ai-story-zip，课件模板打包

服务端 Koa

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/**
 * 奥点云直播录制功能调整
 */
const router = require('koa-router')();
const _ = require('lodash');
const axios = require('axios');
const moment = require('moment');
const { URL } = require('url')
const path = require('path');

const request = require('request')
const JSZip = require('jszip')
const newZip = new JSZip()

const api = require('./api');

let picbookJson = {}
let picbookJsonStr = ''

// 拉取Story项目模板
function getTemplate() {
    return new Promise((resolve, reject) => {
        request({
            method: 'GET',
            encoding: null,
            uri: 'http://public.yitong.com/demo/story-template/story.zip?_t=' + new Date().getTime()
        }, function (err, response, body) {
            if (err) {
                return reject(err)
            }
            resolve(body)
        })
    })
}

// 拉取临时文件列表
function getFile(json) {
    const arr = []
    json.resourceList.forEach((item, index) => {
        arr.push(new Promise((resolve, reject) => {
            request({
                method: 'GET',
                encoding: null,
                uri: item.replace('https://', 'http://')
            }, function (err, response, body) {
                if (err) {
                    return reject(err)
                }
                const arr = item.split('/') || []
                const fName = arr.length > 0 ? arr[arr.length - 1] : index
                picbookJsonStr = picbookJsonStr.replace(item, fName)
                console.log(fName, item)
                resolve({
                    name: fName,
                    body
                })
            })
        }))
    })
    return Promise.all(arr)
}

// stream 转 buffer
function streamToBuffer(stream) {
    return new Promise((resolve, reject) => {
        const buffers = []
        stream.on('error', reject)
        stream.on('data', data => buffers.push(data))
        stream.on('end', () => resolve(Buffer.concat(buffers)))
    })
}

// buffer 转 stream
// let Duplex = require('stream').Duplex

// function bufferToStream(buffer) {
//   let stream = new Duplex();
//   stream.push(buffer);
//   stream.push(null);
//   return stream;
// }


router.post('/gw/ai/zip', async (ctx) => {
    console.log(ctx.request.body)
    picbookJson = ctx.request.body
    picbookJsonStr = JSON.stringify(picbookJson)
    // 配置远端镜像路径
    picbookJson.baseUrl = ''
    const body = await getTemplate()
    if (!body) {
        ctx.body = api.error({
            code: 9,
            message: '出错啦',
            result: null
        })
        return
    }
    // 写入资源文件
    const zip = await newZip.loadAsync(body)
    // 仅支持一级相对路径，例如 'resource/'
    const resourceFile = zip.folder(picbookJson.prefix.replace('/', ''))
    const resourceObject = await getFile(picbookJson)
    resourceObject.forEach((item) => {
        resourceFile.file(item.name, item.body, { base64: true })
    })
    // 写入配置文件
    console.log('-----------', picbookJsonStr)
    picbookJson = JSON.parse(picbookJsonStr)
    zip.file('config.json', JSON.stringify({
        version: 1,
        packageDate: new Date().getTime(),
        picbook: picbookJson
    }))
    // https://stuk.github.io/jszip/documentation/howto/write_zip.html
    const stream = zip.generateNodeStream({ 
        type: 'nodebuffer', // 压缩类型选择nodebuffer，在回调函数中会返回zip压缩包的Buffer的值
        // 压缩算法
        compression: "DEFLATE",
        compressionOptions: {
            level: 9
        },
        streamFiles: true
    })
    // res.head('Content-Type', 'application/octet-stream')
    // res.header('Content-Type', 'text/plain')
    // res.write(await streamToBuffer(stream), 'utf8')
    // res.end()
    ctx.set('Content-Type', 'application/octet-stream');
    ctx.body = await streamToBuffer(stream)
})

/**
 * 查询课程录播文件
 */
router.post('/gw/aodianyun/getCourseData1', async (ctx) => {
    let { courseId } = ctx.request.body;
    const LiveLookback = Parse.Object.extend("LiveLookback");
    const search = new Parse.Query(LiveLookback);
    //search.equalTo("status", 'success');
    search.limit(2);
    const results = await search.find();
    let response = {
        list: results
    };
    ctx.body = api.ok(response);
});

module.exports = router;

