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qwh5/src/views/extend.vue

 <script lang="ts" setup>
 import { getQueryString } from '@/utils/common'
 import { ref, onBeforeMount, getCurrentInstance } from "vue";
+import { Toast } from 'vant';
 const { proxy } = getCurrentInstance();
 onBeforeMount(() => {//组件挂载之前
   if (getQueryString('againJump')) {
   } else {//获取用户信息
     let redirect_uri = encodeURIComponent(window.location.href + '&againJump=true')
     let url = `https://open.weixin.qq.com/connect/oauth2/authorize?appid=${getQueryString('corpid')}&redirect_uri=${redirect_uri}&response_type=code&scope=snsapi_base&state=1&agentid=1000012#wechat_redirect`;
+    goUrl(url)
   }
 });
 const getUserInfo = () => {
     state: getQueryString('state')
   }, true).then((res) => {
     if (res.rst) {
-      // now_res.external_userid = res.rst.external_userid
-      // now_res.openid = res.rst.openid
-      // now_res.device_id = res.rst.device_id
-      // behaviorReport(1, UUID.value)
+      if (getQueryString('jumpLink')) {
+        let url = decodeURIComponent(getQueryString('jumpLink')) + '&external_userid=' + res.rst.external_userid;
+        goUrl(url)
+      } else {
+        Toast('无回跳链接！')
+      }
     }
   }).catch((err) => {
   })
 }
+function goUrl(url) {
+  let link = document.createElement("a");
+  link.href = url;
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+}
 </script>