# 官方文檔： https://uniapp.dcloud.io/component/picker.html ## template里： ``` <text>picker:</text> <picker mode="selector" :range="lanuage" @change="picChange"> <view>{{lanuage[index]}}</view> </picker> ``` ## methods里： ``` picChange(e){ this.index=e.detail.value; //獲取數組下標 給index } ``` ## data里： ``` data() { return { username:'', lanuage:['php','java','py','js','c++'], index:0 } }, ```