native,
这里是第一页的值。
constructor(){
super();
this.state = {
selectPickup:'',
}
}
ongNavigationDetail = ()=>{
let params = {
pickup : this.state.selectPickup
}
console.log(params)
// send to third page
}
render() {
const userLocation = this.props.navigation.getParam('pickup'); // get value from first page
return (
<CardItem header>
{/* <Text style={{ fontSize: 12}}>{userLocation}</Text> */}
<Input onChangeText={userLocation => this.setState({selectPickup:userLocation})} value={userLocation}/>
</CardItem>
<Button block info style={styles.MainBtn} onPress={this.ongNavigationDetail}>
<Text style={styles.btnText}>Next</Text>
</Button>
)}
在第二页上,我使用值[[userLocation发送第三次旅行,但是当我控制台该值未定义时,爆炸发生在哪里?
getParams
功能。也许您可以像这样简单地访问它。 this.pros.navigation.route.params