我有一个反应敏捷的项目女巫,有时我需要更新自己的资产, 我在靠近app.js的项目根目录中有一个“ app / assets”文件夹,我安装了“ react-native-fetch-blob”来下载文件,还使用它的文件系统api将其写入“ assets”文件夹中,但是我无法将其保存在文件夹中,我只能使用“ RNFetchBlob.fs.dirs.DocumentDir”,但我不知道它在哪里,也无法在我的代码中使用它, 如何将下载的文件准确地写入“资产”文件夹? 这是我的代码:
MyProp
答案 0 :(得分:1)
Use this code for download image using RNFetchBlob
more information visit
https://www.npmjs.com/package/rn-fetch-blob?activeTab=dependents
import RNFetchBlob from 'rn-fetch-blob'
type Props = {};
export default class App extends Component<Props> {
constructor(){
super();
this.state = {
download : ''
}
}
componentDidMount(){
this._testDownload();
}
_testDownload = () => {
PermissionsAndroid.request(
PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE,
{
title: "Storage",
message: "This app would like to store some files on your phone"
}
)
.then(() => {
let dirs =
`/storage/emulated/0/app/assets/`
RNFetchBlob.config({
path: dirs + '/1.png',
fileCache: true
})
.fetch("GET",' https://www.gstatic.com/webp/gallery3/1.png', {})
.then(res => {
console.log("res.data============================", res.data);
})
.catch(err => {
console.log("Error ", err);
});
}
})
}
render() {
return (
<View style={styles.container}>
<Text style={styles.welcome}>Welcome to React Native!</Text>
<Text style={styles.instructions}>To get started, edit App.js</Text>
<Text style={styles.instructions}>{this.state.download}</Text>
</View>
);
}
}