wxml
<picker class='li-input' bindchange="pickChange" value="{{sexindex}}" data-value="sexindex" range="{{sexarray}}">
<text> {{sexarray[sexindex]?sexarray[sexindex]:'请选择'}}</text>
</picker>
JS data部分
sexarray: ['男','女'],
sexindex:'',
JS 点击事件
pickChange: function (e) {//普通选择器
var that = this
let index = e.currentTarget.dataset.value
that.setData({//点击后更新数据
[index]: e.detail.value
});
// console.log('picker发送选择改变，携带下标为' + e.detail.value)
},
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