• Dropdown 下拉菜单
    • 基础用法
    • 触发对象
    • 触发方式
    • 菜单隐藏方式
    • 指令事件
    • 不同尺寸
    • Dropdown Attributes
    • Dropdown Slots
    • Dropdown Events
    • Dropdown Menu Item Attributes

    Dropdown 下拉菜单

    将动作或菜单折叠到下拉菜单中。

    基础用法

    移动到下拉菜单上，展开更多操作。

    Dropdown 下拉菜单 - 图1

    通过组件slot来设置下拉触发的元素以及需要通过具名slot为dropdown 来设置下拉菜单。默认情况下，下拉按钮只要hover即可，无需点击也会显示下拉菜单。

    1. <el-dropdown>
    2.   <span class="el-dropdown-link">
    3.     下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
    4.   </span>
    5.   <el-dropdown-menu slot="dropdown">
    6.     <el-dropdown-item>黄金糕</el-dropdown-item>
    7.     <el-dropdown-item>狮子头</el-dropdown-item>
    8.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    9.     <el-dropdown-item disabled>双皮奶</el-dropdown-item>
    10.     <el-dropdown-item divided>蚵仔煎</el-dropdown-item>
    11.   </el-dropdown-menu>
    12. </el-dropdown>
    14. <style>
    15.   .el-dropdown-link {
    16.     cursor: pointer;
    17.     color: #409EFF;
    18.   }
    19.   .el-icon-arrow-down {
    20.     font-size: 12px;
    21.   }
    22. </style>

    触发对象

    可使用按钮触发下拉菜单。

    Dropdown 下拉菜单 - 图2

    设置split-button属性来让触发下拉元素呈现为按钮组，左边是功能按钮，右边是触发下拉菜单的按钮，设置为true即可。

    1. <el-dropdown>
    2.   <el-button type="primary">
    3.     更多菜单<i class="el-icon-arrow-down el-icon--right"></i>
    4.   </el-button>
    5.   <el-dropdown-menu slot="dropdown">
    6.     <el-dropdown-item>黄金糕</el-dropdown-item>
    7.     <el-dropdown-item>狮子头</el-dropdown-item>
    8.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    9.     <el-dropdown-item>双皮奶</el-dropdown-item>
    10.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    11.   </el-dropdown-menu>
    12. </el-dropdown>
    13. <el-dropdown split-button type="primary" @click="handleClick">
    14.   更多菜单
    15.   <el-dropdown-menu slot="dropdown">
    16.     <el-dropdown-item>黄金糕</el-dropdown-item>
    17.     <el-dropdown-item>狮子头</el-dropdown-item>
    18.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    19.     <el-dropdown-item>双皮奶</el-dropdown-item>
    20.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    21.   </el-dropdown-menu>
    22. </el-dropdown>
    24. <style>
    25.   .el-dropdown {
    26.     vertical-align: top;
    27.   }
    28.   .el-dropdown + .el-dropdown {
    29.     margin-left: 15px;
    30.   }
    31.   .el-icon-arrow-down {
    32.     font-size: 12px;
    33.   }
    34. </style>
    36. <script>
    37.   export default {
    38.     methods: {
    39.       handleClick() {
    40.         alert('button click');
    41.       }
    42.     }
    43.   }
    44. </script>