服务端（Nuxt servermiddleware - Express）

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// 在具体页面中检测接口是否就绪
// const { result } = await this.$axios.$post('http://localhost:3000/api/ready')
// console.log('localhost:8000/api', result)
const JSZip = require('jszip')
const request = require('request')
const configJson = {
  baseUrl: 'https://public.yitong.com/demo/story/picbook/',
  name: 'Sharing (Story)',
  coverImageUrl: '1573803206931407.jpg',
  coverAudioUrl: '170f173622a46ff.mp3',
  wordCount: 16,
  pageContents: [
    {
      imageUrl: 'this_is_a_simple_example.jpg',
      audioUrl: 'this_is_a_simple_example.mp3',
      text: 'This is a simple example.',
      wordStartTimes: [
        100, 200, 500, 800, 1100
      ],
      translation: '这是一个样本案例。'
    },
    {
      imageUrl: '15281012820093872.jpg',
      audioUrl: '170f16a30fb178d.mp3',
      text: 'Your egg.',
      wordStartTimes: [
        490,
        1150
      ],
      translation: '你的鸡蛋。'
    },
    {
      imageUrl: '1528101315937327.jpg',
      audioUrl: '170f16a70f44791.mp3',
      text: 'Your juice.',
      wordStartTimes: [
        530,
        1200
      ],
      translation: '你的果汁。'
    },
    {
      imageUrl: '1528101341373822.jpg',
      audioUrl: '170f16aaf007cf8.mp3',
      text: 'Your cake.',
      wordStartTimes: [
        480,
        1030
      ],
      translation: '你的蛋糕。'
    },
    {
      imageUrl: '152810136774110.jpg',
      audioUrl: '170f16aea4e8cb7.mp3',
      text: 'I\u0027m hungry.',
      wordStartTimes: [
        540,
        1070
      ],
      translation: '我饿了。'
    },
    {
      imageUrl: '15281013914784154.jpg',
      audioUrl: '170f16b27602718.mp3',
      text: 'My egg!',
      wordStartTimes: [
        510,
        1190
      ],
      translation: '我的鸡蛋！'
    },
    {
      imageUrl: '15281014154594103.jpg',
      audioUrl: '170f16b640658ac.mp3',
      text: 'My juice!',
      wordStartTimes: [
        490,
        1040
      ],
      translation: '我的果汁！'
    },
    {
      imageUrl: '15281014415395255.jpg',
      audioUrl: '170f16bb14251fa.mp3',
      text: 'My cake!',
      wordStartTimes: [
        480,
        1080
      ],
      translation: '我的蛋糕！'
    },
    {
      imageUrl: '1528101466094874.jpg',
      audioUrl: '170f16bea952816.mp3',
      text: 'Yay! Candy!',
      wordStartTimes: [
        510,
        1490
      ],
      translation: '耶！糖果！'
    }
  ],
  resourceList: [
    '1573803206931407.jpg',
    'this_is_a_simple_example.jpg',
    '15281012820093872.jpg',
    '1528101315937327.jpg',
    '1528101341373822.jpg',
    '152810136774110.jpg',
    '15281013914784154.jpg',
    '15281014154594103.jpg',
    '15281014415395255.jpg',
    '1528101466094874.jpg',
    '170f173622a46ff.mp3',
    'this_is_a_simple_example.mp3',
    '170f16a30fb178d.mp3',
    '170f16a70f44791.mp3',
    '170f16aaf007cf8.mp3',
    '170f16aea4e8cb7.mp3',
    '170f16b27602718.mp3',
    '170f16b640658ac.mp3',
    '170f16bb14251fa.mp3',
    '170f16bea952816.mp3'
  ]
}
const newZip = new JSZip()

function getTemplate() {
  return new Promise((resolve, reject) => {
    request({
      method: 'GET',
      encoding: null,
      uri: 'https://public.yitong.com/demo/story-template/story.zip?_t=' + new Date().getTime()
    }, function(err, response, body) {
      if (err) {
        return reject(err)
      }
      resolve(body)
    })
  })
}

function getFile(json) {
  const arr = []
  json.resourceList.forEach(item => {
    arr.push(new Promise((resolve, reject) => {
      request({
        method: 'GET',
        encoding: null,
        uri: json.baseUrl + item
      }, function(err, response, body) {
        if (err) {
          return reject(err)
        }
        resolve({
          name: item,
          body
        })
      })
    }))
  })
  return Promise.all(arr)
}

