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wechat-app-session

v1.0.2

Published

Simple express session middleware for wechat app

Downloads

9

Readme

wechat-app-session

NPM Version

由于微信小程序没有 cookie 的概念,一般的 session 库并不适用。wechat-app-session 通过校验请求 header 特定字段的方式, 以 express-session 为基础修改成适用于微信小程序场景的 session middleware。

install

$ npm install wechat-app-session
# or
$ yarn add wechat-app-session

Example

var express = require('express')
var session = require('wechat-app-session')

app.use(session({
  serect: 'this is a serect',
}))

app.use(function (req, res, next) {
  if (!req.session.views) {
    req.session.views = {}
  }

  // get the url pathname
  var pathname = parseurl(req).pathname

  // count the views
  req.session.views[pathname] = (req.session.views[pathname] || 0) + 1

  next()
})

app.get('/foo', function (req, res, next) {
  res.send('you viewed this page ' + req.session.views['/foo'] + ' times')
})

app.get('/bar', function (req, res, next) {
  res.send('you viewed this page ' + req.session.views['/bar'] + ' times')
})

API

session(options)

Options

暂时只支持设置以下四个配置项:

serect

对 session key 进行签名的 serect,必填项。

key

选填项,默认值为 wx_app_session.id。为请求头部添加的特定 header 字段。要求从微信小程序端发出的请求必须携带此字段,若无则会新生成 session key。

store

存储 session 的 store,若不传则默认值使用内存来进行 session 存储。开发环境下允许不设置 store,生产环境不允许。

支持的 store 与 express-session 一致,详情请参考:express-session

maxAge

session 有效期限,选填项。默认为: 24 * 3600 * 1000