基于electron+vue+element构建项目模板之【自定义标题栏&右键菜单项篇】


1、概述

开发平台OS:windows

开发平台IDE:vs code

本篇章将介绍自定义标题栏和右键菜单项,基于electron现有版本安全性的建议,此次的改造中主进程和渲染进程彼此语境隔离,通过预加载(preload.js)和进程间通信(ipc)的方式来完成。

2、窗口最大化

 一些应用在实际情况中,希望启动的时候就以窗口最大化的方式呈现,BrowserWindow对象提供了窗口最大化的方法:win.maximize(),具体如下所示:

 

  const win = new BrowserWindow({
    //窗体宽度(像素),默认800像素
    width: 800,
    //窗体高度(像素),默认600像素
    height: 600,
    //窗口标题,如果在加载的 HTML 文件中定义了 HTML 标签 ``,则该属性将被忽略。</span>
<span style="color: rgba(0, 0, 0, 1)">    title: `${process.env.VUE_APP_NAME}(${process.env.VUE_APP_VERSION})`,
    webPreferences: {
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Use pluginOptions.nodeIntegration, leave this alone</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> See nklayman.github.io/vue-cli-plugin-electron-builder/guide/security.html#node-integration for more info</span>
<span style="color: rgba(0, 0, 0, 1)">      nodeIntegration: process.env.ELECTRON_NODE_INTEGRATION,
      contextIsolation: </span>!<span style="color: rgba(0, 0, 0, 1)">process.env.ELECTRON_NODE_INTEGRATION,
    },
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体最大化</span>
  win.maximize();</pre>

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<p>通过设置后,启动应用就会发现,最大化的过程中会出现黑底闪屏,这样会给用户造成困扰。</p>
<p style="margin: 0"></p>
<p style="margin: 0"> </p>
<p style="margin: 0">造成这个现象的原因是实例化窗体的时候,默认显示了窗口,然后再最大化,从默认窗口大小到最大化窗口大小的这个过程中窗体还没绘制好,就会出现黑色背景直至最大化完成后,现在稍加改造就可以解决这个问题:<span style="color: rgba(255, 153, 204, 1)">实例化的时候不显示窗体,最大化后再显示窗体。</span></p>


<pre>  const win = <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> BrowserWindow({
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体宽度(像素),默认800像素</span>
    width: 800<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体高度(像素),默认600像素</span>
    height: 600<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口标题,如果在加载的 HTML 文件中定义了 HTML 标签 `<title>`,则该属性将被忽略。</span>
<span style="color: rgba(0, 0, 0, 1)">    title: `${process.env.VUE_APP_NAME}(${process.env.VUE_APP_VERSION})`,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不显示窗体</span>
    show: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
    webPreferences: {
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Use pluginOptions.nodeIntegration, leave this alone</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> See nklayman.github.io/vue-cli-plugin-electron-builder/guide/security.html#node-integration for more info</span>
<span style="color: rgba(0, 0, 0, 1)">      nodeIntegration: process.env.ELECTRON_NODE_INTEGRATION,
      contextIsolation: </span>!<span style="color: rgba(0, 0, 0, 1)">process.env.ELECTRON_NODE_INTEGRATION,
    },
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体最大化</span>
<span style="color: rgba(0, 0, 0, 1)">  win.maximize();
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">显示窗体</span>
  win.show();</pre>

