require('~/application/apis/controllers/posts');
require('~/application/apis/services/rest');
require('~/application/apis/config');

//長(zhǎng)目錄設(shè)置別名
const ROOT_PATH = process.cwd();
require('best-require')(ROOT_PATH, {
 apis: ROOT_PATH + '/application/apis',
 controllers: ROOT_PATH + '/application/apis/controllers'
});

//使用別名更簡(jiǎn)潔
require(':controllers/posts');
require(':apis/services/rest');
require(':apis/config');

//聲明
var path = require('path')
global.appRequire = function(path) {
 return require(path.resolve(__dirname, path))
}
//使用
var User = appRequire('app/model/User')

console.log(path.join(__dirname,'a','b')); // 假如當(dāng)前文件的路徑是E:/node/1,那么拼接出來(lái)就是E:/node/1/a/b。
console.log(path.join(__dirname,'/a','/b','..')); // 路徑開(kāi)頭的/不會(huì)影響拼接，..代表上一級(jí)文件，拼接出來(lái)的結(jié)果是：E:/node/1/a
console.log(path.join(__dirname,'a',{},'b')); // 而且path.join()還會(huì)幫我們做路徑字符串的校驗(yàn)，當(dāng)字符串不合法時(shí)，會(huì)拋出錯(cuò)誤：Path must be a string.

path.resolve('/a', '/b') // '/b'

path.resolve('./a', './b') // '/Users/username/Projects/webpack-demo/a/b'

console.log(path.resolve()); // 得到應(yīng)用程序啟動(dòng)文件的目錄（得到當(dāng)前執(zhí)行文件絕對(duì)路徑） E:\zf\webpack\1\src
console.log(path.resolve('a','/c')); // E:/c 因?yàn)?斜杠代表根目錄，所以得到的就是E:/c
console.log(path.resolve(__dirname,'img/so')); // E:\zf\webpack\1\src\img\so 這個(gè)就是將文件路徑拼接，并不管這個(gè)路徑是否真實(shí)存在。
console.log(path.resolve('wwwroot', 'static_files/png/', '../gif/image.gif')) // E:\zf\webpack\1\src\wwwroot\static_files\gif\image.gif

import path from 'path'; （ES6）或var path = require
(
 'path '
);
path.join(dirname,'../')

path.join(dirname,'../app/img/favicon.ico')