基于 Node.js开发的KoaHub.js获取/设置会话功能代码

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如果您没有在项目中使用Babel，没有Babel你也可以试试这个版本。

koa-session2

Middleware for Koa2 to get/set session use with custom stores such as Redis or mongodb with Babel

koa-session2

Middleware for Koa2 to get/set session use with custom stores such as Redis or mongodb with Babel

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If you are not using babel in your projects, maybe you can try this version without babel.

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Installnpm install koa-session2Usageimport Koa from "koa";

import session from "koa-session2";

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const app = new Koa();

app.use(session({

key: "SESSIONID", //default "koa:sess"

}));

Custom Stores

Store.jsimport Redis from "ioredis";

import {Store} from "koa-session2";

export default class RedisStore extends Store {

constructor() {

super();

this.redis = new Redis();

}

async get(sid) {

return await this.redis.get(`SESSION:${sid}`);

}

async set(session, opts) {

if(!opts.sid) {

opts.sid = this.getID(24);

}

await this.redis.set(`SESSION:${opts.sid}`, session);

return opts.sid;

}

async destroy(sid) {

return await this.redis.del(`SESSION:${sid}`);

}

}

main.jsimport Koa from "koa";

import session from "koa-session2";

import Store from "./Store.js";

const app = new Koa();

app.use(session({

store: new Store()

}));

app.use(ctx => {

let user = ctx.session.user;

ctx.session.view = "index";

});

Options

Most options based on cookieskey: a string for store session id in cookie

store: a class for custom store (extend {Store}, func: #get(sid), #set(session, opts), #destory(sid))

maxAge: a number representing the milliseconds from Date.now() for expiry

expires: a Date object indicating the cookies expiration date (expires at the end of session by default).

path: a string indicating the path of the cookie (/ by default).

domain: a string indicating the domain of the cookie (no default).

secure: a boolean indicating whether the cookie is only to be sent over HTTPS (false by default for HTTP, true by default for HTTPS).

httpOnly: a boolean indicating whether the cookie is only to be sent over HTTP(S), and not made available to client JavaScript (true by default).

signed: a boolean indicating whether the cookie is to be signed (false by default). If this is true, another cookie of the same name with the .sig suffix appended will also be sent, with a 27-byte url-safe base64 SHA1 value representing the hash of cookie-name=cookie-value against the first Keygrip key. This signature key is used to detect tampering the next time a cookie is received.

overwrite: a boolean indicating whether to overwrite previously set cookies of the same name (false by default). If this is true, all cookies set during the same request with the same name (regardless of path or domain) are filtered out of the Set-Cookie header when setting this cookie.

License

MIT

KoaHub.js — 基于 Koa.js 平台的 Node.js web 快速开发框架

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