ng new [appname] --style less修改 *.css 文件及引用处后缀名为 less并在 angular.json 文件中设置以下内容
{
"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
"ngTest": {
"root": "",
"sourceRoot": "src",
"projectType": "application",
"prefix": "app",
"schematics": {
"@schematics/angular:component": {
"styleext": "less"
}
}
......
}原文：https://www.cnblogs.com/weihanli/p/use-less-in-angular6-project.html