文件下载，文件复制，文件使用本地默认程序打开的API基础实现

package.json

@@ -20,6 +20,8 @@
   "dependencies": {
     "@electron-toolkit/preload": "^3.0.1",
     "@electron-toolkit/utils": "^3.0.0",
+    "crypto-js": "^4.2.0",
+    "electron-dl-manager": "^3.0.0",
     "electron-updater": "^6.1.7",
     "element-plus": "^2.7.6",
     "js-cookie": "^3.0.5",

src/main/file.js

@@ -0,0 +1,97 @@
+const fs = require('fs')
+const path = require('path')
+import { ElectronDownloadManager } from 'electron-dl-manager';
+const manager = new ElectronDownloadManager();
+export default async function ({ app, shell, BrowserWindow, ipcMain }) {
+
+  const userDataPath = app.getPath('userData')
+  //默认浏览器打开url
+  ipcMain.on('open-url-browser', (e, url) => {
+    shell.openPath(url)
+  })
+  //使用默认应用打开本地文件
+  ipcMain.on('open-path-app', (e, path) => {
+    shell.openExternal(path)
+  })
+
+  //复制文件
+  ipcMain.on('copy-file-default', (e, { source, destination }) => {
+    copyFile(source, destination, (error, filePath) => {
+      e.reply('copy-file-default-reply', { error, filePath })
+    })
+  })
+
+  //下载文件
+  ipcMain.on('download-file-default', (e,url) => {
+    createFolder('selfFile').then(async ()=>{
+      const browserWindow = BrowserWindow.fromId(e.sender.id)
+      const id = await manager.download({
+        window: browserWindow,
+        url: url,
+        directory: userDataPath + '/selfFile/',
+        callbacks: {
+          onDownloadStarted: async ({ id, item, webContents }) => {
+            // Do something with the download id
+          },
+          onDownloadProgress: async ({ id, item, percentCompleted }) => {
+            browserWindow.webContents.invoke('download-progress', {
+              id,
+              percentCompleted,
+              // Get the number of bytes received so far
+              bytesReceived: item.getReceivedBytes(),
+            });
+          },
+          onDownloadCompleted: async ({ id, item }) => {
+            console.log(item)
+          },
+          onDownloadCancelled: async () => {},
+          onDownloadInterrupted: async () => {},
+          onError: (err, data) => {},
+        }
+      });
+    })
+  })
+
+  function copyFile(source, destination, callback) {
+    let path = userDataPath + '\\selfFile\\' + destination
+    createFolder('selfFile').then(() => {
+      const readStream = fs.createReadStream(source)
+      const writeStream = fs.createWriteStream(path)
+
+      readStream.on('error', (error) => {
+        callback(error, null)
+      })
+      writeStream.on('error', (error) => {
+        callback(error, null)
+      })
+      writeStream.on('close', () => {
+        callback(null, path)
+      })
+
+      readStream.pipe(writeStream)
+    })
+  }
+
+  function createFolder(folderName) {
+    return new Promise((resolve, reject) => {
+      const folderPath = path.join(userDataPath, folderName)
+      // 异步检查文件夹是否存在，不存在则创建
+      fs.access(folderPath, fs.constants.F_OK, (err) => {
+        if (err) {
+          fs.mkdir(folderPath, { recursive: true }, (mkdirErr) => {
+            if (mkdirErr) {
+              console.error(mkdirErr)
+              reject()
+            } else {
+              console.log(`Folder ${folderName} created successfully.`)
+              resolve()
+            }
+          })
+        } else {
+          console.log(`Folder ${folderName} already exists.`)
+          resolve()
+        }
+      })
+    })
+  }
+}

src/main/index.js

@@ -2,7 +2,9 @@ import { app, shell, BrowserWindow, ipcMain } from 'electron'
 import { join } from 'path'
 import { electronApp, optimizer, is } from '@electron-toolkit/utils'
 import icon from '../../resources/icon.png?asset'
+import File from './file'
 
