nodejs egg-jwt 生成token

  post('/login',{username,psw}).then(res => {
  console.log(res) // 后端返回的token
  window.localStorage.setItem('token',res)
})

'use strict';
const Controller = require('egg').Controller;
class LoginController extends Controller {
  async index() {
    const { ctx } = this;
    let {userName,psw} = ctx.request.body;
    let result = await this.service.login.index(userName,psw) // 交给service处理生成 token
    ctx.body = result;
  }
}
module.exports = LoginController;

module.exports = app => {
  class LoginService extends app.Service {
    async index(userName,psw) {
        if(userName&&psw){
            const token = app.jwt.sign({ userName,psw }, app.config.jwt.secret,{expiresIn:'24h'});
            /*
            * sign({根据什么生成token})
            * app.config.jwt.secret 配置的密钥
            * {expiresIn:'24h'} 过期时间
      */
            return token
        }
    }
  }
  return LoginService
}

router.get('/getData',jwt, controller.getData.index); // jwt 指明这个请求需要token才能收到返回结果

//拦截
request.interceptors.request.use((config) => {
    config.headers.authorization = `Bearer ${window.localStorage.getItem("token")}`;
    return config;
}, (err) => {
    console.error(err);
});
//拦截响应
request.interceptors.response.use((response) => {
    return response.data;
}, (err) => {
    console.log(err);
});