React Native 导航栏头部右侧按钮

static navigationOptions =  ({ navigation }) => ({
    title: `厂区码： ${navigation.state.params.codeId}`,
    //导航栏头部
    headerRight: <Button style={paddingright=10}title='修改密码' onPress="aaa"/>

    // title: `厂区码： ` + this.code,
});