新增在线更新功能

electron/main.js

@@ -1,6 +1,10 @@
 import path from "path";
 import { app, BrowserWindow, ipcMain } from "electron";
+
+import axios from "axios";
 import os from "os";
+import fs from "fs";
+import { exec } from "child_process";
 
 let win;
 app.whenReady().then(() => {
@@ -28,6 +32,56 @@ app.whenReady().then(() => {
     win.loadFile(path.resolve(__dirname, "../dist/index.html")); // 打包后使用文件路径访问应用
   }
 
+  const installExe = async (exePath) => {
+    return new Promise((resolve, reject) => {
+      exec(`start ${exePath}`, (error, stdout, stderr) => {
+        if (error) {
+          reject(error);
+        } else {
+          resolve(stdout);
+        }
+      });
+    });
+  };
+
+  ipcMain.on("downloadFile", async (event, arg) => {
+    let _parmas = JSON.parse(arg);
+    axios({
+      url: _parmas.url,
+      method: "get",
+      responseType: "arraybuffer",
+      onDownloadProgress: (propessEvent) => {
+        // 更新进度条
+        const propress = Math.round(
+          (propessEvent.loaded / propessEvent.total) * 100
+        );
+        win.webContents.send("updateProgress", propress);
+      },
+    })
+      .then(async (response) => {
+        try {
+          const tempFilePath = path.join(
+            app.getPath("temp"),
+            "temp-exe-file.exe"
+          );
+          fs.writeFileSync(tempFilePath, response.data);
+
+          setTimeout(() => {
+            win = null;
+            app.exit();
+          }, 1000);
+
+          const installResult = await installExe(tempFilePath);
+          console.log(`安装结果：${installResult}`);
+        } catch (error) {
+          console.log("error", error);
+        }
+      })
+      .catch((err) => {
+        console.log("下载失败", JSON.stringify(err));
+      });
+  });
+
   app.on("activate", () => {
     // 在 macOS 系统内, 如果没有已开启的应用窗口
     // 点击托盘图标时通常会重新创建一个新窗口