我知道这是一个非常常见的问题,但我似乎找不到设置项目的正确方法。在 Angular 12 中,我尝试设置一个变量文件以在所有组件之间共享,而不将其导入每个 scss 文件中,并且我尝试在 styles.scss 文件中设置它,但似乎并没有工作正常。我收到“ undefined variable ”错误。
我的变量文件:
$primary-color: #efefef;
$light-color: #454758;
$main-font: #ACADB4;
$main-font-regular: #6E707D;
$main-font-light: #3c3c3c;
$rich-black: #001011;
$primary-white: #fafafa;
以下是我将其导入 styles.scss 的方法:
/* FONT AWESOME */
@import "~@fortawesome/fontawesome-free/scss/fontawesome.scss";
@import "~@fortawesome/fontawesome-free/scss/solid.scss";
@import "~@fortawesome/fontawesome-free/scss/regular.scss";
@import "~@fortawesome/fontawesome-free/scss/brands.scss";
/* MDB CSS */
@import "~mdb-angular-ui-kit/assets/scss/mdb.scss";
/* VARIABLES */
@import "styles/_variables.scss";
我的 angular.json 文件:
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"CVWebPage": {
"projectType": "application",
"schematics": {
"@schematics/angular:component": {
"style": "scss"
}
},
"root": "",
"sourceRoot": "src",
"prefix": "app",
"architect": {
"build": {
"builder": "@angular-devkit/build-angular:browser",
"options": {
"outputPath": "dist/CVWebPage",
"index": "src/index.html",
"main": "src/main.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "tsconfig.app.json",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"node_modules/bootstrap/dist/css/bootstrap.min.css",
"src/styles.scss",
"src/styles/_variables.scss"
],
"stylePreprocessorOptions": {
"includePaths": [
"./src/styles"
]
},
"scripts": [
"node_modules/jquery/dist/jquery.min.js",
"node_modules/popper.js/dist/umd/popper.js",
"node_modules/bootstrap/dist/js/bootstrap.min.js"
],
"vendorChunk": true,
"extractLicenses": false,
"buildOptimizer": false,
"sourceMap": true,
"optimization": false,
"namedChunks": true
},
"configurations": {
"production": {
"fileReplacements": [
{
"replace": "src/environments/environment.ts",
"with": "src/environments/environment.prod.ts"
}
],
"optimization": true,
"outputHashing": "all",
"sourceMap": false,
"namedChunks": false,
"extractLicenses": true,
"vendorChunk": false,
"buildOptimizer": true,
"budgets": [
{
"type": "initial",
"maximumWarning": "2mb",
"maximumError": "5mb"
},
{
"type": "anyComponentStyle",
"maximumWarning": "6kb",
"maximumError": "10kb"
}
]
}
},
"defaultConfiguration": ""
},
"serve": {
"builder": "@angular-devkit/build-angular:dev-server",
"options": {
"browserTarget": "CVWebPage:build"
},
"configurations": {
"production": {
"browserTarget": "CVWebPage:build:production"
}
}
},
"extract-i18n": {
"builder": "@angular-devkit/build-angular:extract-i18n",
"options": {
"browserTarget": "CVWebPage:build"
}
},
"test": {
"builder": "@angular-devkit/build-angular:karma",
"options": {
"main": "src/test.ts",
"polyfills": "src/polyfills.ts",
"tsConfig": "tsconfig.spec.json",
"karmaConfig": "karma.conf.js",
"assets": [
"src/favicon.ico",
"src/assets"
],
"styles": [
"node_modules/bootstrap/dist/css/bootstrap.min.css",
"src/styles.scss",
"src/styles/_variables.scss"
],
"scripts": [
"./node_modules/jquery/dist/jquery.slim.min.js",
"./node_modules/popper.js/dist/umd/popper.min.js",
"./node_modules/bootstrap/dist/js/bootstrap.min.js"
]
}
},
"lint": {
"builder": "@angular-devkit/build-angular:tslint",
"options": {
"tsConfig": [
"tsconfig.app.json",
"tsconfig.spec.json",
"e2e/tsconfig.json"
],
"exclude": [
"**/node_modules/**"
]
}
},
"e2e": {
"builder": "@angular-devkit/build-angular:protractor",
"options": {
"protractorConfig": "e2e/protractor.conf.js",
"devServerTarget": "CVWebPage:serve"
},
"configurations": {
"production": {
"devServerTarget": "CVWebPage:serve:production"
}
}
}
}
}},
"defaultProject": "CVWebPage"
}
我只是在组件 scss 文件中使用它,如下所示:
color: $primary-white;
我的项目结构:
我尝试做与这篇文章相同的操作,但无法使其工作:How to use global scss files in angular-cli project
感谢您的帮助!
最佳答案
为了在CSS中使用变量,你必须这样做:
- 在“_variables.scss”中,在 :root* 中定义变量,例如:
:root {
// Your colors
--color-primary-color: #efefef;
--color-light: #454758;
--color-main-font: #ACADB4;
--color-primary-white: #FFFFFF;
...
}
- 在“styles.scss”中,您已经导入了变量文件:
/* VARIABLES */
@import "styles/_variables.scss";
- 然后,在您的 styles.scss(或您选择的另一个 scss 文件)中,将这些变量与 var() 一起使用,如下所示:
color: var(--color-primary-white);
我离开你HERE关于 CSS 自定义属性(变量)与 SASS/SCSS(实用架构策略)的文章链接
关于Angular:样式 scss 上的全局变量在所有组件之间共享,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/70481841/