通过vue.js实现微信支付

onBridgeReady: function () {
 const openId = localStorage.getItem('openId')
 payService.payment(this.$route.params.orderId, 1, openId).then(rt => { //1:支付类型，可不填
 this.message = rt.t
 WeixinJSBridge.invoke(
 'getBrandWCPayRequest', {
 'appId': this.message.appId,
 'timeStamp': this.message.timeStamp,
 'nonceStr': this.message.nonceStr,
 'package': this.message.package,
 'signType': this.message.signType,
 'paySign': this.message.paySign
 },
 function (res) {
 console.log(res)
 if (res.err_msg === 'get_brand_wcpay_request:ok') {
 Toast('微信支付成功')
 this.$router.push('/MineOrder')
 } else if (res.err_msg === 'get_brand_wcpay_request:cancel') {
 Toast('用户取消支付')
 // window.location.href = 'gift_failview.do?out_trade_no=' + this.orderId
 } else if (res.err_msg === 'get_brand_wcpay_request:fail') {
 Toast('网络异常，请重试')
 }
 }
 )
 })
 },
 callpay: function () {
 if (typeof WeixinJSBridge === 'undefined') {
 if (document.addEventListener) {
 document.addEventListener('WeixinJSBridgeReady', this.onBridgeReady(), false)
 } else if (document.attachEvent) {
 document.attachEvent('WeixinJSBridgeReady', this.onBridgeReady())
 document.attachEvent('onWeixinJSBridgeReady', this.onBridgeReady())
 }
 } else {
 this.onBridgeReady()
 }
 }