小编Ria*_*res的帖子

反应管理版本：3.8.4

我有一个反应管理应用程序，我正在尝试在浅色和深色主题之间切换。

下面您可以看到Theme.js，我在其中导出两个具有默认主题覆盖的对象，如文档中所述。（https://material-ui.com/pt/customization/default-theme/）

export const darkTheme = {\npalette: {\n    type: \'dark\'\n},\noverrides: {\n    MuiAppBar: {\n        colorSecondary: {\n            backgroundColor: \'#424242\', //\'#1e4c9a\',\n            color: \'#fff\'\n        },\n    },\n    MuiButton: {\n        textPrimary: {\n            color: \'#fff\',\n        }\n    },\n    MuiTypography: {\n        colorPrimary: {\n            color: \'#fff\'\n        }\n    },\n    MuiDrawer: {\n        paper: {\n            paddingTop: \'20px\'\n        }\n    },\n    MuiFilledInput: {\n        underline: {\n            \'&:after\': {\n                borderBottomColor: \'#bf9f00\'\n            }\n        }\n    },\n    MuiFormLabel: {\n        root: {\n            \'&$focused\': {\n                color: \'#bf9f00\'\n            }\n        }\n    },\n}\n}\n\nexport const lightTheme = {\n …