// stream 转 buffer
function streamToBuffer (stream) {
  return new Promise((resolve, reject) => {
    const buffers = []
    stream.on('error', reject)
    stream.on('data', data => buffers.push(data))
    stream.on('end', () => resolve(Buffer.concat(buffers)))
  })
}

// buffer 转 stream
// let Duplex = require('stream').Duplex

// function bufferToStream(buffer) {
//   let stream = new Duplex();
//   stream.push(buffer);
//   stream.push(null);
//   return stream;
// }

export default async function (req, res, next) {
  // req is the Node.js http request object
  const body = await getTemplate()
  if (!body) {
    res.write(JSON.stringify({
      code: 9,
      message: '出错啦',
      result: null
    }))
    return
  }
  const zip = await newZip.loadAsync(body)
  zip.file('story.json', JSON.stringify(configJson))
  const picbook = zip.folder('picbook')
  const resources = await getFile(configJson)
  resources.forEach((item) => {
    picbook.file(item.name, item.body, { base64: true })
  })
  // https://stuk.github.io/jszip/documentation/howto/write_zip.html
  const stream = zip.generateNodeStream({ type: 'nodebuffer', streamFiles: true })
  res.setHeader('Access-Control-Allow-Origin', '*')
  res.setHeader('Access-Control-Allow-Credentials', 'true')
  res.setHeader('Access-Control-Allow-Methods', '*')
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type,Access-Token') // 这里“Access-Token”是我要传到后台的内容key
  res.setHeader('Access-Control-Expose-Headers', '*')
  // res.setHeader('Content-Type', 'application/octet-stream')
  res.setHeader('Content-Type', 'text/plain')
  // res is the Node.js http response object
  res.write(await streamToBuffer(stream), 'utf8')
  res.end()

  // next is a function to call to invoke the next middleware
  // Don't forget to call next at the end if your middleware is not an endpoint!
  // next()
}


// 参考资料：
// 【node-http】http://nodejs.cn/api/http.html#http_response_write_chunk_encoding_callback
// 【jszip】https://stuk.github.io/jszip/documentation/howto/write_zip.html
// 【file-saver】https://www.npmjs.com/package/file-saver
// 【服务器渲染中间件】https://zh.nuxtjs.org/api/configuration-servermiddleware/
// 【node - connect】https://github.com/senchalabs/connect#appusefn
// 【文件类型对照表】https://tool.oschina.net/commons/
// 【后台传输arraybuffer,前台用Uint8Array转】https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array

