修改微信授权

src/store/modules/user.js

@@ -12,6 +12,7 @@ const user = {
     token: localStorage.getItem('token') || '',
     info: {}, // 用户信息
     wxInfo, // 微信信息，openid等
+    wxCode: '', // 微信code
   },
   mutations: {
     SET_TOKEN: (state, payload) => {
@@ -23,6 +24,9 @@ const user = {
     SET_WX_INFO: (state, payload) => {
       state.wxInfo = payload;
     },
+    SET_WX_CODE: (state, payload) => {
+      state.wxCode = payload;
+    },
   },
   actions: {
     // 外部登陆返回设置token
@@ -77,6 +81,7 @@ const user = {
     },
 
     getWxUserInfo({ state, commit }, code) {
+      commit('SET_WX_CODE', code);
       const type = 15;
       let url = process.env.BUILD_ENV === 'dev' ? `https://sc.yunqueyi.com/wechats/users/info/${type}/${code}` : getBaseUrl(`wechats/users/info/${type}/${code}`);
       fetch({

src/views/goods-detail.vue

@@ -108,6 +108,9 @@ export default {
     wxInfo() {
       return this.$store.state.user.wxInfo;
     },
+    wxCode() {
+      return this.$store.state.user.wxCode;
+    },
     tabLeft() {
       const num = this.curtTabIdx + 0.25 + 15 / 115;
       return this.tabW * num;
@@ -123,6 +126,15 @@ export default {
     if (token && !info.id) {
       this.$store.dispatch('getUserInfo');
     }
+    // 微信内先去授权
+    if (isWechat && !this.wxInfo.openid) {
+      if (location.search.indexOf('code') >= 0 || this.wxCode) {
+        // 避免code中转页再次授权
+        return;
+      }
+      wxOauth();
+      return;
+    }
     // 数量加减
     this.curtGoodsNum = this.goodsNum;
     this.countTotalPrice = debounce(this.getTotalPrice, 500);
@@ -263,12 +275,6 @@ export default {
         this.goLogin();
         return;
       }
-      // 微信内先去授权
-      if (isWechat && !this.wxInfo.openid) {
-        this.$toast('微信授权中');
-        wxOauth();
-        return;
-      }
       // 避免多次支付
       if (this.showLoading) {
         return;