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56 = 7.x npm install --save-dev @babel/plugin-proposal-decorators Babel@6.x npm install --save-dev babel-plugin-transform-decorators-legacy 修改package.json文件的babel配置项 Babel >= 7.x 复制代码 "babel": { "plugins": [ ["@babel/plugin-proposal-decorators",{ "legacy": true }] ], "presets": [ "react-app" ] }Babel@6.x 复制代码 "babel": { "plugins": [ "transform-decorators-legacy" ], "presets": [ "react-app" ] } 复制代码 至此,就可以在项目中使用装饰器了 复制代码 @MyContainer class B extends Component{ render(){ return (
B组件
) } } export default B; 原文链接:https://www.f2er.com/note/411460.html