nyx weapp: 功能更新

1. 添加eventbus, 目的是实现多页面之间的数据同步
具体来说, 就是activity-info.wxml页面like数据更新之后, 会直接同步到my-collects.wxml和activity.wxml页面

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

-// pages/activity/activity.js
+// pages/activity/activity.js
 // pages/activity/activity.js
 // pages/activity/activity.js
 const app = getApp()
 const app = getApp()
 var config = wx.getStorageSync("config");
 var config = wx.getStorageSync("config");
-var util = require('./../../utils/util.js')
+var util  = require('./../../utils/util.js')
+var event = require('./../../utils/event.js')
 
 
 Page({
 Page({
 
 
@@ -156,6 +157,25 @@ Page({
       _this.getActivities(0, 1, 4, strCity, strCategory, strSearch);
       _this.getActivities(0, 1, 4, strCity, strCategory, strSearch);
 
 
     }
     }
+
+    event.on('DataChanged', this, function(data) {
+      var activity_id = data['activity_id']
+      var num_like    = data['num_like']
+      var activities  = _this.__data__.activities;
+
+      for(var i=0; i< activities.length; i++)
+      {
+        if(activity_id == activities[i]['activity_id'])
+        {
+          activities[i]['num_like'] = num_like
+        }      
+      }
+
+      _this.setData({
+        activities: activities,
+      })
+    })
+
   },
   },
 
 
   /**
   /**
@@ -196,6 +216,8 @@ Page({
    */
    */
   onUnload: function () {
   onUnload: function () {
 
 
+    event.remove('DataChanged', 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
 // pages/activity/activity.js
 // pages/activity/activity.js
 const app = getApp()
 const app = getApp()
 var config = wx.getStorageSync("config");
 var config = wx.getStorageSync("config");
+var event = require('./../../../utils/event.js')
 
 
 Page({
 Page({
 
 
@@ -97,13 +98,23 @@ Page({
     if(likeDictSub.hasOwnProperty('index_id'))
     if(likeDictSub.hasOwnProperty('index_id'))
     {
     {
       var index = likeDictSub['index_id']
       var index = likeDictSub['index_id']
+      var activity_id = collects[index]['activity_id']
+      var num_like = likeDictSub['num_like']
       collects[index]['num_like'] = likeDictSub['num_like']
       collects[index]['num_like'] = likeDictSub['num_like']
       //在这个页面只能直接取消; 故直接从collects里去除该记录
       //在这个页面只能直接取消; 故直接从collects里去除该记录
       collects.splice(index, 1)
       collects.splice(index, 1)
+
+      var data = {
+        'activity_id': activity_id,
+        'num_like' : num_like
+      }
+      event.emit('DataChanged', data);
+
       _this.setData({
       _this.setData({
         collects: collects,
         collects: collects,
         likeDictSub: {},  // 处理完之后, 重置为{}
         likeDictSub: {},  // 处理完之后, 重置为{}
       })
       })
+
     }
     }
 
 
   },
   },

增值产品-小程序及app/nyx-master/utils/event.js

+var events = {};
+var events = {};
+
+function on(name, self, callback) {
+    var tuple = [self, callback];
+    var callbacks = events[name];
+    if (Array.isArray(callbacks)) {
+        callbacks.push(tuple);
+    }
+    else {
+        events[name] = [tuple];
+    }
+}
+
+function remove(name, self) {
+    var callbacks = events[name];
+    if (Array.isArray(callbacks)) {
+        events[name] = callbacks.filter((tuple) => {
+            return tuple[0] != self;
+        })
+    }
+}
+
+function emit(name, data) {
+    var callbacks = events[name];
+    if (Array.isArray(callbacks)) {
+        callbacks.map((tuple) => {
+            var self = tuple[0];
+            var callback = tuple[1];
+            callback.call(self, data);
+        })
+    }
+}
+
+module.exports = {
+    on,
+    remove,
+    emit,
+  }
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