看到有人对我做的WangEditor比较感兴趣，问了一些问题。但由于我并不常来，所以就没能及时答复，抱歉了。

未避免以后类似问题发生，我将我修改的wangeditor.js直接发在这里，有兴趣的可以下载后自己分析。希望能帮到需要的人。

扩展后的界面如下：

全部代码5525行。

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.wangEditor = factory());
}(this, (function () { 'use strict';
 
/*
    poly-fill
*/
 
var polyfill = function () {
 
    // Object.assign
    if (typeof Object.assign != 'function') {
        Object.assign = function (target, varArgs) {
            // .length of function is 2
            if (target == null) {
                // TypeError if undefined or null
                throw new TypeError('Cannot convert undefined or null to object');
            }
 
            var to = Object(target);
 
            for (var index = 1; index < arguments.length; index++) {
                var nextSource = arguments[index];
 
                if (nextSource != null) {
                    // Skip over if undefined or null
                    for (var nextKey in nextSource) {
                        // Avoid bugs when hasOwnProperty is shadowed
                        if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
                            to[nextKey] = nextSource[nextKey];
                        }
                    }
                }
            }
            return to;
        };
    }
 
    // IE 中兼容 Element.prototype.matches
    if (!Element.prototype.matches) {
        Element.prototype.matches = Element.prototype.matchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.msMatchesSelector || Element.prototype.oMatchesSelector || Element.prototype.webkitMatchesSelector || function (s) {
            var matches = (this.document || this.ownerDocument).querySelectorAll(s),
                i = matches.length;
            while (--i >= 0 && matches.item(i) !== this) {}
            return i > -1;
        };
    }
};
 
/*
    DOM 操作 API
*/
 
// 根据 html 代码片段创建 dom 对象
function createElemByHTML(html) {
    var div = void 0;
    div = document.createElement('div');
    div.innerHTML = html;
    return div.children;
}
 
// 是否是 DOM List
function isDOMList(selector) {
    if (!selector) {
        return false;
    }
    if (selector instanceof HTMLCollection || selector instanceof NodeList) {
        return true;
    }
    return false;
}
 
// 封装 document.querySelectorAll
function querySelectorAll(selector) {
    var result = document.querySelectorAll(selector);
    if (isDOMList(result)) {
        return result;
    } else {
        return [result];
    }
}
 
// 记录所有的事件绑定
var eventList = [];
 
// 创建构造函数
function DomElement(selector) {
    if (!selector) {
        return;
    }
 
    // selector 本来就是 DomElement 对象，直接返回
    if (selector instanceof DomElement) {
        return selector;
    }
 
    this.selector = selector;
    var nodeType = selector.nodeType;
 
    // 根据 selector 得出的结果（如 DOM，DOM List）
    var selectorResult = [];
    if (nodeType === 9) {
        // document 节点
        selectorResult = [selector];
    } else if (nodeType === 1) {
        // 单个 DOM 节点
        selectorResult = [selector];
    } else if (isDOMList(selector) || selector instanceof Array) {
        // DOM List 或者数组
        selectorResult = selector;
    } else if (typeof selector === 'string') {
        // 字符串
        selector = selector.replace('/\n/mg', '').trim();
        if (selector.indexOf('<') === 0) {
            // 如 
            selectorResult = createElemByHTML(selector);
        } else {
            // 如 #id .class
            selectorResult = querySelectorAll(selector);
        }
    }
 
    var length = selectorResult.length;
    if (!length) {
        // 空数组
        return this;
    }
 
    // 加入 DOM 节点
    var i = void 0;
    for (i = 0; i < length; i++) {
        this[i] = selectorResult[i];
    }
    this.length = length;
}
 
// 修改原型
DomElement.prototype = {
    constructor: DomElement,
 
    // 类数组，forEach
    forEach: function forEach(fn) {
        var i = void 0;
        for (i = 0; i < this.length; i++) {
            var elem = this[i];
            var result = fn.call(elem, elem, i);
            if (result === false) {
                break;
            }
        }
        return this;
    },
 
