nyx weapp: 功能优化

1. 将activity-info like更新的消息统一为事件传输方式(eventBus)
分发给首页(activity)和收藏页(my-collects)

增值产品-小程序及app/nyx-master/pages/activity/activity-info/activity-info.js

-// pages/activity/activity-info/activity-info.js
+// pages/activity/activity-info/activity-info.js
 // pages/activity/activity-info/activity-info.js
 var config = wx.getStorageSync("config");
 var app = getApp();
+var event = require('./../../../utils/event.js')
 
 Page({
 
@@ -28,7 +29,6 @@ Page({
     likeDictUpdate: {}, // 判断当前页面是否存在点赞操作
     likeStatus: 0, // 判断like图标的状态
     likeUrl: "../../../icon/activity/like.png", // like图标的url
-    likeDictSub: {},
   
   },
 
@@ -147,16 +147,15 @@ Page({
     // 如果存在update操作, 则更新
     if (likeDictUpdate.hasOwnProperty(activityId) && likeDictUpdate[activityId] != 0 ) {
 
+      // step1: 更新数据库
       _this.submitLike(userId, activityId, likeDictUpdate[activityId])
 
-      var pages = getCurrentPages();
-      var currPage = pages[pages.length - 1];   //当前页面
-      var prevPage = pages[pages.length - 2];  //上一个页面
-  
-      //直接调用上一个页面的setData()方法，把数据存到上一个页面中去
-      prevPage.setData({
-        likeDictSub: { 'activity_id': activityId, 'num_like': numLike}
-      })
+      // step2: 通过eventBus影响订阅页(首页或者收藏页)的数据
+      var data = {
+        'activity_id': activityId,
+        'num_like' : numLike
+      }
+      event.emit('LikeChanged', data);
 
     }
   

增值产品-小程序及app/nyx-master/pages/activity/activity.js

-// pages/activity/activity.js
+// pages/activity/activity.js
@@ -47,9 +47,6 @@ Page({
     strSearch : "", //搜索的字串
     inputVal : "", //输入字符串，主要用于页面显示
 
-    //点赞模块-来自子页面
-    likeDictSub: {},
-
     //二维码信息
     qRCodeMsg: "",
 
@@ -180,8 +177,8 @@ Page({
 
     }
 
-    // event 订阅, 主要接受my-collect.js里 emit 发送的消息
-    event.on('DataChanged', this, function(data) {
+    // event 订阅, 主要接受activity-info.js里 emit 发送的消息
+    event.on('LikeChanged', this, function(data) {
       var activity_id = data['activity_id']
       var num_like    = data['num_like']
       var activities  = _this.__data__.activities;
@@ -220,24 +217,6 @@ Page({
       county: defaultCounty
     })
 
-    var likeDictSub = _this.__data__.likeDictSub;
-    var activities  = _this.__data__.activities;
-    if(likeDictSub.hasOwnProperty('activity_id'))
-    {
-      var activity_id = likeDictSub['activity_id']      
-      for(var i=0; i< activities.length; i++)
-      {
-        if(activity_id == activities[i]['activity_id'])
-        {
-          activities[i]['num_like'] = likeDictSub['num_like']
-        }
-      }
-      _this.setData({
-        activities: activities,
-        likeDictSub: {},  // 处理完之后, 重置为{}
-      })
-    }
-
   },
 
   /**
@@ -252,7 +231,7 @@ Page({
    */
   onUnload: function () {
 
-    event.remove('DataChanged', this);
+    event.remove('LikeChanged', this);
 
   },
 

增值产品-小程序及app/nyx-master/pages/my/my-collects/my-collects.js

-// pages/activity/activity.js
+// pages/activity/activity.js
@@ -29,8 +29,6 @@ Page({
     noteTop: 0,
     noteHeight: 0,
 
-    //点赞模块-来自子页面
-    likeDictSub: {},
 
   },
 
@@ -78,54 +76,44 @@ Page({
     //初始载入5个收藏活动
     if(_this.__data__.collects.length == 0)
     {
-     
+     //消费collects
       _this.getCollects(0, 1, 5);
 
-    }
-  },
-
-  /**
-   * 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 _this = this;
+    // event 订阅, 主要接受activity-info.js里 emit 发送的消息
+    event.on('LikeChanged', this, function(data) {
+      var activity_id = data['activity_id']
+      var collects  = _this.__data__.collects;
 
-    var likeDictSub = _this.__data__.likeDictSub;
-    var collects  = _this.__data__.collects;
-    if(likeDictSub.hasOwnProperty('activity_id'))
-    {
       // step1: 在这个页面只能直接取消; 故直接从collects里去除该记录
-      var activity_id = likeDictSub['activity_id']
-      var num_like    = likeDictSub['num_like']
       for(var index=0; index< collects.length; index++)
       {
         if(activity_id == collects[index]['activity_id'])
         {
           collects.splice(index, 1)
         }
-      }      
-
-      // step2: 通过eventBus影响首页(activity)的数据
-      var data = {
-        'activity_id': activity_id,
-        'num_like' : num_like
-      }
-      event.emit('DataChanged', data);
+      } 
 
       _this.setData({
         collects: collects,
-        likeDictSub: {},  // 处理完之后, 重置为{}
       })
+    })    
 
-    }
+  },
 
+  /**
+   * 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 () {
+ 
   },
 
   /**
@@ -140,6 +128,8 @@ Page({
    */
   onUnload: function () {
 
+    event.remove('LikeChanged', this);
+    
   },
 
   /**