How to use the egg.Controller function in egg

const path = require('path');
const sendToWormhole = require('stream-wormhole');
const Controller = require('egg').Controller;
const fs = require('fs');
const mkdirp = require('mkdirp');

class UploaderController extends Controller {
  async upload() {
    const ctx = this.ctx;
    const stream = await ctx.getFileStream();
    const name = path.basename(stream.filename);

    let now = new Date();
    let today = path.join(now.getFullYear().toString(), (now.getMonth() + 1).toString(), now.getDay().toString(),"/");
    let folder = path.join(this.app.config.upload.localFilePrex, today);
    // let filename = now.getTime() + '__' + name;
    let filename = now.getTime() + '.jpg';

    try {

'use strict';

const jwt = require('jsonwebtoken');
const ms = require('ms');
const Controller = require('egg').Controller;

class AdminController extends Controller {
  // 管理员登录
  async login() {
    const { ctx } = this;
    const model = ctx.request.body;

    const isAuthenticated = await ctx.service.admin.findByLogin(model);

    if (isAuthenticated) {
      let cookieMxAge = ms('1d');
      let jwtMxAge = Math.floor(Date.now() / 1000) + (60 * 60 * 24);

      if (model.rememberMe === 'true') {
        cookieMxAge = ms('30d');
        jwtMxAge = Math.floor(Date.now() / 1000) + (60 * 60 * 30 * 24);

'use strict';

const Controller = require('egg').Controller;

class Home extends Controller {
  async index() {
    const ctx = this.ctx;
    ctx.body = 'hello world';
  }

  async post() {
    const ctx = this.ctx;
    ctx.body = ctx.request.body;
  }

  async session() {
    const ctx = this.ctx;
    ctx.body = {
      session: ctx.session,

'use strict';

const Controller = require('egg').Controller;
/**
 * @Controller ticket
 */
class TicketController extends Controller {
  /**
   * @apikey
   * @Router POST /ticket
   * @Request body createUser name description for ticket
   * @Request header string access_token
   * @Response 200 baseResponse ok
   */
  async index() {
    this.ctx.body = 'hi, ' + this.app.plugins.swagger.name;
  }

  /**

'use strict';

const Controller = require('egg').Controller;

class NewsController extends Controller {
  async list() {
    const { ctx, app } = this;
    const pageSize = app.config.news.pageSize;
    const page = parseInt(ctx.query.page) || 1;

    const idList = await ctx.service.hackerNews.getTopStories(page);
    await ctx.render('news/list.tpl', {
      list: idList[0],
      page, pageSize,
    });
  }
}

module.exports = NewsController;

'use strict';

const Controller = require('egg').Controller;

class HomeController extends Controller {
  async index() {
    this.ctx.body = 'hi, egg';
  }
}

module.exports = HomeController;

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const egg_1 = require("egg");
const _ = require("lodash");
class FileController extends egg_1.Controller {
    constructor() {
        super(...arguments);
        this.DEFAULT_PEER_COUNT = 10;
    }
    async uploadFile() {
        const stream = await this.ctx.getFileStream();
        const result = await this.ctx.service.storage.files.upload(stream);
        this.ctx.body = result;
    }
    async uploadRaw() {
        const body = this.ctx.request.body;
        const content = _.get(body, 'content');
        if (!content) {
            this.ctx.logger.warn('body content is empty!');
            this.ctx.status = 500;
            this.ctx.body = 'please make sure content field is not empty';

const Controller = require('egg').Controller;

class ColumnController extends Controller {
  //提问分页
  async page() {
    if (typeof this.ctx.params.index == 'undefined' || isNaN(this.ctx.params.index) || this.ctx.params.index < 1) {
      await this.ctx.render('404.tpl');
      return false;
    }

    let index = Math.floor(this.ctx.params.index) || 1;

    this.ctx.locals.lay.base = {
      keywords: "Egg中文社区,nodejs, node, express,egg,koa2,ThinkJS, socket.io,关注Web前端开发技术",
      description: "Egg中文社区,nodejs, node, express,egg,koa2,ThinkJS, socket.io",
      title: "Egg-中文社区",
      name: "",

/**
 * Created by bear on 2018/3/2.
 */
'use strict';
const Controller = require('egg').Controller;
class TopicsController extends Controller {
  async index() {
    const { size, num } = this.ctx.query;
    const result = await this.service.topics.index(Number(size), Number(num));
    this.ctx.body = result;
    this.status = 200;
  }
  async show() {
    const result = await this.service.topics.show(this.ctx.params);
    this.ctx.body = result;
    this.status = 200;
  }
  async create() {
    const parmas = this.ctx.request.body;
    const result = await this.service.topics.create(parmas);
    this.ctx.body = result;