element/examples/docs/en-US/menu.md
2019-03-01 18:35:08 +08:00

11 KiB

NavMenu

Menu that provides navigation for your website.

Top bar

Top bar NavMenu can be used in a variety of scenarios.

:::demo By default Menu is vertical, but you can change it to horizontal by setting the mode prop to 'horizontal'. In addition, you can use the submenu component to create a second level menu. Menu provides background-color, text-color and active-text-color to customize the colors.

<el-menu :default-active="activeIndex" class="el-menu-demo" mode="horizontal" @select="handleSelect">
  <el-menu-item index="1">Processing Center</el-menu-item>
  <el-submenu index="2">
    <template slot="title">Workspace</template>
    <el-menu-item index="2-1">item one</el-menu-item>
    <el-menu-item index="2-2">item two</el-menu-item>
    <el-menu-item index="2-3">item three</el-menu-item>
    <el-submenu index="2-4">
      <template slot="title">item four</template>
      <el-menu-item index="2-4-1">item one</el-menu-item>
      <el-menu-item index="2-4-2">item two</el-menu-item>
      <el-menu-item index="2-4-3">item three</el-menu-item>
    </el-submenu>
  </el-submenu>
  <el-menu-item index="3" disabled>Info</el-menu-item>
  <el-menu-item index="4"><a href="https://www.ele.me" target="_blank">Orders</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">Processing Center</el-menu-item>
  <el-submenu index="2">
    <template slot="title">Workspace</template>
    <el-menu-item index="2-1">item one</el-menu-item>
    <el-menu-item index="2-2">item two</el-menu-item>
    <el-menu-item index="2-3">item three</el-menu-item>
    <el-submenu index="2-4">
      <template slot="title">item four</template>
      <el-menu-item index="2-4-1">item one</el-menu-item>
      <el-menu-item index="2-4-2">item two</el-menu-item>
      <el-menu-item index="2-4-3">item three</el-menu-item>
    </el-submenu>
  </el-submenu>
  <el-menu-item index="3" disabled>Info</el-menu-item>
  <el-menu-item index="4"><a href="https://www.ele.me" target="_blank">Orders</a></el-menu-item>
</el-menu>

<script>
  export default {
    data() {
      return {
        activeIndex: '1',
        activeIndex2: '1'
      };
    },
    methods: {
      handleSelect(key, keyPath) {
        console.log(key, keyPath);
      }
    }
  }
</script>

:::

Side bar

Vertical NavMenu with sub-menus.

:::demo You can use the el-menu-item-group component to create a menu group, and the name of the group is determined by the title prop or a named slot.

<el-row class="tac">
  <el-col :span="12">
    <h5>Default colors</h5>
    <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose">
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span>Navigator One</span>
        </template>
        <el-menu-item-group title="Group One">
          <el-menu-item index="1-1">item one</el-menu-item>
          <el-menu-item index="1-2">item one</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="Group Two">
          <el-menu-item index="1-3">item three</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <template slot="title">item four</template>
          <el-menu-item index="1-4-1">item one</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <span>Navigator Two</span>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <i class="el-icon-document"></i>
        <span>Navigator Three</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span>Navigator Four</span>
      </el-menu-item>
    </el-menu>
  </el-col>
  <el-col :span="12">
    <h5>Custom colors</h5>
    <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
      background-color="#545c64"
      text-color="#fff"
      active-text-color="#ffd04b">
      <el-submenu index="1">
        <template slot="title">
          <i class="el-icon-location"></i>
          <span>Navigator One</span>
        </template>
        <el-menu-item-group title="Group One">
          <el-menu-item index="1-1">item one</el-menu-item>
          <el-menu-item index="1-2">item one</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="Group Two">
          <el-menu-item index="1-3">item three</el-menu-item>
        </el-menu-item-group>
        <el-submenu index="1-4">
          <template slot="title">item four</template>
          <el-menu-item index="1-4-1">item one</el-menu-item>
        </el-submenu>
      </el-submenu>
      <el-menu-item index="2">
        <i class="el-icon-menu"></i>
        <span>Navigator Two</span>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <i class="el-icon-document"></i>
        <span>Navigator Three</span>
      </el-menu-item>
      <el-menu-item index="4">
        <i class="el-icon-setting"></i>
        <span>Navigator Four</span>
      </el-menu-item>
    </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>

:::

Collapse

Vertical NavMenu could be collapsed.