    // clone
    clone: function clone(deep) {
        var cloneList = [];
        this.forEach(function (elem) {
            cloneList.push(elem.cloneNode(!!deep));
        });
        return $(cloneList);
    },
 
    // 获取第几个元素
    get: function get(index) {
        var length = this.length;
        if (index >= length) {
            index = index % length;
        }
        return $(this[index]);
    },
 
    // 第一个
    first: function first() {
        return this.get(0);
    },
 
    // 最后一个
    last: function last() {
        var length = this.length;
        return this.get(length - 1);
    },
 
    // 绑定事件
    on: function on(type, selector, fn) {
        // selector 不为空，证明绑定事件要加代理
        if (!fn) {
            fn = selector;
            selector = null;
        }
 
        // type 是否有多个
        var types = [];
        types = type.split(/\s+/);
 
        return this.forEach(function (elem) {
            types.forEach(function (type) {
                if (!type) {
                    return;
                }
 
                // 记录下，方便后面解绑
                eventList.push({
                    elem: elem,
                    type: type,
                    fn: fn
                });
 
                if (!selector) {
                    // 无代理
                    elem.addEventListener(type, fn);
                    return;
                }
 
                // 有代理
                elem.addEventListener(type, function (e) {
                    var target = e.target;
                    if (target.matches(selector)) {
                        fn.call(target, e);
                    }
                });
            });
        });
    },
 
    // 取消事件绑定
    off: function off(type, fn) {
        return this.forEach(function (elem) {
            elem.removeEventListener(type, fn);
        });
    },
 
    // 获取/设置 属性
    attr: function attr(key, val) {
        if (val == null) {
            // 获取值
            return this[0].getAttribute(key);
        } else {
            // 设置值
            return this.forEach(function (elem) {
                elem.setAttribute(key, val);
            });
        }
    },
 
    // 添加 class
    addClass: function addClass(className) {
        if (!className) {
            return this;
        }
        return this.forEach(function (elem) {
            var arr = void 0;
            if (elem.className) {
                // 解析当前 className 转换为数组
                arr = elem.className.split(/\s/);
                arr = arr.filter(function (item) {
                    return !!item.trim();
                });
                // 添加 class
                if (arr.indexOf(className) < 0) {
                    arr.push(className);
                }
                // 修改 elem.class
                elem.className = arr.join(' ');
            } else {
                elem.className = className;
            }
        });
    },
 
    // 删除 class
    removeClass: function removeClass(className) {
        if (!className) {
            return this;
        }
        return this.forEach(function (elem) {
            var arr = void 0;
            if (elem.className) {
                // 解析当前 className 转换为数组
                arr = elem.className.split(/\s/);
                arr = arr.filter(function (item) {
                    item = item.trim();
                    // 删除 class
                    if (!item || item === className) {
                        return false;
                    }
                    return true;
                });
                // 修改 elem.class
                elem.className = arr.join(' ');
            }
        });
    },
 
    // 修改 css
    css: function css(key, val) {
        var currentStyle = key + ':' + val + ';';
        return this.forEach(function (elem) {
            var style = (elem.getAttribute('style') || '').trim();
            var styleArr = void 0,
                resultArr = [];
            if (style) {
                // 将 style 按照 ; 拆分为数组
                styleArr = style.split(';');
                styleArr.forEach(function (item) {
                    // 对每项样式，按照 : 拆分为 key 和 value
                    var arr = item.split(':').map(function (i) {
                        return i.trim();
                    });
                    if (arr.length === 2) {
                        resultArr.push(arr[0] + ':' + arr[1]);
                    }
                });
                // 替换或者新增
                resultArr = resultArr.map(function (item) {
                    if (item.indexOf(key) === 0) {
                        return currentStyle;
                    } else {
                        return item;
                    }
                });
                if (resultArr.indexOf(currentStyle) < 0) {
                    resultArr.push(currentStyle);
                }
                // 结果
                elem.setAttribute('style', resultArr.join('; '));
            } else {
                // style 无值
                elem.setAttribute('style', currentStyle);
            }
        });
    },
 
    // 显示
    show: function show() {
        return this.css('display', 'block');
    },
 
