title: PickerView
sidebar_label: PickerView
嵌入页面的滚动选择器
其中只可放置 picker-view-column 组件,其它节点不会显示
参考文档
类型
ComponentType<PickerViewProps>
示例代码
export default class Picks extends Component {
constructor () {
super(...arguments)
const date = new Date()
const years = []
const months = []
const days = []
for (let i = 1990; i <= date.getFullYear(); i++) {
years.push(i)
}
for (let i = 1; i <= 12; i++) {
months.push(i)
}
for (let i = 1; i <= 31; i++) {
days.push(i)
}
this.state = {
years: years,
year: date.getFullYear(),
months: months,
month: 2,
days: days,
day: 2,
value: [9999, 1, 1]
}
}
onChange = e => {
const val = e.detail.value
this.setState({
year: this.state.years[val[0]],
month: this.state.months[val[1]],
day: this.state.days[val[2]],
value: val
})
}
render() {
return (
<View>
<View>{this.state.year}年{this.state.month}月{this.state.day}日</View>
<PickerView indicatorStyle='height: 50px;' style='width: 100%; height: 300px;' value={this.state.value} onChange={this.onChange}>
<PickerViewColumn>
{this.state.years.map(item => {
return (
<View>{item}年</View>
);
})}
</PickerViewColumn>
<PickerViewColumn>
{this.state.months.map(item => {
return (
<View>{item}月</View>
)
})}
</PickerViewColumn>
<PickerViewColumn>
{this.state.days.map(item => {
return (
<View>{item}日</View>
)
})}
</PickerViewColumn>
</PickerView>
</View>
)
}
}
PickerViewProps
参数 |
类型 |
必填 |
说明 |
value |
number[] |
否 |
数组中的数字依次表示 picker-view 内的 picker-view-column 选择的第几项(下标从 0 开始),数字大于 picker-view-column 可选项长度时,选择最后一项。 |
indicatorStyle |
string |
否 |
设置选择器中间选中框的样式 |
indicatorClass |
string |
否 |
设置选择器中间选中框的类名 |
maskStyle |
string |
否 |
设置蒙层的样式 |
maskClass |
string |
否 |
设置蒙层的类名 |
onChange |
BaseEventOrigFunction<onChangeEventDetail> |
否 |
当滚动选择,value 改变时触发 change 事件,event.detail = {{value: value} };value为数组,表示 picker-view 内的 picker-view-column 当前选择的是第几项(下标从 0 开始) |
onPickStart |
BaseEventOrigFunction<any> |
否 |
当滚动选择开始时候触发事件 |
onPickEnd |
BaseEventOrigFunction<any> |
否 |
当滚动选择结束时候触发事件 |
API 支持度
API |
微信小程序 |
百度小程序 |
支付宝小程序 |
字节跳动小程序 |
H5 |
React Native |
PickerViewProps.value |
✔️ |
✔️ |
✔️ |
✔️ |
|
|
PickerViewProps.indicatorStyle |
✔️ |
✔️ |
✔️ |
✔️ |
|
|
PickerViewProps.indicatorClass |
✔️ |
✔️ |
✔️ |
|
|
|
PickerViewProps.maskStyle |
✔️ |
✔️ |
✔️ |
✔️ |
|
|
PickerViewProps.maskClass |
✔️ |
✔️ |
✔️ |
|
|
|
PickerViewProps.onChange |
✔️ |
✔️ |
✔️ |
✔️ |
|
|
PickerViewProps.onPickStart |
✔️ |
|
|
|
|
|
PickerViewProps.onPickEnd |
✔️ |
|
|
|
|
onChangeEventDetail
API 支持度
API |
微信小程序 |
百度小程序 |
支付宝小程序 |
字节跳动小程序 |
H5 |
React Native |
PickerView |
✔️ |
✔️ |
✔️ |
✔️ |
|
|