1. path模块是node.js自带的模块,主要是为了解决服务端路径问题而诞生的
  2. const path = require("path");
  3. console.log(__dirname)  //获取当前文件所在的路径

1-1 basename

  1. c:/data/logo.jpg
  2. # logo.jpg
  3. path.basename("c:/data/logo.jpg")

1-2 join-resolve

都是解决路径问题

  1. const path = require("path");
  2. var s = path.join(__dirname,"static");
  3. console.log(s)
  4. var t = path.resolve(__dirname,"static");
  5. console.log(t)

1-3 extname 获取文件拓展名

  1. console.log(path.extname(process.execPath))