    // 隐藏
    hide: function hide() {
        return this.css('display', 'none');
    },
 
    // 获取子节点
    children: function children() {
        var elem = this[0];
        if (!elem) {
            return null;
        }
 
        return $(elem.children);
    },
 
    // 获取子节点（包括文本节点）
    childNodes: function childNodes() {
        var elem = this[0];
        if (!elem) {
            return null;
        }
 
        return $(elem.childNodes);
    },
 
    // 增加子节点
    append: function append($children) {
        return this.forEach(function (elem) {
            $children.forEach(function (child) {
                elem.appendChild(child);
            });
        });
    },
 
    // 移除当前节点
    remove: function remove() {
        return this.forEach(function (elem) {
            if (elem.remove) {
                elem.remove();
            } else {
                var parent = elem.parentElement;
                parent && parent.removeChild(elem);
            }
        });
    },
 
    // 是否包含某个子节点
    isContain: function isContain($child) {
        var elem = this[0];
        var child = $child[0];
        return elem.contains(child);
    },
 
    // 尺寸数据
    getSizeData: function getSizeData() {
        var elem = this[0];
        return elem.getBoundingClientRect(); // 可得到 bottom height left right top width 的数据
    },
 
    // 封装 nodeName
    getNodeName: function getNodeName() {
        var elem = this[0];
        return elem.nodeName;
    },
 
    // 从当前元素查找
    find: function find(selector) {
        var elem = this[0];
        return $(elem.querySelectorAll(selector));
    },
 
    // 获取当前元素的 text
    text: function text(val) {
        if (!val) {
            // 获取 text
            var elem = this[0];
            return elem.innerHTML.replace(/<.*?>/g, function () {
                return '';
            });
        } else {
            // 设置 text
            return this.forEach(function (elem) {
                elem.innerHTML = val;
            });
        }
    },
 
    // 获取 html
    html: function html(value) {
        var elem = this[0];
        if (value == null) {
            return elem.innerHTML;
        } else {
            elem.innerHTML = value;
            return this;
        }
    },
 
    // 获取 value
    val: function val() {
        var elem = this[0];
        return elem.value.trim();
    },
 
    // focus
    focus: function focus() {
        return this.forEach(function (elem) {
            elem.focus();
        });
    },
 
    // parent
    parent: function parent() {
        var elem = this[0];
        return $(elem.parentElement);
    },
 
    // parentUntil 找到符合 selector 的父节点
    parentUntil: function parentUntil(selector, _currentElem) {
        var results = document.querySelectorAll(selector);
        var length = results.length;
        if (!length) {
            // 传入的 selector 无效
            return null;
        }
 
        var elem = _currentElem || this[0];
        if (elem.nodeName === 'BODY') {
            return null;
        }
 
        var parent = elem.parentElement;
        var i = void 0;
        for (i = 0; i < length; i++) {
            if (parent === results[i]) {
                // 找到，并返回
                return $(parent);
            }
        }
 
        // 继续查找
        return this.parentUntil(selector, parent);
    },
 
    // 判断两个 elem 是否相等
    equal: function equal($elem) {
        if ($elem.nodeType === 1) {
            return this[0] === $elem;
        } else {
            return this[0] === $elem[0];
        }
    },
 
    // 将该元素插入到某个元素前面
    insertBefore: function insertBefore(selector) {
        var $referenceNode = $(selector);
        var referenceNode = $referenceNode[0];
        if (!referenceNode) {
            return this;
        }
        return this.forEach(function (elem) {
            var parent = referenceNode.parentNode;
            parent.insertBefore(elem, referenceNode);
        });
    },
 
    // 将该元素插入到某个元素后面
    insertAfter: function insertAfter(selector) {
        var $referenceNode = $(selector);
        var referenceNode = $referenceNode[0];
        if (!referenceNode) {
            return this;
        }
        return this.forEach(function (elem) {
            var parent = referenceNode.parentNode;
            if (parent.lastChild === referenceNode) {
                // 最后一个元素
                parent.appendChild(elem);
            } else {
                // 不是最后一个元素
                parent.insertBefore(elem, referenceNode.nextSibling);
            }
        });
    }
};
 