    触发方式

    可以配置 click 激活或者 hover 激活。

    Dropdown 下拉菜单 - 图3

    在trigger属性设置为click即可。

    1. <el-row class="block-col-2">
    2.   <el-col :span="12">
    3.     <span class="demonstration">hover 激活</span>
    4.     <el-dropdown>
    5.       <span class="el-dropdown-link">
    6.         下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
    7.       </span>
    8.       <el-dropdown-menu slot="dropdown">
    9.         <el-dropdown-item icon="el-icon-plus">黄金糕</el-dropdown-item>
    10.         <el-dropdown-item icon="el-icon-circle-plus">狮子头</el-dropdown-item>
    11.         <el-dropdown-item icon="el-icon-circle-plus-outline">螺蛳粉</el-dropdown-item>
    12.         <el-dropdown-item icon="el-icon-check">双皮奶</el-dropdown-item>
    13.         <el-dropdown-item icon="el-icon-circle-check-outline">蚵仔煎</el-dropdown-item>
    14.       </el-dropdown-menu>
    15.     </el-dropdown>
    16.   </el-col>
    17.   <el-col :span="12">
    18.     <span class="demonstration">click 激活</span>
    19.     <el-dropdown trigger="click">
    20.       <span class="el-dropdown-link">
    21.         下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
    22.       </span>
    23.       <el-dropdown-menu slot="dropdown">
    24.         <el-dropdown-item icon="el-icon-plus">黄金糕</el-dropdown-item>
    25.         <el-dropdown-item icon="el-icon-circle-plus">狮子头</el-dropdown-item>
    26.         <el-dropdown-item icon="el-icon-circle-plus-outline">螺蛳粉</el-dropdown-item>
    27.         <el-dropdown-item icon="el-icon-check">双皮奶</el-dropdown-item>
    28.         <el-dropdown-item icon="el-icon-circle-check-outline">蚵仔煎</el-dropdown-item>
    29.       </el-dropdown-menu>
    30.     </el-dropdown>
    31.   </el-col>
    32. </el-row>
    34. <style>
    35.   .el-dropdown-link {
    36.     cursor: pointer;
    37.     color: #409EFF;
    38.   }
    39.   .el-icon-arrow-down {
    40.     font-size: 12px;
    41.   }
    42.   .demonstration {
    43.     display: block;
    44.     color: #8492a6;
    45.     font-size: 14px;
    46.     margin-bottom: 20px;
    47.   }
    48. </style>

    菜单隐藏方式

    可以hide-on-click属性来配置。

    Dropdown 下拉菜单 - 图4

    下拉菜单默认在点击菜单项后会被隐藏，将hide-on-click属性默认为false可以关闭此功能。

    1. <el-dropdown :hide-on-click="false">
    2.   <span class="el-dropdown-link">
    3.     下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
    4.   </span>
    5.   <el-dropdown-menu slot="dropdown">
    6.     <el-dropdown-item>黄金糕</el-dropdown-item>
    7.     <el-dropdown-item>狮子头</el-dropdown-item>
    8.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    9.     <el-dropdown-item disabled>双皮奶</el-dropdown-item>
    10.     <el-dropdown-item divided>蚵仔煎</el-dropdown-item>
    11.   </el-dropdown-menu>
    12. </el-dropdown>
    14. <style>
    15.   .el-dropdown-link {
    16.     cursor: pointer;
    17.     color: #409EFF;
    18.   }
    19.   .el-icon-arrow-down {
    20.     font-size: 12px;
    21.   }
    22. </style>

    指令事件

    点击菜单项后会触发事件，用户可以通过相应的菜单项 key 进行不同的操作

    Dropdown 下拉菜单 - 图5

    1. <el-dropdown @command="handleCommand">
    2.   <span class="el-dropdown-link">
    3.     下拉菜单<i class="el-icon-arrow-down el-icon--right"></i>
    4.   </span>
    5.   <el-dropdown-menu slot="dropdown">
    6.     <el-dropdown-item command="a">黄金糕</el-dropdown-item>
    7.     <el-dropdown-item command="b">狮子头</el-dropdown-item>
    8.     <el-dropdown-item command="c">螺蛳粉</el-dropdown-item>
    9.     <el-dropdown-item command="d" disabled>双皮奶</el-dropdown-item>
    10.     <el-dropdown-item command="e" divided>蚵仔煎</el-dropdown-item>
    11.   </el-dropdown-menu>
    12. </el-dropdown>
    14. <style>
    15.   .el-dropdown-link {
    16.     cursor: pointer;
    17.     color: #409EFF;
    18.   }
    19.   .el-icon-arrow-down {
    20.     font-size: 12px;
    21.   }
    22. </style>
    24. <script>
    25.   export default {
    26.     methods: {
    27.       handleCommand(command) {
    28.         this.$message('click on item ' + command);
    29.       }
    30.     }
    31.   }
    32. </script>

