Summarize the method of using WeChat public account payment in vue project

The content of this article is to summarize the payment methods using WeChat public accounts in the vue project. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

WeChat public account payment

1. Use jssdk to call WeChat payment, please check the development documentation for details;

The vuex used is in mutations

    wechatPay (state, data) {
         state.payObject = data
         console.log('微信支付开始请求')
         if (wechat) {
           wx.chooseWXPay({
             timestamp: state.payObject.timeStamp, // 支付签名时间戳
             nonceStr: state.payObject.nonceStr, // 支付签名随机串，不长于 32 位
             package: state.payObject.package, // 统一支付接口返回的prepay_id参数值
             signType: state.payObject.signType, // 签名方式使用新版支付需传入'MD5'
             paySign: state.payObject.paySign, // 支付签名
             success: function (res) {
               alert('成功')
               alert(JSON.stringify(res))
             },
             cancel: function (res) {
               alert('已取消支付')
               alert(JSON.stringify(res))
             },
             fail: function (res) {
               alert(JSON.stringify(res))
             }
           })
         }
       }

In commit

    // 存储微信支付数据data
    let data = res.body.data
    console.log('即将跳转微信支付')
    this.$store.commit({
        timeStamp: data.timeStamp,
        nonceStr: data.nonceStr,
        type: 'wechatPay',
        package: data.package,
        signType: data.signType,
        paySign: data.paySign
    })

on the payment page. 2. After clicking the completion button for payment, the front-end will receive the return value of JavaScript;

3. The background will receive a payment success callback notification from the WeChat open platform

Step on the Pit

1. chooseWXPay:fail, the permission value is offline verifying

这是因为不能在在微信开发者工具上测试，需要真机测试

2. chooseWXPay:fail

需要配置正确的支付授权目录，vue的单页应用直接配置为域名就行。

其他需要配置为调用支付的上一级目录，以/结束

3. Order account and payment Account inconsistency

需要后台看一下openId配置

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