// new 一个对象
function $(selector) {
    return new DomElement(selector);
}
 
// 解绑所有事件，用于销毁编辑器
$.offAll = function () {
    eventList.forEach(function (item) {
        var elem = item.elem;
        var type = item.type;
        var fn = item.fn;
        // 解绑
        elem.removeEventListener(type, fn);
    });
};
 
/*
    配置信息
*/
 
var config = {
 
    // 默认菜单配置 （： 修改菜单顺序）
    menus: [ 'bold','italic', 'underline', 'underdot', 'strikeThrough','Sup','Sub','Middle','HRline', 'head', 'fontSize', 'fontName',  'foreColor', 'backColor', 
    'list', 'justify',  'emoticon', 'image', 'table','mathsymbol', 'Latex', 'Bracket','Fraction','Sqrt','Answer','Folder', 'link', 'video','undo', 'redo',
	 'a01', 'a02', 'a03', 'a04', 'a05', 'a06', 'a07', 'a08', 'a09', 'a10', 'a11','a12','a13','a14','a15','a16','a17','a18','a19','a20','a21','a22','a23','a24'],
 
    fontNames: ['宋体', '微软雅黑', 'Arial', 'Tahoma', 'Verdana'],
 
    colors: ['#000000', '#666666','#cccccc','#ffffff' ,  '#ff0000', '#ff7e72', '#005500', '#00ff00', '#00007f', '#0000ff', '#ffff00', '#aa007f'],
 
    // // 语言配置
    // lang: {
    //     '设置标题': 'title',
    //     '正文': 'p',
    //     '链接文字': 'link text',
    //     '链接': 'link',
    //     '插入': 'insert',
    //     '创建': 'init'
    // },
 
