[TOC] ### 导入自定义文件 hello.rkt ``` #lang racket (provide vhello) ; 声明给外部用 (define vhello "Hello world") (define fhello (lambda () "Hello world")) ``` main.rkt ``` #lang racket (load "hello.rkt") vhello ;"Hello world" ``` 运行 ``` racket mian.rkt ```