???? koa2? ???? WeChat?? ?? ?? ???? ???? ??? ?? ??????. koa2? ???? WeChat?? ?? ?? ???? ??? ?? ?? ??? ?????? ????.

?? ?? ?? ?? Koa? ?? ????? ????. Express? ?? Koa? ?? ???? ? ?? ?? ???? ?? ?????. ?? ??? ???? ??? ??? ??? ???? ????. ????? ???? ??? ????? Koa? ? ??????? ???? ??? ???? ???? ?? ??? ????? ???? ??? ?? ? ?? ?? ?? ???? ?? ?????. koa? ?? ???? ?? ????? ????? ??? ??? ??? ?? ?????? ????? ? ?????? ??? ????. nodejs? ????? ??? ?? ????? WeChat ?? ??? ?? ??? ????? ?? ?????. pm2? ?? ???? ??? ??? ?? ??? ??? ??? ??? ?? ?? ??? ?? ??? ?? ?? ?? ?? ???? ?? ?????? ?? ? ????.

koa2? ???? WeChat ?3? ?? ???? ??? ? ?? ?? ???? ? ?? WeChat?? ??? XML ???? ?? ??? ?? XML ??? WeChat? ???? ?????.
koa ??? ?????? ??? ??? ???? ?? ?? ???? ??? express? ??? ?????? ??????. ??? ??? ? git ??? ?????: https://github .com /yxz1025/koa-lana, ?? WeChat ???? ? ?????? ????. ?? ???????!

???, ?? WeChat?? ??? xml ???? ?? ??? ???????.

======tool.js=====
//截獲微信返回的xml流文件
const?Promise?=?require('bluebird');
//普通post流轉(zhuǎn)化為promise
var?Tool?=?{
??convertPost:?function(req)?{
????let?post_data?=?"";
????return?new?Promise(function(resolve,?reject){
??????req.on('data',?function(chunk)?{
????????post_data?+=?chunk;
??????});
??????req.on('end',?function()?{
????????resolve(post_data);
??????});
????});
??},
};
module.exports?=?Tool;
=====weichat.js======
//微信響應(yīng)主體文件
const?router?=?require('koa-router')();
const?parseMessage?=?require('../common/parseMessage');
const?config?=?require('../config');
const?WXBizMsgCrypt?=?require('wechat-crypto');
const?middleware?=?require('../model/middleware');
const?validator?=?require('validator');
const?Aes?=?require('../common/aes');
const?Tool?=?require('../common/tool');
const?cryptor?=?new?WXBizMsgCrypt(config.component_config.token,?config.component_config.key,?config.component_config.component_appid);
//第三方授權(quán)路徑?/:appid/callback??/wechat/100234/callback
router.post('/:appid/callback',?async?function(ctx,?next)?{
??let?post_data?=?"";
??let?req?=?ctx.req;
??post_data?=?await?Tool.convertPost(req);
??let?xml?=?parseMessage(post_data);
??let?signature?=?cryptor.getSignature(ctx.query.timestamp,?ctx.query.nonce,?xml.encrypt);
??if?(ctx.query.msg_signature?!=?signature)?{
????ctx.body?=?'Auth?failed!';?//?指紋碼不匹配時(shí)返回錯(cuò)誤信息，禁止后面的消息接受及發(fā)送
??}
??let?message?=?middleware.decryptXml(xml);
??let?appid?=?ctx.params.appid;
??message.appId?=?appid;
??//發(fā)送消息隊(duì)列
??switch?(message.msgType)?{
????case?'text':
??????//測(cè)試
??????if?(message.toUserName?==?"gh_3c884a361561")?{
????????if?(message.content?==?"TESTCOMPONENT_MSG_TYPE_TEXT")?{
??????????let?text?=?middleware.text(message,?message.content?+?"_callback");
??????????let?reply?=?middleware.encryptXml(text);
??????????return?ctx.body?=?reply;
????????}
????????let?content?=?message.content;
????????if?(content.indexOf("QUERY_AUTH_CODE")?!=?-1)?{
??????????ctx.body?=?"";
??????????let?code_li?=?content.split(":");
??????????await?middleware.customSend(message.fromUserName,?code_li[1]);
??????????return;
????????}
??????}
??????let?keywords?=?validator.trim(message.content).toLowerCase();
??????let?member_config?=?await?middleware.getMemberConfig(message.toUserName,?keywords);
??????if?(!member_config)?{
????????await?middleware.sendMnsQuene(message);
????????return?ctx.body?=?"success";
??????}else{
?????????//匹配成功
????????message.packetsId?=?parseInt(member_config.hongbaoId);
????????message.keywords?=?keywords;
????????await?middleware.sendMnsQuene(message);
????????let?data?=?{
??????????title:?member_config.news_title?||?'點(diǎn)我領(lǐng)紅包',
??????????description:?member_config.description?||?'第一輪紅包雨開始了,手快有,手慢無(wú)！',
??????????picurl:?member_config.picurl?||?'http://7xqomp.com2.z0.glb.qiniucdn.com/17269743.png'
????????};
????????let?key?=?{
??????????fromUserName:?message.fromUserName,
??????????toUserName:?message.toUserName,
??????????keywords:?keywords,
??????????appId:?appid
????????};
????????key?=?JSON.stringify(key);
????????key?=?Aes.encypt(key);
????????key?=?Aes.base64_encode(key);
????????//獲取授權(quán)域名
????????let?auth_url?=?await?middleware.packetDomain();
????????data.url?=?"http://"?+?appid?+?"."?+?auth_url?+?"/redPackets/koulin?key="?+?key;
????????let?news?=?middleware.news(message,?[data]);
????????let?reply?=?middleware.encryptXml(news);
????????ctx.body?=?reply;?
????????return;???????
??????}
??????break;
????case?'event':
??????await?middleware.sendMnsQuene(message);
??????//測(cè)試專用
??????if?(message.toUserName?==?"gh_3c884a361561")?{
????????let?text?=?middleware.text(message,?message.event?+?"from_callback");
????????let?reply?=?middleware.encryptXml(text);
????????ctx.body?=?reply;
????????return;
??????}
??????break;
????default:
??????await?middleware.sendMnsQuene(message);
??????ctx.body?=?"success";
??????return;
??};
});
module.exports?=?router;

? ??? ??? ?? ? ??? ?????? ?????. ? ???? ??? ??? ?? ?? ??? ?????. PHP ??? ????? ??!

?? ??:

Koa2 WeChat ?? ?? ?? ?? ??? ?? ?? ? ??? ?? ??

Koa2 WeChat ?? ?? ?? ???? ??? ?? ??

? ??? koa2? ???? WeChat ?3? ?? ???? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!