picker-view
嵌入页面的滚动选择器。
属性名 | 类型 | 默认值 | 说明 |
---|---|---|---|
value | NumberArray | 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。 | |
indicator-style | String | 设置选择器中间选中框的样式 | |
mask-style | String | 设置蒙层的样式 | |
bindchange | EventHandle | 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 |
picker-view-column
仅可放置于
示例
<view class="container">
<view class="page-body">
<view class="page-section">
<view>
<view style="text-align: center;">{{year}}年{{month}}月{{day}}日</view>
<picker-view style="height: 750rpx" value="{{value}}" bindchange="bindChange">
<picker-view-column style="text-align: center;">
<view :for="{{years}}">{{item}}年</view>
</picker-view-column>
<picker-view-column style="text-align: center;">
<view :for="{{months}}">{{item}}月</view>
</picker-view-column>
<picker-view-column style="text-align: center;">
<view :for="{{days}}">{{item}}日</view>
</picker-view-column>
</picker-view>
</view>
</view>
</view>
</view>
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)
}
Page({
data: {
years: years,
year: date.getFullYear(),
months: months,
month: 2,
days: days,
day: 2,
year: date.getFullYear(),
value: [9999, 1, 1],
},
bindChange: function (e) {
const val = e.detail.value
this.setData({
year: this.data.years[val[0]],
month: this.data.months[val[1]],
day: this.data.days[val[2]]
})
}
})
原文: https://developer.toutiao.com/docs/comp/picker-view.html