src/renderer/src/components/pdf/index copy.vue

@@ -1,8 +1,18 @@
-<template>
+pdfAdnFabric<template>
   <div class="canvasitem">
-    <div class="pdfAdnFabric" id="pdfAdnFabric">
+    <div class="pdfAdnFabric" id="pdfAdnFabric" >
-      <canvas id="pdf-fabric"></canvas>
+      <!-- @touchmove="handleTouchMove"
-      <canvas id="pdf-fabric1" v-if="props.pdfObj.numberOfPdf == 2"></canvas>
+            @touchend="handleTouchEnd"
+            @mousedown="handleMouseDown"
+            @mousemove="handleMouseMove"
+            @mouseup="handleMouseUp" -->
+      <div :class="ispointer ? 'ispointer' : ''">
+        <canvas ref="fabriccanvas" />
+      </div>
+      <!-- style="pointer-events: none;" -->
+      <div v-if="props.pdfObj.numberOfPdf === 2" :class="ispointer ? 'ispointer' : ''">
+        <canvas ref="fabriccanvas1" />
+      </div>
     </div>
   </div>
 </template>
@@ -13,12 +23,20 @@ import {
   onMounted,
   watch,
   reactive,
+  defineProps,
+  defineExpose,
   nextTick,
+  defineEmits,watchEffect
 } from 'vue'
-import { fabric } from 'fabric'
+// import { fabric } from 'fabric'
 import { ElMessage } from 'element-plus'
 import { handleevent, savecanvsStore, initcanvasdata, displayData } from '@/utils/pdfAndFabric'
+import { fabricVue, TYPES } from '@/plugins/fabric'
+import { updateSmartBookMarkContent, addsmartBookMark,getBookMarkById } from '@/api/eTextbook/index'
+import {useToolState} from '@/store/modules/tool'
+const { ipcRenderer } = require('electron')
 
+const toolState = useToolState();
 const props = defineProps({
   pdfObj: {
     type: Object,
@@ -29,13 +47,16 @@ const props = defineProps({
     }
   }
 })
+const ispointer = ref(false) //是否画笔模式
 // canvas的所有数据
 const canvsStore = reactive({
-  id: 'xxxx',
   pageArr: []
 })
 const fabriccanvas = ref(null)
 const fabriccanvas1 = ref(null)
+
+const canvasFabricVue = ref(null)
+const canvas1FabricVue = ref(null)
 // 页面总数
 const numPagesTotal = ref(0)
 const imgarr = ref([])
@@ -47,9 +68,9 @@ const renderPage = async (canvasobj) => {
   const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
   // 渲染当前页
   const page = await pdf.getPage(canvasobj.page)
-  var screenWidth = window.innerWidth/2-100;
+  var screenWidth = window.innerWidth / 2 - 100
-  var screenHeight = window.innerHeight;
+  var screenHeight = window.innerHeight
-  const viewport = page.getViewport({ scale:2})
+  const viewport = page.getViewport({ scale: 2 })
 
