aippt生成-缩略图

src/renderer/src/AixPPTist/src/api/chat.ts

@@ -14,7 +14,8 @@ export default () => {
   const courseId = classcourse?.id // 课堂id
   const timgroupid = classcourse?.timgroupid // 群组id
   const classcourseStore = useClasscourseStore() // 课堂信息-状态管理
-  if (!ChatWs.ws) ChatWs.init()
+  // 上课状态才-初始化socket
+  if (!ChatWs.ws && !!courseId) ChatWs.init()
   // 开课消息
   const startCourse = async() => {
     // await API_classcourse.updateClasscourse({ id: classcourse.id, status: 'open' })

src/renderer/src/AixPPTist/src/views/Editor/EditorHeader/index.vue

@@ -3,7 +3,7 @@
     <div class="left">
       <Popover trigger="click" placement="bottom-start" v-model:value="mainMenuVisible">
         <template #content>
-          <FileInput accept=".pptist"  @change="files => {
+          <!-- <FileInput accept=".pptist"  @change="files => {
             importSpecificFile(files)
             mainMenuVisible = false
           }">
@@ -15,7 +15,7 @@
           }">
             <PopoverMenuItem>导入 pptx 文件</PopoverMenuItem>
           </FileInput>
-          <PopoverMenuItem @click="setDialogForExport('pptx')">导出文件</PopoverMenuItem>
+          <PopoverMenuItem @click="setDialogForExport('pptx')">导出文件</PopoverMenuItem> -->
           <PopoverMenuItem @click="resetSlides(); mainMenuVisible = false">重置幻灯片</PopoverMenuItem>
           <!-- <PopoverMenuItem @click="goLink('https://github.com/pipipi-pikachu/PPTist/issues')">意见反馈</PopoverMenuItem> -->
           <!-- <PopoverMenuItem @click="goLink('https://github.com/pipipi-pikachu/PPTist/blob/master/doc/Q&A.md')">常见问题</PopoverMenuItem> -->
@@ -54,9 +54,9 @@
           <div class="arrow-btn"><IconDown class="arrow" /></div>
         </Popover>
       </div>
-      <div class="menu-item" v-tooltip="'导出'" @click="setDialogForExport('pptx')">
+      <!-- <div class="menu-item" v-tooltip="'导出'" @click="setDialogForExport('pptx')">
         <IconDownload class="icon" />
-      </div>
+      </div> -->
       <div class="menu-item" v-tooltip="`${userStore.user.parentDeptName}-${userStore.user.nickName}`">
         <el-avatar size="small" :src="avatar" />
       </div>

src/renderer/src/utils/ppt/index.js

@@ -0,0 +1,87 @@
+/**
+ * ppt 转换为图片
+ */
+import { h, render, getCurrentInstance } from 'vue'
+import { toPng, toJpeg } from 'html-to-image' // 引入html-to-image库
+import { PPTXFileToJson } from "@/AixPPTist/src/hooks/useImport"
+import ThumbnailSlide from '@/AixPPTist/src/views/components/ThumbnailSlide/index.vue'
+import { useSlidesStore } from '@/AixPPTist/src/store'
+// 延时
+const sleep = ms => new Promise(resolve => setTimeout(resolve, ms))
+
+/**
+ * @description: 渲染组件
+ * @param {*} node 节点或属性
+ * @param {*} props 属性
+ * @param {*} children 子元素
+ * @param {*} container 容器
+ */
+const renderComponent = (node, props = {}, children, container) => {
+  let vNode, body
+  if (!node) throw new Error('vNode is required')
+  if (typeof container == 'string') {
+    if (node == 'slide') {
+      vNode = h(ThumbnailSlide, props, children)
+    } else throw new Error('vNode has no corresponding component')
+  } else {
+    vNode = h(node, props, children)
+  }
+  if (!container) body = document.body // 默认为body
+  else { // 判断是否为字符串
+    if (typeof container == 'string') {
+      body = document.querySelector(container)
+    } else {
+      body = container
+    }
+  }
+  return render(vNode, body)
+}
+
+/**
+ * @description: 幻灯片转换为图片
+ *  提示：icon组件找不到是应为 h() 渲染是底层创建的虚拟节点，找不到全局组件
+ * @param {*} slides  幻灯片数据
+ * @param {*} options 配置 number 为幻灯片宽度 | object 为配置项
+ * @returns 
+ */
+export const slidesToImg = (slides = [], options) => {
+  let width, option, ispng = true
+  if (typeof options =='number'){width = options; option = {}}
+  else {const { width: w, isPng, ...opt } = options;width = w; ispng=isPng; option = opt}
+  const slidesStore = useSlidesStore()
+  !!width && slidesStore.setViewportSize(width) // 设置幻灯片宽度
+  return new Promise(async(resolve) => {
+    const instance = getCurrentInstance()
+    console.log('instance', instance)
+    const slidesDom = []
+    for(const slide of slides) {
+      const props = { class: 'c-thumbnail', slide, size: 120, ...option }
+      const node = h(ThumbnailSlide, props)
+      slidesDom.push(node)
+    }
+    // 渲染组件到body
+    const props = { class: 'c-thumbnails', style:{position:'absolute',top:0,left:'-200vw'}}
+    renderComponent('div', props, slidesDom)
+    let imgs = []
+    const toImag = ispng? toPng : toJpeg
+    for(const slide of slidesDom) {
+      const img = await toImag(slide.el)
+      imgs.push(img)
+    }
+    // console.log('ppt生成图片: ', imgs)
+    // console.log('图片已生成，正在卸载组件')
+    !!width && slidesStore.setViewportSize(1000) // 设置幻灯片宽度-恢复
+    render(null, document.body) // 卸载组件
+    resolve(imgs)
+  })
+}
+/**
+ * description: ppt 文件转换为图片
+ * @param {*} file file 为文件对象| arrayBuffer 为数组
+ * @param {*} options 配置 number 为幻灯片宽度 | object 为配置项
+ * @returns 
+ */
+export const pptToImg = async(file, options) => {
+  const { slides } = await PPTXFileToJson(file)
+  return slidesToImg(slides, options)
+}

