微信小程序商城系列之带筛选功能的商品列表页(二)

wxml:

<view class="tabTit box">
  <view class="flex1{{!tab[index]?' active':''}}" wx:for="{{tabTxt}}" wx:key="type" data-index="{{index}}" bindtap="filterTab">
    <text>{{item}}</text>
    <image src="/img/arrow.png"></image>
  </view>
</view>
<!--筛选项-->
<view class="tabLayer" hidden="{{tab[0]}}">
    <text class="{{pinpai_id==0?'active':''}}" data-id="0" data-index="0" data-txt="品牌" bindtap="filter">不限</text>
    <text class="{{pinpai_id==item.id?'active':''}}" wx:for="{{pinpaiList}}" wx:key="pp" wx:for-item="item" data-id="{{item.id}}" data-index="0" data-txt="{{item.title}}" bindtap="filter">{{item.title}}</text>
</view>
<view class="tabLayer" hidden="{{tab[1]}}">
    <text class="{{jiage_id==0?'active':''}}" data-id="0" data-index="1" data-txt="价格" bindtap="filter">不限</text>
    <text class="{{jiage_id==1?'active':''}}" data-id="1" data-index="1" data-txt="58-88" bindtap="filter">58-88</text>
    <text class="{{jiage_id==2?'active':''}}" data-id="2" data-index="1" data-txt="88-108" bindtap="filter">88-108</text>
    <text class="{{jiage_id==3?'active':''}}" data-id="3" data-index="1" data-txt="108-188" bindtap="filter">108-188</text>
</view>
<view class="tabLayer" hidden="{{tab[2]}}">
    <text class="{{xiaoliang_id==0?'active':''}}" data-id="0" data-index="2" data-txt="销量" bindtap="filter">不限</text>
    <text class="{{xiaoliang_id==1?'active':''}}" data-id="1" data-index="2" data-txt="从高到低" bindtap="filter">从高到低</text>
    <text class="{{xiaoliang_id==2?'active':''}}" data-id="2" data-index="2" data-txt="从低到高" bindtap="filter">从低到高</text>
</view>

<view class='list'>
  <block wx:for='{{dataList}}' wx:key='list' wx:for-item="item">
  <view class="list_item">
      <navigator url='details?id={{item.goods_id}}'>
      <view class='img'>
        <image src="{{imghref}}{{item.goods_img}}"  mode="scaleToFill"/>
      </view>
      <view class='info'>
        <view class='title'>{{item.goods_title}}</view>
        <view class='price'>￥{{item.goods_price}}</view>
        <view class='num'>销量{{item.goods_xiaoliang}}</view>
      </view>
       </navigator>
      <view class='clear'></view>
  </view>
  </block>
</view>

wxss:

.clear{
  clear: both;
  overflow: hidden;
}

.tabTit{
  height:90rpx;
  line-height: 90rpx;
  border-bottom: solid 1px #eee;
  position:fixed;
  top:0;
  width: 750rpx;
  z-index: 1;
  background: #fff;
  font-size:15px;
  text-align: center;
}



.tabTit .active{
  color:#e64340;
  background: #fff;
}

.tabTit .active image{
  transform: rotate(180deg);
  background: none;
}

.tabTit image{
  width:26rpx;
  height:26rpx;
  vertical-align: middle;
  margin-left: 5px;

}

.tabLayer{
  box-shadow: 0 5px 5px rgba(0,0,0,.15);
  width:750rpx;
  overflow: hidden;
  position: fixed;
  top:90rpx;
  z-index: 1;
  background: #fff;
  padding-bottom: 40rpx;
  border-bottom: solid 1px #eee;
  text-align: center;
}
.tabLayer text{
  width:210rpx;
  height:60rpx;
  line-height:60rpx;
  float:left;
  border: solid 1px #eee;
  margin:20rpx 0 0 26rpx;
  font-size:15px;
}
.tabLayer .active{
  color:#e64340;
  border-color:#e64340;
  }

.flex1 {
    flex: 1;
    overflow: hidden;
    display: block;
}

/*弹性盒模型*/
.box {
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
}

navigator{
  display:inline;
}
.list{
  margin-top:50px;
}

.list .list_item{
  margin-top:10px;
  padding:10px;
  height:100px;
  border-bottom:1px solid #E8E8E8;
}
.list .list_item .img{
  float:left;
  width:40%;
  height:100%;
}
.list .list_item .img image{
   width:100%;
   height:100%;
}

.list .list_item .info{
  width:59%;
  float:right;
  height:100px;
  position:relative;
}
.list .list_item .info .title{
  color:#333;
  margin-left:10px;
  font-size: 15px;
}

.list .list_item .info .price{
  color:#FF2727;
  margin-left:10px;
  margin-top:10px;
  font-size:15px;
}

.list .list_item .info .num{
  position: absolute;
  left:0px;
  bottom:10px;
  color:#747474;
  margin-left:10px;
  font-size:15px;
}

js:

// index/list.js
Page({

  /**
   * 页面的初始数据
   */
  data: {
    tabTxt: ['品牌', '价格', '销量'],//分类
    tab: [true, true, true],
    pinpaiList: [{ 'id': '1', 'title': '品牌1' }, { 'id': '1', 'title': '品牌1' }],
    pinpai_id: 0,//品牌
    pinpai_txt: '',
    jiage_id: 0,//价格
    jiage_txt: '',
    xiaoliang_id: 0,//销量
    xiaoliang_txt: '',
    dataList:[
      {
        goods_id:1,
        goods_title:'商品标题1',
        goods_img:'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
        goods_xiaoliang:'0',
        goods_price:'60'
      },{
        goods_id:1,
        goods_title:'商品标题2',
        goods_img:'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
        goods_xiaoliang:'0',
        goods_price:'70'
      }, {
        goods_id: 1,
        goods_title: '商品标题3',
        goods_img: 'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
        goods_xiaoliang: '0',
        goods_price: '80'
      }, {
        goods_id: 1,
        goods_title: '商品标题4',
        goods_img: 'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
        goods_xiaoliang: '0',
        goods_price: '90'
      }, {
        goods_id: 1,
        goods_title: '商品标题5',
        goods_img: 'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
        goods_xiaoliang: '0',
        goods_price: '110'
      }
    ],
  },

  // 选项卡
  filterTab: function (e) {
    var data = [true, true, true], index = e.currentTarget.dataset.index;
    data[index] = !this.data.tab[index];
    this.setData({
      tab: data
    })
  },

  //筛选项点击操作
  filter: function (e) {
    var self = this, id = e.currentTarget.dataset.id, txt = e.currentTarget.dataset.txt, tabTxt = this.data.tabTxt;
    switch (e.currentTarget.dataset.index) {
      case '0':
        tabTxt[0] = txt;
        self.setData({
          tab: [true, true, true],
          tabTxt: tabTxt,
          pinpai_id: id,
          pinpai_txt: txt
        });
        break;
      case '1':
        tabTxt[1] = txt;
        self.setData({
          tab: [true, true, true],
          tabTxt: tabTxt,
          jiage_id: id,
          jiage_txt: txt
        });
        break;
      case '2':
        tabTxt[2] = txt;
        self.setData({
          tab: [true, true, true],
          tabTxt: tabTxt,
          xiaoliang_id: id,
          xiaoliang_txt: txt
        });
        break;
    }
    //数据筛选
    self.getDataList();
  },

  //加载数据
  getDataList:function(){
    //调用数据接口，获取数据

    
  }

})