    // 表情
    emotions: [{
        title: '数学',
        type: 'image',
        content: [ //文件名对应的图像不能改变！！！！！！！！！！
            {"src": "/static/png/math/01.png","alt": "1/2",},
            {"src": "/static/png/math/10.png","alt": "√2",},
            {"src": "/static/png/math/11.png","alt": "√3",},
            {"src": "/static/png/math/12.png","alt": "√5",},
            {"src": "/static/png/math/13.png","alt": "√6",},
            {"src": "/static/png/math/14.png","alt": "求根公式",},
            {"src": "/static/svg/1_2.svg","alt": "1/2",},
		]
        },{
            title: 'emoji',
            type: 'emoji',
            content: '😀 😃 😄 😁 😆 😅 😂 😊 😇 🙂 🙃 😉 😓 😪 😴 🙄 🤔 😬 🤐'.split(/\s/)
        },{
            title: '动图',
            type: 'image',
            content: [
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/0.gif', alt: '[微笑]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/1.gif', alt: '[撇嘴]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/2.gif', alt: '[色]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/3.gif', alt: '[发呆]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/4.gif', alt: '[得意]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/5.gif', alt: '[流泪]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/6.gif', alt: '[害羞]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/7.gif', alt: '[闭嘴]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/8.gif', alt: '[睡]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/9.gif', alt: '[大哭]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/10.gif', alt: '[尴尬]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/11.gif', alt: '[发怒]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/12.gif', alt: '[调皮]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/13.gif', alt: '[呲牙]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/14.gif', alt: '[惊讶]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/15.gif', alt: '[难过]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/16.gif', alt: '[酷]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/17.gif', alt: '[冷汗]' },
        	    { src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/18.gif', alt: '[抓狂]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/19.gif', alt: '[吐]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/20.gif', alt: '[偷笑]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/21.gif', alt: '[愉快]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/22.gif', alt: '[白眼]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/23.gif', alt: '[傲慢]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/24.gif', alt: '[饥饿]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/25.gif', alt: '[困]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/26.gif', alt: '[惊恐]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/27.gif', alt: '[流汗]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/28.gif', alt: '[憨笑]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/29.gif', alt: '[悠闲]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/30.gif', alt: '[奋斗]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/31.gif', alt: '[咒骂]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/32.gif', alt: '[疑问]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/33.gif', alt: '[嘘]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/34.gif', alt: '[晕]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/35.gif', alt: '[疯了]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/36.gif', alt: '[衰]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/37.gif', alt: '[骷髅]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/38.gif', alt: '[敲打]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/39.gif', alt: '[再见]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/40.gif', alt: '[擦汗]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/41.gif', alt: '[抠鼻]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/42.gif', alt: '[鼓掌]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/43.gif', alt: '[糗大了]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/44.gif', alt: '[坏笔]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/45.gif', alt: '[左哼哼]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/46.gif', alt: '[右哼哼]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/47.gif', alt: '[哈欠]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/48.gif', alt: '[鄙视]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/49.gif', alt: '[委屈]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/50.gif', alt: '[快哭了]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/51.gif', alt: '[阴险]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/52.gif', alt: '[亲亲]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/53.gif', alt: '[吓]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/54.gif', alt: '[可怜]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/55.gif', alt: '[菜刀]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/56.gif', alt: '[西瓜]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/57.gif', alt: '[啤酒]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/58.gif', alt: '[篮球]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/59.gif', alt: '[乒乓]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/60.gif', alt: '[咖啡]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/61.gif', alt: '[饭]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/62.gif', alt: '[猪头]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/63.gif', alt: '[玫瑰]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/64.gif', alt: '[凋谢]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/65.gif', alt: '[嘴唇]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/66.gif', alt: '[爱心]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/67.gif', alt: '[心碎]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/68.gif', alt: '[蛋糕]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/69.gif', alt: '[闪电]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/70.gif', alt: '[炸弹]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/71.gif', alt: '[刀]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/72.gif', alt: '[足球]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/73.gif', alt: '[瓢虫]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/74.gif', alt: '[便便]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/75.gif', alt: '[月亮]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/76.gif', alt: '[太阳]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/77.gif', alt: '[礼物]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/78.gif', alt: '[拥抱]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/79.gif', alt: '[强]' },	
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/80.gif', alt: '[弱]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/81.gif', alt: '[握手]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/82.gif', alt: '[胜利]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/83.gif', alt: '[抱拳]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/84.gif', alt: '[勾引]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/85.gif', alt: '[拳头]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/86.gif', alt: '[差劲]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/87.gif', alt: '[爱你]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/88.gif', alt: '[NO]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/89.gif', alt: '[OK]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/90.gif', alt: '[爱情]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/91.gif', alt: '[飞吻]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/92.gif', alt: '[跳跳]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/93.gif', alt: '[发抖]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/94.gif', alt: '[怄火]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/95.gif', alt: '[转圈]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/96.gif', alt: '[磕头]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/97.gif', alt: '[回头]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/98.gif', alt: '[跳绳]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/99.gif', alt: '[投降]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/100.gif', alt: '[激动]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/101.gif', alt: '[乱舞]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/102.gif', alt: '[献吻]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/103.gif', alt: '[左太极]' },
        		{ src: 'https://res.wx.qq.com/mpres/htmledition/images/icon/emotion/104.gif', alt: '[右太极]' },
        ]
        },{
            title: '静图',
            type: 'image',
            content: [
            		{"src": "/static/png/2018new_weixioa02_org.png","alt": "[微笑]",}, 
                    {"src": "/static/png/2018new_keai_org.png","alt": "[可爱]",}, 
                    {"src": "/static/png/2018new_taikaixin_org.png","alt": "[太开心]",}, 
            		{"src": "/static/png/2018new_guzhang_org.png","alt": "[鼓掌]",}, 
            		{"src": "/static/png/2018new_xixi_org.png","alt": "[嘻嘻]",}, 
            		{"src": "/static/png/2018new_haha_org.png","alt": "[哈哈]",}, 
            		{"src": "/static/png/2018new_xiaoku_thumb.png","alt": "[笑cry]",}, 
            		{"src": "/static/png/2018new_jiyan_org.png","alt": "[挤眼]",}, 
            		{"src": "/static/png/2018new_chanzui_org.png","alt": "[馋嘴]",}, 
            		{"src": "/static/png/2018new_heixian_org.png","alt": "[黑线]",}, 
            		{"src": "/static/png/2018new_han_org.png","alt": "[汗]",}, 
            		{"src": "/static/png/2018new_wabi_thumb.png","alt": "[挖鼻]",}, 
            		{"src": "/static/png/2018new_heng_org.png","alt": "[哼]",}, 
            		{"src": "/static/png/2018new_nu_org.png","alt": "[怒]",}, 
            		{"src": "/static/png/2018new_weiqu_org.png","alt": "[委屈]",}, 
            		{"src": "/static/png/2018new_kelian_org.png","alt": "[可怜]",}, 
            		{"src": "/static/png/2018new_shiwang_org.png","alt": "[失望]",}, 
            		{"src": "/static/png/2018new_beishang_org.png","alt": "[悲伤]",}, 
            		{"src": "/static/png/2018new_leimu_org.png","alt": "[泪]",}, 
            		{"src": "/static/png/2018new_kuxiao_org.png","value": "[允悲]",}, 
            		{"src": "/static/png/2018new_haixiu_org.png","alt": "[害羞]",}, 
            		{"src": "/static/png/2018new_wu_org.png","alt": "[污]",}, 
            		{"src": "/static/png/2018new_aini_org.png","alt": "[爱你]",}, 
            		{"src": "https://math.now.sh?from=\log\prod^N_{i}x_{i}=\sum^N_i\log{x_i}","alt": "[API公式]",}
            ]
         },
	],
 
