移动到下拉菜单上，展开更多操作。

    通过组件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。

    触发对象

    可使用按钮触发下拉菜单。

    Dropdown 下拉菜单 - 图2

    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.   .el-icon-arrow-down {
    31.     font-size: 12px;
    32.   }
    33. </style>
    35. <script>
    36.   export default {
    38.       handleClick() {
    39.         alert('button click');
    40.       }
    41.     }
    42.   }
    43. </script>

    触发方式

    可以配置 click 激活或者 hover 激活。

    在trigger属性设置为click即可。

    可以hide-on-click属性来配置。

    Dropdown 下拉菜单 - 图4

    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

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

    Dropdown Slots

    Dropdown Events