Created
December 18, 2019 11:46
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| import React from 'react'; | |
| import { render } from 'react-dom'; | |
| import axios from 'axios'; | |
| class App extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { | |
| selectedFile: null, | |
| percent: 0 | |
| } | |
| } | |
| onChangeFile = (e) => { | |
| this.setState({ | |
| selectedFile: e.target.files[0] | |
| }); | |
| } | |
| upload = () => { | |
| const formData = new FormData(); | |
| formData.append('image', this.state.selectedFile); | |
| axios.post('http://localhost/react_upload/upload.php', formData, { | |
| onUploadProgress: ProgressEvent => { | |
| if (ProgressEvent.loaded !== ProgressEvent.total) { | |
| this.setState({ | |
| percent: (ProgressEvent.loaded / ProgressEvent.total*100) | |
| }); | |
| } else { | |
| this.setState({ | |
| percent: 0 | |
| }); | |
| } | |
| } | |
| }); | |
| } | |
| render() { | |
| return ( | |
| <> | |
| <h1>Upload Image:</h1> | |
| <input type="file" onChange={this.onChangeFile} /> | |
| <button onClick={this.upload}>upload</button> | |
| { this.state.percent !== 0 ? <progress max="100" value={this.state.percent} /> : null } | |
| </> | |
| ); | |
| } | |
| } | |
| render( <App />, document.getElementById('root') ); |
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