微信小程序-06 tab选项卡滑动切换与列表Item（scroll 、 swiper）数据的获取等所用到的都有了

目录

 

示例图片

WXML

js

WXSS

---

示例图片

WXML

<view >
    <scroll-view scroll-x="true" class="tab-h" scroll-left="{{scrollLeft}}">
        <view class="tab-item {{currentTab==0?'active':''}}"  data-current="0" bindtap="swichNav">健康</view>
        <view class="tab-item {{currentTab==1?'active':''}}" data-current="1" bindtap="swichNav">情感</view>
        <view class="tab-item {{currentTab==2?'active':''}}" data-current="2" bindtap="swichNav">职场</view>
        <view class="tab-item {{currentTab==3?'active':''}}" data-current="3" bindtap="swichNav">育儿</view>
        <view class="tab-item {{currentTab==4?'active':''}}" data-current="4" bindtap="swichNav">纠纷</view>
        <view class="tab-item {{currentTab==5?'active':''}}" data-current="5" bindtap="swichNav">青葱</view>
        <view class="tab-item {{currentTab==6?'active':''}}" data-current="6" bindtap="swichNav">全部</view>
        <view class="tab-item {{currentTab==7?'active':''}}" data-current="7" bindtap="swichNav">其他</view>
    </scroll-view>
    <swiper class="tab-content" current="{{currentTab}}" duration="300" bindchange="switchTab"
     style="height:{{winHeight}}rpx">
        <swiper-item wx:for="{{[0,1,2,3,4,5,6,7]}}">
            <scroll-view scroll-y="true" class="scoll-h" >
                <block wx:for="{{expertList}}" wx:key="*this">
                    <view class="item-ans">
                        <view class="avatar">
                            <image class="img" src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1537520335665&di=533d913bd1587331b62b0c3f381adec5&imgtype=0&src=http%3A%2F%2Fpic31.nipic.com%2F20130731%2F7331048_094333540110_2.png"></image>
                        </view>
                        <view class="expertInfo">
                            <view class="name">{{expertList[index].name}}</view>
                            <view class="tag">{{expertList[index].tag}}</view>
                            <view class="answerHistory">{{expertList[index].answer}}个回答，{{expertList[index].listen}}人听过 </view>
                        </view>
                         <!--   data-index='{{index}}'用于js获取点击的第几项 index -->
                        <button bindtap='info' data-index='{{index}}' class="askBtn">信息</button>
                    </view>
                </block>
            </scroll-view>
        </swiper-item>
    </swiper>
</view>

js

//假数据有点多。写的很详细。很啰嗦

//e.detail.current现在是在哪一个选项卡里面                 

//that.data.expertList[e.currentTarget.dataset.index].name   数据的获取、获取点击了哪个“信息”按钮 输出所对应的name

var app = getApp();
Page({
  data: {
    winHeight: "", //窗口高度
    currentTab: 0, //预设当前项的值
    scrollLeft: 0, //tab标题的滚动条位置
    expertList: [{ //假数据
      img: "avatar.png",
      name: "健康1",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "分分2",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "挖方3",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "哥ere4",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "阿迪王5",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "啊打发6",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    { //假数据
      img: "avatar.png",
      name: "咖妃7",
      tag: "过去过不去都会过去",
      answer: 134,
      listen: 2234
    },
    ]
  },
  // 滚动切换标签样式
  switchTab: function(e) {
    console.log(e.detail)
//e.detail.current现在是在哪一个选项卡里面 
    switch (e.detail.current) {
      case 0:
          this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "健康1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 1:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "情感1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 2:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "职场",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃挖2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "把我3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 3:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "育儿1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 4:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "纠纷1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 5:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "青葱1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 6:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "全部1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 223
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 22
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 223
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
      case 7:
        this.setData({
          currentTab: e.detail.current,
          expertList: [{ //假数据
            img: "avatar.png",
            name: "其他1",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "分分2",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "挖方3",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "哥啊4",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "阿迪王5",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "啊打发6",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          { //假数据
            img: "avatar.png",
            name: "咖妃7",
            tag: "过去过不去都会过去",
            answer: 134,
            listen: 2234
          },
          ]
        }); break;
    }
    this.checkCor();
  },
  // 点击标题切换当前页时改变样式
  swichNav: function(e) {
    var cur = e.target.dataset.current;
    if (this.data.currentTaB == cur) {
      return false;
    } else {
      this.setData({
        currentTab: cur
      })
    }
  },
  //判断当前滚动超过一屏时，设置tab标题滚动条。
  checkCor: function() {
    if (this.data.currentTab > 4) {
      this.setData({
        scrollLeft: 300
      })
    } else {
      this.setData({
        scrollLeft: 0
      })
    }
  },
  onLoad: function() {
    var that = this;
    //  高度自适应
    wx.getSystemInfo({
      success: function(res) {
        var clientHeight = res.windowHeight,
          clientWidth = res.windowWidth,
          rpxR = 750 / clientWidth;
        var calc = clientHeight * rpxR - 100;
        console.log(calc)
        that.setData({
          winHeight: calc
        });
      }
    });
  },
  info(e){
    var that = this
    //数据的获取、获取点击了哪个“信息”按钮 输出所对应的name
    console.log(that.data.expertList[e.currentTarget.dataset.index].name)
  },
  footerTap: app.footerTap
})

WXSS

.tab-h {
  height: 80rpx;
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  line-height: 80rpx;
  background: #f7f7f7;
  font-size: 16px;
  white-space: nowrap;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
}

.tab-item {
  margin: 0 36rpx;
  display: inline-block;
}

.tab-item.active {
  color: #4675f9;
  position: relative;
}

.tab-item.active:after {
  content: "";
  display: block;
  height: 8rpx;
  width: 52rpx;
  background: #4675f9;
  position: absolute;
  bottom: 0;
  left: 5rpx;
  border-radius: 16rpx;
}

.item-ans {
  width: 100%;
  display: flex;
  flex-grow: row no-wrap;
  justify-content: space-between;
  padding: 30rpx;
  box-sizing: border-box;
  height: 180rpx;
  align-items: center;
  border-bottom: 1px solid #f2f2f2;
}

.avatar {
  width: 100rpx;
  height: 100rpx;
  position: relative;
  padding-right: 30rpx;
}

.avatar .img {
  width: 100%;
  height: 100%;
}

.avatar .doyen {
  width: 40rpx;
  height: 40rpx;
  position: absolute;
  bottom: -2px;
  right: 20rpx;
}

.expertInfo {
  font-size: 12px;
  flex-grow: 2;
  color: #b0b0b0;
  line-height: 1.5em;
}

.expertInfo .name {
  font-size: 16px;
  color: #000;
  margin-bottom: 6px;
}

.askBtn {
  width: 120rpx;
  height: 60rpx;
  line-height: 60rpx;
  text-align: center;
  font-size: 14px;
  border-radius: 60rpx;
  border: 1px solid #4675f9;
  color: #4675f9;
}

.tab-content {
  margin-top: 80rpx;
}

.scoll-h {
  height: 100%;
}
/* 
.swiper {
  height: 100%;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  padding-top: 1000rpx; 
}
swiper-item view.item-ans {
  height: 100%;
  overflow-y: scroll;
} */

博客借鉴

 https://blog.csdn.net/sophie_u/article/details/71745125