   const canvasElement = canvasobj.canvas
   canvasElement.width = viewport.width
@@ -58,6 +79,8 @@ const renderPage = async (canvasobj) => {
     canvasContext: canvasobj.context,
     viewport: viewport
   }
+  // console.log(renderContext,22222222222222222222)
+
   page.render(renderContext).promise.then((res) => {
     const img = document.createElement('img')
     img.src = canvasobj.canvas.toDataURL('image/png')
@@ -68,34 +91,76 @@ const renderPage = async (canvasobj) => {
       // 根据传过来的pdf对象 判断改渲染哪一个fabric
       if (props.pdfObj.numberOfPdf == 2) {
         if (canvasobj.index == 0) {
-        
+          canvasFabricVue.value.canvas.setWidth(screenWidth)
-          fabriccanvas.value.setWidth(screenWidth)
+          canvasFabricVue.value.canvas.setHeight(screenHeight)
-          fabriccanvas.value.setHeight(screenHeight)
+          // updateCanvasBackgroundImage(canvasFabricVue,img)
-          displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
+          displayData(canvasFabricVue, canvsStore, canvasobj, fabric, img)
         } else {
-          fabriccanvas1.value.setWidth(screenWidth)
+          canvas1FabricVue.value.canvas.setWidth(screenWidth)
-          fabriccanvas1.value.setHeight(screenHeight)
+          canvas1FabricVue.value.canvas.setHeight(screenHeight)
-          displayData(fabriccanvas1, canvsStore, canvasobj, fabric, img)
+          displayData(canvas1FabricVue, canvsStore, canvasobj, fabric, img)
         }
       } else {
-        fabriccanvas.value.setWidth(screenWidth)
+        canvasFabricVue.value.canvas.setHeight(screenHeight)
-        fabriccanvas.value.setHeight(screenHeight)
+        displayData(canvasFabricVue, canvsStore, canvasobj, fabric, img)
-        displayData(fabriccanvas, canvsStore, canvasobj, fabric, img)
       }
-      // console.log(imgarr.value)
       img.remove()
     }
-      // 判断imgarr的JSONdata在canvsStore.pageArr有没有
+    // 判断imgarr的JSONdata在canvsStore.pageArr有没有
-      canvsStore.pageArr.forEach((item) => {
+    //   canvsStore.pageArr.forEach((item) => {
-      if (item.page == canvasobj.page) {
+    //   if (item.page == canvasobj.page) {
-        imgarr.value.forEach((img) => {
+    //     imgarr.value.forEach((img) => {
-          if (img.page == canvasobj.page) {
+    //       if (img.page == canvasobj.page) {
-            img.JSONdata = item.JSONdata
+    //         img.JSONdata = item.JSONdata
-          }
+    //       }
-        })
+    //     })
+    //   }
+    // })
+  })
+}
+// 保存数据
+const savaDataStore = () => {
+  if(!toolState.isToolWin){
+    toolState.isPdfWin=false
+      toolState.showBoardAll=true //恢复默认值
+      ipcRenderer.invoke('tool-sphere:reset') //重置tool状态
+      ipcRenderer.send('open-PDF:minimize')
+      return
+  } 
+  imgarr.value.forEach((a) => {
+    if (a.index == 0) {
+      a.JSONdata = canvasFabricVue.value.canvas.toJSON()
+    } else {
+      a.JSONdata = canvas1FabricVue.value.canvas.toJSON()
+    }
+  })
+    const nameMap = new Map(canvsStore.pageArr.map((item) => [item.page, item.id]))
+    // 创建一个用于存储所有异步操作的数组
+    let promises = []
+    imgarr.value.forEach((item) => {
+      if (nameMap.has(item.page)) {
+        const params = {
+          id: nameMap.get(item.page),
+          contentData: JSON.stringify(item.JSONdata.objects)
+        }
+        promises.push(updateSmartBookMarkContent([params]))  
+      } else {
+        promises.push(addsmartBookMark({
+          pageNum: item.page,
+          contentData: JSON.stringify(item.JSONdata.objects),
+          bookId: props.pdfObj.bookId,
+          type: '教材',
+          source: 'smarttalk'
+        }))
+        
       }
     })
-  })
+    Promise.all(promises).then(res=>{
+      toolState.isPdfWin=false
+      toolState.showBoardAll=true //恢复默认值
+      ipcRenderer.invoke('tool-sphere:reset') //重置tool状态
+      ipcRenderer.send('open-PDF:minimize')
+    })
 }
 const updatePage = (canvasobj) => {
   renderPage(canvasobj)
@@ -105,16 +170,55 @@ const loadPdf = async (canvasobj) => {
 }
 
