1、npm --init

2、tsc --init

修改

"rootDirs": ["./src"],

"outDir": "./build",

增加

"include":[

"./src/**/*"

],

{  "compilerOptions": {     "target": "es5",     "module": "commonjs",                                            "outDir": "./build",     "strict": true,    "rootDirs": ["./src"],    "esModuleInterop": true     },  "include":[        "./src/**/*"    ],}

3、

npm install @types/node --save