Z: Dot: discount 页面和 qrCode 页面的 actionId, voucherId, unionId 做了准备与传递。等获取到数据即可拼接。

ybf_wx/src/views/qrCode/index.vue

 <template>
   <div class="qr-code">
-        <img id="image" src="" alt="">
+    <img id="image" src alt />
   </div>
 </template>
 
 <script>
-  import axios from 'axios'
-  export default {
-    name: 'index',
+import axios from "axios";
+export default {
+  name: "index",
   data() {
     return {
-        accessToken: ""
-      }
+      accessToken: "",
+      nowUrl: "",
+      activeId: "",
+      voucherId: "",
+      unionId: ""
+    };
   },
   mounted() {
-      this.getAcessToken()
-      this.createCode()
+    this.getAcessToken();
+    this.createCode();
   },
   methods: {
-      getAcessToken(){
-        let _this = this
+    cleanUrl() {
+      const url = this.$route;
+
+      this.activeId = url.split("&")[1];
+      this.voucherId = url.split("&")[2];
+      this.unionId = url.split("&")[3];
+    },
+    getAcessToken() {
+      let _this = this;
       axios({
         url: "http://139.155.48.151:8085/workWx/auth/oauth2/getAccessToken",
-          method: "get",
-        }).then(res=>{
-          _this.accessToken = res.data.data
-          _this.createCode()
-        })
+        method: "get"
+      }).then(res => {
+        _this.accessToken = res.data.data;
+        _this.createCode();
+      });
     },
     createCode() {
-        let pageUrl = `/wxx/cgi-bin/wxaapp/createwxaqrcode?access_token=${this.accessToken}`
+      let pageUrl = `/wxx/cgi-bin/wxaapp/createwxaqrcode?access_token=${this.accessToken}`;
       $.ajax({
         type: "POST",
         url: pageUrl,
-          data: JSON.stringify({"path": "pages/signIn/signIn"}),
+        data: JSON.stringify({ path: "pages/signIn/signIn" }),
+        data: JSON.stringify({ path: `pages/coupon/detail/detailid=${this.voucherId}&actionid=${this.activeId}&unionid=${this.unionId}` }),
         xhrFields: { responseType: "arraybuffer" },
-          success: function (res) {
-            let imgUrl = 'data:image/png;base64,' + btoa(new Uint8Array(res).reduce((data, byte) => data + String.fromCharCode(byte), ''))
-            $('#image').attr('src',imgUrl)
+        success: function(res) {
+          let imgUrl =
+            "data:image/png;base64," +
+            btoa(
+              new Uint8Array(res).reduce(
+                (data, byte) => data + String.fromCharCode(byte),
+                ""
+              )
+            );
+          $("#image").attr("src", imgUrl);
         },
-          error: function (data) {
-            console.log(data)
+        error: function(data) {
+          console.log(data);
         }
       });
     }
   }
-  }
+};
 </script>
 
 <style scoped lang="scss">
-    .qr-code{
+.qr-code {
   text-align: center;
   padding-top: 50px;
   #image {
     display: inline-block;
     width: 60%;
   }
-    }
-
+}
 </style>

ybf_wx/src/views/sideNav/discount/index.vue

@@ -103,7 +103,11 @@ export default {
         userId: "",
         unionId: "",
         userInfo: "",
-        defaultImgUrl: "/mainSale/test-city.png"
+        defaultImgUrl: "/mainSale/test-city.png",
+        now: {
+          activeId: "",
+          voucherId: "",
+        }
       },
       zlist: {
         voucher: [],
@@ -227,6 +231,9 @@ export default {
     },
 
     zVoucherPick(inActiveId, inVoucherId) {
+      this.zcache.now.activeId = String(inActiveId)
+      this.zcache.now.voucherId = String(inVoucherId)
+
       this.zVoucherUrlDel();
 
       const postData = {
@@ -275,7 +282,7 @@ export default {
               msgtype: "text", //消息类型，必填
               news: {
                 // link: "http://qywx2.100smartdata.com/voucherInfo", //H5消息页面url 必填
-                link: `http://qywx2.100smartdata.com/qrCode?${inur}`, //H5消息页面url 必填
+                link: `http://qywx2.100smartdata.com/qrCode?Url=${inur}&activeId=${this.zcache.now.activeId}&voucherId=${this.zcache.now.voucherId}&unionId=${this.zcache.unionId}`, //H5消息页面url 必填
                 title: "Z: h5消息标题", //H5消息标题
                 desc: inUrl, //H5消息摘要
                 // imgUrl: "http://qywx2.100smartdata.com/hi.jpg" //H5消息封面图片URL