    不同尺寸

    Dropdown 组件提供除了默认值以外的三种尺寸，可以在不同场景下选择合适的尺寸。

    Dropdown 下拉菜单 - 图6

    额外的尺寸：medium、small、mini，通过设置size属性来配置它们。

    1. <el-dropdown split-button type="primary">
    2.   默认尺寸
    3.   <el-dropdown-menu slot="dropdown">
    4.     <el-dropdown-item>黄金糕</el-dropdown-item>
    5.     <el-dropdown-item>狮子头</el-dropdown-item>
    6.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    7.     <el-dropdown-item>双皮奶</el-dropdown-item>
    8.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    9.   </el-dropdown-menu>
    10. </el-dropdown>
    12. <el-dropdown size="medium" split-button type="primary">
    13.   中等尺寸
    14.   <el-dropdown-menu slot="dropdown">
    15.     <el-dropdown-item>黄金糕</el-dropdown-item>
    16.     <el-dropdown-item>狮子头</el-dropdown-item>
    17.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    18.     <el-dropdown-item>双皮奶</el-dropdown-item>
    19.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    20.   </el-dropdown-menu>
    21. </el-dropdown>
    23. <el-dropdown size="small" split-button type="primary">
    24.   小型尺寸
    25.   <el-dropdown-menu slot="dropdown">
    26.     <el-dropdown-item>黄金糕</el-dropdown-item>
    27.     <el-dropdown-item>狮子头</el-dropdown-item>
    28.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    29.     <el-dropdown-item>双皮奶</el-dropdown-item>
    30.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    31.   </el-dropdown-menu>
    32. </el-dropdown>
    34. <el-dropdown size="mini" split-button type="primary">
    35.   超小尺寸
    36.   <el-dropdown-menu slot="dropdown">
    37.     <el-dropdown-item>黄金糕</el-dropdown-item>
    38.     <el-dropdown-item>狮子头</el-dropdown-item>
    39.     <el-dropdown-item>螺蛳粉</el-dropdown-item>
    40.     <el-dropdown-item>双皮奶</el-dropdown-item>
    41.     <el-dropdown-item>蚵仔煎</el-dropdown-item>
    42.   </el-dropdown-menu>
    43. </el-dropdown>

    Dropdown Attributes

    参数说明类型可选值默认值
    type菜单按钮类型，同 Button 组件(只在split-button为 true 的情况下有效)string——
    size菜单尺寸，在split-button为 true 的情况下也对触发按钮生效stringmedium / small / mini—
    split-button下拉触发元素呈现为按钮组boolean—false
    placement菜单弹出位置stringtop/top-start/top-end/bottom/bottom-start/bottom-endbottom-end
    trigger触发下拉的行为stringhover, clickhover
    hide-on-click是否在点击菜单项后隐藏菜单boolean—true
    show-timeout展开下拉菜单的延时（仅在 trigger 为 hover 时有效）number—250
    hide-timeout收起下拉菜单的延时（仅在 trigger 为 hover 时有效）number—150
    tabindexDropdown 组件的 tabindexnumber—0

    Dropdown Slots

    Name说明
    —触发下拉列表显示的元素。 注意： 必须是一个元素或者或者组件
    dropdown下拉列表，通常是 <el-dropdown-menu> 组件

    Dropdown Events

    事件名称说明回调参数
    clicksplit-button 为 true 时，点击左侧按钮的回调—
    command点击菜单项触发的事件回调dropdown-item 的指令
    visible-change下拉框出现/隐藏时触发出现则为 true，隐藏则为 false

    Dropdown Menu Item Attributes

    参数说明类型可选值默认值
    command指令string/number/object——
    disabled禁用boolean—false
    divided显示分割线boolean—false
    icon图标类名string——