Express-wechat-access NPM

express-wechat-access

Express-based wechat authentication middleware

Installation

$ yarn add express-wechat-access

$ npm install express-wechat-access

Note：when your node_version >= 7.6, you can install with @next tag
$ yarn add express-wechat-access@next

$ npm install express-wechat-access@next

## How to import

const weAccessMiddleware = require('express-wechat-access');

## Usage

### Template example


> Note: The current test template engine uses handlebars, you can depending on your project, ejs, jade, etc.

wx.ready(function () {
    var link = location.href;

    wx.onMenuShareTimeline({
        title: document.title,
        link: link,
        // shared icon
        imgUrl: 'https://xxx.com/file/B2C785DD9AF24CD09F1872A766166609',
        trigger: function (res) {
        },
        success: function (res) {
        },
        cancel: function (res) {
        },
        fail: function (res) {
        }
    });

    wx.onMenuShareAppMessage({
        title: document.title,
        desc: '',
        link: link,
        // shared icon
        imgUrl: 'https://xxx.com/file/B2C785DD9AF24CD09F1872A766166609',
        type: 'link',
        dataUrl: '',
        success: function () {
        },
        cancel: function () {
        }
    });
});

Code example

const path = require('path');
const fs = require('fs');
const express = require('express');
const handlebars = require('handlebars');
// Import wechat authentication middleware
const weAccessMiddleware = require('express-wechat-access');
const app = express();

function getTplStr() {
    const tplPath = path.join(__dirname, 'index.hbs');
    return new Promise(
        (resolve, reject) => {
            fs.readFile(
                tplPath,
                (err, data) => {
                    if (err) {
                        reject(err);
                        return;
                    }
                    resolve(data.toString());
                }
            );
        }
    );
}

app.use(
    // Use wechat authentication middleware
    weAccessMiddleware(
        {
            // Fill in the appId based on the wechat platform account you applied for.
            appId: 'xxxxxxxx',
            // Fill in according to the appSecret of the wechat platform account you applied for.
            appSecret: 'xxxxxxxxxxxxxxx',
            accessTokenUrl: 'https://api.weixin.qq.com/cgi-bin/token',
            ticketUrl: 'https://api.weixin.qq.com/cgi-bin/ticket/getticket',
            // protocol for the current url
            https: true
        },
        e => {
            // Write error handling logic
            console.error(e);
        }
    )
);

app.get(
    '/',
    async function (req, res) {
        const tplStr = await getTplStr();
        // Get the information of wechat authentication through req, and render the template through different template engines
        const html = handlebars.compile(tplStr)(req.weAccessInfo);
        res
            .type('html')
            .send(html);
    }
);

app.listen(8886);