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21.3.1视图容器

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视图分为三种:view普通视图容器、scroll-view滚动视图容器、swiper滑块视图容器。
View容器的伸缩方向分为行和列。其相应的代码如下所示。

<view class="section">
  <view class="section__title">flex-direction: row</view>
  <view class="flex-wrp" style="flex-direction:row;">
    <view class="flex-item bc_green">1</view>
    <view class="flex-item bc_red">2</view>
    <view class="flex-item bc_blue">3</view>
  </view>
</view>
<view class="section">
  <view class="section__title">flex-direction: column</view>
  <view class="flex-wrp" style="height: 300px;flex-direction:column;">
    <view class="flex-item bc_green">1</view>
    <view class="flex-item bc_red">2</view>
    <view class="flex-item bc_blue">3</view>
  </view>
</view>

scroll-view可滚动视图区域可配置的属性如表21-9所示。

表21-9scroll-view可滚动视图区域属性说明
scroll-view可滚动视图区域的示例代码如下所示。

<view class="section">
  <view class="section__title">vertical scroll</view>
  <scroll-view scroll-y="true" style="height: 200px;" bindscrolltoupper="upper" bindscrolltolower="lower" bindscroll="scroll" scroll-into-view="{{toView}}" scroll-top="{{scrollTop}}">
    <view id="green" class="scroll-view-item bc_green"></view>
    <view id="red"  class="scroll-view-item bc_red"></view>
    <view id="yellow" class="scroll-view-item bc_yellow"></view>
    <view id="blue" class="scroll-view-item bc_blue"></view>
  </scroll-view>

  <view class="btn-area">
    <button size="mini" bindtap="tap">click me to scroll into view </button>
    <button size="mini" bindtap="tapMove">click me to scroll</button>
  </view>
</view>
<view class="section section_gap">
  <view class="section__title">horizontal scroll</view>
  <scroll-view class="scroll-view_H" scroll-x="true" style="width: 100%">
    <view id="green" class="scroll-view-item_H bc_green"></view>
    <view id="red"  class="scroll-view-item_H bc_red"></view>
    <view id="yellow" class="scroll-view-item_H bc_yellow"></view>
    <view id="blue" class="scroll-view-item_H bc_blue"></view>
  </scroll-view>
</view>

swiper滑块视图容器的属性如表21-10所示。

表21-10swiper滑块视图容器属性说明
swiper滑块视图容器示例代码如下所示。

<swiper indicator-dots="{{indicatorDots}}"
  autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
  <block wx:for="{{imgUrls}}">
    <swiper-item>
      <image src="{{item}}" class="slide-image" width="355" height="150"/>
    </swiper-item>
  </block>
</swiper>
<button bindtap="changeIndicatorDots"> indicator-dots </button>
<button bindtap="changeAutoplay"> autoplay </button>
<slider bindchange="intervalChange" show-value min="500" max="2000"/> interval
<slider bindchange="durationChange" show-value min="1000" max="10000"/> duration

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