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今天就跟大家聊聊有關(guān)怎么在微信小程序中使用picker實(shí)現(xiàn)級(jí)聯(lián)菜單,可能很多人都不太了解,為了讓大家更加了解,小編給大家總結(jié)了以下內(nèi)容,希望大家根據(jù)這篇文章可以有所收獲。
具體內(nèi)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"> 配件類(lèi)別:{{object[index1]}} </view> </picker> </view>
data: { brands: [], objectArray: [ { brand:"博世", id: 0, array: ["博世噴油器配件", "博世傳感器", "杰克賽爾配件", "博世油泵配件", "博世共軌管配件","博世泵噴嘴"] }, { brand: "德?tīng)柛?quot;, id: 1, array: ["德?tīng)柛娪推髋浼?quot;, "德?tīng)柛鞲衅?quot;, "德?tīng)柛S捅?quot;, "德?tīng)柛9曹壒芘浼?quot;, "德?tīng)柛V清器", "德?tīng)柛k娔X版ECU", "德?tīng)柛C(jī)油", "德?tīng)柛>S修部件"] }, { brand: "卡特", id: 2, array: ["卡特傳感器", "卡特C7C9泵噴嘴","卡特共軌配件"] }, { brand: "康明斯", id: 3, array: ["西康配件", "東風(fēng)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 }) },
看完上述內(nèi)容,你們對(duì)怎么在微信小程序中使用picker實(shí)現(xiàn)級(jí)聯(lián)菜單有進(jìn)一步的了解嗎?如果還想了解更多知識(shí)或者相關(guān)內(nèi)容,請(qǐng)關(guān)注億速云行業(yè)資訊頻道,感謝大家的支持。
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