mirror of https://github.com/ElemeFE/element
				
				
				
			
		
			
				
	
	
		
			182 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Markdown
		
	
	
			
		
		
	
	
			182 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Markdown
		
	
	
<style>
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  .demo-box.demo-menu {
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    .el-menu-demo {
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      padding-left: 55px;
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    }
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    .el-menu-vertical-demo {
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      width: 200px;
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      min-height: 400px;
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    }
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    .line {
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      height: 1px;
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      background-color: #e0e6ed;
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      margin: 35px -24px;
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    }
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    h5 {
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      font-size: 14px;
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      color: #8492a6;
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      margin-top: 10px;
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    }
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    .tac {
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      text-align: center;
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      .el-menu-vertical-demo {
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        display: inline-block;
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        text-align: left;
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      }
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    }
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  }
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</style>
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<script>
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  export default {
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    methods: {
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      handleopen(key, keyPath) {
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        console.log(key, keyPath);
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      },
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      handleclose(key, keyPath) {
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        console.log(key, keyPath);
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      },
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      handleselect(key, keyPath) {
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        console.log(key, keyPath);
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      }
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    }
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  }
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</script>
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## NavMenu 导航菜单
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为网站提供导航功能的菜单。
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### 顶栏
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适用广泛的基础用法。
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::: demo
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```html
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<el-menu theme="dark" default-active="1" class="el-menu-demo" mode="horizontal" @select="handleselect">
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  <el-menu-item index="1">处理中心</el-menu-item>
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  <el-submenu index="2">
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    <template slot="title">我的工作台</template>
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    <el-menu-item index="2-1">选项1</el-menu-item>
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    <el-menu-item index="2-2">选项2</el-menu-item>
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    <el-menu-item index="2-3">选项3</el-menu-item>
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  </el-submenu>
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  <el-menu-item index="3">订单管理</el-menu-item>
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</el-menu>
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<div class="line"></div>
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<el-menu default-active="1" class="el-menu-demo" mode="horizontal" @select="handleselect">
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  <el-menu-item index="1">处理中心</el-menu-item>
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  <el-submenu index="2">
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    <template slot="title">我的工作台</template>
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    <el-menu-item index="2-1">选项1</el-menu-item>
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    <el-menu-item index="2-2">选项2</el-menu-item>
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    <el-menu-item index="2-3">选项3</el-menu-item>
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  </el-submenu>
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  <el-menu-item index="3">订单管理</el-menu-item>
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</el-menu>
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```
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:::
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### 侧栏
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垂直菜单,可内嵌子菜单。
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::: demo
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```html
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<el-row class="tac">
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  <el-col :span="8">
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    <h5>带 icon</h5>
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    <el-menu default-active="2" class="el-menu-vertical-demo" @open="handleopen" @close="handleclose">
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      <el-submenu index="1">
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        <template slot="title"><i class="el-icon-message"></i>导航一</template>
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        <el-menu-item-group title="分组一">
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          <el-menu-item index="1-1">选项1</el-menu-item>
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          <el-menu-item index="1-2">选项2</el-menu-item>
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        </el-menu-item-group>
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        <el-menu-item-group title="分组2">
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          <el-menu-item index="1-3">选项3</el-menu-item>
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        </el-menu-item-group>
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      </el-submenu>
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      <el-menu-item index="2"><i class="el-icon-menu"></i>导航二</el-menu-item>
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      <el-menu-item index="3"><i class="el-icon-setting"></i>导航三</el-menu-item>
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    </el-menu>
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  </el-col>
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  <el-col :span="8">
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    <h5>不带 icon</h5>
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    <el-menu default-active="2" class="el-menu-vertical-demo" @open="handleopen" @close="handleclose" theme="dark">
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      <el-submenu index="1">
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        <template slot="title">导航一</template>
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        <el-menu-item-group title="分组一">
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          <el-menu-item index="1-1">选项1</el-menu-item>
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          <el-menu-item index="1-2">选项2</el-menu-item>
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        </el-menu-item-group>
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        <el-menu-item-group title="分组2">
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          <el-menu-item index="1-3">选项3</el-menu-item>
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        </el-menu-item-group>
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      </el-submenu>
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      <el-menu-item index="2">导航二</el-menu-item>
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      <el-menu-item index="3">导航三</el-menu-item>
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    </el-menu>
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  </el-col>
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  <el-col :span="8">
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    <h5>分组</h5>
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    <el-menu mode="vertical" default-active="1" class="el-menu-vertical-demo">
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      <el-menu-item-group title="分组一">
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        <el-menu-item index="1"><i class="el-icon-message"></i>导航一</el-menu-item>
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        <el-menu-item index="2"><i class="el-icon-message"></i>导航二</el-menu-item>
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      </el-menu-item-group>
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      <el-menu-item-group title="分组二">
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        <el-menu-item index="3"><i class="el-icon-message"></i>导航三</el-menu-item>
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        <el-menu-item index="4"><i class="el-icon-message"></i>导航四</el-menu-item>
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        <!-- <el-submenu index="5">
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          <template slot="title">导航五</template>
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          <el-menu-item-group title="分组一">
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            <el-menu-item index="5-1">选项1</el-menu-item>
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            <el-menu-item index="5-2">选项2</el-menu-item>
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          </el-menu-item-group>
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          <el-menu-item-group title="分组二">
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            <el-menu-item index="5-3">选项3</el-menu-item>
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          </el-menu-item-group>
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        </el-submenu> -->
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      </el-menu-item-group>
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    </el-menu>
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  </el-col>
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</el-row>
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```
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:::
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### Menu Attribute
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| 参数      | 说明    | 类型      | 可选值       | 默认值   |
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|---------- |-------- |---------- |-------------  |-------- |
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| mode     | 模式   | string  |   horizontal,vertical   | vertical |
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| theme     | 主题色   | string    | light,dark | light |
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| default-active | 当前激活菜单的 index | string    | — | — |
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| default-openeds | 当前打开的submenu的 key 数组 | Array    | — | — |
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| unique-opened  | 是否只保持一个子菜单的展开 | boolean   | — | false   |
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| menu-trigger  | 子菜单打开的触发方式(只在 mode 为 horizontal 时有效) | string   | — | hover   |
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| 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   |
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### Menu Events
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| 事件名称      | 说明    | 回调参数      |
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|---------- |-------- |---------- |
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| select  | 菜单激活回调 | index: 选中菜单项的 indexPath: 选中菜单项的 index path  |
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| open  | SubMenu 展开的回调 | index: 打开的 subMenu 的 index, indexPath: 打开的 subMenu 的 index path  |
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| close  | SubMenu 收起的回调 | index: 收起的 subMenu 的 index, indexPath: 收起的 subMenu 的 index path  |
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### SubMenu Attribute
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| 参数      | 说明    | 类型      | 可选值       | 默认值   |
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|---------- |-------- |---------- |-------------  |-------- |
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| index     | 唯一标志   | string  | — | — |
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### Menu-Item Attribute
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| 参数      | 说明    | 类型      | 可选值       | 默认值   |
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|---------- |-------- |---------- |-------------  |-------- |
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| index     | 唯一标志   | string  | — | — |
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| route     | Vue Router 路径对象 | Object | — | — |
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### Menu-Group Attribute
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| 参数      | 说明    | 类型      | 可选值       | 默认值   |
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|---------- |-------- |---------- |-------------  |-------- |
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| title     | 分组标题   | string  | — | — |
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