直接给源码 app.js varexpress=require('express');varpath=require('path');constundefsafe=require('undefsafe');const{exec}=require('child_process');varapp=express();classNotes{constructor(){this.owner="whoknows";this.num=0;this.note_list={};}write_note(author,raw_note){this.note_list[(thi...