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在vue项目中，支付功能并不复杂，具体需求需要配合后端一起实现，本文章将带你简单了解支付功能实现的流程
支付界面如下所示：
当点击立即支付时，触发支付事件：
支付流程：
调用支付接口→拿到form表单→调起支付页面→查询支付结果
支付详解：
1、支付接口的参数并不是固定的，而是由后端决定，在接口发送成功后，我们会的得到响应数据，该数据并非JSON格式，而是一个表单数据！
2、接下来如何将得到的数据调起支付界面呢？我们需要在页面中有一个可以提供渲染的元素，该元素可以在网页的任何位置
<div ref="alipayWap" v-html="alipay" />
3、在接口响应成功后，将数据渲染到元素内，通过触发表单的提交事件，就可以调起支付接口了，是不是非常简单
// 调用支付接口 payTwoHundred({}).then((res) => { // 渲染支付页面 this.alipay = res.data;
// 防抖避免重复支付 this.$nextTick(() => { // 提交支付表单
this.$refs.alipayWap.children[0].submit(); setTimeout(() => { // this.toPayFlag
= false; }, 500); }); }
4、成功后调起的支付界面
其实以上，支付功能已经实现了，但是在支付之后，如何验证是否支付成功呢？？？
我们需要获取到该支付的订单ID，然后向后端发送请求以验证，但是支付页面跳转之后，是获取不到当前订单ID的，接下来我们需要：
1、在付款成功后，让后端将页面重定向到原来的页面，将需要到参数回调到地址栏
2、回到页面中我们发现，地址栏多了很多参数，截取地址栏的参数，就可以获得订单ID了，接下来只需要发请求验证既可
参考代码：
// 查询是否支付成功 queryPay() { // 获取地址栏 const href = window.location.href; //
截取地址栏参数 const orderId = href.split('?')[1].split('&')[1].split('=')[1]; const
param = { orderId: orderId, type: '支付宝支付' }; getOrderPayType(param).then((res)
=> { if (res.code === '0000') { this.$message.success('支付成功'); } else {
this.$message.error('支付失败'); } }); },
