flutter 仿iOSpickerview

Container(

height: SizeUtil.px2dp(500),

  alignment:Alignment.center,

  child:CupertinoPicker(

itemExtent: SizeUtil.px2dp(80),

    onSelectedItemChanged: (value){

print(widget.type+'选择的是：$selectInfo');

      setState(() {

selectInfo = {'id':pickerChildren[value].id,"name":pickerChildren[value].name};

      });

    },

    children:pickerChildren.map((data){

return Center(

child:Text(

data.name,

            style:TextStyle(fontWeight: FontWeight.bold,fontSize:14),

            textAlign:TextAlign.center,

        ),

      );

    }).toList(),

  ),

),