增加了一些内容

.gitignore

@@ -9,6 +9,7 @@ $RECYCLE.BIN/
 .Spotlight-V100
 .TemporaryItems
 .Trashes
+
 lib_refer
 project.config.json
 

app.json

@@ -7,9 +7,9 @@
     "pages/websocket/websocket",
     "pages/game/game",
     "pages/shouquan/shouquan",
-    "pages/outside",
     "pages/outside/outside",
-    "pages/class/class"
+    "pages/classes/classes",
+    "pages/classroom/classroom"
   ],
   "window": {
     "backgroundTextStyle": "light",

app.wxss

@@ -1,6 +1,11 @@
 page, .lab {
   height: 100%;
 }
+.flex-wrap{
+  display: flex;
+  flex-direction: row;
+}
+
 .lab {
   display: flex;
   flex-direction: column;

lib/live-query-binding.js

@@ -0,0 +1,25 @@
+module.exports = (subscription, initialStats, onChange) => {
+  let stats = [...initialStats]
+  const remove = value => {
+    stats = stats.filter(target => target.id !== value.id)
+    return onChange(stats)
+  }
+  const upsert = value => {
+    let existed = false;
+    stats = stats.map(target => (target.id === value.id ? ((existed = true), value) : target))
+    if (!existed) stats = [value, ...stats]
+    return onChange(stats)
+  }
+  subscription.on('create', upsert)
+  subscription.on('update', upsert)
+  subscription.on('enter', upsert)
+  subscription.on('leave', remove)
+  subscription.on('delete', remove)
+  return () => {
+    subscription.off('create', upsert)
+    subscription.off('update', upsert)
+    subscription.off('enter', upsert)
+    subscription.off('leave', remove)
+    subscription.off('delete', remove)
+  }
+}

model/class.js

@@ -19,5 +19,31 @@ class Class extends AV.Object{
       this.remove(user.id);
     }
   }
-  
-}
+  static all() {
+    var query = new AV.Query("Class_");
+    return query.find();
+  }
+  enter() {
+    this.leave();
+    this._presence = new Presence({
+      user: AV.User.current(),
+      class: this
+    });
+    this._presence.save();
+  }
+  leave() {
+    if (this._presence != null) {
+      this._presence.destroy();
+    }
+  }
+  present_students() {
+    var query = new AV.Query("Presence");
+    //query.equalTo("class", this._class.id);
+    let students = query.find();
+    console.log(students);
+    return students;
+  }
+}
+
+AV.Object.register(Class, "Class_");
+module.exports = Class;

model/grade.js

@@ -34,6 +34,9 @@ class Grade extends AV.Object {
   set date(value){
     this.set("date", value)
   }
+  add_mark(value){
+    this.increment(value);
+  }
 }
 
 AV.Object.register(Grade, 'Grade');

model/presence.js

@@ -13,4 +13,7 @@ class Presence extends AV.Object{
   get class(){
     return this.get("class");
   }
-}
+}
+
+AV.Object.register(Presence, "Presence");
+module.exports = Presence;

model/user.js

@@ -0,0 +1,9 @@
+function login() {
+  return AV.Promise.resolve(AV.User.current()).then(user =>
+    user ? (user.isAuthenticated().then(authed => authed ? user : null)) : null
+  ).then(user => user ? user : AV.User.loginWithWeapp({
+    preferUnionId: true,
+  })).catch(error => console.error(error.message));
+}
+
+export{login};

pages/class/class.wxml

@@ -1,3 +0,0 @@
-<!--pages/class/class.wxml-->
-<text>pages/class/class.wxml
-界面待完成</text>

pages/class/class.wxss

@@ -1 +0,0 @@
-/* pages/class/class.wxss */

pages/classes/classes.js

@@ -0,0 +1,94 @@
+const { Class } = require("../../model/class");
+const { login } = require("../../model/user");
+const AV = require("../../lib/av-live-query-weapp-min.js");
+const { jsonify } = require('../../utils/leancloudutils');
+// pages/class/class.js
+
+const getDataForRender = class_ => ({
+  name: class_.get('name'),
+  objectId: class_.get('objectId')
+});
+
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  classes : [],
+  data: {
+    classes: [
+      ]
+  },
+  enter_class: function(event){
+    console.log(event);
+    var class_id = event.currentTarget.dataset.class_id;
+    var class_name = event.currentTarget.dataset.class_name;
+    wx.navigateTo({
+      url: "../classroom/classroom?class_id="+class_id+"&"+"class_name="+class_name,
+    })
+  },
+
+  /**
+   * 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 () {
+    var query = new AV.Query("Class_");
+    query.find().then((classes) => {
+      this.classes = classes
+      this.setData(jsonify({ classes }));
+    })
+  },
+
+  /**
+   * 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 () {
+    var query = new AV.Query("Class_");
+    query.find().then((classes) => {
+      this.classes = classes
+      this.setData(jsonify({classes}));
+    })
+  },
+
+  /**
+   * 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/classes/classes.json

