Merge branch 'zyl' of http://xny.yj-3d.com:3000/zhouyulong/electron-4 into zyl

src/main/index.ts

@@ -254,6 +254,11 @@ function createWindow(): void {
 
     event.sender.send("dirFiles", data);
   });
+  ipcMain.on("restart", (e) => {
+    closeChild();
+    app.relaunch();
+    app.exit();
+  });
 
   let _winMap = new Map();
   // 监听渲染进程创建新窗口的请求