1. 前端项目通常会用@/来做为别名，映射路径src/
    2. 别名缺点：在引用文件的时候，无法通过.来唤起路径提示
    3. 在项目根目录下，添加一个jsconfig.json文件，内容如下
      1. 解决vscode使用了@别名后路径不提示的问题
    4. jsconfig.json配置参考 https://code.visualstudio.com/docs/languages/jsconfig
      1. {
      2. "compilerOptions": {
      3.  "emitDecoratorMetadata": true,
      4.  "experimentalDecorators": true,
      5.  "baseUrl": "./",
      6.  "paths": {
      7.    "@@/*": ["./*"],
      8.    "@/*": ["src/*"],
      9.    "@assets/*": ["src/assets/*"],
      10.    "@constants/*": ["src/constants/*"],
      11.    "@components/*": ["src/components/*"],
      12.    "@hooks/*": ["src/hooks/*"],
      13.    "@routes/*": ["src/routes/*"],
      14.    "@models/*": ["src/models/*"],
      15.    "@locales/*": ["src/locales/*"],
      16.    "@utils/*": ["src/utils/*"]
      17.  },
      18.  "target": "ES6",
      19.  "module": "commonjs",
      20.  "allowSyntheticDefaultImports": true
      21. },
      22. "include": ["src/**/*"],
      23. "exclude": ["node_modules", "build"]
      24. }