<span class="1024sou_code_collapse">点击查看代码</span>
<p><strong><span style="font-family: "Microsoft YaHei"; font-size: 18px">3、自定义标题栏</span></strong></p>
<p style="margin: 0"><span style="font-family: "Microsoft YaHei"; font-size: 15px">为什么要自定义标题栏?electron应用自带的标题栏不能满足日益复杂的功能需求时,就只能自定义了。自定义标题除了实现基本的窗口功能外,它还能方便的快速的扩展其他功能需求。</span></p>
<p><span style="font-family: "Microsoft YaHei"; font-size: 15px">自定义标题栏使用的是css3-flex+scss 来实现布局和样式的编写,其主体划分为两个区域:标题栏区域和功能区域,如下图所示:</span></p>
<p></p>
<p>为了使用scss语言来编写样式,我们需要安装 <span style="color: rgba(115, 178, 236, 1)">sass-loader</span> 插件,在终端输入命令:<span style="color: rgba(115, 178, 236, 1)">npm install sass-loader@^10 sass --save-dev<span style="color: rgba(0, 0, 0, 1)"> <span style="color: rgba(255, 153, 204, 1)">指定版本尤为重要,高版本对于webpack版本也有要求</span></span></span></p>
<p><span style="font-family: "Microsoft YaHei"; font-size: 16px"><strong><span style="color: rgba(115, 178, 236, 1)"><span style="color: rgba(0, 0, 0, 1)">3.1、iconfront 图标添加</span></span></strong></span></p>
<p><span style="color: rgba(115, 178, 236, 1)"><span style="color: rgba(0, 0, 0, 1)">功能区域处的功能按钮需要图标,此块是在 <span style="color: rgba(138, 206, 246, 1)">iconfront</span> 官网上找了合适的图标加入购物车后以下载代码的方式下载资源,然后通过下载的demo中第二种方式集成在项目中。</span></span></p>
<p><span style="font-family: "Microsoft YaHei"; font-size: 16px"><strong><span style="color: rgba(115, 178, 236, 1)"><span style="color: rgba(0, 0, 0, 1)">3.2、编写标题栏页面</span></span></strong></span></p>
<p><span style="color: rgba(115, 178, 236, 1)"><span style="color: rgba(0, 0, 0, 1)">在src/renderer/App.vue 修改其内容以完成标题栏的改造,主要是通过css3-flex来完成的布局,包含了标题栏原有的基本功能,改造后效果(gif有失真效果)以及改造的代码如下所示:</span></span></p>


<pre><template>
  <div id="app">
    <header>
      <div class="titleArea">
        <img :src="winIcon" />
        <span>{{ winTitle }}</span>
      </div>
      <div class="featureArea">
        <div title="扩展">
          <span class="iconfont icon-xiakuozhanjiantou"></span>
        </div>
        <div title="最小化">
          <span class="iconfont icon-minimum"></span>
        </div>
        <div :title="maximizeTitle">
          <<span style="color: rgba(0, 0, 0, 1)">span
            :class</span>="<span style="color: rgba(0, 0, 0, 1)">{
              iconfont: true,
              'icon-zuidahua': isMaximized,
              'icon-window-max_line': !isMaximized,
            }</span>"
          ></span>
        </div>
        <div title="关闭">
          <span class="iconfont icon-guanbi"></span>
        </div>
      </div>
    </header>
    <main>我是主体</main>
  </div>
</template>

<script><span style="color: rgba(0, 0, 0, 1)">
export </span><span style="color: rgba(0, 0, 255, 1)">default</span><span style="color: rgba(0, 0, 0, 1)"> {
  data: () </span>=><span style="color: rgba(0, 0, 0, 1)"> ({
    winIcon: `${process.env.BASE_URL}favicon.ico`,
    winTitle: process.env.VUE_APP_NAME,
    isMaximized: </span><span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)">,
  }),

  computed: {
    maximizeTitle() {
      </span><span style="color: rgba(0, 0, 255, 1)">return</span> <span style="color: rgba(0, 0, 255, 1)">this</span>.isMaximized ? "向下还原" : "最大化"<span style="color: rgba(0, 0, 0, 1)">;
    },
  },
};
</span></script>

<style lang="scss"><span style="color: rgba(0, 0, 0, 1)">
$titleHeight: 40px;
body {
  margin: 0px;
}
#app {
  font</span>-family: "微软雅黑"<span style="color: rgba(0, 0, 0, 1)">;
  color: #2c3e50;
  display: flex;
  flex</span>-<span style="color: rgba(0, 0, 0, 1)">direction: column;
  header {
    background: #16407b;
    color: #8c8663;
    height: $titleHeight;
    width: </span>100%<span style="color: rgba(0, 0, 0, 1)">;
    display: flex;

    .titleArea {
      flex</span>-grow: 10<span style="color: rgba(0, 0, 0, 1)">;
      padding</span>-<span style="color: rgba(0, 0, 0, 1)">left: 5px;
      display: flex;
      align</span>-<span style="color: rgba(0, 0, 0, 1)">items: center;
      img {
        width: 24px;
        height: 24px;
      }
      span {
        padding</span>-<span style="color: rgba(0, 0, 0, 1)">left: 5px;
      }
    }

    .featureArea {
      flex</span>-grow: 1<span style="color: rgba(0, 0, 0, 1)">;
      display: flex;
      justify</span>-content: flex-<span style="color: rgba(0, 0, 0, 1)">end;

      div {
        width: 30px;
        height: 30px;
        line</span>-<span style="color: rgba(0, 0, 0, 1)">height: 30px;
        text</span>-<span style="color: rgba(0, 0, 0, 1)">align: center;
      }

