init

app.js

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+//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
+  }
+})

app.json

@@ -0,0 +1,34 @@
+{
+  "pages":[
+    "pages/component/index/index",
+    "pages/API/index/index"
+  ],
+  "window":{
+    "backgroundTextStyle":"light",
+    "navigationBarBackgroundColor": "#fff",
+    "navigationBarTitleText": "Weixin",
+    "navigationBarTextStyle":"black"
+  },
+  "style": "v2",
+  "sitemapLocation": "sitemap.json",
+  "tabBar": {
+    "color":  "#7A7E83",
+    "selectedColor": "#3cc51f",
+    "borderStyle":  "black",
+    "backgroundColor":  "#F7F7F7",
+    "list": [
+      {
+        "pagePath": "pages/component/index/index",
+        "iconPath": "image/icon_component.png",
+        "selectedIconPath": "image/icon_component_HL.png",
+        "text": "组件"
+      },
+      {
+        "pagePath": "pages/API/index/index",
+        "iconPath": "image/icon_API.png",
+        "selectedIconPath": "image/icon_API_HL.png",
+        "text": "接口"
+      }
+    ]
+  }
+}

app.wxss

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

pages/API/index/index.js

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+//index.js
+//获取应用实例
+const app = getApp()
+
+Page({
+  data: {
+    motto: 'Hello World',
+    userInfo: {},
+    hasUserInfo: false,
+    canIUse: wx.canIUse('button.open-type.getUserInfo')
+  },
+  //事件处理函数
+  bindViewTap: function() {
+    wx.navigateTo({
+      url: '../logs/logs'
+    })
+  },
+  onLoad: function () {
+    if (app.globalData.userInfo) {
+      this.setData({
+        userInfo: app.globalData.userInfo,
+        hasUserInfo: true
+      })
+    } else if (this.data.canIUse){
+      // 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
+      app.userInfoReadyCallback = res => {
+        this.setData({
+          userInfo: res.userInfo,
+          hasUserInfo: true
+        })
+      }
+    } else {
+      // 在没有 open-type=getUserInfo 版本的兼容处理
+      wx.getUserInfo({
+        success: res => {
+          app.globalData.userInfo = res.userInfo
+          this.setData({
+            userInfo: res.userInfo,
+            hasUserInfo: true
+          })
+        }
+      })
+    }
+  },
+  getUserInfo: function(e) {
+    console.log(e)
+    app.globalData.userInfo = e.detail.userInfo
+    this.setData({
+      userInfo: e.detail.userInfo,
+      hasUserInfo: true
+    })
+  }
+})

pages/API/index/index.json

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+{
+  "usingComponents": {}
+}

pages/API/index/index.wxml

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+<!--index.wxml-->
+<view class="container">
+  <view class="userinfo">
+    <button wx:if="{{!hasUserInfo && canIUse}}" open-type="getUserInfo" bindgetuserinfo="getUserInfo"> 获取头像昵称 </button>
+    <block wx:else>
+      <image bindtap="bindViewTap" class="userinfo-avatar" src="{{userInfo.avatarUrl}}" mode="cover"></image>
+      <text class="userinfo-nickname">{{userInfo.nickName}}</text>
+    </block>
+  </view>
+  <view class="usermotto">
+    <text class="user-motto">{{motto}}</text>
+  </view>
+</view>

pages/API/index/index.wxss

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+/**index.wxss**/
+.userinfo {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.userinfo-avatar {
+  width: 128rpx;
+  height: 128rpx;
+  margin: 20rpx;
+  border-radius: 50%;
+}
+
+.userinfo-nickname {
+  color: #aaa;
+}
+
+.usermotto {
+  margin-top: 200px;
+}

pages/component/index/index.js

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+//index.js
+//获取应用实例
+const app = getApp()
+
+Page({
+  data: {
+    motto: 'Hello World',
+    userInfo: {},
+    hasUserInfo: false,
+    canIUse: wx.canIUse('button.open-type.getUserInfo')
+  },
+  //事件处理函数
+  bindViewTap: function() {
+    wx.navigateTo({
+      url: '../logs/logs'
+    })
+  },
+  onLoad: function () {
+    if (app.globalData.userInfo) {
+      this.setData({
+        userInfo: app.globalData.userInfo,
+        hasUserInfo: true
+      })
+    } else if (this.data.canIUse){
+      // 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
+      app.userInfoReadyCallback = res => {
+        this.setData({
+          userInfo: res.userInfo,
+          hasUserInfo: true
+        })
+      }
+    } else {
+      // 在没有 open-type=getUserInfo 版本的兼容处理
+      wx.getUserInfo({
+        success: res => {
+          app.globalData.userInfo = res.userInfo
+          this.setData({
+            userInfo: res.userInfo,
+            hasUserInfo: true
+          })
+        }
+      })
+    }
+  },
+  getUserInfo: function(e) {
+    console.log(e)
+    app.globalData.userInfo = e.detail.userInfo
+    this.setData({
+      userInfo: e.detail.userInfo,
+      hasUserInfo: true
+    })
+  }
+})