前端

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<template>
  <div class="main">
    <div class="submit-btn" @click="package">
      <i class="el-icon-goods"></i>
      <p>打包课件</p>
    </div>
    <UploadManagement @selected="handleSelected()" :limit="99" />
    <el-form ref="form" label-width="80px">
      <el-form-item label="课件标题">
        <el-input v-model="form.name"></el-input>
      </el-form-item>
      <el-form-item label="单词数量">
        <el-input v-model="form.wordCount"></el-input>
      </el-form-item>
      <el-form-item label="封面图片">
        <div>
          <UploadSelectManagement
            @onSuccess="handleUploadImage"
            :options="{
              limit: 1,
              mark: 'coverImageUrl',
              type: 'image/',
              file: form.coverImageUrl ? [{name: '', url: form.coverImageUrl}] : []
            }"
          />
          <!-- <UploadImage @onsuccess="handleUploadImage" :fileList="form.coverImageUrl ? [{name: '', url: form.coverImageUrl}] : []" :limit="1" /> -->
        </div>
      </el-form-item>
      <el-form-item label="封面音频">
        <UploadSelectManagement
          @onSuccess="handleUploadAudio"
          :options="{
            limit: 1,
            mark: 'coverAudioUrl',
            type: 'audio/mpeg',
            file: form.coverAudioUrl ? [{name: '', url: form.coverAudioUrl}] : []
          }"
        />
        <!-- <UploadAudio @onsuccess="handleUploadAudio" :url="form.coverAudioUrl" /> -->
      </el-form-item>
      <el-form-item label="内容区域">
        <div class="page-list">
          <div class="page-item" v-for="(item, index) in form.pageContents" :key="index">
            <span class="subscript">P{{index + 1}}</span>
            <div class="img-box">
              <img
                :src="item.imageUrl"
              >
              <div class="operate">
                <i class="el-icon-caret-top"></i>
                <i class="el-icon-edit" @click="showDialogForm($event, item, index)"></i>
                <i class="el-icon-caret-bottom"></i>
              </div>
            </div>
            <div>
              <audio :src="item.audioUrl" controls></audio>
              <h3>{{ item.text }}</h3>
              <p>{{ item.translation }}</p>
              <p>{{ item.wordStartTimes.join(',') }}</p>
            </div>
          </div>
          <div class="page-item">
            <i class="el-icon-plus add" @click="showDialogForm($event)"></i>
          </div>
        </div>
      </el-form-item>
    </el-form>
    <el-dialog title="编辑内容" :visible.sync="dialogFormVisible" :close-on-click-modal="false" :close-on-press-escape="false">
      <el-form :model="form">
        <el-form-item label="图片" :label-width="formLabelWidth">
          <UploadSelectManagement
            @onSuccess="handlePageUploadImage"
            :options="{
              limit: 1,
              mark: 'imageUrl',
              type: 'image/',
              file: pageForm.imageUrl ? [{name: '', url: pageForm.imageUrl}] : []
            }"
          />
          <!-- <UploadImage @onsuccess="handlePageUploadImage" :fileList="pageForm.imageUrl ? [{name: '', url: pageForm.imageUrl}] : []" :limit="1" /> -->
        </el-form-item>
        <el-form-item label="音频" :label-width="formLabelWidth">
          <UploadSelectManagement
            @onSuccess="handlePageUploadAudio"
            :options="{
              limit: 1,
              mark: 'audioUrl',
              type: 'audio/mpeg',
              file: pageForm.audioUrl ? [{name: '', url: pageForm.audioUrl}] : []
            }"
          />
          <!-- <UploadAudio @onsuccess="handlePageUploadAudio" :url="pageForm.audioUrl" /> -->
        </el-form-item>
        <el-form-item label="文本" :label-width="formLabelWidth">
          <el-input v-model="pageForm.text"></el-input>
        </el-form-item>
        <el-form-item label="翻译" :label-width="formLabelWidth">
          <el-input v-model="pageForm.translation"></el-input>
        </el-form-item>
        <el-form-item label="时间节点" :label-width="formLabelWidth">
          <el-input v-model="pageForm.wordStartTimes" placeholder="例如：300,600,900"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="hideDialogForm(0)">取 消</el-button>
        <el-button type="primary" @click="hideDialogForm(1)">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script lang="ts">
/** eslint-disbale */
/* global openFileDialog _ */
import moment from 'moment'
import axios from 'axios'
import UploadImage from '@/components/UploadImage/index.vue'
import UploadAudio from '@/components/UploadAudio/index.vue'
import UploadManagement from '@/components/UploadManagement/index.vue'
import UploadSelectManagement from '@/components/UploadManagement/select.vue'
import { Component, Vue, Prop } from 'vue-property-decorator'
import FileSaver from 'file-saver'

