源码：rightmenu.js

layui.define(['element'], function (exports) {let element = layui.element;const $ = layui.jquery;let MOD_NAME = 'rightmenu';let RIGHTMENUMOD = function () {this.v = '1.0.0';this.author = 'raowenjing';};String.prototype.format = function () {if (arguments.length == 0) return this;let param = arguments[0];let 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;}}function createStyle(ulClassName) {let style = '.{name} {position: absolute;width: 110px;z-index: 9999;display: none;background-color: #fff;padding: 2px;color: #333;border: 1px solid #c2c2c2;border-radius: 2px;cursor: pointer;}.{name} li {text-align: center;display: block;height: 30px;line-height: 32px;}.{name} li:hover {background-color: #666;color: #fff;}'.format({name: ulClassName});return style;}/*** 初始化*/RIGHTMENUMOD.prototype.render = function (opt) {createStyle();if (!opt.container) {console.error("[ERROR]使用rightmenu组件需要制定'container'属性！");return;}let defaultNavArr = [];opt = opt || {};opt.triggerDom = opt.triggerDom || "li";opt.boxClassName = opt.boxClassName || "right-click-menu-container";opt.navArr = opt.navArr || defaultNavArr;CreateRightMenu(opt,"");_CustomRightClick(opt);};/*** 创建右键菜单项目* @param rightMenuConfig* @constructor*/function CreateRightMenu(rightMenuConfig,currentData,callback) {if($('.'+rightMenuConfig.boxClassName).length>0) $('.'+rightMenuConfig.boxClassName).remove();$("<style></style>").text(createStyle(rightMenuConfig.boxClassName)).appendTo($("head"));let li = '';$.each(rightMenuConfig.navArr, function (index, conf) {if(!!currentData && typeof conf.showFormat != "undefined"){ // 控制if(typeof conf.showFormat == "function"){var isShow = conf.showFormat(currentData);isShow = !!isShow?true:false;if(isShow){li += '<li data-type="{eventName}"><i class="layui-icon {icon}"></i>{title}</li>'.format({eventName:conf.eventName,icon:conf.icon?conf.icon:"",title:conf.title});}}else{if(!!conf.showFormat){li += '<li data-type="{eventName}"><i class="layui-icon {icon}"></i>{title}</li>'.format({eventName:conf.eventName,icon:conf.icon?conf.icon:"",title:conf.title});}}}else{li += '<li data-type="{eventName}"><i class="layui-icon {icon}"></i>{title}</li>'.format({eventName:conf.eventName,icon:conf.icon?conf.icon:"",title:conf.title});}})let tmpHtml = '<ul class="{className}">{liStr} </ul>'.format({liStr: li, className: rightMenuConfig.boxClassName})$(rightMenuConfig.container).after(tmpHtml);setTimeout(function(){registerMenuClick(rightMenuConfig);if(!!callback && typeof callback == "function") callback();},10)}/*** 绑定右键菜单* @constructor*/function _CustomRightClick(rightMenuConfig) {$(rightMenuConfig.container).off("click");$(rightMenuConfig.container).on("click", rightMenuConfig.triggerDom,function () {$('.'+rightMenuConfig.boxClassName).hide();});$(rightMenuConfig.container).off("contextmenu")$(rightMenuConfig.container).on("contextmenu", rightMenuConfig.triggerDom, function (e) {// 阻止默认的右键菜单e.preventDefault();// 重构菜单CreateRightMenu(rightMenuConfig,$(this).data(),function(){let popupmenu = $("."+rightMenuConfig.boxClassName);let leftValue = ($(document).width() - e.clientX) < popupmenu.width() ? (e.clientX - popupmenu.width()) : e.clientX;let topValue = ($(document).height() - e.clientY) < popupmenu.height() ? (e.clientY - popupmenu.height()) : e.clientY;popupmenu.css({left: leftValue, top: topValue}).show();});// 将该元素的所有数据复制到$.each($(this).data(), function(key, value) {$("."+rightMenuConfig.boxClassName).data(key, value);});return false;});// 点击空白处隐藏弹出菜单$(document).click(function (event) {event.stopPropagation();$("."+rightMenuConfig.boxClassName).hide();});}function registerMenuClick(rightMenuConfig){$('.' + rightMenuConfig.boxClassName + ' li').prop("onclick",null).off("click");/*** 注册tab右键菜单点击事件*/$('.' + rightMenuConfig.boxClassName + ' li').click(function () {rightMenuConfig.registMethod[$(this).attr("data-type")]($(this).parents("."+rightMenuConfig.boxClassName).data());$("."+rightMenuConfig.boxClassName).hide();})}let rightmenuObj = new RIGHTMENUMOD();exports(MOD_NAME, rightmenuObj);
})

使用示例：

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>标题</title>
</head>
<body><div id="app_folder" lay-filter="folder_filter" class="folder-container"></div><script src="./js/jquery.min.js"></script><script src="./layui/layui.js"></script><script>layui.config({base: './layui/modules/' //静态资源所在路径}).use(['rightmenu','tree'], function(){var tree = layui.tree, rightmenu_ = layui.rightmenuinitFolder();function initFolder(){var data = [{ id: 1, title: "标题标题标题", type: "html" },{ id: 2, title: "标题标题标题", type: "html", children: [ { id: 3, title: "标题", type: "javascript" } ] },]tree.render({elem: '#app_folder' //默认是点击节点可进行收缩,data: data,onlyIconControl: true,click: function(obj){}});setTimeout(function(){// 为dom节点添加数据$("#app_folder .layui-tree-main").each(function(index,item){var parent = $(this).parent().parent();var id = parent.data("id");var dataItem = null;if(parent.hasClass("layui-tree-setHide")){ // 页面dataItem = data.find(function(it){ return it.id==id; })}else{ // 资源for(var i=0,len=data.length;i<len;i++){var currentItem = data[i].children.find(function(it){ return it.id==id; })if(!!currentItem) dataItem = currentItem;}}if(!!dataItem){for (var key in dataItem) {$(this).data(key,dataItem[key]);}}})rightmenu_.render({container: '#app_folder',triggerDom: ".layui-tree-main", // 触发右击事件的dom节点// navArr：对象数组，每个对象包含eventName、title、showFormat属性navArr: [{title: "新建页面", eventName: 'createPage'},{title: "新建资源", eventName: 'createSource'},{title: "修改", eventName: 'edit'},{title: "删除", eventName: 'delete'},{title: "预览", eventName: 'preview', showFormat: function(data){ if(data.source_type=="html"){ return true }else{ return false; } } },{title: "资源路径", eventName: 'sourcePath', showFormat: function(data){ if(data.source_type=="html"){ return true }else{ return false; } } },{title: "下载资源", eventName: 'downloadSource', showFormat: function(data){ if(data.source_type=="image" || data.source_type=="file"){ return true }else{ return false; } } },{title: "清除缓存数据", eventName: 'clearLocalData', showFormat: function(data){ if(data.source_type=="javascript"){ return true }else{ return false; } } }],// 注册自定义事件registMethod: {'clearLocalData': function(data){console.log(data);},'sourcePath': function(data){console.log(data);},'preview': function(data){},'downloadSource': function(data){},'edit': function(data){},'delete': function(data){},'createPage': function(data){},'createSource': function(data){},}})},100);}})</script>
</body>
</html>

效果：