr("lay-id")); } }); } else { layer.msg("您好!当前没有可关闭的窗口了 (๑╹◡╹)ノ"); return; } break; case 3: openTabs.each(function (i, j) { element.tabDelete(filter, $(j).attr("lay-id")); }); break; } element.render("tab", filter); // this.navMove("right"); }; /** * 移动标签导航 * @param moveId * 为left:往左边移动 * 为right:往右边移动 * 为rightMax:跑到最右边 * 为leftMax:跑到最左边 */ okTab.prototype.navMove = function (moveId, that) { var superEle = $(".ok-tab-title"),//父级元素 contWidth = parseInt(superEle.width()),//可显示的宽度 elTabs = $(".ok-tab-title li"),//所有已存在的tab集合 moveWidth = 0,//移动元素的总宽度 postLeft = superEle.scrollLeft();//滚动条位置 elTabs.each(function (i, j) { moveWidth += $(j).outerWidth() * 1; }); var movePost = moveId.toLowerCase().indexOf("left") < 0 ? 1 : -1;//移动方向 var moveLeft = postLeft + parseInt((contWidth * 0.25 < 20 ? 20 : contWidth * 0.25) * movePost); if (moveWidth > contWidth) { switch (moveId) { case 'left': if (postLeft <= 0) { layer.tips('已到最左边啦', that, { tips: [1, '#000'], time: 2000 }) } break; case 'leftmax': if (postLeft <= 0) { layer.tips('已到最左边啦', that, { tips: [1, '#000'], time: 2000 }) } moveLeft = 0; break; case 'right': if (postLeft + contWidth >= moveWidth) { layer.tips('已到最右边啦', that, { tips: [1, '#000'], time: 2000 }); } break; case 'rightmax': if (postLeft + contWidth >= moveWidth) { layer.tips('已到最右边啦', that, { tips: [1, '#000'], time: 2000 }); } moveLeft = moveWidth; } superEle.animate({ scrollLeft: moveLeft }, 200); } }; exports("okTab", function (option) { return new okTab().init(option); }); });