      </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)"> 最小化 最大化悬浮效果 </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
      div:hover {
        background: #6fa8ff;
      }
      </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)"> 关闭悬浮效果 </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
      div:last</span>-<span style="color: rgba(0, 0, 0, 1)">child:hover {
        background: red;
      }
    }
  }

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">   主体区域铺满剩余的整个宽、高度</span>
<span style="color: rgba(0, 0, 0, 1)">  main {
    background: #e8eaed;
    width: </span>100%<span style="color: rgba(0, 0, 0, 1)">;
    height: calc(100vh </span>-<span style="color: rgba(0, 0, 0, 1)"> $titleHeight);
  }
}
</span></style></pre>

<span class="1024sou_code_collapse">点击查看代码</span>
<p style="margin: 0"></p>
<p><strong><span style="font-family: "Microsoft YaHei"; font-size: 16px"> 3.3、标题栏页面添加交互</span></strong></p>
<p><span style="font-family: "Microsoft YaHei"; font-size: 15px">从electron机制上来说,BrowserWindow是属于主进程模块,要想实现在页面中(渲染进程)调用主进程窗口的功能,这涉及到渲染进程与主进程的通信和安全性,在这通过预加载(preload.js)和 ipc 来实现该需求。</span></p>
<ol>
<li><span style="color: rgba(58, 195, 243, 1)">src/main</span> 目录下添加 <span style="color: rgba(58, 195, 243, 1)">preload.js</span> 文件,具体内容如下所示:


<pre>import { contextBridge, ipcRenderer } from "electron"<span style="color: rgba(0, 0, 0, 1)">;

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体操作api</span>
contextBridge.exposeInMainWorld("windowApi"<span style="color: rgba(0, 0, 0, 1)">, {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">最小化</span>
  minimize: () =><span style="color: rgba(0, 0, 0, 1)"> {
    ipcRenderer.send(</span>"window-min"<span style="color: rgba(0, 0, 0, 1)">);
  },
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">向下还原|最大化</span>
  maximize: () =><span style="color: rgba(0, 0, 0, 1)"> {
    ipcRenderer.send(</span>"window-max"<span style="color: rgba(0, 0, 0, 1)">);
  },
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">关闭</span>
  close: () =><span style="color: rgba(0, 0, 0, 1)"> {
    ipcRenderer.send(</span>"window-close"<span style="color: rgba(0, 0, 0, 1)">);
  },
  </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)">*
   * 窗口重置大小
   * @param {重置大小后的回调函数} callback
   </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
  resize: (callback) </span>=><span style="color: rgba(0, 0, 0, 1)"> {
    ipcRenderer.on(</span>"window-resize"<span style="color: rgba(0, 0, 0, 1)">, callback);
  },
});</span></pre>

<span class="1024sou_code_collapse">点击查看代码</span>
</li>
<li><span style="color: rgba(58, 195, 243, 1)">src/main/index.js</span> 添加窗体最大化、最小化、关闭、重置大小监听、预先加载指定脚本等功能,具体内容如下所示:


<pre>"use strict"<span style="color: rgba(0, 0, 0, 1)">;

import { app, protocol, BrowserWindow, ipcMain } from </span>"electron"<span style="color: rgba(0, 0, 0, 1)">;
import { createProtocol } from </span>"vue-cli-plugin-electron-builder/lib"<span style="color: rgba(0, 0, 0, 1)">;
import path from </span>"path"<span style="color: rgba(0, 0, 0, 1)">;
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 取消安装devtools后,则不需要用到此对象,可以注释掉</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> import installExtension, { VUEJS_DEVTOOLS } from "electron-devtools-installer";</span>
const isDevelopment = process.env.NODE_ENV !== "production"<span style="color: rgba(0, 0, 0, 1)">;

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Scheme must be registered before the app is ready</span>
<span style="color: rgba(0, 0, 0, 1)">protocol.registerSchemesAsPrivileged([
  { scheme: </span>"app", privileges: { secure: <span style="color: rgba(0, 0, 255, 1)">true</span>, standard: <span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)"> } },
]);