interface IPage {
  imageUrl: string
  audioUrl: string
  text: string
  wordStartTimes: string | number|string[]
  translation: string
}
@Component({
  name: 'ai-update',
  components: {
    UploadImage,
    UploadAudio,
    UploadManagement,
    UploadSelectManagement
  }
})
export default class extends Vue {
  showUploadManagement = false
  pageIndex = -1
  dialogFormVisible = false
  formLabelWidth = '120px'
  pageFormWordStartTimes = ''
  pageForm: IPage = {
    imageUrl: '',
    audioUrl: '',
    text: '',
    wordStartTimes: '',
    translation: ''
  }
  form: any = {
    baseUrl: '',
    name: '',
    prefix: 'resource/',
    coverImageUrl: '',
    coverAudioUrl: '',
    wordCount: '',
    pageContents: [
    ],
    resourceList: [
    ]
  }
  // 模板数据
  formTemplate = {
    baseUrl: 'https://public.yitong.com/demo/story/',
    prefix: 'picbook/',
    name: 'Sharing (Story)',
    coverImageUrl: '1573803206931407.jpg',
    coverAudioUrl: '170f173622a46ff.mp3',
    wordCount: 16,
    pageContents: [
      {
        imageUrl: 'this_is_a_simple_example.jpg',
        audioUrl: 'this_is_a_simple_example.mp3',
        text: 'This is a simple example.',
        wordStartTimes: [
          100, 200, 500, 800, 1100
        ],
        translation: '这是一个样本案例。'
      },
      {
        imageUrl: '15281012820093872.jpg',
        audioUrl: '170f16a30fb178d.mp3',
        text: 'Your egg.',
        wordStartTimes: [
          490,
          1150
        ],
        translation: '你的鸡蛋。'
      },
      {
        imageUrl: '1528101315937327.jpg',
        audioUrl: '170f16a70f44791.mp3',
        text: 'Your juice.',
        wordStartTimes: [
          530,
          1200
        ],
        translation: '你的果汁。'
      },
      {
        imageUrl: '1528101341373822.jpg',
        audioUrl: '170f16aaf007cf8.mp3',
        text: 'Your cake.',
        wordStartTimes: [
          480,
          1030
        ],
        translation: '你的蛋糕。'
      },
      {
        imageUrl: '152810136774110.jpg',
        audioUrl: '170f16aea4e8cb7.mp3',
        text: 'I\u0027m hungry.',
        wordStartTimes: [
          540,
          1070
        ],
        translation: '我饿了。'
      },
      {
        imageUrl: '15281013914784154.jpg',
        audioUrl: '170f16b27602718.mp3',
        text: 'My egg!',
        wordStartTimes: [
          510,
          1190
        ],
        translation: '我的鸡蛋！'
      },
      {
        imageUrl: '15281014154594103.jpg',
        audioUrl: '170f16b640658ac.mp3',
        text: 'My juice!',
        wordStartTimes: [
          490,
          1040
        ],
        translation: '我的果汁！'
      },
      {
        imageUrl: '15281014415395255.jpg',
        audioUrl: '170f16bb14251fa.mp3',
        text: 'My cake!',
        wordStartTimes: [
          480,
          1080
        ],
        translation: '我的蛋糕！'
      },
      {
        imageUrl: '1528101466094874.jpg',
        audioUrl: '170f16bea952816.mp3',
        text: 'Yay! Candy!',
        wordStartTimes: [
          510,
          1490
        ],
        translation: '耶！糖果！'
      }
    ],
     resourceList: [
      '1573803206931407.jpg',
      'this_is_a_simple_example.jpg',
      '15281012820093872.jpg',
      '1528101315937327.jpg',
      '1528101341373822.jpg',
      '152810136774110.jpg',
      '15281013914784154.jpg',
      '15281014154594103.jpg',
      '15281014415395255.jpg',
      '1528101466094874.jpg',
      '170f173622a46ff.mp3',
      'this_is_a_simple_example.mp3',
      '170f16a30fb178d.mp3',
      '170f16a70f44791.mp3',
      '170f16aaf007cf8.mp3',
      '170f16aea4e8cb7.mp3',
      '170f16b27602718.mp3',
      '170f16b640658ac.mp3',
      '170f16bb14251fa.mp3',
      '170f16bea952816.mp3'
    ]
  }
  created() {
  }
  setCoverImageUrl(list: any) {
    this.form.coverImageUrl = list && list.length > 0 ? list[0].url : ''
  }
  handleSelected(ref: string) {
    // this.$refs[ref].
  }
  resetPageForm() {
    this.pageForm = {
      imageUrl: '',
      audioUrl: '',
      text: '',
      wordStartTimes: '',
      translation: ''
    }
  }
  showDialogForm(e: any, item?: IPage, index?: number) {
    const _index = index || -1
    this.pageIndex = _index > -1 ? _index : this.form.pageContents.length
    console.log(item)
    console.log(index)
    if (item) {
      this.$set(this, 'pageForm', {
        ...item,
        wordStartTimes: (item.wordStartTimes || [] as any).join(',')
      })
    } else {
      this.resetPageForm()
    }
    this.dialogFormVisible = true
  }
  hideDialogForm(bool: boolean) {
    if (bool) {
      if (!(this.pageForm.imageUrl && this.pageForm.audioUrl && this.pageForm.text && this.pageForm.wordStartTimes && this.pageForm.translation)) {
        alert('请填写完整信息！')
        return
      }
      const params = {
        ...this.pageForm,
        wordStartTimes: (this.pageForm.wordStartTimes as any).split(',')
      }
      if (this.pageIndex > -1) {
        this.form.pageContents.splice(this.pageIndex, 1, params)
      } else {
        this.form.pageContents.push(params)
      }
    } else {
      this.resetPageForm()
    }
    this.dialogFormVisible = false
  }
  handlePageUploadImage(info?: any) {
    this.pageForm.imageUrl = info ? info.url : ''
  }
  handlePageUploadAudio(info?: any) {
    this.pageForm.audioUrl = info ? info.url : ''
  }
  handleUploadImage(info: any) {
    this.form.coverImageUrl = info ? info.url : ''
  }
  handleUploadAudio(info: any) {
    this.form.coverAudioUrl = info ? info.url : ''
  }
  async package() {
    console.log(this.form)
    this.form.resourceList = []
    this.form.coverImageUrl && this.form.resourceList.push(this.form.coverImageUrl)
    this.form.coverAudioUrl && this.form.resourceList.push(this.form.coverAudioUrl)
    this.form.pageContents.forEach((element: IPage) => {
      element.imageUrl && this.form.resourceList.push(element.imageUrl)
      element.audioUrl && this.form.resourceList.push(element.audioUrl)
    })
    const res = await axios.post('http://localhost:3000/gw/ai/zip', this.form, {
      headers: { 'Content-Type': 'application/json' },
      responseType: 'arraybuffer' }
    )
    console.log(typeof res.data)
    console.log(res.data)
    FileSaver.saveAs(new Blob([new Uint8Array(res.data)]), 'story.zip')
  }
}
</script>

