egg实现登录鉴权（一）：生成token

项目地址

https://github.com/XingGuoZM/egg-proj

开发环境

node v12.10.0

第一步：确保项目能跑起来

mkdir egg-proj && cd egg-proj
npm init egg --type=simple
npm install
npm run dev

遇到需要选择的地方回车即可

第二步：安装依赖包

安装插件

- npm install --save egg-cors egg-jwt

第三步：完成功能，生成token

config/config.default.js

/* eslint valid-jsdoc: "off" */

‘use strict’;

@param {Egg.EggAppInfo} appInfo app info
/
module.exports = appInfo => {
/*
- built-in config
- @type {Egg.EggAppConfig}
  /
  const config = exports = {};

// use for cookie sign key, should change to your own and keep security
config.keys = appInfo.name + ‘_1576461360545_5788’;

// add your middleware config here
config.middleware = [];
config.jwt = {
secret: ‘123456’,
};
// 安全配置（https://eggjs.org/zh-cn/core/security.html）
config.security = {
csrf: {
enable: false,
ignoreJSON: true,
},
// 允许访问接口的白名单
domainWhiteList: [ ‘http://localhost:8080’ ],
};
// 跨域配置
config.cors = {
origin: ‘*’,
allowMethods: ‘GET,HEAD,PUT,POST,DELETE,PATCH’,
};
// add your user config here
const userConfig = {
// myAppName: ‘egg’,
};

return {
…config,
…userConfig,
};
};

config/plugin.js

'use strict';

/ @type Egg.EggPlugin */
module.exports = {
jwt: {
enable: true,
package: ‘egg-jwt’,
},
cors: {
enable: true,
package: ‘egg-cors’,
},
};

app/controller/user.js

'use strict';

const Controller = require(‘egg’).Controller;

class UserController extends Controller {
// 登录
async login() {
const { ctx, app } = this;
const data = ctx.request.body;
const token = app.jwt.sign({
nickname: data.nickname,
}, app.config.jwt.secret);
ctx.body = token;
}
// 验证token，请求时在header配置 Authorization=Bearer ${token}
// 特别注意：token不能直接发送，要在前面加上Bearer字符串和一个空格
async index() {
const { ctx } = this;
console.log(ctx.state.user);
ctx.body = { code: 201, msg: ‘验证成功’ };
}
}

module.exports = UserController;

app/router.js

'use strict';

@param {Egg.Application} app - egg application
*/
module.exports = app => {
const { router, controller, jwt } = app;
router.get(’/’, controller.home.index);

router.post(’/user/login’, controller.user.login);
router.post(’/user’, jwt, controller.user.index);
};

package.json

{
  "name": "jwt",
  "version": "1.0.0",
  "description": "",
  "private": true,
  "egg": {
    "declarations": true
  },
  "dependencies": {
    "egg": "^2.15.1",
    "egg-cors": "^2.2.3",
    "egg-jwt": "^3.1.7",
    "egg-scripts": "^2.11.0",
    "egg-sequelize": "^5.2.0",
    "mysql2": "^2.0.2"
  },
  "devDependencies": {
    "autod": "^3.0.1",
    "autod-egg": "^1.1.0",
    "egg-bin": "^4.11.0",
    "egg-ci": "^1.11.0",
    "egg-mock": "^3.21.0",
    "eslint": "^5.13.0",
    "eslint-config-egg": "^7.1.0"
  },
  "engines": {
    "node": ">=10.0.0"
  },
  "scripts": {
    "start": "egg-scripts start --daemon --title=egg-server-jwt",
    "stop": "egg-scripts stop --title=egg-server-jwt",
    "dev": "egg-bin dev",
    "debug": "egg-bin debug",
    "test": "npm run lint -- --fix && npm run test-local",
    "test-local": "egg-bin test",
    "cov": "egg-bin cov",
    "lint": "eslint .",
    "ci": "npm run lint && npm run cov",
    "autod": "autod"
  },
  "ci": {
    "version": "10"
  },
  "repository": {
    "type": "git",
    "url": ""
  },
  "author": "",
  "license": "MIT"
}

第四步：使用postman自测

参考

eggjs入门系列-使用egg-jwt

分类: node系列

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