<block wx:for="{{feed}}" wx:for-index="idx" wx:for-item="item" data-idx="{{idx}}">
   <view class="feed-item">
       <view class="feed-source">
           <a class="">
               <view class="avatar">
                   <image src="{{item.feed_source_img}}"></image>
               </view>
               <text>{{item.feed_source_name}}{{item.feed_source_txt}}</text>
           </a>
           <image class="item-more" mode="aspectFit" src="../../images/more.png"></image>
       </view>
       <view class="feed-content">
           <view class="question" qid="{{question_id}}" bindtap="bindQueTap">
               <a class="question-link">
                   <text>{{item.question}}</text>
               </a>
           </view>
           <view class="answer-body">
               <view bindtap="bindItemTap">
                   <text class="answer-txt" aid="{{answer_id}}">{{item.answer_ctnt}}</text>
               </view>
               <view class="answer-actions" bindtap="bindItemTap">
                   <view class="like dot">
                       <a>{{item.good_num}} 贊同 </a>
                   </view>
                   <view class="comments dot">
                       <a>{{item.comment_num}} 評(píng)論 </a>
                   </view>
                   <view class="follow-it">
                       <a>關(guān)注問(wèn)題</a>
                   </view>
               </view>
           </view>
       </view>
   </view>
</block>

<view class="top-tab flex-wrp flex-tab " >
  <view class="toptab flex-item {{currentNavtab==idx ? 'active' : ''}}" wx:for="{{navTab}}" wx:for-index="idx" wx:for-item="itemName" data-idx="{{idx}}" bindtap="switchTab">
    {{itemName}}
  </view>
</view>
<scroll-view scroll-y="true" class="container discovery withtab" bindscrolltoupper="upper" bindscrolltolower="lower"  scroll-into-view="{{toView}}" scroll-top="{{scrollTop}}">
  <view class="ctnt0" hidden="{{currentNavtab==0 ? '' : true}}">
  </view>
  <view class="ctnt1 placehold" hidden="{{currentNavtab==1 ? '' : true}}">
    <text>圓桌</text>
  </view>
  <view class="ctnt2 placehold" hidden="{{currentNavtab==2 ? '' : true}}">
    <text>熱門(mén)</text>
  </view>
  <view class="ctnt3 placehold" hidden="{{currentNavtab==3 ? '' : true}}">
    <text>收藏</text>
  </view>
</scroll-view>

//discovery.js
Page({
  data: {
    navTab: ["推薦", "圓桌", "熱門(mén)", "收藏"],
    currentNavtab: "0"
  },
  onLoad: function () {
    console.log('onLoad')
  },
  switchTab: function(e){
    this.setData({
      currentNavtab: e.currentTarget.dataset.idx
    });
  }
});

<swiper class="activity" indicator-dots="{{indicatorDots}}"
       autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
 <block wx:for="{{imgUrls}}">
   <swiper-item>
     <image src="{{item}}" class="slide-image" width="355" height="155"/>
   </swiper-item>
 </block>
</swiper>

imgUrls: [
 '../../images/24213.jpg',
 '../../images/24280.jpg',
 '../../images/1444983318907-_DSC1826.jpg'
],
indicatorDots: false,
autoplay: true,
interval: 5000,
duration: 1000,
feed: [],
feed_length: 0

<scroll-view scroll-y="true" class="container" bindscrolltoupper="upper" upper-threshold="10" lower-threshold="5" bindscrolltolower="lower"  scroll-into-view="{{toView}}" scroll-top="{{scrollTop}}">
    <block wx:for="{{feed}}" wx:for-index="idx" wx:for-item="item" data-idx="{{idx}}">
        <view class="feed-item">
            <view class="feed-source">
                <a class="">
                    <view class="avatar">
                        <image src="{{item.feed_source_img}}"></image>
                    </view>
                    <text>{{item.feed_source_name}}{{item.feed_source_txt}}</text>
                </a>
                <image class="item-more" mode="aspectFit" src="../../images/more.png"></image>
            </view>
            <view class="feed-content">
                <view class="question" qid="{{question_id}}" bindtap="bindQueTap">
                    <a class="question-link">
                        <text>{{item.question}}</text>
                    </a>
                </view>
                <view class="answer-body">
                    <view bindtap="bindItemTap">
                        <text class="answer-txt" aid="{{answer_id}}">{ {item.answer_ctnt}}</text>
                    </view>
                    <view class="answer-actions" bindtap="bindItemTap">
                        <view class="like dot">
                            <a>{{item.good_num}} 贊同 </a>
                        </view>
                        <view class="comments dot">
                            <a>{{item.comment_num}} 評(píng)論 </a>
                        </view>
                        <view class="follow-it">
                            <a>關(guān)注問(wèn)題</a>
                        </view>
                    </view>
                </view>
            </view>
        </view>
    </block>
</scroll-view>

upper: function () {
    wx.showNavigationBarLoading()
    this.refresh();
    console.log("upper");
    setTimeout(function(){wx.hideNavigationBarLoading();wx.stopPullDownRefresh();}, 2000);
  },
  lower: function (e) {
    wx.showNavigationBarLoading();
    var that = this;
    setTimeout(function(){wx.hideNavigationBarLoading();that.nextLoad();}, 1000);
    console.log("lower")
  },
  //scroll: function (e) {
  //  console.log("scroll")
  //},

  //網(wǎng)絡(luò)請(qǐng)求數(shù)據(jù), 實(shí)現(xiàn)刷新
  refresh0: function(){
    var index_api = '';
    util.getData(index_api)
        .then(function(data){
          //this.setData({
          //
          //});
          console.log(data);
        });
  },
  //使用本地 fake 數(shù)據(jù)實(shí)現(xiàn)刷新效果
  refresh: function(){
    var feed = util.getDiscovery();
    console.log("loaddata");
    var feed_data = feed.data;
    this.setData({
      feed:feed_data,
      feed_length: feed_data.length
    });
  },
  //使用本地 fake 數(shù)據(jù)實(shí)現(xiàn)繼續(xù)加載效果
  nextLoad: function(){
    var next = util.discoveryNext();
    console.log("continueload");
    var next_data = next.data;
    this.setData({
      feed: this.data.feed.concat(next_data),
      feed_length: this.data.feed_length + next_data.length
    });
  }