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">创建应用主窗口</span>
const createWindow = async () =><span style="color: rgba(0, 0, 0, 1)"> {
  const win </span>= <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> BrowserWindow({
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体宽度(像素),默认800像素</span>
    width: 800<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体高度(像素),默认600像素</span>
    height: 600<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口标题,如果在加载的 HTML 文件中定义了 HTML 标签 `<title>`,则该属性将被忽略。</span>
<span style="color: rgba(0, 0, 0, 1)">    title: `${process.env.VUE_APP_NAME}(${process.env.VUE_APP_VERSION})`,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不显示窗体</span>
    show: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
    webPreferences: {
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Use pluginOptions.nodeIntegration, leave this alone</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> See nklayman.github.io/vue-cli-plugin-electron-builder/guide/security.html#node-integration for more info</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 是否开启node集成,默认false</span>
      nodeIntegration: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 否在独立 JavaScript 环境中运行 Electron API和指定的preload 脚本. 默认为 true</span>
      contextIsolation: <span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)">,
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">在页面运行其他脚本之前预先加载指定的脚本</span>
      preload: path.join(__dirname, "preload.js"<span style="color: rgba(0, 0, 0, 1)">),
    },
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">fasle:无框窗体(没有标题栏、菜单栏)</span>
    frame: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体最大化</span>
<span style="color: rgba(0, 0, 0, 1)">  win.maximize();
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">显示窗体</span>
<span style="color: rgba(0, 0, 0, 1)">  win.show();

  </span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (process.env.WEBPACK_DEV_SERVER_URL) {
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Load the url of the dev server if in development mode</span>
<span style="color: rgba(0, 0, 0, 1)">    await win.loadURL(process.env.WEBPACK_DEV_SERVER_URL);
    </span><span style="color: rgba(0, 0, 255, 1)">if</span> (!<span style="color: rgba(0, 0, 0, 1)">process.env.IS_TEST) win.webContents.openDevTools();
  } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
    createProtocol(</span>"app"<span style="color: rgba(0, 0, 0, 1)">);
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Load the index.html when not in development</span>
    await win.loadURL("app://./index.html"<span style="color: rgba(0, 0, 0, 1)">);
  }

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">监听窗口重置大小后事件,若触发则给渲染进程发送消息</span>
  win.on("resize", () =><span style="color: rgba(0, 0, 0, 1)"> {
    win.webContents.send(</span>"window-resize"<span style="color: rgba(0, 0, 0, 1)">, win.isMaximized());
  });
};

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Quit when all windows are closed.</span>
app.on("window-all-closed", () =><span style="color: rgba(0, 0, 0, 1)"> {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> On macOS it is common for applications and their menu bar</span>
  <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> to stay active until the user quits explicitly with Cmd + Q</span>
  <span style="color: rgba(0, 0, 255, 1)">if</span> (process.platform !== "darwin"<span style="color: rgba(0, 0, 0, 1)">) {
    app.quit();
  }
});

app.on(</span>"activate", () =><span style="color: rgba(0, 0, 0, 1)"> {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> On macOS it's common to re-create a window in the app when the</span>
  <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> dock icon is clicked and there are no other windows open.</span>
  <span style="color: rgba(0, 0, 255, 1)">if</span> (BrowserWindow.getAllWindows().length === 0<span style="color: rgba(0, 0, 0, 1)">) createWindow();
});

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 只有在 app 模组的 ready 事件能触发后才能创建 BrowserWindows 实例。 您可以借助 app.whenReady() API 来等待此事件</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> 通常我们使用触发器的 .on 函数来监听 Node.js 事件。</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> 但是 Electron 暴露了 app.whenReady() 方法,作为其 ready 事件的专用监听器,这样可以避免直接监听 .on 事件带来的一些问题。 参见 https://github.com/electron/electron/pull/21972。</span>
app.whenReady().then(() =><span style="color: rgba(0, 0, 0, 1)"> {
  createWindow();

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口最小化</span>
  ipcMain.on("window-min", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    win.minimize();
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口向下还原|最大化</span>
  ipcMain.on("window-max", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    const isMaximized </span>=<span style="color: rgba(0, 0, 0, 1)"> win.isMaximized();
    </span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (isMaximized) {
      win.unmaximize();
    } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
      win.maximize();
    }
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口关闭</span>
  ipcMain.on("window-close", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    win.destroy();
  });
});
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 注释了此种方式改用官方推荐的专用方法来实现事件的监听</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> app.on("ready", async () => {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //启动慢的原因在此,注释掉它后能换来极致的快感</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //   if (isDevelopment && !process.env.IS_TEST) {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     // Install Vue Devtools</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     try {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //       await installExtension(VUEJS_DEVTOOLS);</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     } catch (e) {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //       console.error("Vue Devtools failed to install:", e.toString());</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     }</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //   }</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   createWindow();</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> });</span>

