'use strict'; const assert = require('assert'); const _ = require('lodash'); const Controller = require('egg').Controller; /** * 微信支付 */ class WxPayController extends Controller { /** * 微信支付取得sign等参数 */ async wxpaysign() { const { orderno, money, content, openid } = this.ctx.request.body; assert(orderno, 'orderno不能为空'); assert(openid, 'openid不能为空'); assert(money, 'money不能为空'); const { wxapi } = this.app.config; const mch_id = wxapi.mchid; const nonce_str = await this.service.wxpay.createNonceStr(); const timestamp = await this.service.wxpay.createTimeStamp(); const body = content; const out_trade_no = orderno; const total_fee = await this.service.wxpay.getmoney(money); const spbill_create_ip = this.ctx.ip; const notify_url = wxapi.wxurl; const trade_type = 'JSAPI'; const sign = await this.service.wxpay.paysignjsapi(wxapi.appid, body, mch_id, nonce_str, notify_url, out_trade_no, spbill_create_ip, total_fee, trade_type, wxapi.mchkey, openid); let formData = ''; formData += '' + wxapi.appid + ''; // appid formData += ''; formData += '' + mch_id + ''; // 商户号 formData += '' + nonce_str + ''; // 随机字符串，不长于32位。 formData += '' + notify_url + ''; formData += '' + out_trade_no + ''; formData += '' + spbill_create_ip + ''; formData += '' + total_fee + ''; formData += '' + trade_type + ''; formData += '' + sign + ''; formData += '' + openid + ''; formData += ''; const payurl = wxapi.payurl; const paydata = await this.ctx.curl(payurl, { method: 'post', data: formData, }); const prepay_id = await this.service.wxpay.getXMLNodeValue(paydata.data.toString('UTF-8')); // 将预支付订单和其他信息一起签名后返回给前端 const finalsign = await this.service.wxpay.paysignjsapifinal(wxapi.appid, mch_id, prepay_id, nonce_str, timestamp, wxapi.mchkey); const res = { appId: wxapi.appid, partnerId: wxapi.mchid, prepayId: prepay_id, nonceStr: nonce_str, timeStamp: timestamp, package: 'prepay_id=' + prepay_id, sign: finalsign }; this.ctx.ok({ data: res }); } async wxpaysignback() { const { ctx } = this; ctx.body = 'hi, egg'; } } module.exports = WxPayController;