2015-09-01 00:52:34 +08:00
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# 完全控制的上传列表
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- order: 2
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使用 `fileList` 对列表进行完全控制,可以实现各种自定义功能,以下演示三种情况:
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1) 上传列表数量的限制。
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2) 读取远程路径并显示链接。
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3) 按照服务器返回信息筛选成功上传的文件。
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---
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````jsx
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2015-10-28 20:55:49 +08:00
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import { Upload, Button, Icon } from 'antd';
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const MyUpload = React.createClass({
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2015-09-01 00:52:34 +08:00
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getInitialState() {
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return {
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2015-11-25 17:35:49 +08:00
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fileList: [{
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uid: -1,
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name: 'xxx.png',
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status: 'done',
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url: 'http://www.baidu.com/xxx.png'
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}]
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2015-09-01 00:52:34 +08:00
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};
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},
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handleChange(info) {
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let fileList = info.fileList;
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// 1. 上传列表数量的限制
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// 只显示最近上传的一个,旧的会被新的顶掉
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2015-09-01 11:26:33 +08:00
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fileList = fileList.slice(-2);
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2015-09-01 00:52:34 +08:00
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// 2. 读取远程路径并显示链接
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2016-01-23 15:22:16 +08:00
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fileList = fileList.map((file) => {
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2015-09-01 00:52:34 +08:00
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if (file.response) {
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// 组件会将 file.url 作为链接进行展示
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2016-01-15 15:41:47 +08:00
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file.url = file.response.url;
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2015-09-01 00:52:34 +08:00
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}
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return file;
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});
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// 3. 按照服务器返回信息筛选成功上传的文件
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2016-01-23 15:22:16 +08:00
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fileList = fileList.filter((file) => {
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2015-09-01 00:52:34 +08:00
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if (file.response) {
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2016-01-15 15:41:47 +08:00
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return file.response.status === 'success';
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2015-09-01 00:52:34 +08:00
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}
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return true;
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});
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2015-11-25 17:35:49 +08:00
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this.setState({ fileList });
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2015-09-01 00:52:34 +08:00
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},
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render() {
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2015-10-28 20:55:49 +08:00
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const props = {
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2015-09-01 00:52:34 +08:00
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action: '/upload.do',
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2015-09-09 14:58:17 +08:00
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onChange: this.handleChange,
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multiple: true
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2015-09-01 00:52:34 +08:00
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};
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2016-01-07 16:29:12 +08:00
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return (
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<Upload {...props} fileList={this.state.fileList}>
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<Button type="ghost">
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<Icon type="upload" /> 点击上传
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</Button>
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</Upload>
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);
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2015-09-01 00:52:34 +08:00
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}
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});
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2015-12-29 12:08:58 +08:00
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ReactDOM.render(<MyUpload />, mountNode);
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2015-09-01 00:52:34 +08:00
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````
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