<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Exit cleanly on request from parent process in development mode.</span>
<span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (isDevelopment) {
  </span><span style="color: rgba(0, 0, 255, 1)">if</span> (process.platform === "win32"<span style="color: rgba(0, 0, 0, 1)">) {
    process.on(</span>"message", (data) =><span style="color: rgba(0, 0, 0, 1)"> {
      </span><span style="color: rgba(0, 0, 255, 1)">if</span> (data === "graceful-exit"<span style="color: rgba(0, 0, 0, 1)">) {
        app.quit();
      }
    });
  } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
    process.on(</span>"SIGTERM", () =><span style="color: rgba(0, 0, 0, 1)"> {
      app.quit();
    });
  }
}</span></pre>

<span class="1024sou_code_collapse">点击查看代码</span>
</li>
<li><span>完成上述两个步骤后启用应用,控制面板中提示有错误消息,如下图所示:</span>


<p style="margin: 0"> 解决办法:根目录下<span style="color: rgba(58, 195, 243, 1)">vue.config.js</span> 文件 <span style="color: rgba(58, 195, 243, 1)">pluginOptions.electronBuilder</span> 节点添加内容 <span style="color: rgba(58, 195, 243, 1)">preload: "src/main/preload.js"</span>,具体内容如下所示:</p>


<pre><span style="color: rgba(0, 0, 0, 1)">  pluginOptions: {
    electronBuilder: {
      mainProcessFile: </span>"src/main/index.js", <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 主进程入口文件</span>
      mainProcessWatch: ["src/main"], <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 检测主进程文件在更改时将重新编译主进程并重新启动</span>
      preload: "src/main/preload.js", <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 预加载js</span>
<span style="color: rgba(0, 0, 0, 1)">    },
  },</span></pre>

<span class="1024sou_code_collapse">点击查看代码</span>

</li>
<li> <span style="color: rgba(58, 195, 243, 1)">src/renderer/App.vue</span> <span>在功能区域为功能按钮绑定点击事件及处理,具体内容如下所示:</span>



<pre><template>
  <div id="app">
    <header>
      <div class="titleArea">
        <img :src="winIcon" />
        <span>{{ winTitle }}</span>
      </div>
      <div class="featureArea">
        <div title="扩展" @click="expand">
          <span class="iconfont icon-xiakuozhanjiantou"></span>
        </div>
        <div title="最小化" @click="minimize">
          <span class="iconfont icon-minimum"></span>
        </div>
        <div :title="maximizeTitle" @click="maximize">
          <<span style="color: rgba(0, 0, 0, 1)">span
            :class</span>="<span style="color: rgba(0, 0, 0, 1)">{
              iconfont: true,
              'icon-zuidahua': isMaximized,
              'icon-window-max_line': !isMaximized,
            }</span>"
          ></span>
        </div>
        <div title="关闭" @click="close">
          <span class="iconfont icon-guanbi"></span>
        </div>
      </div>
    </header>
    <main>我是主体</main>
  </div>
</template>

<script><span style="color: rgba(0, 0, 0, 1)">
export </span><span style="color: rgba(0, 0, 255, 1)">default</span><span style="color: rgba(0, 0, 0, 1)"> {
  data: () </span>=><span style="color: rgba(0, 0, 0, 1)"> ({
    winIcon: `${process.env.BASE_URL}favicon.ico`,
    winTitle: process.env.VUE_APP_NAME,
    isMaximized: </span><span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)">,
  }),

  mounted() {
    window.windowApi.resize(</span><span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.resize);
  },

  computed: {
    maximizeTitle() {
      </span><span style="color: rgba(0, 0, 255, 1)">return</span> <span style="color: rgba(0, 0, 255, 1)">this</span>.isMaximized ? "向下还原" : "最大化"<span style="color: rgba(0, 0, 0, 1)">;
    },
  },

  methods: {
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">扩展</span>
<span style="color: rgba(0, 0, 0, 1)">    expand() {
      </span><span style="color: rgba(0, 0, 255, 1)">this</span><span style="color: rgba(0, 0, 0, 1)">.$message({
        type: </span>"success"<span style="color: rgba(0, 0, 0, 1)">,
        message: </span>"我点击了扩展"<span style="color: rgba(0, 0, 0, 1)">,
      });
    },
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">最小化</span>
<span style="color: rgba(0, 0, 0, 1)">    minimize() {
      window.windowApi.minimize();
    },
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">向下还原|最大化</span>
<span style="color: rgba(0, 0, 0, 1)">    maximize() {
      window.windowApi.maximize();
    },
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 窗口关闭</span>
<span style="color: rgba(0, 0, 0, 1)">    close() {
      window.windowApi.close();
    },
    </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)">*
     * 重置窗体大小后的回调函数
     * @param {事件源对象} event
     * @param {参数} args
     </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
    resize(event, args) {
      </span><span style="color: rgba(0, 0, 255, 1)">this</span>.isMaximized =<span style="color: rgba(0, 0, 0, 1)"> args;
    },
  },
};
</span></script>

