微信小程序picker mutiselector如何实现两级联动类别选择？
比如class数组如下
["类别1":["a","b","c"],"类别2":["d","e","f"]]
怎么通过picker来实现二级联动
网友回复
wxml
<view>
<picker mode="multiSelector" bindchange="bindMultiPickerChange"
bindcolumnchange="bindMultiPickerColumnChange" value="{{multiIndex}}" range="{{multiArray}}">
<view class="picker">{{multiArray[1][multiIndex[1]]}}▼</view>
</picker>
</view>
js
Page({
data: {
multiArray: [['类别1', '类别2'], ['a', 'b'],],
multiIndex: [0, 0],
subclass=[...点击查看剩余70%
by thinkfuture
我知道答案，我要回答
私活外包
