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4.5 KiB
4.5 KiB
checkbox
Instructions
多选框组
属性说明
多选项。在1组check-group中可选择多个
Syntax
- 使用
<checkbox />(或<checkbox></checkbox>,当需要包裹子节点时)。 - 遇到平台差异时,建议使用条件编译(
#ifdef / #endif)显式处理。
Properties
See official docs for full properties list: https://uniapp.dcloud.net.cn/component/checkbox.html
Events
| 事件名 | 类型 | 默认值 | 说明 |
|---|---|---|---|
| @change | EventHandle | 中选中项发生改变是触发 change 事件,detail = {value:[选中的checkbox的value的数组]} |
Platform Compatibility
See official docs for platform support table: https://uniapp.dcloud.net.cn/component/checkbox.html
Examples
Example (Example 1)
<!-- 本示例未包含完整css,获取外链css请参考上文,在hello uni-app项目中查看 -->
<template>
<view>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-title uni-common-mt">默认样式</view>
<view>
<checkbox-group>
<label>
<checkbox value="cb" :checked="true" />选中
</label>
<label>
<checkbox value="cb" />未选中
</label>
</checkbox-group>
</view>
<view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
<view>
<checkbox-group>
<label>
<checkbox value="cb" :checked="true" color="#FFCC33" style="transform:scale(0.7)" />选中
</label>
<label>
<checkbox value="cb" color="#FFCC33" style="transform:scale(0.7)" />未选中
</label>
</checkbox-group>
</view>
</view>
<view class="uni-padding-wrap">
<view class="uni-title uni-common-mt">
推荐展示样式
<text>\n使用 uni-list 布局</text>
</view>
</view>
<view class="uni-list">
<checkbox-group @change="checkboxChange">
<label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
<view>
<checkbox :value="item.value" :checked="item.checked" />
</view>
<view>{{item.name}}</view>
</label>
</checkbox-group>
</view>
</view>
</template>
Example (Example 2)
<!-- 本示例未包含完整css,获取外链css请参考上文,在hello uni-app项目中查看 -->
<template>
<view>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-title uni-common-mt">默认样式</view>
<view>
<checkbox-group>
<label>
<checkbox value="cb" :checked="true" />选中
</label>
<label>
<checkbox value="cb" />未选中
</label>
</checkbox-group>
</view>
<view class="uni-title uni-common-mt">不同颜色和尺寸的checkbox</view>
<view>
<checkbox-group>
<label>
<checkbox value="cb" :checked="true" color="#FFCC33" style="transform:scale(0.7)" />选中
</label>
<label>
<checkbox value="cb" color="#FFCC33" style="transform:scale(0.7)" />未选中
</label>
</checkbox-group>
</view>
</view>
<view class="uni-padding-wrap">
<view class="uni-title uni-common-mt">
推荐展示样式
<text>\n使用 uni-list 布局</text>
</view>
</view>
<view class="uni-list">
<checkbox-group @change="checkboxChange">
<label class="uni-list-cell uni-list-cell-pd" v-for="item in items" :key="item.value">
<view>
<checkbox :value="item.value" :checked="item.checked" />
</view>
<view>{{item.name}}</view>
</label>
</checkbox-group>
</view>
</view>
</template>
Example (Example 3)
<script>
export default {
data() {
return {
title: 'checkbox 复选框',
items: [{
value: 'USA',
name: '美国'
},
{
value: 'CHN',
name: '中国',
checked: 'true'
},
{
value: 'BRA',
name: '巴西'
},
{
value: 'JPN',
name: '日本'
},
{
value: 'ENG',
name: '英国'
},
{
value: 'FRA',
name: '法国'
}
]
}
},
methods: {
checkboxChange: function (e) {
var items = this.items,
values = e.detail.value;
for (var i = 0, lenI = items.length; i < lenI; ++i) {
const item = items[i]
if(values.includes(item.value)){
this.$set(item,'checked',true)
}else{
this.$set(item,'checked',false)
}
}
}
}
}
</script>
Example (Example 4)
<style>
.uni-list-cell {
justify-content: flex-start
}
</style>
Reference: Official Documentation