 const initPdf = async (type = 'default') => {
+  imgarr.value.forEach((a) => {
+    if (a.index == 0) {
+      a.JSONdata = canvasFabricVue.value.canvas.toJSON()
+    } else {
+      a.JSONdata = canvas1FabricVue.value.canvas.toJSON()
+    }
+  })
+  // 判断是否翻页以及工具窗口是否打开  满足 翻页+打开工具才能保存数据
+  if (type != 'default' && toolState.isToolWin) {
+    const nameMap = new Map(canvsStore.pageArr.map((item) => [item.page, item.id]))
+    // 创建一个用于存储所有异步操作的数组
+    let promises = []
+    imgarr.value.forEach((item) => {
+      if (nameMap.has(item.page)) {
+        const params = {
+          id: nameMap.get(item.page),
+          contentData: JSON.stringify(item.JSONdata.objects)
+        }
+        promises.push(updateSmartBookMarkContent([params]))  
+      } else {
+        promises.push(addsmartBookMark({
+          pageNum: item.page,
+          contentData: JSON.stringify(item.JSONdata.objects),
+          bookId: props.pdfObj.bookId,
+          type: '教材',
+          source: 'smarttalk'
+        }))
+        
+      }
+    })
+    Promise.all(promises).then(res=>{
+      getBookMarkById(props.pdfObj.bookId).then(res=>{
+            const pageArr=getUniqueArrayByLastOccurrence(res.data)
+            canvsStore.pageArr=[]
+            pageArr.forEach((a) => {
+              canvsStore.pageArr.push({ page: a.pageNum, id: a.id, JSONdata: a.contentData })
+            })
+          })
+    })
+  }
   // 保存数据
-   savecanvsStore(imgarr, canvsStore)
+  //  savecanvsStore(imgarr, canvsStore)
-  // initcanvasdata(fabriccanvas)
+
-  // initcanvasdata(fabriccanvas1)
+  if (props.pdfObj.numberOfPdf == 1) {
-  // 单页模式
+    // imgarr.value[0]
-  if (type == 'restone') {
+    canvasFabricVue.value.history.clean()
-    // 清除 canvas 上的所有对象
+  } else {
-    fabriccanvas1.value.clear()
+    canvasFabricVue.value.history.clean()
-    // 释放 canvas 的资源
+    canvas1FabricVue.value.history.clean()
-    fabriccanvas1.value.dispose()
   }
   // 清除现有 canvas 元素的内容
   canvasNumbsValue.value.forEach((canvasObj) => {
@@ -146,7 +250,6 @@ const initPdf = async (type = 'default') => {
         } else {
           canvasNumbsValue.value[i].page = props.pdfObj.numPages + 1
         }
-
         canvasNumbsValue.value[i].index = i
         // 加载FabricVue
         await loadPdf(canvasNumbsValue.value[i])
@@ -154,47 +257,144 @@ const initPdf = async (type = 'default') => {
     }
   }
 }
+//根据page去重
+const getUniqueArrayByLastOccurrence=(array)=> {
+  const uniqueItems = array.reduce((acc, current) => {
+    // 使用 Map 来跟踪最后一个出现的 pageNum 和它的对象
+    acc.set(current.pageNum, current);
+    return acc;
+  }, new Map());
+
+  // 将 Map 的值转换回数组
+  const resultArray = Array.from(uniqueItems.values());
+
+  return resultArray;
+}
 const initPdfone = async () => {
-  setTimeout(() => {
+  setTimeout(async () => {
-    fabriccanvas1.value = new fabric.Canvas('pdf-fabric1')
+    const option = { freeDrawingCursor: 'default' }
-    fabriccanvas1.value.isDrawingMode = true
+    const canvas2 = new fabricVue()
-    fabriccanvas1.value.freeDrawingBrush.color = '#A33AFE'
+    await canvas2.initCanvas(fabriccanvas1.value, option)
-    fabriccanvas1.value.freeDrawingCursor = 'default'
+    canvas2.canvas.setWidth(window.innerWidth / 2 - 100)
-    fabriccanvas1.value.setWidth(860)
+    canvas1FabricVue.value = canvas2
-    handleevent(fabriccanvas1.value, imgarr, 'two')
+    await initPdf('addOnePage')
   }, 0)
-  initPdf('addOnePage')
 }
 onMounted(async () => {
   try {
+    // 创建canvas转化成图片
     const pdf = await pdfjsLib.getDocument(props.pdfObj.pdfUrl).promise
     numPagesTotal.value = pdf.numPages
-    // console.log(pdf)
     //   初始化fabriccanvas
-    fabriccanvas.value = new fabric.Canvas('pdf-fabric')
+    const option = { freeDrawingCursor: 'default' }
-    fabriccanvas.value.setWidth(860)
+    const canvas1 = new fabricVue()