    // 编辑区域的 z-index
    zIndex: 10000,
 
    // 是否开启 debug 模式（debug 模式下错误会 throw error 形式抛出）
    debug: false,
 
    // 插入链接时候的格式校验
    linkCheck: function linkCheck(text, link) {
        // text 是插入的文字
        // link 是插入的链接
        return true; // 返回 true 即表示成功
        // return '校验失败' // 返回字符串即表示失败的提示信息
    },
 
    // 插入网络图片的校验
    linkImgCheck: function linkImgCheck(src) {
        // src 即图片的地址
        return true; // 返回 true 即表示成功
        // return '校验失败'  // 返回字符串即表示失败的提示信息
    },
 
    // 粘贴过滤样式，默认开启
    pasteFilterStyle: true,
 
    // 粘贴内容时，忽略图片。默认关闭
    pasteIgnoreImg: false,
 
    // 对粘贴的文字进行自定义处理，返回处理后的结果。编辑器会将处理后的结果粘贴到编辑区域中。
    // IE 暂时不支持
    pasteTextHandle: function pasteTextHandle(content) {
        // content 即粘贴过来的内容（html 或 纯文本），可进行自定义处理然后返回
        return content;
    },
 
    // onchange 事件
    // onchange: function (html) {
    //     // html 即变化之后的内容
    //     console.log(html)
    // },
 
    // 是否显示添加网络图片的 tab
    showLinkImg: true,
 
    // 插入网络图片的回调
    linkImgCallback: function linkImgCallback(url) {
        // console.log(url)  // url 即插入图片的地址
    },
 
    // 默认上传图片 max size: 5M
    uploadImgMaxSize: 5 * 1024 * 1024,
 
    // 配置一次最多上传几个图片
    // uploadImgMaxLength: 5,
 
    // 上传图片，是否显示 base64 格式
    uploadImgShowBase64: true,
 
    // 上传图片，server 地址（如果有值，则 base64 格式的配置则失效）
    // uploadImgServer: '/upload',
 
    // 自定义配置 filename
    uploadFileName: '',
 
    // 上传图片的自定义参数
    uploadImgParams: {
        // token: 'abcdef12345'
    },
 
    // 上传图片的自定义header
    uploadImgHeaders: {
        // 'Accept': 'text/x-json'
    },
 
    // 配置 XHR withCredentials
    withCredentials: false,
 
    // 自定义上传图片超时时间 ms
    uploadImgTimeout: 10000,
 
    // 上传图片 hook 
    uploadImgHooks: {
        // customInsert: function (insertLinkImg, result, editor) {
        //     console.log('customInsert')
        //     // 图片上传并返回结果，自定义插入图片的事件，而不是编辑器自动插入图片
        //     const data = result.data1 || []
        //     data.forEach(link => {
        //         insertLinkImg(link)
        //     })
        // },
        before: function before(xhr, editor, files) {
            // 图片上传之前触发
 