<style lang="scss">
.main {
  .upload {
    line-height: 0;
    > div {
      line-height: 28px;
      font-size: 14px;
    }
  }
  .el-upload--picture-card  {
    border: none;
    height: auto;
  }
}
</style>

<style lang="scss" scoped>
.main {
  padding: 20px;
  padding: relative;
  .submit-btn {
    position: fixed;
    right: 30px;
    bottom: 20px;
    width: 120px;
    height: 120px;
    z-index: 10;
    background-color: rgb(24, 144, 255);
    color: #fff;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all .5s;
    opacity: .75;
    &:hover {
      transform: rotateY(360deg);
      opacity: 1;
    }
    cursor: pointer;
    i {
      font-size: 36px;
    }
    p {
      margin: 5px 0 0 0;
    }
  }
}
.el-input {
  width: 200px;
}
.page-list {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  audio {
    border: none;
    outline: none
  }
}
.page-item {
  border: 1px solid #ccc;
  padding: 20px 0 15px;
  width: 360px;
  height: 400px;
  text-align: center;
  position: relative;
  margin-right: 10px;
  margin-bottom: 10px;
  .add {
    font-size: 100px;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all .5s;
    cursor: pointer;
    &:hover {
      transform: rotate(180deg);
    }
  }
  audio {
    margin-top: 15px;
  }
  h3,p {
    margin: 0;
  }
  .subscript {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 40px;
    background-color: rgba($color: #000000, $alpha: 1);
    color: #fff;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 1;
  }
  .img-box {
    width:150px;
    height:200px;
    margin: 0 auto;
    position: relative;
    img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .operate {
      cursor: pointer;
      position: absolute;
      z-index: 1;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      font-size: 26px;
      color: #fff;
      transition: all .5s;
      background-color: rgba($color: #000000, $alpha: 0.5);
      opacity: .75;
      i {
        margin: 10px;
      }
      &:hover {
        background-color: rgba($color: #000000, $alpha: 0.75);
        opacity: 1;
      }
    }
  }
}
</style>
#jszip #koa
ai-story-zip，课件模板打包
http://example.com/20200915-ai-story-zip/
作者
csorz
发布于
2020年9月15日
许可协议