src/renderer/src/views/model/index.vue

@@ -83,6 +83,8 @@ import useUserStore from '@/store/modules/user' // 用户信息
 import ChooseTextbook from '@/components/choose-textbook/index.vue'
 import KjListItem from '@/views/prepare/container/kj-list-item.vue'
 import FileImage from '@/components/file-image/index.vue'
+import progressDialog from '@/views/teachingDesign/container/progress-dialog.vue'
+import ThumbnailSlide from '@/AixPPTist/src/views/components/ThumbnailSlide/index.vue'
 import {creatAPT, getSmarttalkPage, getModelInfo} from '@/api/file'
 import {ArrowDown, Flag, Position} from '@element-plus/icons-vue'
 import {asyncLocalFile, parseCataByNode} from "@/utils/talkFile";
@@ -94,11 +96,11 @@ import {createWindow, toLinkLeftWeb} from "@/utils/tool";
 import {ElMessage} from "element-plus";
 import {PPTXFileToJson} from "@/AixPPTist/src/hooks/useImport";
 import * as API_entpcoursefile from "@/api/education/entpcoursefile";
-import progressDialog from '@/views/teachingDesign/container/progress-dialog.vue'
 import msgUtils from "@/plugins/modal";
 import * as commUtils from "@/utils/comm";
 import * as Api_server from "@/api/apiService"; // 学科名字文生图
 import useClassTaskStore from '@/store/modules/classTask'
+import { slidesToImg } from '@/utils/ppt' // ppt相关工具
 
 const router = useRouter()
 const userStore = useUserStore().user // 用户信息
@@ -278,12 +280,14 @@ const handleFileChange = ()=> {
     createAIPPTByFile(file)
   }
 }
-
+// ppt文件转PPT线上数据
 const createAIPPTByFile = async (file)=> {
-  pgDialog.value.visible = true
+  // pgDialog.value.visible = true
-  pgDialog.value.pg.percentage = 0
+  // pgDialog.value.pg.percentage = 0
   const resPptJson = await PPTXFileToJson(file)
   const { def, slides, ...content } = resPptJson
+  // 生成缩略图
+  const thumbnails = await slidesToImg(slides, content.width)
   // 转换图片|音频|视频 为线上地址
   let completed = 0
   const total = slides.length
@@ -335,6 +339,7 @@ const createAIPPTByFile = async (file)=> {
           entpcourseid: resCourse.id,
           title: '',
           filetype: 'slide',
+          thumbnails, // 缩略图-列表
           slides: resSlides,
           edituserid: userStore.userId
         }

src/renderer/src/views/teachingDesign/container/right.vue

@@ -95,6 +95,7 @@ import * as API_smarttalk from '@/api/file' // 文件相关api
 import msgUtils from '@/plugins/modal'
 import { getEntpcoursefile } from '@/api/education/entpcoursefile'
 import { createWindow } from '@/utils/tool' // 消息工具
+import { slidesToImg } from '@/utils/ppt' // ppt相关工具
 
 const userStore = useUserStore()
 const pptDialog = ref(false)
@@ -314,6 +315,7 @@ const prompt = ref('')
 
 
 const addAiPPT = async (res) => {
+  // res = { url: 'https://bjcdn.openstorage.cn/xinghuo-privatedata/%2Ftmp/apiTempFileba724e0344f74e1480535eedf3ebec661601807661085006275/%E9%87%91%E9%A9%AC%E5%A5%96%E5%B0%B4%E5%B0%AC%E4%BA%8B%E4%BB%B6%E5%88%86%E6%9E%90%E4%B8%8E%E5%BA%94%E5%AF%B9%E7%AD%96%E7%95%A5.pptx' }
   let node = courseObj.node
   pptDialog.value = false;
   if (!node) return msgUtils.msgWarning('请选择章节?')
@@ -332,6 +334,8 @@ const addAiPPT = async (res) => {
     .then(async buffer => {
       const resPptJson = await PPTXFileToJson(buffer)
       const { def, slides, ...content } = resPptJson
+      // 生成缩略图
+      const thumbnails = await slidesToImg(slides, content.width)
       // 转换图片|音频|视频 为线上地址
       let completed = 0
       const total = slides.length
@@ -351,7 +355,7 @@ const addAiPPT = async (res) => {
         const smarttalk = await HTTP_SERVER_API('addSmarttalk', { fileId: parentid })
         if (slides.length > 0) {
           const resSlides = slides.map(({ id, ...slide }) => JSON.stringify(slide))
-          const params = { parentid, filetype: 'slide', title: '', slides: resSlides }
+          const params = { parentid, filetype: 'slide', title: '', thumbnails, slides: resSlides }
           const res_3 = await HTTP_SERVER_API('batchAddNew', params)
           if (res_3 && res_3.code == 200) {
             msgUtils.msgSuccess('生成PPT课件成功')