:::demo

<el-radio-group v-model="isCollapse" style="margin-bottom: 20px;">
  <el-radio-button :label="false">expand</el-radio-button>
  <el-radio-button :label="true">collapse</el-radio-button>
</el-radio-group>
<el-menu default-active="2" class="el-menu-vertical-demo" @open="handleOpen" @close="handleClose" :collapse="isCollapse">
  <el-submenu index="1">
    <template slot="title">
      <i class="el-icon-location"></i>
      <span slot="title">Navigator One</span>
    </template>
    <el-menu-item-group>
      <span slot="title">Group One</span>
      <el-menu-item index="1-1">item one</el-menu-item>
      <el-menu-item index="1-2">item two</el-menu-item>
    </el-menu-item-group>
    <el-menu-item-group title="Group Two">
      <el-menu-item index="1-3">item three</el-menu-item>
    </el-menu-item-group>
    <el-submenu index="1-4">
      <span slot="title">item four</span>
      <el-menu-item index="1-4-1">item one</el-menu-item>
    </el-submenu>
  </el-submenu>
  <el-menu-item index="2">
    <i class="el-icon-menu"></i>
    <span slot="title">Navigator Two</span>
  </el-menu-item>
  <el-menu-item index="3" disabled>
    <i class="el-icon-document"></i>
    <span slot="title">Navigator Three</span>
  </el-menu-item>
  <el-menu-item index="4">
    <i class="el-icon-setting"></i>
    <span slot="title">Navigator Four</span>
  </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>

:::

Menu Attribute

Attribute Description Type Accepted Values Default
mode menu display mode string horizontal / vertical vertical
collapse whether the menu is collapsed (available only in vertical mode) boolean false
background-color background color of Menu (hex format) string #ffffff
text-color text color of Menu (hex format) string #303133
active-text-color text color of currently active menu item (hex format) string #409EFF
default-active index of currently active menu string
default-openeds array that contains indexes of currently active sub-menus Array
unique-opened whether only one sub-menu can be active boolean false
menu-trigger how sub-menus are triggered, only works when mode is 'horizontal' string hover / click hover
router whether vue-router mode is activated. If true, index will be used as 'path' to activate the route action boolean false
collapse-transition whether to enable the collapse transition boolean true

Menu Methods

Methods Name Description Parameters
open open a specific sub-menu index: index of the sub-menu to open
close close a specific sub-menu index: index of the sub-menu to close

Menu Events

Event Name Description Parameters
select callback function when menu is activated index: index of activated menu, indexPath: index path of activated menu
open callback function when sub-menu expands index: index of expanded sub-menu, indexPath: index path of expanded sub-menu
close callback function when sub-menu collapses index: index of collapsed sub-menu, indexPath: index path of collapsed sub-menu

Menu-Item Events

Event Name Description Parameters
click callback function when menu-item is clicked el: menu-item instance

SubMenu Attribute

Attribute Description Type Accepted Values Default
index unique identification string
popper-class custom class name for the popup menu string
show-timeout timeout before showing a sub-menu number 300
hide-timeout timeout before hiding a sub-menu number 300
disabled whether the sub-menu is disabled boolean false
popper-append-to-body whether to append the popup menu to body. If the positioning of the menu is wrong, you can try setting this prop boolean - level one Submenu: true / other Submenus: false

Menu-Item Attribute

Attribute Description Type Accepted Values Default
index unique identification string/null null
route Vue Router object object
disabled whether disabled boolean false

Menu-Group Attribute

Attribute Description Type Accepted Values Default
title group title string