            // 如果返回的结果是 {prevent: true, msg: 'xxxx'} 则表示用户放弃上传
            // return {
            //     prevent: true,
            //     msg: '放弃上传'
            // }
        },
        success: function success(xhr, editor, result) {
            // 图片上传并返回结果，图片插入成功之后触发
        },
        fail: function fail(xhr, editor, result) {
            // 图片上传并返回结果，但图片插入错误时触发
        },
        error: function error(xhr, editor) {
            // 图片上传出错时触发
        },
        timeout: function timeout(xhr, editor) {
            // 图片上传超时时触发
        }
    },
 
    // 是否上传七牛云，默认为 false
    qiniu: false
 
};
 
/*
    工具
*/
 
// 和 UA 相关的属性
var UA = {
    _ua: navigator.userAgent,
 
    // 是否 webkit
    isWebkit: function isWebkit() {
        var reg = /webkit/i;
        return reg.test(this._ua);
    },
 
    // 是否 IE
    isIE: function isIE() {
        return 'ActiveXObject' in window;
    }
};
 
// 遍历对象
function objForEach(obj, fn) {
    var key = void 0,
        result = void 0;
    for (key in obj) {
        if (obj.hasOwnProperty(key)) {
            result = fn.call(obj, key, obj[key]);
            if (result === false) {
                break;
            }
        }
    }
}
 
// 遍历类数组
function arrForEach(fakeArr, fn) {
    var i = void 0,
        item = void 0,
        result = void 0;
    var length = fakeArr.length || 0;
    for (i = 0; i < length; i++) {
        item = fakeArr[i];
        result = fn.call(fakeArr, item, i);
        if (result === false) {
            break;
        }
    }
}
 
// 获取随机数
function getRandom(prefix) {
    return prefix + Math.random().toString().slice(2);
}
 
// 替换 html 特殊字符
function replaceHtmlSymbol(html) {
    if (html == null) {
        return '';
    }
    return html.replace(/, '<').replace(/>/gm, '>').replace(/"/gm, '"').replace(/(\r\n|\r|\n)/g, '
');
}
 
// 返回百分比的格式
 
 
// 判断是不是 function
function isFunction(fn) {
    return typeof fn === 'function';
}
//======================= 原系统功能 ==================================================
/*
    bold-menu
*/
// 构造函数
function Bold(editor) {
    this.editor = editor;
    this.$elem = $('
\n            \n        
');
    this.type = 'click';
 
    // 当前是否 active 状态
    this._active = false;
}
 
// 原型
Bold.prototype = {
    constructor: Bold,
 
    // 点击事件
    onClick: function onClick(e) {
        // 点击菜单将触发这里
 
        var editor = this.editor;
        var isSeleEmpty = editor.selection.isSelectionEmpty();
 
        if (isSeleEmpty) {
            // 选区是空的，插入并选中一个“空白”
            editor.selection.createEmptyRange();
        }
 
        // 执行 bold 命令
        editor.cmd.do('bold');
 
        if (isSeleEmpty) {
            // 需要将选取折叠起来
            editor.selection.collapseRange();
            editor.selection.restoreSelection();
        }
    },
//======================= 新增加功能 ==================================================
 
    // 试图改变 active 状态
    tryChangeActive: function tryChangeActive(e) {
        var editor = this.editor;
        var $elem = this.$elem;
        if (editor.cmd.queryCommandState('bold')) {
            this._active = true;
            $elem.addClass('w-e-active');
        } else {
            this._active = false;
            $elem.removeClass('w-e-active');
        }
    }
};
 
/*
    Sup-menu 上标
*/
// 新构造函数
function Sup(editor) {
    this.editor = editor;
    this.$elem = $('
↑
');
    this.type = 'click';
 
