vue添加自定义右键菜单的完整实例

一、写原生方法

1.在所编辑的页面，需要添加右键菜单的元素，绑定contextmenu事件，如下：

			<li
    v-for=\"item in resourceList\"
    :key=\"item.id\"
    @click=\"handleClickFolder(item)\"
    @contextmenu.prevent=\"openMenu($event,item)\"
   >
   ...
   </li>

2.在页面编写右键菜单内容:

<ul v-show=\"visible\" :style=\"{left:left+\'px\',top:top+\'px\'}\" class=\"contextmenu\">
  <!-- <li v-if=\"rightClickItem.fileType==99\" @click=\"handleClickFolder(rightClickItem)\">打开</li>
  <li @click=\"handleDelete(rightClickItem)\">删除</li>
  <li @click=\"handleDownloadFile(rightClickItem)\" v-if=\"rightClickItem.fileType!=99\">下载</li>
  <li @click=\"handlePreviewFile(rightClickItem)\" v-if=\"rightClickItem.fileType!=99\">预览</li>
  <li @click=\"handleUpdate(rightClickItem)\">编辑</li> -->
  <li>内容</li>
 </ul>

3.在data()中定义需要的变量属性

data() { 
	return {
			visible: false,
			top: 0,
			left: 0
	}
}

4.观察visible的变化，来触发关闭右键菜单，调用关闭菜单的方法

 watch: {
 visible(value) {
  if (value) {
  document.body.addEventListener(\'click\', this.closeMenu)
  } else {
  document.body.removeEventListener(\'click\', this.closeMenu)
  }
 }
 }

5.在method中定义打开右键菜单和关闭右键菜单的两个方法

 openMenu(e, item) {
  this.rightClickItem = item;

  var x = e.pageX;
  var y = e.pageY;

  this.top = y;
  this.left = x;
  
  this.visible = true;
 },
 closeMenu() {
  this.visible = false;
 }

6.在style中写右键菜单的样式

.contextmenu {
 margin: 0;
 background: #fff;
 z-index: 3000;
 position: absolute;
 list-style-type: none;
 padding: 5px 0;
 border-radius: 4px;
 font-size: 12px;
 font-weight: 400;
 color: #333;
 box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, 0.3);
}

.contextmenu li {
 margin: 0;
 padding: 7px 16px;
 cursor: pointer;
}

.contextmenu li:hover {
 background: #eee;
}

参考链接

二、使用插件vue-context-menu

demo地址

github地址

安装：

npm install vue-contextmenu --save

引用：

import VueContextMenu from \'vue-contextmenu\'
Vue.use(VueContextMenu)

使用：

<template>
<div id=\"app\" @contextmenu=\"showMenu\"
 style=\"width: 100px;height: 100px;margin-top: 20px;background: red;\">
 <vue-context-menu :contextMenuData=\"contextMenuData\"
  @savedata=\"savedata\"
  @newdata=\"newdata\"></vue-context-menu>
</div>
</template>
<script>
export default {
 name: \'app\',
 data () {
 return {
  	// contextmenu data (菜单数据)
  contextMenuData: {
  // the contextmenu name(@1.4.1 updated)
  menuName: \'demo\',
  // The coordinates of the display(菜单显示的位置)
  axis: {
   x: null,
   y: null
  },
  // Menu options (菜单选项)
  menulists: [{
   fnHandler: \'savedata\', // Binding events(绑定事件)
   icoName: \'fa fa-home fa-fw\', // icon (icon图标 )
   btnName: \'Save\' // The name of the menu option (菜单名称)
  }, {
   fnHandler: \'newdata\',
   icoName: \'fa fa-home fa-fw\',
   btnName: \'New\'
  }]
  }
 }
 },
 methods: {
 showMenu () {
  event.preventDefault()
  var x = event.clientX
  var y = event.clientY
  // Get the current location
  this.contextMenuData.axis = {
  x, y
  }
 },
 savedata () {
  alert(1)
 },
 newdata () {
  console.log(\'newdata!\')
 }
 }
}
</script>

tip:有说不兼容ie的，具体没有测试