<style lang="scss"><span style="color: rgba(0, 0, 0, 1)">
$titleHeight: 40px;
$iconSize: 35px;
body {
  margin: 0px;
}
#app {
  font</span>-family: "微软雅黑"<span style="color: rgba(0, 0, 0, 1)">;
  color: #2c3e50;
  display: flex;
  flex</span>-<span style="color: rgba(0, 0, 0, 1)">direction: column;
  header {
    background: #16407b;
    color: #8c8663;
    height: $titleHeight;
    width: </span>100%<span style="color: rgba(0, 0, 0, 1)">;
    display: flex;

    .titleArea {
      flex</span>-grow: 10<span style="color: rgba(0, 0, 0, 1)">;
      padding</span>-<span style="color: rgba(0, 0, 0, 1)">left: 5px;
      display: flex;
      align</span>-<span style="color: rgba(0, 0, 0, 1)">items: center;
      img {
        width: 24px;
        height: 24px;
      }
      span {
        padding</span>-<span style="color: rgba(0, 0, 0, 1)">left: 5px;
      }
    }

    .featureArea {
      flex</span>-grow: 1<span style="color: rgba(0, 0, 0, 1)">;
      display: flex;
      justify</span>-content: flex-<span style="color: rgba(0, 0, 0, 1)">end;
      color: white;

      div {
        width: $iconSize;
        height: $iconSize;
        line</span>-<span style="color: rgba(0, 0, 0, 1)">height: $iconSize;
        text</span>-<span style="color: rgba(0, 0, 0, 1)">align: center;
      }

      </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)"> 最小化 最大化悬浮效果 </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
      div:hover {
        background: #6fa8ff;
      }
      </span><span style="color: rgba(0, 128, 0, 1)">/*</span><span style="color: rgba(0, 128, 0, 1)"> 关闭悬浮效果 </span><span style="color: rgba(0, 128, 0, 1)">*/</span><span style="color: rgba(0, 0, 0, 1)">
      div:last</span>-<span style="color: rgba(0, 0, 0, 1)">child:hover {
        background: red;
      }
    }
  }

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">   主体区域铺满剩余的整个宽、高度</span>
<span style="color: rgba(0, 0, 0, 1)">  main {
    background: #e8eaed;
    width: </span>100%<span style="color: rgba(0, 0, 0, 1)">;
    height: calc(100vh </span>-<span style="color: rgba(0, 0, 0, 1)"> $titleHeight);
  }
}
</span></style></pre>

<span class="1024sou_code_collapse">点击查看代码</span>

</li>
<li><span>现在还差最后一步,在拖拽标题栏的时候,也需要能改变窗体位置和大小,具体内容如下所示:</span>

</li>
</ol>
<p style="margin: 0"><span style="font-family: "Microsoft YaHei"; font-size: 16px"><strong><span style="color: rgba(255, 153, 204, 1)">标题栏最终的交互效果,如下图所示:</span></strong></span></p>
<p style="margin: 0"></p>

<p> <span style="font-family: "Microsoft YaHei"; font-size: 18px"><strong>4、自定义右键菜单项</strong></span></p>
<p style="margin: 0"><span style="font-family: "Microsoft YaHei"; font-size: 15px">当前在开发模式下启动应用后也会自启动调试工具(devtools)便于技术人员分析并定位问题,如果关闭调试工具后就没有渠道再次启用调试工具了。还有场景就是在非开发模式下默认是不启用调试工具的,应用出现问题后也需要启用调试工具来分析定位问题。这个时候呢,参考浏览器鼠标右键功能,给应用添加右键菜单项功能包含有:重新加载、调试工具等。右键菜单项在主进程中 <span style="color: rgba(58, 195, 243, 1)">src/main/index.js</span> 管理,通过给 </span><span style="color: rgba(58, 195, 243, 1)">BrowserWindow</span> 对象 <span style="color: rgba(58, 195, 243, 1)">webContents</span> 属性绑定鼠标右键处理监听处理,具体内容如下所示:</p>


