安乐国

+//app.js
+App({
+  onLaunch: function () {
+    // 展示本地存储能力
+    var logs = wx.getStorageSync('logs') || []
+    logs.unshift(Date.now())
+    wx.setStorageSync('logs', logs)
+
+    // 登录
+    wx.login({
+      success: res => {
+        // 发送 res.code 到后台换取 openId, sessionKey, unionId
+      }
+    })
+    // 获取用户信息
+    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
+              this.globalData.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 (this.userInfoReadyCallback) {
+                this.userInfoReadyCallback(res)
+              }
+            }
+          })
+        }
+      }
+    })
+  },
+  globalData: {
+    userInfo: null
+  }
+})
\ No newline at end of file

+{
+  "pages": [
+      "pages/main/mainindex/mainindex",
+    "pages/index/index",
+    "pages/logs/logs"
+ 
+  ],
+  "window": {
+    "backgroundTextStyle": "light",
+    "navigationBarBackgroundColor": "#fff",
+    "navigationBarTitleText": "WeChat",
+    "navigationBarTextStyle": "black"
+  }
+}
\ No newline at end of file

+/**app.wxss**/
+.container {
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: space-between;
+  padding: 200rpx 0;
+  box-sizing: border-box;
+}