electron-vue升级electron版本为12x版本后报错Uncaught ReferenceError: require is not defined

electron-vue升级为12x版本后代码报错：

Uncaught ReferenceError: require is not defined
    at (index):1
Uncaught ReferenceError: process is not defined
    at (index):1
Uncaught ReferenceError: module is not defined
    at renderer.js:1
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解决方案：在main.js中新增配置：contextIsolation: false

webPreferences: {
      nodeIntegration: true,//是否启用节点集成
      nodeIntegrationInWorker:true,//是否在Web工作器中启用了Node集成
      contextIsolation: false,//electron为12x版本新增此行
      devTools:true,//是否开启 DevTools
      // webSecurity: true//是否禁用同源策略(上线删除)
}
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