<picker mode="multiSelector" bindchange="bindMultiPickerChange2" bindcolumnchange="bindMultiPickerColumnChange2" value="{{multiIndex}}" range="{{objectMultiArray}}" range-key="{{'name'}}"> <view> 当前选择：{{objectMultiArray[0][multiIndex2[0]].name}}，{{objectMultiArray[1][multiIndex2[1]].name}} </view> </picker>
Page({ /** * 页面的初始数据 */ data: { objectMultiArray: [ [ { id: 0, name: '无脊柱动物' }, { id: 1, name: '脊柱动物' } ], [ { id: 0, name: '扁性动物' }, { id: 1, name: '线形动物' }, { id: 2, name: '环节动物' }, { id: 3, name: '软体动物' }, { id: 3, name: '节肢动物' } ] ], multiIndex2: [0, 0], }, bindMultiPickerChange2: function (e) { console.log('picker发送选择改变，携带值为', e.detail.value) this.setData({ multiIndex2: e.detail.value }) }, bindMultiPickerColumnChange2: function (e) { console.log('修改的列为', e.detail.column, '，值为', e.detail.value); var data = { objectMultiArray: this.data.objectMultiArray, multiIndex2: this.data.multiIndex2 }; data.multiIndex2[e.detail.column] = e.detail.value; switch (e.detail.column) { case 0: switch (data.multiIndex2[0]) { case 0: data.objectMultiArray[1] = [ { id: 0, name: '扁性动物' }, { id: 1, name: '线形动物' }, { id: 2, name: '环节动物' }, { id: 3, name: '软体动物' }, { id: 3, name: '节肢动物' } ]; // data.multiArray[2] = ['猪肉绦虫', '吸血虫']; break; case 1: data.objectMultiArray[1] = [ { id: 0, name: '鱼' }, { id: 1, name: '线形两栖动物' }, { id: 2, name: '爬行动物' } ]; break; } data.multiIndex2[1] = 0; // data.multiIndex[2] = 0; break; } this.setData(data); } })
请记得点赞额！！！
为大家推荐现在关注度比较高的微信小程序教程一篇：《微信小程序开发教程》小编为大家精心整理的，希望喜欢。