npm install -g @angular/cli

ng new <项目名>

cd <项目名>
npm install
ng serve

npm install jquery --save
npm install bootstrap --save

{
 "$schema": "./node_modules/@angular/cli/lib/config/schema.json",
 "project": {
  "version": "1.0.0-alpha.4",
  "name": "angualr4demo"
 },
 "apps": [
  {
   "root": "src",
   "outDir": "dist",
   "assets": ["assets"],
   "index": "index.html",
   "main": "main.ts",
   "polyfills": "polyfills.ts",
   "test": "test.ts",
   "tsconfig": "tsconfig.app.json",
   "testTsconfig": "tsconfig.spec.json",
   "prefix": "app",
   "styles": [
   "../node_modules/bootstrap/dist/css/bootstrap.min.css",<!-- 这里添加bootstrap引用路径 --!>
    "scss/style.scss"
   ],
   "scripts": [
    "../node_modules/jquery/dist/jquery.js"<!-- 这里添加jquery引用路径 --!>
   ],
   "environmentSource": "environments/environment.ts",
   "environments": {
    "dev": "environments/environment.ts",
    "prod": "environments/environment.prod.ts"
   }
  }
 ],
 "e2e": {
  "protractor": {
   "config": "./protractor.conf.js"
  }
 },
 "lint": [
  {
   "project": "src/tsconfig.app.json"
  },
  {
   "project": "src/tsconfig.spec.json"
  },
  {
   "project": "e2e/tsconfig.e2e.json"
  }
 ],
 "test": {
  "karma": {
   "config": "./karma.conf.js"
  }
 },
 "defaults": {
  "styleExt": "scss",
  "prefixInterfaces": false
 }
}

declare var $: JQueryStatic;

declare var require: any;