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lc-vue-biz-select

v1.1.8

Published

异步数据选择器

Downloads

45

Readme

lc-vue-biz-select

基于Select V2 虚拟列表选择器的数据选择器,不同点是此组件的数据是通过方法获取,而不是直接通过options数据传入,同时此方法也可做为remoteMethod使用

安装

npm i lc-vue-biz-select

依赖

Demo

demo

基本使用

<script setup>
import {BizSelect} from 'lc-vue-biz-select'
import {ref} from 'vue'

const value1 = ref();

const fetchData = async ()=>{
  return [{
    label:'aaa',
    value:1
  }, {
    label:'bbb',
    value:2
  }]
}
</script>

<template>
  <el-card>
    <biz-select :fetchData='fetchData' v-model='value1'/>
  </el-card>
</template>

Api

Attributes

| 属性名 | 说明 | 类型 | 默认值 | | ---- | ---- | ---- | ---- | | fetchData | 获取下拉选择数据 | (query?:string)=>Promise<{value: number|string, label:string}[]> | () => [] | | modelValue/v-model | 选中值 | 多选:string[] | number[] ; 单选:string | number | - | | placeholder | placeholder | string | 请选择 | | multiple | 是否多选 | boolean | false | | filterable | 是否可过滤 | boolean | false | | oneLine | 是否只显示一行,针对多选场景 | boolean | false | | disabled | 是否不可用 | 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 large/default/small | default | | clearable | 是否可以清空选项 | boolean | false | | multiple-limit | 多选时用户最多可以选择的项目数, 为 0 则不限制 | number | 0 | | name | Select 输入框的原生 name 属性 | string | — | | effect | Tooltip 主题,内置了 dark / light 两种 | string | light | | autocomplete | 自动完成选择输入 | string | off | | placeholder | select input的原生autocomplete属性 | string | Please select | | filterable | 是否可筛选 | boolean | false | | allow-create | 是否允许用户创建新条目, 只有当 filterable 设置为 true 时才会生效。 | boolean | false | | reserve-keyword | 筛选时,是否在选择选项后保留关键字 | boolean | true | | no-data-text | 选项为空时显示的文本,也可以使用 empty 插槽自定义内容 | string | No Data | | popper-class | 选择器下拉菜单的自定义类名 | string | — | | teleported | 该下拉菜单是否使用teleport插入body元素 | boolean true / false | true | | persistent | 当下拉选择器未被激活并且persistent设置为false,选择器会被删除。 | boolean true / false | true | | popper-options | 自定义 popper 选项,更多请参考 popper.js | object | - | | automatic-dropdown | 对于不可过滤的 Select 组件,此属性决定是否在输入框获得焦点后自动弹出选项菜单 | boolean | false | | height | 下拉菜单的高度,每一个子选项的高度是 34px | number | 170 | | scrollbar-always-on | 是否总是展示滚动条 | boolean | false | | remote 是否从服务器搜索数据 | boolean | false | | validate-event | 输入时是否触发表单的校验 | boolean | true | | placement | 下拉框出现的位置 | string top/top-start/top-end/bottom/bottom-start/bottom-end/left/left-start/left-end/right/right-start/right-end | bottom-start |

Events

| 事件名 | 说明 | 类型 | | ---- | ---- | ---- | | update:modelValue | 选中值变化 | 多选:string[] | number[] ; 单选:string | number | | update:label | 选中文案变化 | string | | change | 选中值发生变化时触发 | val,目前的选中值 | | visible-change | 下拉框出现/隐藏时触发 | val,出现则为 true,隐藏则为 false | | remove-tag | 多选模式下移除tag时触发 | val,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 | 当选择器的输入框失去焦点时触发 | (event: FocusEvent) | | focus | 当选择器的输入框获得焦点时触发 | (event: FocusEvent) |

Slots

| 插槽名 | 说明 | | ---- | ---- | | default | 自定义 Option 模板 | | empty | 自定义当选项为空时的内容 | | prefix | 输入框的前缀 |