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@mypandora/element-select

v0.0.2

Published

一个基于 element-ui 的下拉框单选按钮组组件

Downloads

1

Readme

依赖

Vue 2.6.14+

Element-UI 2.15.8+

安装

npm install @mypandora/element-select

Select 选择器

展开下拉框,使用多个单选按钮组进行选择。

基础用法

适用广泛的基础单选 :::demo v-model的值为当前被选中的my-option的 value 属性值


<template>
  <my-select v-model="value" collapseTags placeholder="Select an option" valueKey="level">
    <my-option v-for="item in levels" :key="item.label" :optionItem="item"></my-option>
  </my-select>
</template>

<script>
  const groups = [
    { label: '全部', value: 10 },
    { label: '优秀', value: 1 },
    { label: '良好', value: 0 },
    { label: '一般', value: -1 },
    { label: '差', value: -2 },
  ];

  export default {
    data() {
      return {
        value: null,
        levels: [
          {
            level: 1,
            name: '国家',
            groups,
          },
          {
            level: 2,
            name: '省',
            groups,
          },
          {
            level: 3,
            name: '市',
            groups,
          },
          {
            level: 4,
            name: '县/区',
            groups,
          },
          {
            level: 5,
            name: '乡/镇',
            groups,
          },
          {
            level: 6,
            name: '村',
            groups,
          },
        ],
      };
    }
  }
</script>

:::

有禁用选项

:::demo 在my-option中,设定disabled值为 true,即可禁用该选项


<template>
  <my-select v-model="value" collapseTags placeholder="Select an option" valueKey="level">
    <my-option v-for="item in levels" :key="item.label" :optionItem="item"
               :disabled="item.disabled"></my-option>
  </my-select>
</template>

<script>
  const groups = [
    { label: '全部', value: 10 },
    { label: '优秀', value: 1 },
    { label: '良好', value: 0 },
    { label: '一般', value: -1 },
    { label: '差', value: -2 },
  ];
  export default {
    data() {
      return {
        value: null,
        levels: [
          {
            level: 1,
            name: '国家',
            groups,
          },
          {
            level: 2,
            name: '省',
            groups,
            disabled: true,
          },
          {
            level: 3,
            name: '市',
            groups,
          },
          {
            level: 4,
            name: '县/区',
            groups,
          },
          {
            level: 5,
            name: '乡/镇',
            groups,
          },
          {
            level: 6,
            name: '村',
            groups,
          },
        ],
      }
    }
  }
</script>

:::

禁用状态

选择器不可用状态

:::demo 为my-select设置disabled属性,则整个选择器不可用


<template>
  <my-select v-model="value" collapseTags placeholder="Select an option" valueKey="level" disabled>
    <my-option v-for="item in levels" :key="item.label" :optionItem="item"></my-option>
  </my-select>
</template>

<script>
  const groups = [
    { label: '全部', value: 10 },
    { label: '优秀', value: 1 },
    { label: '良好', value: 0 },
    { label: '一般', value: -1 },
    { label: '差', value: -2 },
  ];

  export default {
    data() {
      return {
        value: null,
        levels: [
          {
            level: 1,
            name: '国家',
            groups,
          },
          {
            level: 2,
            name: '省',
            groups,
          },
          {
            level: 3,
            name: '市',
            groups,
          },
          {
            level: 4,
            name: '县/区',
            groups,
          },
          {
            level: 5,
            name: '乡/镇',
            groups,
          },
          {
            level: 6,
            name: '村',
            groups,
          },
        ],
      }
    }
  }
</script>

:::

可清空单选

包含清空按钮,可将选择器清空为初始状态

:::demo 为my-select设置clearable属性,则可将选择器清空。需要注意的是,clearable属性仅适用于单选。


<template>
  <my-select v-model="value" collapseTags clearable placeholder="Select an option" valueKey="level">
    <my-option v-for="item in levels" :key="item.label" :optionItem="item"></my-option>
  </my-select>
</template>

<script>
  const groups = [
    { label: '全部', value: 10 },
    { label: '优秀', value: 1 },
    { label: '良好', value: 0 },
    { label: '一般', value: -1 },
    { label: '差', value: -2 },
  ];

  export default {
    data() {
      return {
        value: null,
        levels: [
          {
            level: 1,
            name: '国家',
            groups,
          },
          {
            level: 2,
            name: '省',
            groups,
          },
          {
            level: 3,
            name: '市',
            groups,
          },
          {
            level: 4,
            name: '县/区',
            groups,
          },
          {
            level: 5,
            name: '乡/镇',
            groups,
          },
          {
            level: 6,
            name: '村',
            groups,
          },
        ],
      }
    }
  }
</script>

Select Attributes

| 参数 | 说明 | 类型 | 可选值 | 默认值 | |-----------------------|-----------------------------------------------|---------------------------|-------------------|-------| | value / v-model | 绑定值 | boolean / string / number | — | — | | disabled | 是否禁用 | boolean | — | false | | value-key | 作为 value 唯一标识的键名,绑定值为对象类型时必填 | string | — | value | | size | 输入框尺寸 | string | medium/small/mini | — | | clearable | 是否可以清空选项 | boolean | — | false | | collapse-tags | 多选时是否将选中值按文字的形式展示 | boolean | — | false | | name | select input 的 name 属性 | string | — | — | | placeholder | 占位符 | string | — | 请选择 | | popper-class | Select 下拉框的类名 | string | — | — | | popper-append-to-body | 是否将弹出框插入至 body 元素。在弹出框的定位出现问题时,可将该属性设置为 false | boolean | - | true | | automatic-dropdown | 对于不可搜索的 Select,是否在输入框获得焦点后自动弹出选项菜单 | boolean | - | false | | formatter | 格式化 tag 显示的内容 | function | - | - |

Select Events

| 事件名称 | 说明 | 回调参数 | |----------------|----------------------|----------------------| | change | 选中值发生变化时触发 | 目前的选中值 | | visible-change | 下拉框出现/隐藏时触发 | 出现则为 true,隐藏则为 false | | remove-tag | 多选模式下移除tag时触发 | 移除的tag值 | | clear | 可清空的单选模式下用户点击清空按钮时触发 | — | | blur | 当 input 失去焦点时触发 | (event: Event) | | focus | 当 input 获得焦点时触发 | (event: Event) |

Select Slots

| name | 说明 | |--------|---------------| | — | Option 组件列表 | | prefix | Select 组件头部内容 | | empty | 无选项时的列表 |

Option Attributes

| 参数 | 说明 | 类型 | 可选值 | 默认值 | |---------- |-------------- |---------- |-------------------------------- |-------- | | optionItem | 选项数据 | object | — | — | | optionItemName | 选项的名称 | string | — | name | | radioGroupKey | 选项中单选按钮组的属性 | string | — | groups | | radioValue | 单选按钮的值属性 | string | — | value | | radioKey | 单选按钮的名称属性 | string | — | label | | disabled | 是否禁用该选项 | boolean | — | false |

Methods

| 方法名 | 说明 | 参数 | |-------|---------------------|----| | focus | 使 input 获取焦点 | - | | blur | 使 input 失去焦点,并隐藏下拉框 | - |