this.props.navigation的一些用法

render() {return (<View><Text>2</Text><Buttontitle = "跳转到指定的页面"onPress = {() => this.props.navigation.push('ChangePassword')}/><Buttontitle = "跳转到指定的页面"onPress = {() => this.props.navigation.navigate('Home')}/><Buttontitle = "返回上一个页面"onPress = {() => this.props.navigation.goBack()}/><Buttontitle = "返回第一个页面"onPress = {() => this.props.navigation.popToTop()}/></View>)}