微信小程序 swiper + scroll-view = ？

最近用 swiper + scroll-view 做了一个好玩的（提升用户体验）看下图

很多 app 中都有具体应用场景 (微信小程序订单) (淘宝首页) (QQ 音乐)

我在小程序中的应用

show me the code

<view class="all">
  <view class="head-title" bindtap="clickHead">
    <view class="{{headOneTitle}}">A</view>
    <view class="{{headTwoTitle}}">B</view>
  </view>
  <swiper current="{{ currentNum }}" bindchange="swiperChanged">
    <swiper-item>
      <scroll-view scroll-y="true">
        <view>A</view>
        <view>A</view>
      </scroll-view>
    </swiper-item>

    <swiper-item>
      <scroll-view scroll-y="true">
        <view>B</view>
        <view>B</view>
      </scroll-view>
    </swiper-item>
  </swiper>
</view>

.all {
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.bigTitle {
  color: #fff;
  background-color: #07c160;
}

.head-title {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
  height: 100rpx;
}

.head-title view {
  height: 100rpx;
  line-height: 100rpx;
  padding: 0 50rpx;
}

swiper {
  /* background-color: yellow; */
  width: 100%;
  flex: 1;
}

scroll-view {
  background-color: red;
  height: 100%;
  width: 100%;
}

Page({
  data: {
    headOneTitle: "bigTitle",
    headTwoTitle: "",
    currentNum: 0,
  },

  // 设置　head title style
  setHeadTitle: function (a) {
    console.log(a);

    if (a) {
      this.setData({
        headOneTitle: "",
        headTwoTitle: "bigTitle",
      });
    } else {
      this.setData({
        headOneTitle: "bigTitle",
        headTwoTitle: "",
      });
    }
  },

  swiperChanged: function (e) {
    let a = e.detail.current;
    this.setHeadTitle(a);
  },

  clickHead: function () {
    if (!this.data.headOneTitle) {
      this.setData({
        currentNum: 0,
      });
    } else {
      this.setData({
        currentNum: 1,
      });
    }
  },
});

用户体验上

我的个人网站 --> 点击访问

END

写完这个博客，发现 csdn 上早有分享

2021-02-21 改了一个三个的（html css js 我就不分开了）

<view class="all">

    <view class="head" bindtap="onClickHead">
        <block wx:for="{{ list }}" wx:key="_id">
            <view class="{{ item.active ? 'green' : '' }}" data-index="{{ item.id }}">{{ item.title }}</view>
        </block>
    </view>

    <swiper current="{{ currentNum }}" bindchange="swiperChanged">
        <swiper-item>
            <scroll-view scroll-y="true">
                <view>A</view>
                <view>A</view>

            </scroll-view>
        </swiper-item>

        <swiper-item>
            <scroll-view scroll-y="true">
                <view>B</view>
                <view>B</view>

            </scroll-view>
        </swiper-item>

        <swiper-item>
            <scroll-view scroll-y="true">
                <view>C</view>
                <view>C</view>

            </scroll-view>
        </swiper-item>

        <!-- <swiper-item>
            <scroll-view scroll-y="true">
                <view>D</view>
                <view>D</view>

            </scroll-view>
        </swiper-item> -->

    </swiper>
</view>










.all {
    height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.head {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    height: 100rpx;
}

.head view {
    height: 100rpx;
    line-height: 100rpx;
    flex: 1;
}

.green {
    background-color: #07c160 !important;
}

swiper {
    /* background-color: yellow; */
    width: 100%;
    flex: 1;
}

scroll-view {
    background-color: red;
    height: 100%;
    width: 100%;
}










Page({
    data: {
        currentNum: 0,
        list: [{
            id: 0,
            title: 'A',
            active: true
        },
        {
            id: 1,
            title: 'B',
            active: false
        },
        {
            id: 2,
            title: 'C',
            active: false
        },
            // {
            //  id: 3,
            //  title: 'D',
            //  active: false
            // },
        ]
    },

        // reSet head active style
        reSetHeadActive: function () {
            for (let i = 0; i < this.data.list.length; i ++) {
                // console.log(this.data.list[i])
                if ( this.data.list[i].active === true ) {
                    let temp = "list[" + i + "].active"
                    this.setData({
                        [temp]: false
                    })
                }
            }
        },

        // set head active style
        setHeadActive: function (a) {
            console.log('change to', a)
            this.reSetHeadActive()
            let temp = "list[" + a + "].active"
            this.setData({
                [temp]: true
            })
        },

        swiperChanged: function (e) {
            let a = e.detail.current;
            this.setHeadActive(a);
        },

    onClickHead: function (e) {
        console.log('tap num', e.target.dataset.index)
        this.setData({
            currentNum: e.target.dataset.index
        })
    }
})

上面的 3 个很容易变成 4 个 (也就是把上面 wxml js 中的注释打开。顶多就 5 个吧)

• js list 数组中再加 添加一个对象 （类似注释）
• wxml 再加 swiper-item （类似注释）

end