<pre>"use strict"<span style="color: rgba(0, 0, 0, 1)">;

import { app, protocol, BrowserWindow, ipcMain, Menu } from </span>"electron"<span style="color: rgba(0, 0, 0, 1)">;
import { createProtocol } from </span>"vue-cli-plugin-electron-builder/lib"<span style="color: rgba(0, 0, 0, 1)">;
import path from </span>"path"<span style="color: rgba(0, 0, 0, 1)">;
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 取消安装devtools后,则不需要用到此对象,可以注释掉</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> import installExtension, { VUEJS_DEVTOOLS } from "electron-devtools-installer";</span>
const isDevelopment = process.env.NODE_ENV !== "production"<span style="color: rgba(0, 0, 0, 1)">;

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Scheme must be registered before the app is ready</span>
<span style="color: rgba(0, 0, 0, 1)">protocol.registerSchemesAsPrivileged([
  { scheme: </span>"app", privileges: { secure: <span style="color: rgba(0, 0, 255, 1)">true</span>, standard: <span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)"> } },
]);

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">创建应用主窗口</span>
const createWindow = async () =><span style="color: rgba(0, 0, 0, 1)"> {
  const win </span>= <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> BrowserWindow({
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体宽度(像素),默认800像素</span>
    width: 800<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体高度(像素),默认600像素</span>
    height: 600<span style="color: rgba(0, 0, 0, 1)">,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口标题,如果在加载的 HTML 文件中定义了 HTML 标签 `<title>`,则该属性将被忽略。</span>
<span style="color: rgba(0, 0, 0, 1)">    title: `${process.env.VUE_APP_NAME}(${process.env.VUE_APP_VERSION})`,
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">不显示窗体</span>
    show: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
    webPreferences: {
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Use pluginOptions.nodeIntegration, leave this alone</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> See nklayman.github.io/vue-cli-plugin-electron-builder/guide/security.html#node-integration for more info</span>
      <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 是否开启node集成,默认false</span>
      nodeIntegration: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 否在独立 JavaScript 环境中运行 Electron API和指定的preload 脚本. 默认为 true</span>
      contextIsolation: <span style="color: rgba(0, 0, 255, 1)">true</span><span style="color: rgba(0, 0, 0, 1)">,
      </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">在页面运行其他脚本之前预先加载指定的脚本</span>
      preload: path.join(__dirname, "preload.js"<span style="color: rgba(0, 0, 0, 1)">),
    },
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">fasle:无框窗体(没有标题栏、菜单栏)</span>
    frame: <span style="color: rgba(0, 0, 255, 1)">false</span><span style="color: rgba(0, 0, 0, 1)">,
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗体最大化</span>
<span style="color: rgba(0, 0, 0, 1)">  win.maximize();
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">显示窗体</span>
<span style="color: rgba(0, 0, 0, 1)">  win.show();

  </span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (process.env.WEBPACK_DEV_SERVER_URL) {
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Load the url of the dev server if in development mode</span>
<span style="color: rgba(0, 0, 0, 1)">    await win.loadURL(process.env.WEBPACK_DEV_SERVER_URL);
    </span><span style="color: rgba(0, 0, 255, 1)">if</span> (!<span style="color: rgba(0, 0, 0, 1)">process.env.IS_TEST) win.webContents.openDevTools();
  } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
    createProtocol(</span>"app"<span style="color: rgba(0, 0, 0, 1)">);
    </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Load the index.html when not in development</span>
    await win.loadURL("app://./index.html"<span style="color: rgba(0, 0, 0, 1)">);
  }

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">监听窗口重置大小后事件,若触发则给渲染进程发送消息</span>
  win.on("resize", () =><span style="color: rgba(0, 0, 0, 1)"> {
    win.webContents.send(</span>"window-resize"<span style="color: rgba(0, 0, 0, 1)">, win.isMaximized());
  });

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">添加右键菜单项</span>
<span style="color: rgba(0, 0, 0, 1)">  createContextMenu(win);
};

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">给指定窗体创建右键菜单项</span>
const createContextMenu = (win) =><span style="color: rgba(0, 0, 0, 1)"> {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">自定义右键菜单</span>
  const template =<span style="color: rgba(0, 0, 0, 1)"> [
    {
      label: </span>"重新加载"<span style="color: rgba(0, 0, 0, 1)">,
      accelerator: </span>"ctrl+r", <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">快捷键</span>
      click: <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> () {
        win.reload();
      },
    },
    {
      label: </span>"调试工具"<span style="color: rgba(0, 0, 0, 1)">,
      click: </span><span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> () {
        const isDevToolsOpened </span>=<span style="color: rgba(0, 0, 0, 1)"> win.webContents.isDevToolsOpened();
        </span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (isDevToolsOpened) {
          win.webContents.closeDevTools();
        } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
          win.webContents.openDevTools();
        }
      },
    },
  ];
  const contextMenu </span>=<span style="color: rgba(0, 0, 0, 1)"> Menu.buildFromTemplate(template);
  win.webContents.on(</span>"context-menu", () =><span style="color: rgba(0, 0, 0, 1)"> {
    contextMenu.popup({ window: win });
  });
};