-    fabriccanvas.value.isDrawingMode = true
+    // canvas1.boardConfig.mode= TYPES.ActionMode.OTHER
-    fabriccanvas.value.freeDrawingBrush.color = '#A33AFE'
+    // canvas1.boardConfig.mode= TYPES.ActionMode.ERASE
-    fabriccanvas.value.freeDrawingCursor = 'default'
+    await canvas1.initCanvas(fabriccanvas.value, option)
-
+    canvas1.canvas.setWidth(window.innerWidth / 2 - 100)
-    fabriccanvas1.value = new fabric.Canvas('pdf-fabric1')
+    canvasFabricVue.value = canvas1
-    fabriccanvas1.value.isDrawingMode = true
+    const canvas2 = new fabricVue()
-    fabriccanvas1.value.freeDrawingBrush.color = '#A33AFE'
+    await canvas2.initCanvas(fabriccanvas1.value, option)
-    fabriccanvas1.value.freeDrawingCursor = 'default'
+    canvas2.canvas.setWidth(window.innerWidth / 2 - 100)
-    fabriccanvas1.value.setWidth(860)
+    // canvas2.canvas.isDrawingMode=false
+    canvas1FabricVue.value = canvas2
+    window.test = { canvas1, canvas2 }
     emit('update:numPagesTotal', pdf.numPages)
-    initPdf()
+
+    if (props.pdfObj.allPageData.length) {
+      props.pdfObj.allPageData.forEach((a) => {
+        if (a.pageNum == 1 || a.pageNum == 2) {
+          canvsStore.pageArr.push({ page: a.pageNum, id: a.id, JSONdata: a.contentData })
+        }
+      })
+    }
+    await initPdf()
   } catch (error) {
     console.log(error)
     ElMessage.error('pdf文件错误')
   }
+  setToolStatus()
   // 监听2个canvas事件
-  handleevent(fabriccanvas.value, imgarr)
+  // handleevent(fabriccanvas.value, imgarr)
-  handleevent(fabriccanvas1.value, imgarr, 'two')
+  // handleevent(fabriccanvas1.value, imgarr, 'two')
 })
+// zdg: 设置-底部工具栏-状态
+const setToolStatus = () => {
+  toolState.showBoardAll = false
+}
+// 判断元素是否加载完成 
+const handleMode = (vale,type)=>{
+  if(vale=='select'){
+    ispointer.value=true
+  }else{
+    ispointer.value=false
+  }
+  switch(vale) {
+    case 'select':  // 选择模式
+    canvasFabricVue.value?.handleMode(TYPES.ActionMode.OTHER)
+    canvas1FabricVue.value?.handleMode(TYPES.ActionMode.OTHER)
+      break
+    case 'brush':   // 画笔模式
+    canvasFabricVue.value?.handleMode(TYPES.ActionMode.DRAW)
+    canvasFabricVue.value.canvas.freeDrawingCursor = 'default'
+    canvas1FabricVue.value?.handleMode(TYPES.ActionMode.DRAW)
+    canvas1FabricVue.value.canvas.freeDrawingCursor = 'default'
+      break
+    case 'erase':  // 板擦模式
+    canvasFabricVue.value?.handleMode(TYPES.ActionMode.ERASE)
+    canvas1FabricVue.value?.handleMode(TYPES.ActionMode.ERASE)
+      break
+    case 'clear':   // 清空画布 
+        clearCanvas()
+    // canvas1FabricVue.value.history?.clean()
+      break
+  }
+}
+// 清空canvas
+const clearCanvas=()=>{
+  if(canvasFabricVue.value){
+    const objects = canvasFabricVue.value.canvas.getObjects();
+        objects.forEach((obj) => {
+          // 检查对象是否是背景
+          if (obj !== canvasFabricVue.value.canvas.backgroundImage) {
+            // 删除背景之外的对象
+            canvasFabricVue.value.canvas.remove(obj);
+          }
+        });
+
+        canvasFabricVue.value.canvas.renderAll();
+  }
+  if(canvas1FabricVue.value){
+    const objects = canvas1FabricVue.value.canvas.getObjects();
+        objects.forEach((obj) => {
+          // 检查对象是否是背景
+          if (obj !== canvas1FabricVue.value.canvas.backgroundImage) {
+            // 删除背景之外的对象
+            canvas1FabricVue.value.canvas.remove(obj);
+          }
+        });
+
+        canvas1FabricVue.value.canvas.renderAll();
+  }
+}
+const watchToolState=()=>{
+  if(toolState.showBoardAll){
+    setTimeout(() => {
+      toolState.showBoardAll=false
+    }, 200);
+  }
+  // 加载工具
+  handleMode(toolState.model)
+
+}
 defineExpose({
   initPdf,
-  initPdfone
+  initPdfone,
+  savaDataStore
+})
+watchEffect(() => {
+  console.log(toolState.model,'监听')
+  watchToolState() //监听工具栏
 })
 </script>
 
