inquirer.js 参考 https://blog.csdn.net/qq_26733915/article/details/80461257 https://www.npmjs.com/package/inquirer 变量分类 type:表示提问的类型,包括:input, confirm, list, rawlist, expand, checkbox, password, editor name: 存储当前问题回答的变量; validate:对用户的回答进行校验;