    // 当前是否 active 状态
    this._active = false;
}
 
// 
Sup.prototype = {
    constructor: Sup,
 
    // 点击事件
    onClick: function onClick(e) {
        // 点击菜单将触发这里
 
        var editor = this.editor;
        var isSeleEmpty = editor.selection.isSelectionEmpty();
 
        if (isSeleEmpty) {
            // 选区是空的，插入并选中一个“空白”
            editor.selection.createEmptyRange();
        }
 
        // 执行 bold 命令
        editor.cmd.do('insertHTML',''+editor.selection.getSelectionText()+'');
 
        if (isSeleEmpty) {
            // 需要将选取折叠起来
            editor.selection.collapseRange();
            editor.selection.restoreSelection();
        }
    },
 
    // 试图改变 active 状态
    tryChangeActive: function tryChangeActive(e) {
        var editor = this.editor;
        var $elem = this.$elem;
        if (editor.cmd.queryCommandState('Sup')) {
            this._active = true;
            $elem.addClass('w-e-active');
        } else {
            this._active = false;
            $elem.removeClass('w-e-active');
        }
    }
};
 
/*
    Sub-menu 下标
*/
// 新构造函数
function Sub(editor) {
    this.editor = editor;
    this.$elem = $('
↓
');
    this.type = 'click';
 
    // 当前是否 active 状态
    this._active = false;
}
 
// 原型
Sub.prototype = {
    constructor: Sub,
 
    // 点击事件
    onClick: function onClick(e) {
        // 点击菜单将触发这里
 
        var editor = this.editor;
        console.log(editor.selection)
        var isSeleEmpty = editor.selection.isSelectionEmpty();
 
        if (isSeleEmpty) {
            // 选区是空的，插入并选中一个“空白”
            editor.selection.createEmptyRange();
        }
 
        // 执行 bold 命令
        editor.cmd.do('insertHTML',''+editor.selection.getSelectionText()+'');
 
        if (isSeleEmpty) {
            // 需要将选取折叠起来
            editor.selection.collapseRange();
            editor.selection.restoreSelection();
        }
    },
 
    // 试图改变 active 状态
    tryChangeActive: function tryChangeActive(e) {
        var editor = this.editor;
        var $elem = this.$elem;
        if (editor.cmd.queryCommandState('Sub')) {
            this._active = true;
            $elem.addClass('w-e-active');
        } else {
            this._active = false;
            $elem.removeClass('w-e-active');
        }
    }
};
 
 
 
/*
    替换多语言
 */
 
var replaceLang = function (editor, str) {
    var langArgs = editor.config.langArgs || [];
    var result = str;
 
    langArgs.forEach(function (item) {
        var reg = item.reg;
        var val = item.val;
 
        if (reg.test(result)) {
            result = result.replace(reg, function () {
                return val;
            });
        }
    });
 
    return result;
};
 
/*
    droplist
*/
var _emptyFn = function _emptyFn() {};
 
// 构造函数
function DropList(menu, opt) {
    var _this = this;
 
    // droplist 所依附的菜单
    var editor = menu.editor;
    this.menu = menu;
    this.opt = opt;
    // 容器
    var $container = $('
');
 
    // 标题
    var $title = opt.$title;
    var titleHtml = void 0;
    if ($title) {
        // 替换多语言
        titleHtml = $title.html();
        titleHtml = replaceLang(editor, titleHtml);
        $title.html(titleHtml);
 
        $title.addClass('w-e-dp-title');
        $container.append($title);
    }
 
    var list = opt.list || [];
    var type = opt.type || 'list'; // 'list' 列表形式（如“标题”菜单） / 'inline-block' 块状形式（如“颜色”菜单）
    var onClick = opt.onClick || _emptyFn;
 
    // 加入 DOM 并绑定事件
    var $list = $('
'list' ? 'w-e-list' : 'w-e-block') + '">
');
    $container.append($list);
    list.forEach(function (item) {
        var $elem = item.$elem;
 
        // 替换多语言
        var elemHtml = $elem.html();
        elemHtml = replaceLang(editor, elemHtml);
        $elem.html(elemHtml);
 
        var value = item.value;
        var $li = $('
');