登录适配;编写token刷新机制;架构完善;

app.js

@@ -1,4 +1,6 @@
 // app.js
+import request from './utils/request.js'
+
 App({
   onLaunch() {
     // 展示本地存储能力
@@ -6,12 +8,35 @@ App({
     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
+        request({
+          url:  '/wx/user/' + this.globalData.appID + '/login',
+          method: 'get',
+          data: {
+            code: res.code
+          } 
+        }).then(res => {
+          console.log(res)
+
+          this.globalData.login = true
+          // 设置登录时间
+          this.globalData.loginTime = Date.now()
+
+          // 设置登录信息
+          const userInfo = this.globalData.userInfo
+          userInfo.openid = res.openid
+          userInfo.postmark = res.postmark
+          userInfo.token = res.token
+        }).then(res => {
+          
+        }).catch(err => {
+          console.log(err)
+        })
       }
     })
+
     // 获取用户信息
     wx.getSetting({
       success: res => {
@@ -34,6 +59,10 @@ App({
     })
   },
   globalData: {
-    userInfo: null
+    userInfo: {},
+    loginTime: null,
+    login: false,
+    appID: 'wxb915ee2a665fcb6c',
+    baseURL: 'http://localhost:8088'
   }
 })

app.json

@@ -1,13 +1,14 @@
 {
-  "pages":[
+  "pages": [
     "pages/index/index",
-    "pages/logs/logs"
+    "pages/logs/logs",
+    "pages/bind-document/bind-document"
   ],
-  "window":{
+  "window": {
-    "backgroundTextStyle":"light",
+    "backgroundTextStyle": "light",
     "navigationBarBackgroundColor": "#fff",
     "navigationBarTitleText": "Weixin",
-    "navigationBarTextStyle":"black"
+    "navigationBarTextStyle": "black"
   },
   "style": "v2",
   "sitemapLocation": "sitemap.json"

pages/bind-document/bind-document.js

@@ -0,0 +1,66 @@
+// pages/bind-document.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad: function (options) {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady: function () {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow: function () {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide: function () {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload: function () {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh: function () {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom: function () {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage: function () {
+
+  }
+})

pages/bind-document/bind-document.json

@@ -0,0 +1,3 @@
+{
+  "usingComponents": {}
+}

pages/bind-document/bind-document.wxml

@@ -0,0 +1,2 @@
+<!--pages/bind-document.wxml-->
+<text>pages/bind-document.wxml</text>

pages/bind-document/bind-document.wxss

@@ -0,0 +1 @@
+/* pages/bind-document.wxss */

project.config.json

@@ -4,7 +4,7 @@
     "ignore": []
   },
   "setting": {
-    "urlCheck": true,
+    "urlCheck": false,
     "es6": true,
     "enhance": false,
     "postcss": true,

utils/request.js

@@ -0,0 +1,102 @@
+
+// 正在队列上的请求
+const pendings = []
+
+let refreshing = false
+
+// 刷新token
+const refresh_token = app => {
+  return new Promise((resolve, reject) => {
+    do_request(app, {
+      url: '/auth/token',
+      method: 'get'
+    }).then(res => {
+      // 设置登录信息
+      const userInfo = app.globalData.userInfo
+      userInfo.token = res.token
+      resolve(true)
+    }).catch(err => {
+      console.log(err)
+      // 清空登录信息
+      app.globalData.login = false
+      app.globalData.userInfo = {}
+      app.globalData.loginTime = null
+      refreshing = false
+      reject()
+    }).then(() => {
+      // 停止刷新状态
+      refreshing = false;
+      // 执行所有的代发请求
+      pendings.forEach(element => {
+        do_request(app, element)
+      })
+    })
+  })
+}
+
+// 实际操作函数
+const do_request = (app, options) => {
+  return new Promise((resolve, reject) => {
+    const { data, method, url } = options
+  
+    // 设置请求头
+    let header_options = {
+      'timestamp': Date.now(),
+      'X-Requested-With': 'XMLHttpRequest'
+    }
+  
+    // 检查登录状态
+    if(app.globalData.login) {
+      
+    }
+
+    options.url = app.globalData.baseURL + url
+  
+    if(data && method === 'post') {
+      header_options['Content-Type'] = 'application/x-www-form-urlencoded'
+    }
+    wx.request({
+      header: {
+        ...header_options
+     },
+      ...options,
+      success: function(res) {
+        const data = res.data
+        if(data.status >= 200 && data.status < 300) {
+          resolve(data.data)
+        } else {
+          reject(data.data)
+        }
+      },
+      fail: function(res) {
+        reject(res.data)
+      }
+    })
+  })
+}
+
+// 对外接口
+const request = options => {
+  return new Promise((resolve, reject) => {
+    const app = getApp()
+    // 获得登录时间
+    const loginTime = app.globalData.loginTime
+    // 检查是否达到刷新周期
+    if(loginTime != null && loginTime + 1000 * 60 < Date.now()) {
+      app.globalData.loginTime = null
+      refreshing = true
+      refresh_token(app)
+    }
+
+    if(refreshing) {
+      pendings.push(options)
+    } else {
+      do_request(app, options).then(res => {
+        resolve(res)
+      }).catch(err => {
+        reject(err)
+      })
+    }
+  })
+}
+export default request