@@ -204,6 +404,8 @@ defineExpose({
   flex-wrap: wrap;
   width: 100%;
   justify-content: center;
+  overflow: hidden;
+  max-height: 100vh;
 }
 .pdfAdnFabric {
   position: relative;
@@ -214,4 +416,7 @@ defineExpose({
     margin-right: 10px;
   }
 }
+.ispointer {
+  pointer-events: none;
+}
 </style>

src/renderer/src/components/pdf/index.vue

@@ -1,15 +1,9 @@
 pdfAdnFabric<template>
   <div class="canvasitem">
     <div class="pdfAdnFabric" id="pdfAdnFabric" >
-      <!-- @touchmove="handleTouchMove"
-            @touchend="handleTouchEnd"
-            @mousedown="handleMouseDown"
-            @mousemove="handleMouseMove"
-            @mouseup="handleMouseUp" -->
       <div :class="ispointer ? 'ispointer' : ''">
         <canvas ref="fabriccanvas" />
       </div>
-      <!-- style="pointer-events: none;" -->
       <div v-if="props.pdfObj.numberOfPdf === 2" :class="ispointer ? 'ispointer' : ''">
         <canvas ref="fabriccanvas1" />
       </div>
@@ -80,7 +74,10 @@ const renderPage = async (canvasobj) => {
     viewport: viewport
   }
   // console.log(renderContext,22222222222222222222)
-
+  // const textContent = await page.getTextContent();
+  // console.log(textContent);
+  // const annotations = await page.getAnnotations();
+  // console.log(annotations);
   page.render(renderContext).promise.then((res) => {
     const img = document.createElement('img')
     img.src = canvasobj.canvas.toDataURL('image/png')
@@ -106,22 +103,12 @@ const renderPage = async (canvasobj) => {
       }
       img.remove()
     }
-    // 判断imgarr的JSONdata在canvsStore.pageArr有没有
-    //   canvsStore.pageArr.forEach((item) => {
-    //   if (item.page == canvasobj.page) {
-    //     imgarr.value.forEach((img) => {
-    //       if (img.page == canvasobj.page) {
-    //         img.JSONdata = item.JSONdata
-    //       }
-    //     })
-    //   }
-    // })
   })
 }
 // 保存数据
 const savaDataStore = () => {
   if(!toolState.isToolWin){
-    toolState.isPdfWin=false
+      toolState.isPdfWin=false
       toolState.showBoardAll=true //恢复默认值
       ipcRenderer.invoke('tool-sphere:reset') //重置tool状态
       ipcRenderer.send('open-PDF:minimize')
@@ -393,8 +380,16 @@ defineExpose({
   savaDataStore
 })
 watchEffect(() => {
-  console.log(toolState.model,'监听')
+  console.log(toolState.isToolWin,'监听')
-  watchToolState() //监听工具栏
+  console.log(toolState,'监听111')
+  if(toolState.isToolWin){
+    ispointer.value=false
+  }else{
+    ispointer.value=true
+  }
+  if(toolState.isPdfWin){
+    watchToolState() //监听工具栏
+  }
 })
 </script>
 

