https://github.com/hufeng/rn-china-region-picker
    rn-china-region-picker

    1. var Region = require('rn-china-region-picker');
    2. <Region
    3. visible={false} //true展示,false不展示
    4. selectedProvince={'110000'} //初始化省,不传默认也是北京
    5. selectedCity={'110100'} //初始化市,不传默认也是北京
    6. selectedArea={'110101'} //初始化区,不传默认为东城区
    7. onSubmit={(params) => console.log(params)}
    8. onCancel={() => console.log('cancel')}
    9. />

    image.png