+File({ app, shell, BrowserWindow, ipcMain })
 function createWindow() {
   // Create the browser window.
   const mainWindow = new BrowserWindow({
@@ -102,7 +104,6 @@ ipcMain.on('close-window', () => {
   const win = BrowserWindow.getFocusedWindow();
   win.close();
 });
-console.log(100)
 ipcMain.on('set-winsize', (e, {x, y})=>{
   const win = BrowserWindow.getFocusedWindow();
   win.setSize(x,y);

src/renderer/src/components/file-upload/index.vue

@@ -4,8 +4,9 @@
     :action="uploadUrl"
     name="file"
     :headers="headers"
-    :data="uploadData"
+    :data="uploadDatas"
     :show-file-list="false"
+    :before-upload="beforeUpload"
     class="editor-img-uploader"
   >
     <slot>
@@ -15,6 +16,7 @@
 </template>
 <script>
 import { getToken } from '@/utils/auth'
+import CryptoJS from 'crypto-js';
 export default {
   name: 'Prepare',
   props: {
@@ -25,6 +27,7 @@ export default {
   },
   data() {
     return {
+      uploadDatas: this.uploadData,
       uploadUrl: import.meta.env.VITE_APP_BASE_API + '/smarttalk/file/upload',
       headers: {
         Authorization: 'Bearer ' + getToken()
@@ -33,7 +36,20 @@ export default {
   },
   created() {},
   mounted() {},
-  methods: {}
+  methods: {
+    beforeUpload(file) {
+      const fileReader = new FileReader();
+      console.log(file)
+      fileReader.onload = (e) => {
+        const buffer = e.target.result;
+        const md5 = CryptoJS.MD5(buffer).toString();
+        console.log('文件的MD5是:', md5);
+        this.uploadDatas.md5 = md5;
+        // 在这里可以使用md5进行后续操作，例如校验是否已上传等
+      };
+      fileReader.readAsArrayBuffer(file);
+    }
+  }
 }
 </script>
 <style scoped lang="scss"></style>

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

@@ -1 +1 @@
-<template>
  <div>
    <FileUpload
      :multiple="true"
      :before-upload="handleBeforeUpload"
      :upload-data="uploadData"
    ></FileUpload>
  </div>
</template>
<script>
import FileUpload from '@/components/file-upload/index.vue'
export default {
  name: 'Prepare',
  components: { FileUpload },
  data() {
    return {
      uploadData: {
        textbookId: '123',
        levelFirstId: '123',
        levelSecondId: '123',
        fileSource: '平台',
        fileFlag: '课件'
      }
    }
  },
      :upload-data="uploadData"
      :upload-data="uploadData"
      :upload-data="uploadData"
    ></FileUpload>
  methods: {
      :upload-data="uploadData"
</template>
      :upload-data="uploadData"
<script>
)
    }
  }
}
</script>
<style scoped lang="scss"></style>
+<template>
  <div>
    <FileUpload
      :multiple="true"
      :      :upload-data="uploadData"
import FileUpload from '@/components/file-upload/index.vue'
    ></FileUpload>
  </div>
</template>
<script>
import FileUpload from '@/components/file-upload/index.vue'
const { ipcRenderer } = window.electron || {}
export default {
  name: 'Prepare',
  components: { FileUpload },
  data() {
    return {
      fileUrl: "https://wzyzoss.eos-chongqing-3.cmecloud.cn/2024/7/10/117cdf208c6b4e58bf2b73369eaf3cb5.pptx",
      filePath: "C:/Users/zhuhao/Desktop/工作文档/0901高一【数学(人教A版)】集合的概念-PPT课件.pptx",
      uploadData: {
        textbookId: '123',
        levelFirstId: '123',
        levelSecondId: '123',
        fileSource: '平台',
        fileFlag: '课件'
      }
    }
  },
  created() {
    ></FileUpload>
      :upload-data="uploadData"
    ipcRenderer.on('copy-file-default-reply', (e,param)=>{
      this.callback(param)
    })
      :upload-data="uploadData"
before-upload="handleBeforeUpload"
  mounted() {
    // const destination = '0901高一【数学(人教A版)】集合的概念-PPT课件.pptx'
    setTimeout(()=>{
      // ipcRenderer.send('open-path-app',this.filePath)
      // const source = 'D:\\edufile\\0901高一【数学(人教A版)】集合的概念-PPT课件.pptx'
      // ipcRenderer.send('copy-file-default',{ source, destination })
  </div>
      :upload-data="uploadData"
  </div>
    ></FileUpload>
  },
  methods: {
    callback({error, filePath}) {
  </div>
</template>
  </div>
<script>
        return
      }
      console.log('File copied to:', filePath)
    }
  }
}
</script>
<style scoped lang="scss"></style>