241 lines
8.2 KiB
Markdown
241 lines
8.2 KiB
Markdown
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# customthree-tree-select 使用指南
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**提示：** 使用该插件前确保你已经导入 `uni-popup` `uni-icons` `uni-easyinput` 插件。
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**有问题可以加 QQ 群：297080738**
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## 优势
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💪：基于 `uni-popup`、 `uni-icons`、 `uni-easyinput` 插件进行开发，默认样式与 `uni-easyinput` 样式对标。
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⚡：全面支持懒加载应对大量数据。
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🚀：v-model 绑定数据、数据回显、移除选项。
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⚙ ：提供更多配置项。
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📦：开箱即用。
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## Props
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| 属性名 | 类型 | 默认值 | 说明 |
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| :--------------------: | :-----------------: | :-------------: | :----------------------------------------------------------: |
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| canSelectAll | Boolean | false | 开启一键全选功能 |
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| clearResetSearch | Boolean | false | 设置为 `true` 并且搜索之后，点击输入框清除按钮，会清空搜索内容并且会直接重置整个弹窗内树形选择器内容，默认情况下只有清除之后再次进行查询才会重置选择器 |
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| animation | Boolean | ture | 是否开启弹窗动画 |
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| is-mask-click | Boolean | true | 点击遮罩关闭弹窗 |
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| mask-background-color | String | rgba(0,0,0,0.4) | 蒙版颜色，建议使用 rgba 颜色值 |
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| background-color | String | none | 主窗口背景色 |
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| safe-area | Boolean | true | 是否适配底部安全区 |
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| **choseParent** | **Boolean** | **false** | **父节点是否可选** |
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| **linkage** | **Boolean** | **false** | **父子节点是否联动** |
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| placeholder | String | 请选择 | 空状态信息提示、弹窗标题 |
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| confirmText | String | 完成 | 确定按钮文字 |
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| confirmTextColor | String | #007aff | 确定按钮文字颜色 |
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| dataSource | Array | - | 展示的数据 |
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| **dataLabel** | **String** | **name** | **dataSource 中对应数据的 label** |
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| **dataValue** | **String** | **id** | **dataSource 中对应数据的 value** |
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| **dataChildren** | **String** | **children** | **dataSource 中对应数据的 children** |
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| clearable | Boolean | false | 是否显示清除按钮，点击清除所有已选项 |
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| **mutiple** | **Boolean** | **false** | **是否可以多选** |
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| **disabled** | **Boolean** | **false** | **是否允许修改** |
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| search | Boolean | false | 是否可以搜索（常用于数据较多的情况） |
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| showChildren | Boolean | false | 默认不展开（数据内部 showChildren 属性优先级更高，可以设置全局收起，单独展开某一条数据） |
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| border | Boolean | false | 显示引导线 |
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| load | Function | function(){} | lazyLoadChildren 设置为true 后，点击某个节点发送请求获取子节点数据，用法见下方异步懒加载示例 |
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| lazyLoadChildren | Boolean | false | 是否开启异步懒加载节点 |
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| **v-model/modelValue** | **Array \| String** | **[ ]** | **已选择的值，通过 v-model 进行绑定，例如：v-model="formData.selectedList" ，根据你绑定数据的类型自动返回相同类型的数据，String 类型通过 `,` 进行分隔** |
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| deleteSource | Boolean | false | 是否可删除已选数据
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## Events
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| 事件名称 | 说明 | 返回值 |
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| ----------------- | ------------------------ | ------------------------------------------- |
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| change | 弹窗组件状态发生变化触发 | e={show: true ｜ false,type:当前模式} |
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| maskClick | 点击遮罩层触发 | |
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| update:modelValue | 选中数据或取消选中时触发 | 以数组形式返回已选择数据的 dataValue 对应值 |
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| select-change | 选中数据或取消选中时触发 | 以数组形式返回选中数据完整信息 |
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| removeSelect | 从选择框内删除元素时触发 | |
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## 基础使用示例
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```vue
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<template>
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<customthree-tree-select :listData="listData" v-model="formData.selectedArr" />
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<customthree-tree-select :listData="listData" v-model="formData.selectedString" />
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</template>
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<script setup>
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import { reactive } from 'vue'
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const formData = reactive({
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selectedArr: [],
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selectedString: ''
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})
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const listData = [
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{
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id: 1,
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name: '城市1',
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children: [
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{
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id: 3,
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name: '街道1',
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children: [
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{
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id: 4,
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name: '小区1'
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}
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]
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}
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]
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},
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{
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id: 2,
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name: '城市2',
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children: [
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{
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id: 6,
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name: '街道2'
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}
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]
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}
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]
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</script>
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```
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## 禁用某些选项，或隐藏某些选项
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```vue
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<template>
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<customthree-tree-select
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mutiple
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linkage
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clearable
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search
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dataLabel="text"
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dataValue="value"
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:listData="listData"
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v-model="formData.selected"
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></custom-tree-select>
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</template>
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<script setup>
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import { reactive } from 'vue'
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const formData = reactive({
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selected: ''
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})
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const listData = [
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{
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id: 1,
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name: '城市1',
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children: [
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{
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id: 3,
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name: '街道1',
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disabled: true
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children: [
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{
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id: 4,
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name: '小区1'
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}
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]
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}
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]
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},
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{
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id: 2,
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name: '城市2',
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children: [
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{
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id: 6,
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name: '街道2',
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visible: false
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}
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]
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}
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]
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</script>
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```
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## 异步懒加载
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```vue
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<template>
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<view class="content">
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<customthree-tree-select
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search
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linkage
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clearable
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clearResetSearch
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border
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mutiple
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lazyLoadChildren
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canSelectAll
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:showChildren="false"
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:listData="listData"
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:load="loadNode"
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dataLabel="text"
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dataValue="value"
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v-model="selectedStr"
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></customthree-tree-select>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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selectedStr: '',
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listData: [
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{
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value: '0',
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text: '测试懒加载'
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},
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{
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value: '1',
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text: '城市1',
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children: [
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{
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value: '1-1',
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text: '街道1',
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disabled: true
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}
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]
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}
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]
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}
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},
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methods: {
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loadNode(node) {
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return new Promise((resolve) => {
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setTimeout(() => {
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const item = this.listData.find((item) => item.value === node.value)
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if (item) {
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resolve([
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{
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value: '0-1',
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text: '懒加载子元素'
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}
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])
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}
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resolve([])
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}, 500)
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})
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}
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}
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}
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</script>
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<style>
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.content {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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</style>
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```
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