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Quit when all windows are closed.</span>
app.on("window-all-closed", () =><span style="color: rgba(0, 0, 0, 1)"> {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> On macOS it is common for applications and their menu bar</span>
  <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> to stay active until the user quits explicitly with Cmd + Q</span>
  <span style="color: rgba(0, 0, 255, 1)">if</span> (process.platform !== "darwin"<span style="color: rgba(0, 0, 0, 1)">) {
    app.quit();
  }
});

app.on(</span>"activate", () =><span style="color: rgba(0, 0, 0, 1)"> {
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> On macOS it's common to re-create a window in the app when the</span>
  <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> dock icon is clicked and there are no other windows open.</span>
  <span style="color: rgba(0, 0, 255, 1)">if</span> (BrowserWindow.getAllWindows().length === 0<span style="color: rgba(0, 0, 0, 1)">) createWindow();
});

</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 只有在 app 模组的 ready 事件能触发后才能创建 BrowserWindows 实例。 您可以借助 app.whenReady() API 来等待此事件</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> 通常我们使用触发器的 .on 函数来监听 Node.js 事件。</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> 但是 Electron 暴露了 app.whenReady() 方法,作为其 ready 事件的专用监听器,这样可以避免直接监听 .on 事件带来的一些问题。 参见 https://github.com/electron/electron/pull/21972。</span>
app.whenReady().then(() =><span style="color: rgba(0, 0, 0, 1)"> {
  createWindow();

  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口最小化</span>
  ipcMain.on("window-min", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    win.minimize();
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口向下还原|最大化</span>
  ipcMain.on("window-max", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    const isMaximized </span>=<span style="color: rgba(0, 0, 0, 1)"> win.isMaximized();
    </span><span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (isMaximized) {
      win.unmaximize();
    } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
      win.maximize();
    }
  });
  </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">窗口关闭</span>
  ipcMain.on("window-close", <span style="color: rgba(0, 0, 255, 1)">function</span><span style="color: rgba(0, 0, 0, 1)"> (event) {
    const win </span>=<span style="color: rgba(0, 0, 0, 1)"> BrowserWindow.fromId(event.sender.id);
    win.destroy();
  });
});
</span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> 注释了此种方式改用官方推荐的专用方法来实现事件的监听</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> app.on("ready", async () => {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //启动慢的原因在此,注释掉它后能换来极致的快感</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //   if (isDevelopment && !process.env.IS_TEST) {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     // Install Vue Devtools</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     try {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //       await installExtension(VUEJS_DEVTOOLS);</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     } catch (e) {</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //       console.error("Vue Devtools failed to install:", e.toString());</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //     }</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   //   }</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)">   createWindow();</span><span style="color: rgba(0, 128, 0, 1)">
//</span><span style="color: rgba(0, 128, 0, 1)"> });</span>

<span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> Exit cleanly on request from parent process in development mode.</span>
<span style="color: rgba(0, 0, 255, 1)">if</span><span style="color: rgba(0, 0, 0, 1)"> (isDevelopment) {
  </span><span style="color: rgba(0, 0, 255, 1)">if</span> (process.platform === "win32"<span style="color: rgba(0, 0, 0, 1)">) {
    process.on(</span>"message", (data) =><span style="color: rgba(0, 0, 0, 1)"> {
      </span><span style="color: rgba(0, 0, 255, 1)">if</span> (data === "graceful-exit"<span style="color: rgba(0, 0, 0, 1)">) {
        app.quit();
      }
    });
  } </span><span style="color: rgba(0, 0, 255, 1)">else</span><span style="color: rgba(0, 0, 0, 1)"> {
    process.on(</span>"SIGTERM", () =><span style="color: rgba(0, 0, 0, 1)"> {
      app.quit();
    });
  }
}</span></pre>

<span class="1024sou_code_collapse">点击查看代码</span>
<p></p>

<p>下一篇中将介绍项目打包等事宜</p>
<p>感谢您阅读本文,如果本文给了您帮助或者启发,还请三连支持一下,点赞、关注、收藏,作者会持续与大家分享更多干货~</p>
<p>源码地址:https://gitee.com/libaitianya/electron-vue-element-template</p>
						  
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