阿里云视频上传在React中的实现

发表于

在原项目基础上进行了删减，用了antd UI库，能够显示当前上传进度，采用阿里云点播凭证方式上传，不是OSS的上传模式，可以根据官方demo进行调整

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
import React, {Component} from 'react';
import {Button, Col, Form, Icon, Input, message, Modal, Row, Select, Switch, Upload} from 'antd';
import {
  loadServiceCourseDataSet,
  loadUploadVideoAuth,
  reloadUploadVideoAuth,
  updateServiceCourseItem
} from '../../../service/course';
import LazyLoad from 'react-lazy-load';

const FormItem = Form.Item;

// 创建 上传实例 变量，多次尝试后放在这里才靠谱
var uploader;

class Update extends Component {
  constructor(props) {
    super(props);
    this.state = {
      fileList: [],
      aliVideoAuthDto: {
        requestId: '',
        uploadAddress: '',
        uploadAuth: '',
        videoId: ''
      },
      upload_progress: ''
    }
  }

  componentDidMount() {

    let _this = this;

    uploader = new VODUpload({
      // 文件上传失败
      'onUploadFailed': function (uploadInfo, code, message) {
        message.fail('上传失败，请稍后再试');
        //console.log("onUploadFailed: file:" + uploadInfo.file.name + ",code:" + code + ", message:" + message);
      },
      // 文件上传完成
      'onUploadSucceed': function (uploadInfo) {
        _this.setState({ uploading: false})
        message.success('上传成功');
        //console.log("onUploadSucceed: " + uploadInfo.file.name + ", endpoint:" + uploadInfo.endpoint + ", bucket:" + uploadInfo.bucket + ", object:" + uploadInfo.object);
      },
      // 文件上传进度
      'onUploadProgress': function (uploadInfo, totalSize, uploadedSize) {
        //console.log("onUploadProgress:file:" + uploadInfo.file.name + ", fileSize:" + totalSize + ", percent:" + Math.ceil(uploadedSize * 100 / totalSize) + "%");
        _this.setState({ upload_progress: Math.ceil(uploadedSize * 100 / totalSize) + "%"})
      },
      // STS临时账号会过期，过期时触发函数
      'onUploadTokenExpired': function () {
        message.success('上传凭证过期，请重试');
        //console.log("onUploadTokenExpired");
      },
      // 开始上传
      'onUploadstarted': function (uploadInfo) {
        _this.setState({ uploading: true });
        uploader.setUploadAuthAndAddress(uploadInfo, _this.state.aliVideoAuthDto.uploadAuth, _this.state.aliVideoAuthDto.uploadAddress);
      }
    });
    uploader.init();
  }

  normFile = (e) => {
    console.log('Upload event:', e);
    if (Array.isArray(e)) {
      return e.file;
    }
    return e && e.fileList;
  }

  doUpload = () => {
    console.log('start');
    uploader.startUpload();
  };

  render() {
    const {getFieldDecorator} = this.props.form;

    const formItemLayout = {
      labelCol: {
        xs: {span: 24},
        sm: {span: 4},
      },
      wrapperCol: {
        xs: {span: 24},
        sm: {span: 18},
      },
    };

    const uploadProps = {
      action: '//jsonplaceholder.typicode.com/posts/',
      onRemove: (file) => {
        this.setState(({fileList}) => {
          const index = fileList.indexOf(file);
          const newFileList = fileList.slice();
          newFileList.splice(index, 1);
          return {
            fileList: newFileList,
          };
        });
      },
      beforeUpload: (file) => {
        let userData = '{"Vod":{"UserData":"{"IsShowWaterMark":"false","Priority":"7"}"}}';

        console.log(file);

        this.setState({videoSize: file.size})

        uploader.addFile(file, null, null, null, userData);

        // 获取上传凭证
        loadUploadVideoAuth({
          courseItemId: this.props.data.id,
          videoName: file.name,
          videoTitle: file.name,
          videoTags: file.name,
          videoDesc: file.name,
        }).then(data => {
          this.setState({aliVideoAuthDto: data.data.aliVideoAuthDto});
        });

        this.setState(({fileList}) => ({
          fileList: [...fileList, file],
        }));

        return false;
      },
      fileList: this.state.fileList,
    };

    return (
      <Modal title="更新" visible={this.props.show} onCancel={this.props.onCancel} footer={null} width={'80%'}>
        <Row type='flex' style={{marginBottom: '5px'}}>

          <Col span={24}>
            <FormItem {...formItemLayout} label="课程视频">
              <Upload {...uploadProps}>
                <Button>
                  <Icon type="upload"/> 选择文件
                </Button>
              </Upload>
              <Button type="primary" onClick={this.doUpload} disabled={this.state.fileList.length === 0}
                      loading={this.state.uploading}>
                {this.state.uploading ? this.state.upload_progress : '开始上传'}
              </Button>
            </FormItem>
          </Col>
        </Row>
        <FormItem wrapperCol={{span: 12, offset: 4}}>
          <Button type="primary" onClick={this.handleSubmit}>提交更新</Button>
        </FormItem>
      </Modal>
    )
  }
}

export default Form.create()(Update);