本文实例为大家分享了微信小程序实现级联菜单的具体代码，供大家参考，具体内容如下
<view >
<picker bindchange="bindPickerChange0" value="{{brandindex}}" range="{{brands}}">
<view class="picker">
品牌：{{brands[brandindex]}}
</view>
</picker>
</view>
<view >
<picker bindchange="bindPickerChange1" value="{{index1}}" range="{{object}}">
<view class="picker">
配件类别：{{object[index1]}}
</view>
</picker>
</view>
data: {
brands: [],
objectArray: [
{
brand:"博世",
id: 0,
array: ["博世喷油器配件", "博世传感器", "杰克赛尔配件", "博世油泵配件", "博世共轨管配件","博世泵喷嘴"]
},
{
brand: "德尔福",
id: 1,
array: ["德尔福喷油器配件", "德尔福传感器", "德尔福油泵", "德尔福共轨管配件", "德尔福滤清器", "德尔福电脑版ECU", "德尔福机油", "德尔福维修部件"]
},
{
brand: "卡特",
id: 2,
array: ["卡特传感器", "卡特C7C9泵喷嘴","卡特共轨配件"]
},
{
brand: "康明斯",
id: 3,
array: ["西康配件", "东风康明斯","福田康明斯"]
}
],
object:[],
brandindex:0,
index1:0
},
onLoad:function(){
var objectArray = this.data.objectArray
var brands=[]
for (var i = 0; i < objectArray.length;i++){
brands.push(objectArray[i].brand,)
}
this.setData({ brands: brands ,object: objectArray[this.data.brandindex].array})
},
bindPickerChange0: function (e) {
this.setData({ brandindex: e.detail.value, index1:0 })
var objectArray = this.data.objectArray
this.setData({ object: objectArray[this.data.brandindex].array})
},
bindPickerChange1: function (e) {
this.setData({
index1: e.detail.value
})
},
效果图：
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。