pages/component/index/index.json

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+{
+  "usingComponents": {}
+}

pages/component/index/index.wxml

@@ -0,0 +1,13 @@
+<!--index.wxml-->
+<view class="container">
+  <view class="userinfo">
+    <button wx:if="{{!hasUserInfo && canIUse}}" open-type="getUserInfo" bindgetuserinfo="getUserInfo"> 获取头像昵称 </button>
+    <block wx:else>
+      <image bindtap="bindViewTap" class="userinfo-avatar" src="{{userInfo.avatarUrl}}" mode="cover"></image>
+      <text class="userinfo-nickname">{{userInfo.nickName}}</text>
+    </block>
+  </view>
+  <view class="usermotto">
+    <text class="user-motto">{{motto}}</text>
+  </view>
+</view>

pages/component/index/index.wxss

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+/**index.wxss**/
+.userinfo {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.userinfo-avatar {
+  width: 128rpx;
+  height: 128rpx;
+  margin: 20rpx;
+  border-radius: 50%;
+}
+
+.userinfo-nickname {
+  color: #aaa;
+}
+
+.usermotto {
+  margin-top: 200px;
+}

project.config.json

@@ -0,0 +1,72 @@
+{
+  "description": "项目配置文件",
+  "packOptions": {
+    "ignore": []
+  },
+  "setting": {
+    "urlCheck": true,
+    "es6": true,
+    "enhance": false,
+    "postcss": true,
+    "preloadBackgroundData": false,
+    "minified": true,
+    "newFeature": false,
+    "coverView": true,
+    "nodeModules": false,
+    "autoAudits": false,
+    "showShadowRootInWxmlPanel": true,
+    "scopeDataCheck": false,
+    "uglifyFileName": false,
+    "checkInvalidKey": true,
+    "checkSiteMap": true,
+    "uploadWithSourceMap": true,
+    "compileHotReLoad": false,
+    "useMultiFrameRuntime": false,
+    "useApiHook": true,
+    "babelSetting": {
+      "ignore": [],
+      "disablePlugins": [],
+      "outputPath": ""
+    },
+    "enableEngineNative": false,
+    "useIsolateContext": true,
+    "useCompilerModule": true,
+    "userConfirmedUseCompilerModuleSwitch": false,
+    "userConfirmedBundleSwitch": false,
+    "packNpmManually": false,
+    "packNpmRelationList": [],
+    "minifyWXSS": true,
+    "bundle": false
+  },
+  "compileType": "miniprogram",
+  "libVersion": "2.14.1",
+  "appid": "wx60509bbad6b495c2",
+  "projectname": "wx-api-v2",
+  "debugOptions": {
+    "hidedInDevtools": []
+  },
+  "scripts": {},
+  "isGameTourist": false,
+  "simulatorType": "wechat",
+  "simulatorPluginLibVersion": {},
+  "condition": {
+    "search": {
+      "list": []
+    },
+    "conversation": {
+      "list": []
+    },
+    "game": {
+      "list": []
+    },
+    "plugin": {
+      "list": []
+    },
+    "gamePlugin": {
+      "list": []
+    },
+    "miniprogram": {
+      "list": []
+    }
+  }
+}

sitemap.json

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+{
+  "desc": "关于本文件的更多信息，请参考文档 https://developers.weixin.qq.com/miniprogram/dev/framework/sitemap.html",
+  "rules": [{
+  "action": "allow",
+  "page": "*"
+  }]
+}

utils/util.js

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+const formatTime = date => {
+  const year = date.getFullYear()
+  const month = date.getMonth() + 1
+  const day = date.getDate()
+  const hour = date.getHours()
+  const minute = date.getMinutes()
+  const second = date.getSeconds()
+
+  return [year, month, day].map(formatNumber).join('/') + ' ' + [hour, minute, second].map(formatNumber).join(':')
+}
+
+const formatNumber = n => {
+  n = n.toString()
+  return n[1] ? n : '0' + n
+}
+
+module.exports = {
+  formatTime: formatTime
+}