@@ -0,0 +1,4 @@
+{
+  "usingComponents": {},
+  "enablePullDownRefresh": true
+}

pages/classes/classes.wxml

@@ -0,0 +1,7 @@
+<view class="class-list">
+<block wx:for="{{classes}}" wx:for-item="class" wx:key="objectId">
+  <view class="flex-wrap classroom" data-class_id="{{class.objectId}}" data-class_name="{{class.name}}" bindtap="enter_class">
+    <text>{{class.name}}</text>
+  </view>
+</block>
+</view>

pages/classes/classes.wxss

@@ -0,0 +1,28 @@
+.header {
+  height: 54px;
+  align-items: center;
+  background-color: #FFF;
+}
+
+.class-list {
+  padding: 4px 6px 48px;
+}
+
+.classroom {
+  font-size: 18px;
+  height: 30px;
+  padding: 10px 12px;
+  overflow: hidden;
+  align-items: center;
+  background-color: #fff;
+  margin: 1px 0;
+  border-radius: 3px;
+}
+
+.classroom text {
+  white-space: nowrap;
+  display: block;
+  width: 100%;
+  height: 50px;
+  line-height: 17px;
+}

pages/classroom/classroom.js

@@ -0,0 +1,73 @@
+// pages/classroom/classroom.js
+const AV = require("../../lib/av-live-query-weapp-min.js")
+
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  class: null,
+  data: {
+    class_name: "",
+    class_id: "",
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad: function (options) {
+    this.class = AV.Object.createWithoutData("Class_", options.class_id);
+    this.class.fetch().then((class_)=>{
+      this.setData(this.class.get("name"));
+    })
+  },
+
+  /**
+   * 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/classroom/classroom.json

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

pages/classroom/classroom.wxml

@@ -0,0 +1,42 @@
+<!--pages/classroom/classroom.wxml-->
+<text>pages/classroom/classroom.wxml</text>
+<view class="students">
+  <view class="grid-view">
+    <view class="grid-cell">
+      <icon class="iconfont icon-shouye"></icon>
+      <view>Home</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-xinfeng"></icon>
+      <view>Email</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-duihuaxinxi"></icon>
+      <view>Chat</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-dibiao"></icon>
+      <view>location</view>
+    </view>
+    <view class="grid-cell">
+      <icon type="search" size='30'></icon>
+      <view>search</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-dianhua"></icon>
+      <view>phone</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-shezhi"></icon>
+      <view>setting</view>
+    </view>
+    <view class="grid-cell">
+      <icon type="info" size='30' color='#797979'></icon>
+      <view>about</view>
+    </view>
+    <view class="grid-cell">
+      <icon class="iconfont icon-gengduotianchong"></icon>
+      <view>more</view>
+    </view>
+  </view>
+</view>

pages/classroom/classroom.wxss

@@ -0,0 +1,17 @@
+/* pages/classroom/classroom.wxss */
+.grid-view{
+  display: -webkit-flex;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  flex-wrap: wrap;
+  width: 100%;
+}
+.grid-cell{
+ flex: 0 0 auto;
+  width: 25%;
+  text-align: center;
+  color: #797979;
+  padding: 40rpx 0;
+  font-size: 30rpx;
+}

pages/index/index.js

@@ -8,12 +8,13 @@ Page({
             { id: 'session', title: '实验二：会话' },
             { id: 'websocket', title: '实验三：WebSocket' },
             { id: 'game', title: '实验四：剪刀石头布小游戏' },
-            { id: "class", title: "进入教室"}
+            { id: "classes", title: "进入教室"}
         ],
         done: lab.getFinishLabs()
     },
 
     onShow() {
+      console.log({ done: lab.getFinishLabs() });
         this.setData({ done: lab.getFinishLabs() });
     },
 

pages/outside.wxml

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

pages/outside.wxss

@@ -1 +0,0 @@
-/* pages/outside.wxss */

utils/leancloudutils.js

@@ -0,0 +1,20 @@
+const isPlainObject = target =>
+  target &&
+  target.toString() == '[object Object]' &&
+  Object.getPrototypeOf(target) == Object.prototype;
+const _jsonify = target => {
+  if (target && typeof target.toJSON === 'function') return target.toJSON();
+  if (Array.isArray(target)) return target.map(_jsonify);
+  return target;
+};
+
+exports.jsonify = target =>
+  isPlainObject(target)
+    ? Object.keys(target).reduce(
+      (result, key) => ({
+        ...result,
+        [key]: _jsonify(target[key])
+      }),
+      {}
+    )
+    : _jsonify(target);