优化

test-single-instance-simple.js

@@ -0,0 +1,66 @@
+const { app, BrowserWindow } = require('electron')
+const path = require('path')
+
+console.log('=== 简单单实例测试 ===')
+
+// 单实例检查
+const gotTheLock = app.requestSingleInstanceLock()
+
+if (!gotTheLock) {
+  console.log('❌ 检测到已有实例运行，退出当前实例')
+  app.quit()
+} else {
+  console.log('✅ 这是第一个实例，继续启动')
+  
+  let mainWindow = null
+  
+  // 监听第二个实例
+  app.on('second-instance', (event, commandLine, workingDirectory) => {
+    console.log('检测到第二个实例启动，激活现有实例')
+    if (mainWindow) {
+      if (mainWindow.isMinimized()) {
+        mainWindow.restore()
+      }
+      mainWindow.show()
+      mainWindow.focus()
+    }
+  })
+  
+  // 创建窗口
+  function createWindow() {
+    mainWindow = new BrowserWindow({
+      width: 800,
+      height: 600,
+      webPreferences: {
+        nodeIntegration: true,
+        contextIsolation: false
+      }
+    })
+    
+    mainWindow.loadURL('data:text/html,<h1>单实例测试</h1><p>PID: ' + process.pid + '</p><p>时间: ' + new Date().toLocaleString() + '</p>')
+    
+    console.log('窗口已创建，PID:', process.pid)
+    
+    mainWindow.on('closed', () => {
+      mainWindow = null
+    })
+  }
+  
+  app.whenReady().then(() => {
+    console.log('应用已准备就绪')
+    createWindow()
+  })
+  
+  app.on('window-all-closed', () => {
+    console.log('所有窗口已关闭')
+    if (process.platform !== 'darwin') {
+      app.quit()
+    }
+  })
+  
+  app.on('activate', () => {
+    if (BrowserWindow.getAllWindows().length === 0) {
+      createWindow()
+    }
+  })
+}