src/renderer/src/utils/pdfAndFabric copy.js

@@ -1,133 +0,0 @@
-// 所有事件
-export function handleevent(canvas, imgarr, type = 'defalut') {
-  // // 鼠标按下
-  // canvas.on('mouse:down', function (e) {})
-  // // // 监听鼠标移动事件
-  // //     canvas.on('mouse:move', (options) => {
-  // //         console.log('Mouse move event:', options);
-  // //     });
-
-  // // 监听鼠标释放事件
-  // canvas.on('mouse:up', (options) => {
-  //   //判断是点击的哪一个
-  //   if (type == 'defalut') {
-  //     if (imgarr.value[0].index == 0) {
-  //       imgarr.value[0].JSONdata = canvas.toJSON()
-  //     }
-  //     if (imgarr.value[1]?.index == 0) {
-  //       imgarr.value[1].JSONdata = canvas.toJSON()
-  //     }
-  //   } else {
-  //     if (imgarr.value[0].index == 1) {
-  //       imgarr.value[0].JSONdata = canvas.toJSON()
-  //     }
-  //     if (imgarr.value[1]?.index == 1) {
-  //       imgarr.value[1].JSONdata = canvas.toJSON()
-  //     }
-  //   }
-  //   console.log(imgarr.value)
-
-  // })
-}
-//   保存数据
-export function savecanvsStore(imgarr, canvsStore) {
-  // canvsStore.pageArr = mergeAndReplace(canvsStore.pageArr, imgarr.value)
-}
-//   重显数据
-export function displayData(canvas, canvsStore, canvasobj, fabric, img) {
-  // // 初始化
-  // if (!canvsStore.pageArr.length) {
-  //   fabric.Image.fromURL(img.src, (img) => {
-  //     img.set({
-  //       left: 0,
-  //       top: 0,
-  //       scaleX: canvas.value.width / img.width,
-  //       scaleY: canvas.value.height / img.height
-  //     })
-  //     canvas.value.setBackgroundImage(img, canvas.value.renderAll.bind(canvas.value))
-  //   })
-  //   return
-  // }
-  // canvsStore.pageArr.forEach((item) => {
-  //   //初始化
-  //   if (item.page == canvasobj.page) {
-  //       // canvas.value.clear() // 清除 Canvas
-  //   //   console.log(item.JSONdata, '找到一样的数据')
-  //     canvas.value.loadFromJSON(item.JSONdata, () => {
-  //       // 在所有对象加载完成后重新渲染画布
-  //       canvas.value.renderAll.bind(canvas.value)
-  //       canvas.value.renderAll()
-  //       // requestAnimationFrame(() => {
-  //       //   // 渲染所有对象
-       
-  //       // })
-  //     })
-  //   } else {
-  //     // 使用 requestAnimationFrame 来更新画布，确保在下一帧进行重绘
-  //     //  // 清除 Canvas
-  //     canvas.value.clear()
-  //     requestAnimationFrame(function () {
-  //       fabric.Image.fromURL(img.src, (img) => {
-  //         img.set({
-  //           left: 0,
-  //           top: 0,
-  //           scaleX: canvas.value.width / img.width,
-  //           scaleY: canvas.value.height / img.height
-  //         })
-  //         canvas.value.setBackgroundImage(img, canvas.value.renderAll.bind(canvas.value))
-  //       })
-  //       // 渲染所有对象
-  //       canvas.value.renderAll.bind(canvas.value)
-  //       canvas.value.renderAll()
-  //     })
-  //   }
-  // })
-}
-
-//page 一样替换
-const mergeAndReplace = (arr1, arr2) => {
-  // // 用于存储替换后的数组
-  // const resultArray = array1.map(item1 => {
-  //   // 在 array2 中查找 page 相同的对象
-  //   const replacement = array2.find(item2 => item2.page == item1.page);
-  //   // 如果找到替换对象，则返回替换对象，否则返回原对象
-  //   return replacement ? replacement : item1;
-  // });
-
-  // // 将 array2 中 page 不在 array1 中的对象追加到结果数组中
-  // array2.forEach(item2 => {
-  //   const existsInArray1 = array1.some(item1 => item1.page == item2.page);
-  //   if (!existsInArray1) {
-  //     resultArray.push(item2);
-  //   }
-  // });
-
-  // return resultArray;
-
-  // 创建一个映射，将 arr2 中的对象按 page 属性存储
-  let map = new Map(arr2.map((item) => [item.page, item]))
-
-  // 使用 map 替换 arr1 中相应 page 的对象，并添加 arr2 中的对象
-  arr1 = arr1.map((item) => (map.has(item.page) ? map.get(item.page) : item))
-
-  // 将 map 中存在但 arr1 中不存在的对象添加到 arr1
-  for (let [page, obj] of map) {
-    if (!arr1.some((item) => item.page === page)) {
-      arr1.push(obj)
-    }
-  }
-  return arr1
-}
-
-//   初始化数据
-export function initcanvasdata(canvas) {
-  canvas.value.clear() // 清除 Canvas
-  // 设置画布的背景色或其他属性
-  canvas.value.backgroundColor = 'rgba(255, 255, 255, 1)' // 白色背景
-
-  // 使用 requestAnimationFrame 来更新画布，确保在下一帧进行重绘
-  requestAnimationFrame(function () {
-    // 渲染所有对象
-    canvas.value.renderAll.bind(canvas.value)
-  })
-}

