realtorEasier-webSite/pc/build/wepack.dev.server.js

const fs = require('fs')
const path = require('path')
const bodyParser = require('body-parser');
const langDir = path.join(__dirname, '../src/lang')
module.exports = function(app, server) {
    app.use('/dev', bodyParser.json());
    app.use('/dev', bodyParser.urlencoded({ extended: false }));

    app.get('/dev/lang/:id', function(req, res) {
        let filePath = path.join(langDir, req.params.id + '/modules')
        console.log(filePath)
        const files = fs.readdirSync(filePath)
        let data = {}
        files.forEach(item => {
          data[item.replace(/\.\w+$/, '')] = require(path.join(__dirname, `../src/lang/${req.params.id}/modules/${item}`))
        })
        res.json({ ok: true, data });
    });
    app.post('/dev/lang/:id', function(req, res) {
      Object.keys(req.body).forEach(item => {
        fs.writeFile('./src/lang/' + req.params.id + `/modules/${item}.js`, 'module.exports = ' + JSON.stringify(req.body[item], null, 4), err => {
          if (err) {
              return res.json({ ok: false });
          }
          res.json({ ok: true });
        })
      })
    });
}