feat: 用户登录和授权

src/app.wpy

@@ -4,42 +4,29 @@ import eventHub from './common/eventHub';
 import vuex from '@wepy/x';
 wepy.use(vuex);
 
-// import store from './store';
 wepy.app({
   hooks: {
     // App 级别 hook，对整个 App 生效
     // 同时存在 Page hook 和 App hook 时，优先执行 Page hook，返回值再交由 App hook 处
   },
-  data: {
-    userInfo: null
-  },
-
   onLaunch() {
-    let that = this;
-    wx.getSetting({
-      success: res => {
-        if (res.authSetting['scope.userInfo']) {
-           // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
-          wx.getUserInfo({
-            success: res => {
-               // 可以将 res 发送给后台解码出 unionId
-//               store.dispatch('setUserInfo',res.userInfo);
-
-               // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
-               // 所以此处加入 callback 以防止这种情况
-              if (that.userInfoReadyCallback) {
-                that.userInfoReadyCallback(res => {
-//                   store.dispatch('setUserInfo',res.userInfo);
-                 })
+    wx.checkSession({
+      success () {
+        console.log('已登录')
+        //session_key 未过期，并且在本生命周期一直有效
+      },
+      fail () {
+        // session_key 已经失效，需要重新执行登录流程
+        wx.login({
+          success (res) {
+            if (res.code) {
+              //发起网络请求，告诉后端
+              wx.setStorageSync('wxCode',res.code);
+            } else {
+              console.log('登录失败！' + res.errMsg)
             }
           }
         })
-         }else{
-           // 未授权，跳转到授权页面
-          wx.reLaunch({
-            url: '/pages/auth'
-          });
-        }
       }
     });
     wx.setStorageSync('onNetworkStatusChange', true);

src/pages/index.wpy

@@ -134,8 +134,31 @@
     position: absolute;
     z-index: 7;
   }
+  .authmodal{
+    width:100%;
+    height:100%;
+    background-color: rgba(0,0,0,0.7);
+    position: fixed;
+    z-index:20;
+    .wrap {
+      width: 90%;
+      margin:0 auto;
+      position: relative;
+      top:200px;
+      padding: 50rpx 0;
+      background-color: #fff;
+      border-radius: 20rpx;
+      .text {
+        color:#333;
+        text-align: center;
+      }
+      button {
+        width:80%;
+      }
+    }
+  }
 </style>
-<wxs module="tools" lang="babel">
+<wxs module="tools">
   function computClass (current,index,length) {
     var allclass = "";
     if(current==index)
@@ -205,6 +228,12 @@
         </swiper-item>
       </swiper>
     </view>
+    <view class="authmodal" v-show="authmodal">
+      <view class="wrap">
+        <view class="text">来到lukii，再平凡的人，也有幸运的权利！</view>
+        <button open-type="getUserInfo" bindgetuserinfo="getUserInfo">授权并进入</button>
+      </view>
+    </view>
     <!-- <network v-if="!isConnected"></network> -->
     <!-- <star-animation></star-animation> -->
     <!-- <open-animation></open-animation> -->
@@ -226,7 +255,7 @@
       list:[],
       adlist:[],
       current:5,
-      userInfo: {},
+//      userInfo: {},
       swiperItem:3,
       videoList:[],
       length: 4,
@@ -234,14 +263,15 @@
       topPage:0,
       lastPage:0,
       currentIndex:5,
+      authmodal:false,
     },
 
     computed: {
-      ...mapState([ 'isConnected' ])
+      ...mapState([ 'isConnected', 'userInfo' ])
     },
 
     methods: {
-      ...mapActions([ 'setIsConnected' ]),
+      ...mapActions([ 'setIsConnected', 'setUserInfo' ]),
       moveSwiper(e){
         if(e.$wx.detail.source == 'touch') {
           let current = e.$wx.detail.current;
@@ -278,7 +308,6 @@
               if (callNow) func();
             }
           }
-          console.log(current,this.list.length,222);
           if(current <= 2) {
             debounce(setTimeout(function(){
               that.topPage +=1;
@@ -357,9 +386,6 @@
         } else {
           // console.log("手势未触发=====");
         }
-      },
-      forbidMove() {
-  
       },
       changeVideo(e) {
         this.setIsConnected();
@@ -370,7 +396,7 @@
           console.log('add video');
         }
       },
-      deleteAnimation: function(current) {
+      deleteAnimation (current) {
         if (current && current.itemid != undefined) {
           let list = this.list;
           list = list.map((item, index) => {
@@ -391,7 +417,15 @@
             that.list = newlist;
           }, 500);
         }
+      },
+      getUserInfo (e) {
+        if(e.$wx.detail.userInfo) {
+          this.setUserInfo(e.$wx.detail.userInfo);
+//          this.userInfo = e.$wx.detail.userInfo;
+          this.authmodal = false;
         }
+//        store.dispatch('setUserInfo',e.$wx.detail.userInfo);
+      },
     },
 
     created () {
@@ -403,11 +437,6 @@
           success (res) {
             self.userInfo = res.userInfo;
             store.dispatch('setUserInfo', res.userInfo);
-          },
-          fail () {
-            wx.reLaunch({
-              url: '/pages/auth'
-            });
           }
         });
       }
@@ -442,7 +471,35 @@
       this.videoList = urls.map((url, index) => ({ id: index + 1, url }));
     },
     onLoad () {
-
+      let that = this;
+      //如果已经存在store里就不用再获取用户信息了
+      if(this.userInfo) return;
+      wx.getSetting({
+        success: res => {
+          if (res.authSetting['scope.userInfo']) {
+            // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
+            wx.getUserInfo({
+              success: res => {
+                // 可以将 res 发送给后台解码出 unionId
+                if(res.userInfo) {
+                  that.setUserInfo(res.userInfo);
+//                  that.userInfo = res.userInfo;
+                }
+                // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
+                // 所以此处加入 callback 以防止这种情况
+                if (that.userInfoReadyCallback) {
+                  that.userInfoReadyCallback(res => {
+                    that.setUserInfo(res.userInfo||{});
+//                    that.userInfo = res.userInfo||{};
+                  })
+                }
+              }
+            })
+          }else{
+            that.authmodal = true;
+          }
+        }
+      });
     },
   });
 </script>