element-plus/website/docs/zh-CN/menu.md
Sanxiaozhizi c7e7224f77
refactor: rename el-submenu to el-sub-menu (#3037)
* refactor(components): rename el-submenu to el-sub-menu

* refactor(docs): rename el-submenu to el-sub-menu
2021-08-25 10:03:36 +08:00

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## NavMenu 导航菜单
为网站提供导航功能的菜单。
### 顶栏
适用广泛的基础用法。
:::demo 导航菜单默认为垂直模式,通过`mode`属性可以使导航菜单变更为水平模式。另外,在菜单中通过`sub-menu`组件可以生成二级菜单。Menu 还提供了`background-color`、`text-color`和`active-text-color`,分别用于设置菜单的背景色、菜单的文字颜色和当前激活菜单的文字颜色。
```html
<el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal" @select="handleSelect">
<el-menu-item index="1">处理中心</el-menu-item>
<el-sub-menu index="2">
<template #title>我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
<el-sub-menu index="2-4">
<template #title>选项4</template>
<el-menu-item index="2-4-1">选项1</el-menu-item>
<el-menu-item index="2-4-2">选项2</el-menu-item>
<el-menu-item index="2-4-3">选项3</el-menu-item>
</el-sub-menu>
</el-sub-menu>
<el-menu-item index="3" disabled>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
</el-menu>
<div class="line"></div>
<el-menu
:default-active="activeIndex2"
class="el-menu-demo"
mode="horizontal"
@select="handleSelect"
background-color="#545c64"
text-color="#fff"
active-text-color="#ffd04b">
<el-menu-item index="1">处理中心</el-menu-item>
<el-sub-menu index="2">
<template #title>我的工作台</template>
<el-menu-item index="2-1">选项1</el-menu-item>
<el-menu-item index="2-2">选项2</el-menu-item>
<el-menu-item index="2-3">选项3</el-menu-item>
<el-sub-menu index="2-4">
<template #title>选项4</template>
<el-menu-item index="2-4-1">选项1</el-menu-item>
<el-menu-item index="2-4-2">选项2</el-menu-item>
<el-menu-item index="2-4-3">选项3</el-menu-item>
</el-sub-menu>
</el-sub-menu>
<el-menu-item index="3" disabled>消息中心</el-menu-item>
<el-menu-item index="4"><a href="https://www.ele.me" target="_blank">订单管理</a></el-menu-item>
</el-menu>
<script>
export default {
data() {
return {
activeIndex: '1',
activeIndex2: '1'
};
},
methods: {
handleSelect(key, keyPath) {
console.log(key, keyPath);
}
}
}
</script>
<!--
<setup>
import { defineComponent, ref } from 'vue';
export default defineComponent({
setup() {
const activeIndex = ref('1');
const activeIndex2 = ref('1');
const handleSelect = (key, keyPath) => {
console.log(key, keyPath);
};
return {
activeIndex,
activeIndex2,
handleSelect,
};
},
});
</setup>
-->
```
:::
### 侧栏
垂直菜单,可内嵌子菜单。
:::demo 通过`el-menu-item-group`组件可以实现菜单进行分组,分组名可以通过`title`属性直接设定,也可以通过具名 slot 来设定。
```html
<el-row class="tac">
<el-col :span="12">
<h5>默认颜色</h5>
<el-menu
default-active="2"
class="el-menu-vertical-demo"
@open="handleOpen"
@close="handleClose">
<el-sub-menu index="1">
<template #title>
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template #title>分组一</template>
<el-menu-item index="1-1">选项1</el-menu-item>
<el-menu-item index="1-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-3">选项3</el-menu-item>
</el-menu-item-group>
<el-sub-menu index="1-4">
<template #title>选项4</template>
<el-menu-item index="1-4-1">选项1</el-menu-item>
</el-sub-menu>
</el-sub-menu>
<el-menu-item index="2">
<i class="el-icon-menu"></i>
<template #title>导航二</template>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<template #title>导航三</template>
</el-menu-item>
<el-menu-item index="4">
<i class="el-icon-setting"></i>
<template #title>导航四</template>
</el-menu-item>
</el-menu>
</el-col>
<el-col :span="12">
<h5>自定义颜色</h5>
<el-menu
:uniqueOpened="true"
default-active="2"
class="el-menu-vertical-demo"
@open="handleOpen"
@close="handleClose"
background-color="#545c64"
text-color="#fff"
active-text-color="#ffd04b">
<el-sub-menu index="1">
<template #title>
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template #title>分组一</template>
<el-menu-item index="1-1">选项1</el-menu-item>
<el-menu-item index="1-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-3">选项3</el-menu-item>
</el-menu-item-group>
<el-sub-menu index="1-4">
<template #title>选项4</template>
<el-menu-item index="1-4-1">选项1</el-menu-item>
</el-sub-menu>
</el-sub-menu>
<el-menu-item index="2">
<i class="el-icon-menu"></i>
<template #title>导航二</template>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<template #title>导航三</template>
</el-menu-item>
<el-menu-item index="4">
<i class="el-icon-setting"></i>
<template #title>导航四</template>
</el-menu-item>
<el-sub-menu index="5">
<template #title>
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template #title>分组一</template>
<el-menu-item index="5-1">选项1</el-menu-item>
<el-menu-item index="5-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="5-3">选项3</el-menu-item>
</el-menu-item-group>
</el-sub-menu>
</el-menu>
</el-col>
</el-row>
<script>
export default {
methods: {
handleOpen(key, keyPath) {
console.log(key, keyPath);
},
handleClose(key, keyPath) {
