WeChat Mini Programs

For code instructions select Node.js with the tabs above.

qfPayOpenAPI: function () {
    let app_code = 'YOUR_APP_CODE';
    let client_key = 'YOUR_CLIENT_KEY';
    let environment = 'https://test-openapi-hk.qfapi.com/trade/v1/payment';
    let openid = this.data.openid;
    let amount = this.data.amount * 100;
    let random_number = String(Math.round(Math.random() * 1000000000));
    let datetime = new Date().toISOString().replace(/T/, ' ').replace(/\..+/, '');

    let payload = {
      txamt: 100,
      txcurrcd: 'SGD',
      pay_type: '800213',
      out_trade_no: '0123456789',
      txdtm: '2020-07-03 03:14:29',
      sub_openid: 'oS80_5dxekECAOlVBeQFk34q123s'
    };

    var ordered = {};
    Object.keys(payload).sort().forEach(function(key) {
      ordered[key] = payload[key]
    });
    console.log(ordered)

    var str = [];
    for (var p in ordered) {
      if (ordered.hasOwnProperty(p)) {
        str.push(p + "=" + ordered[p]);
      }
    }

    var string = str.join("&") + client_key;
    console.log(string)

    var signature = utilMd5.hexMD5(string).toUpperCase()
    console.log(signature)

    wx.request({
      url: environment,
      data: payload,
      method: 'POST',
      header: {
        'X-QF-APPCODE': app_code,
        'X-QF-SIGN': signature,
        'content-Type': 'application/x-www-form-urlencoded'
      },
      success: (res) => {
        if (res.statusCode == 200) {
          console.log(res)
          console.log(res.data)
          this.weChatPayment(res);
        }
      },
      fail: (err) => {
        console.log(err);
      },
      complete: (res) => {
        wx.hideLoading();
        console.log("API request completed")
      }
    })
},

weChatPayment: function(res) {
    wx.requestPayment(
    {
    'timeStamp': '1593746074',
    'nonceStr': '69d8a67fe34e44ca9bb2a20dd299cc58',
    'package': 'prepay_id=wx03111434674853b80d25e0911996417600',
    'signType': 'MD5',
    'paySign': 'B0AECE676746F2A310CB06F27641E809',
    'success': function(res){},
    'fail': function(res){},
    'complete': function(res){}
    })
},