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我只是想在我的React Native iOS應用程序的屏幕上打印幾個數組。現在屏幕上沒有任何東西顯示出來。在for循環之後的console.logs顯示數組擁有應該擁有的數據,但它不會反映在屏幕上。如何在fetch調用加載後再次渲染?這裏是我的代碼:將數組打印到React Native中屏幕
'use unique'
import React, { Component } from 'react';
import {
StyleSheet,
TouchableHighlight,
Text,
View,
ListView
} from 'react-native';
import api from './apicall';
class APIRequest extends Component {
constructor() {
super();
this.state = {
users: [],
id: [],
type: []
}
}
componentWillMount() {
api.getData()
.then((res) => {
this.setState({
users: res
})
for (var i = 0; i < this.state.users.length; i++) {
this.state.id.push(this.state.users[i].id);
this.state.type.push(this.state.users[i].type);
});
}
render() {
return(
<View style={styles.container}>
<Text style={styles.buttonText}>
{this.state.id}
</Text>
</View>
);
}
}