console.log(key, keyPath);
}
}
}
</script>
<!--
<setup>
import { defineComponent } from 'vue';
export default defineComponent({
setup() {
const handleOpen = (key, keyPath) => {
console.log(key, keyPath);
};
const handleClose = (key, keyPath) => {
console.log(key, keyPath);
};
return {
handleOpen,
handleClose,
};
},
});
</setup>
-->
```
:::
### 折叠
:::demo
```html
<el-radio-group v-model="isCollapse" style="margin-bottom: 20px;">
<el-radio-button :label="false">展开</el-radio-button>
<el-radio-button :label="true">收起</el-radio-button>
</el-radio-group>
<el-menu default-active="1-4-1" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
<el-sub-menu index="1">
<template #title>
<i class="el-icon-location"></i>
<span>导航一</span>
</template>
<el-menu-item-group>
<template #title>分组一</template>
<el-menu-item index="1-1">选项1</el-menu-item>
<el-menu-item index="1-2">选项2</el-menu-item>
</el-menu-item-group>
<el-menu-item-group title="分组2">
<el-menu-item index="1-3">选项3</el-menu-item>
</el-menu-item-group>
<el-sub-menu index="1-4">
<template #title>选项4</template>
<el-menu-item index="1-4-1">选项1</el-menu-item>
</el-sub-menu>
</el-sub-menu>
<el-menu-item index="2">
<i class="el-icon-menu"></i>
<template #title>导航二</template>
</el-menu-item>
<el-menu-item index="3" disabled>
<i class="el-icon-document"></i>
<template #title>导航三</template>
</el-menu-item>
<el-menu-item index="4">
<i class="el-icon-setting"></i>
<template #title>导航四</template>
</el-menu-item>
</el-menu>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
width: 200px;
min-height: 400px;
}
</style>
<script>
export default {
data() {
return {
isCollapse: true
};
},
methods: {
handleOpen(key, keyPath) {
console.log(key, keyPath);
},
handleClose(key, keyPath) {
console.log(key, keyPath);
}
}
}
</script>
<!--
<setup>
import { defineComponent, ref } from 'vue';
export default defineComponent({
setup() {
const isCollapse = ref(true);
const handleOpen = (key, keyPath) => {
console.log(key, keyPath);
};
const handleClose = (key, keyPath) => {
console.log(key, keyPath);
};
return {
isCollapse,
handleOpen,
handleClose,
};
},
});
</setup>
-->
```
:::
### Menu Attribute
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
| ------------------- | ----------------------------------------------------------------------------------- | ------- | --------------------- | -------- |
| mode | 模式 | string | horizontal / vertical | vertical |
| collapse | 是否水平折叠收起菜单(仅在 mode 为 vertical 时可用) | boolean | — | false |
| background-color | 菜单的背景色(仅支持 hex 格式) | string | — | #ffffff |
| text-color | 菜单的文字颜色(仅支持 hex 格式) | string | — | #303133 |
| active-text-color | 当前激活菜单的文字颜色(仅支持 hex 格式) | string | — | #409EFF |
| default-active | 当前激活菜单的 index | string | — | — |
| default-openeds | 当前打开的 sub-menu 的 index 的数组 | Array | — | — |
| unique-opened | 是否只保持一个子菜单的展开 | boolean | — | false |
| menu-trigger | 子菜单打开的触发方式(只在 mode 为 horizontal 时有效) | string | hover / click | hover |
| router | 是否使用 vue-router 的模式,启用该模式会在激活导航时以 index 作为 path 进行路由跳转 | boolean | — | false |
| collapse-transition | 是否开启折叠动画 | boolean | — | true |
### Menu Methods
| 方法名称 | 说明 | 参数 |
| -------- | ------------------- | ----------------------------------- |
| open | 展开指定的 sub-menu | index: 需要打开的 sub-menu 的 index |
| close | 收起指定的 sub-menu | index: 需要收起的 sub-menu 的 index |
### Menu Events
| 事件名称 | 说明 | 回调参数 |
| -------- | ------------------- | -------------------------------------------------------------------------- |
| select | 菜单激活回调 | index: 选中菜单项的 index, indexPath: 选中菜单项的 index path, item: 选中菜单项, routeResult: vue-router 的返回值(如果 router 为 true |
| open | sub-menu 展开的回调 | index: 打开的 sub-menu 的 index, indexPath: 打开的 sub-menu 的 index path |
| close | sub-menu 收起的回调 | index: 收起的 sub-menu 的 index, indexPath: 收起的 sub-menu 的 index path |
### SubMenu Attribute
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
| --------------------- | ------------------------------------------------------------------------ | ----------- | ------ | -------------------------------------- |
| index | 唯一标志 | string/null | — | null |
| popper-class | 弹出菜单的自定义类名 | string | — | — |
| show-timeout | 展开 sub-menu 的延时 | number | — | 300 |
| hide-timeout | 收起 sub-menu 的延时 | number | — | 300 |
| disabled | 是否禁用 | boolean | — | false |
| popper-append-to-body | 是否将弹出菜单插入至 body 元素。在菜单的定位出现问题时,可尝试修改该属性 | boolean | — | 一级子菜单true / 非一级子菜单false |
### Menu-Item Attribute
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
| -------- | ------------------- | ------- | ------ | ------ |
| index | 唯一标志 | string | — | — |
| route | Vue Router 路径对象 | Object | — | — |
| disabled | 是否禁用 | boolean | — | false |
### Menu-Group Attribute
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
| ----- | -------- | ------ | ------ | ------ |
| title | 分组标题 | string | — | — |