vue 微信支付sdk

import $ from ‘jquery’ //引入jq

$.wx={
  auth:function(url,appid){
    let redirectURI = encodeURIComponent(url);
    var url = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid='+appid+'&redirect_uri=' +
      redirectURI + '&response_type=code&scope=snsapi_base&state=WXPaySTATE#wechat_redirect'

    window.location.href = url;
  },
  jsSDK:function  (params,callback) {
    if (typeof window.WeixinJSBridge === 'undefined') {
      if (document.addEventListener) {
        document.addEventListener('WeixinJSBridgeReady', function () { $.wx.onBridgeReady(params,callback) }, false)
      } else if (document.attachEvent) {
        document.attachEvent('WeixinJSBridgeReady', function () { $.wx.onBridgeReady(params,callback) })
        document.attachEvent('onWeixinJSBridgeReady', function () { $.wx.onBridgeReady(params,callback) })
      }
    } else {
      $.wx.onBridgeReady(params,callback)
    }
  },
  onBridgeReady:function  (params,callback) {
    window.WeixinJSBridge.invoke(
      'getBrandWCPayRequest', {
        'appId': params.appid, // 公众号名称，由商户传入
        'timeStamp': params.timeStamp, // 时间戳，自1970年以来的秒数
        'nonceStr': params.nonceStr, // 随机串
        'package': params.package,
        'signType': 'MD5', // 微信签名方式：
        'paySign': params.sign // 微信签名
      },
      function (res) {
        callback && callback(res)
      }
    )
  }
}