src/renderer/src/utils/tool.js

@@ -82,6 +82,7 @@ export function ipcHandle(fn,key, cb) {
  * @param {*} data 参数
  * @returns
  */
+let winPdf=null
 export const createWindow = async (type, data) => {
   if (!type) return console.error('createWindow: type is null')
   switch(type) {
@@ -117,12 +118,19 @@ export const createWindow = async (type, data) => {
       }
       data.isConsole = true // 是否开启控制台
       data.option = {...defOption, ...option}
+      if(winPdf){    //判断是否已经打开
+          // if (winPdf.isMinimized()) winPdf.restore();
+            winPdf.focus();
+            // toolState.isPdfWin=true
+            return
+        }
       const win = await toolWindow(data)
       win.type = type  // 唯一标识
       win.show()
       win.setFullScreen(true) // 设置窗口为全屏
       // win.webContents.openDevTools() // 打开调试工具
       eventHandles(type, win) // 事件监听处理
+      winPdf=win
       break
     }
     default:
@@ -189,7 +197,7 @@ const eventHandles = (type, win) => {
   // 公共方法
   const publicMethods = ({onClosed}={}) => {
     // 监听主窗口-关闭事件
-    mainWin.once('close', () => {win.destroy()})
+    mainWin.once('close', () => {winPdf=null;win.destroy();})
     win.on('closed', () => {
       if(onClosed) onClosed() // 自定义关闭事件
       win = null
@@ -217,8 +225,12 @@ const eventHandles = (type, win) => {
       break}
     case 'open-PDF': {
        // 最小化窗口 minimize()
-       Remote.ipcMain.once('open-PDF:minimize', () => {win&&win.destroy()})
+       Remote.ipcMain.once('open-PDF:minimize', () => {
-       publicMethods() // 加载公共方法
+        winPdf=null
+        win&&win.destroy()
+        // win&&win.minimize(); //缩小功能
+       })
+        publicMethods() // 加载公共方法
       break}
     default:
       break

src/renderer/src/views/classBegins/index.vue

@@ -40,9 +40,6 @@ import { getStaticUrl } from '@/utils/tool'
 const { ipcRenderer } = require('electron')
 import { getBookMarkById } from '@/api/eTextbook/index'
 import {useToolState} from '@/store/modules/tool'
-//  const getStaticUrl=(url)=>{
-//   return url
-//  }
 pdfjsLib.GlobalWorkerOptions.workerSrc = getStaticUrl('/lib/build/pdf.worker.mjs')
 const toolState = useToolState();
 const route = useRoute();
@@ -108,7 +105,8 @@ const switchPageMode = () => {
 }
 onMounted(async () => { 
   toolState.isPdfWin=true
-  pdfObj.pdfUrl = getStaticUrl(route.query.path, 'user', 'selfFile', true)
+  // pdfObj.pdfUrl = getStaticUrl(route.query.path, 'user', 'selfFile', true)
+  pdfObj.pdfUrl = getStaticUrl('aaa.pdf', 'user', 'selfFile', true) //本地
   textbookId.value = route.query.textbookId
   pdfObj.bookId=textbookId.value
   getBookMarkById(textbookId.value).then(res=>{

src/renderer/src/views/prepare/index.vue

@@ -173,7 +173,7 @@ export default {
       timerId: null,
       // 布置作业弹窗
       setDialog: false,
-      row: ''
+      row: '',
     }
   },
   computed: {
@@ -536,9 +536,10 @@ export default {
     // 打开PDF-课件
     async navtoPdf() {
       const toolStore = useToolState()
-      if (toolStore.isPdfWin) return this.$message.error('您当前已打开课本，请勿重复操作')
+      // if (toolStore.isPdfWin) return this.$message.error('您当前已打开课本，请勿重复操作')
       let path = await this.getBookPathFromServer()
       path=path.replace(/^.*[\\\/]/, '');
+      console.log(path)
       // console.log(this.uploadData.textbookId) 
       createWindow('open-PDF', { url: '/classBegins/index?textbookId='+this.uploadData.textbookId+'&path='+ path })
     },