✨ feat: 微信支付成功后，回调页面获取金额和ID

+<!--
+ * @Date: 2022-04-27 10:08:22
+ * @LastEditors: hookehuyr hookehuyr@gmail.com
+ * @LastEditTime: 2022-06-17 13:50:54
+ * @FilePath: /tswj/src/views/client/wechatpayCallback.vue
+ * @Description: 微信支付成功后回调
+-->
 <template>
   <div class="wechatpay-callback-page">
     <div class="pay-success">
@@ -20,21 +27,18 @@
 <script setup>
 import MyButton from '@/components/MyButton/index.vue'
 import icon_wechatpay from '@images/zhifu@2x.png'
-import { ref, reactive, onMounted } from 'vue'
+import { ref, onMounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import axios from '@/utils/axios';
-import $ from 'jquery'
-import { Toast } from 'vant';
 const $route = useRoute();
 const $router = useRouter();
 
-// TODO: 微信支付成功后回调
-const amount = ref(50)
+const amount = ref(0)
 onMounted(() => {
-
+  // 捐赠金额
+  amount.value = $route.query.amount
 })
 
-// TODO: 需要获取 donate_id
+// 需要获取 donate_id
 // 跳转到捐赠证书页面，替换掉当前页面，不能返回这个页面
 const getCert = () => {
   $router.replace({